.main-wrapper {
  background-attachment: fixed !important;
  background-repeat: no-repeat !important;
  background-size: cover !important;
  background-position: center !important;
  overflow: hidden !important;
  width: 100%;
  height: 400px;
}
.main-wrapper-1 {
  background-image: url(../img/banner-1.jpg);
}
.main-wrapper-2 {
  background-image: url(../img/banner-2.jpg);
}
.main-wrapper-3 {
  background-image: url(../img/banner-3.jpg);
}
.main-wrapper-4 {
  background-image: url(../img/banner-4.jpg);
}
.main-wrapper-5 {
  background-image: url(../img/banner-5.jpg);
}
.advert {
  width: 100%;
  height: 400px;
  background-color: rgba(0, 0, 0, 0.2);
}
.advert h1 {
  color: #fff;
  position: relative;
  top: 200px;
  text-align: center;
  font-size: 32px;
}
.advert h2 {
  color: #fff;
  position: relative;
  top: 200px;
  text-align: center;
  font-size: 28px;
}
section {
  background-image: url(../img/bk.png);
  background-repeat: repeat-y;
  background-size: cover;
  width: 100%;
  height: 100%;
  border-top: 2px #c7161e solid;
}
.box {
  width: 80%;
  margin: 0 auto;
  padding-bottom: 40px;
}
.box-left {
  width: 25%;
  padding-bottom: 40px;
  background-color: #c7161e;
  float: left;
  display: inline-block;
  border-radius: 0 0 50px;
  position: relative;
  top: -50px;
}
.box-left .title {
  position: relative;
  top: -20px;
  width: 100%;
  height: 50px;
  background-color: #930000;
}
.box-left h3 {
  position: relative;
  color: #fff;
  text-align: center;
  font-size: 20px;
  top: 14px;
}
.box-left ul {
  width: 100%;
  margin: 0;
  padding-left: 70px;
}
.box-left li {
  color: #fff;
  font-size: 16px;
  line-height: 40px;
}
.box-left li a {
  color: #fff;
  text-decoration: none;
}
.box-left ul li ul {
  padding-left: 40px;
  list-style: disc;
}
.box-right {
  float: right;
  display: inline-block;
  width: 70%;
  margin-top: 40px;
}
.box-right .box-right-top {
  padding-bottom: 40px;
}
.box-right .box-right-top ul {
  list-style: none;
  border-bottom: 2px solid #c7161e;
  padding-left: 0;
  padding-bottom: 10px;
}
.box-right .box-right-top ul li {
  display: inline-block;
  color: #555;
  font-size: 16px;
  text-align: left;
}
.box-right .box-right-mid {
  width: 100%;
  padding: 40px;
  border-radius: 10px;
  background-color: #fff;
  -webkit-box-shadow: 0 0 10px rgba(204, 204, 204, 0.5);
  -moz-box-shadow: 0 0 10px rgba(204, 204, 204, 0.5);
  box-shadow: 0 0 10px rgba(204, 204, 204, 0.5);
  margin-bottom: 10px;
}
.box-right .box-right-mid .box-text {
  float: right;
  display: inline-block;
  width: 30%;
}
.box-right .box-right-mid h4 {
  color: #f90;
}
.box-right .box-right-mid ul {
  margin: 0 10px;
  padding: 0 10px;
}
.box-right .box-weixin p {
  text-align: center;
}
.box-right .box-weixin .wixin-abs {
  display: inline-block;
  float: left;
  width: 300px;
}
.box-right .box-weixin .wixin-abs span {
  display: block;
  width: 160px;
  height: 160px;
  background-image: url(../img/weixin-abs.png);
  background-repeat: no-repeat;
  background-size: cover;
  margin: 0 auto;
}
.box-right .box-weixin .wixin-fa {
  display: inline-block;
  float: left;
  width: 300px;
}
.box-right .box-weixin .wixin-fa span {
  display: block;
  width: 160px;
  height: 160px;
  background-image: url(../img/weixin-fa.png);
  background-repeat: no-repeat;
  background-size: cover;
  margin: 0 auto;
}
.box-right .box-weixin .wixin-info {
  position: relative;
  display: inline-block;
  float: left;
  width: 300px;
  padding-top: 40px;
}
.box-right .box-weixin .wixin-info a {
  text-decoration: none;
  display: block;
  text-align: center;
  line-height: 30px;
  width: 200px;
  height: 36px;
  margin: 20px auto;
  border-radius: 10px;
  -webkit-transition: all 0.2s ease-in;
  transition: all 0.2s ease-in;
  border: 1px #fff solid;
  border-color: rgba(255, 153, 0, 1);
  color: rgba(255, 153, 0, 1);
}
.box-right .box-weixin .wixin-info a:hover {
  -webkit-box-shadow: 0 0 20px rgba(255, 153, 0, 0.3);
  -moz-box-shadow: 0 0 20px rgba(255, 153, 0, 0.3);
  box-shadow: 0 0 20px rgba(255, 153, 0, 0.3);
}
.box-right .box-weixin .wixin-info p {
  text-align: left;
  padding-left: 40px;
}
.box-right .box-right-mid .box-contact {
  display: inline-block;
  float: left;
  padding-right: 40px;
}

.box-right .box-right-mid .box-contact div {
  display: flex;
}

.box-right .box-right-mid .box-contact span:nth-child(1) {
  display: block;
  width: 160px;
  height: 160px;
  background-image: url(../img/weixin-safs.png);
  background-repeat: no-repeat;
  background-size: cover;
  margin: 0 auto;
}

.box-right .box-right-mid .box-contact span:nth-child(2) {
  display: block;
  width: 160px;
  height: 160px;
  background-image: url(../img/weixin-institute.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  margin: 0 auto;
}

.flex-row {
  display: flex;
  justify-content: space-around;
  gap: 20px;
}

.flex-column {
  display: flex;
  flex-direction: column;
  align-items: center;
}