body {
  font-size: 16px;
}
section h3 {
  text-align: center;
}
section:nth-child(even) {
  background: #f0f2fc;
}
header h2 {
  font-size: 40px;
  margin: 20px 0;
  font-weight: bolder;
  color: #FFF !important;
  position: relative;
  z-index: 1;
}
header .container .banner-text {
  width: 45%;
  color: #FFF !important;
  font-size: 14px;
  letter-spacing: 0;
  text-align: justify;
  line-height: 26px;
  margin-left: 0;
  position: relative;
  z-index: 1;
}
header {
  position: relative;
  height: 400px;
  background-image: linear-gradient(138deg, #4100ff 0%, #00b4ff 20%, #5d00ff 100%);
  box-sizing: border-box;
  padding-top: 100px;
}
header .container {
  position: relative;
  z-index: 100;
}
header::after,
header::before {
  content: '';
  position: absolute;
  z-index: 0;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-size: auto 100%;
  background-repeat: no-repeat;
}
header::after {
  background-image: url(../../images/banner-r.png);
  background-position: right bottom;
}
header::before {
  background-image: url(../../images/banner-l.png);
  background-position: left top;
}
header .banner-btn {
  display: inline-block;
  padding: 10px 15px;
  background-color: #00b4ff;
  color: #FFF;
}
.framework {
  padding: 0 !important;
}
.framework .container {
  padding-top: 1px;
}
.framework h3 {
  margin: 50px 0;
}
.framework .section-container {
  padding-bottom: 50px;
}
.zyicon-maptag {
  width: 30px;
  height: 30px;
  display: inline-block;
  background: url(../../images/cur-list.svg) no-repeat center center;
}
#top-nav.sub-nav {
  padding: 10px;
  box-shadow: 0 5px 5px 0 rgba(0, 0, 0, 0.04);
  background-color: #fff;
}
#top-nav.sub-nav .nav-bar {
  background: #ffffff0a;
  margin-bottom: 0;
}
#top-nav.sub-nav .nav-bar .nav-item {
  display: inline-block;
  padding: 0 25px;
  padding: 0 !important;
  text-align: center;
}
#top-nav.sub-nav .nav-bar .nav-item a {
  display: inline-block;
  padding: 5px 15px;
  border-radius: 17.5px;
  cursor: pointer;
}
#top-nav.sub-nav .nav-bar .nav-item a:link {
  color: #000;
}
#top-nav.sub-nav .nav-bar .nav-item a:visited {
  color: #000;
}
#top-nav.sub-nav .nav-bar .nav-item a:hover,
#top-nav.sub-nav .nav-bar .nav-item.active a {
  background: #EFF5FF;
  color: #5173F6;
  font-weight: bolder;
}
#top-nav.sub-nav .nav-bar .nav-item .avtive {
  background-color: #ccc;
}
#advantages .advantage-container {
  text-align: center;
}
#advantages .advantage-container .advantage-img-con {
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  text-align: center;
  justify-content: center;
  margin: 0 auto;
}
#advantages .advantage-container .u-title {
  font-weight: bolder;
  font-size: 18px;
  color: #333333;
  letter-spacing: 0.45px;
  text-align: center;
  margin: 15px 0;
}
#advantages .advantage-container .u-desc {
  font-size: 14px;
  color: #666;
  font-weight: 300;
}
#construction .swiper-navigation {
  margin-bottom: 40px;
}
#construction .swiper-wrapper {
  width: 100%;
  height: 420px;
}
#construction .swiper-navigation {
  display: flex;
  flex-direction: row;
}
#construction .swiper-navigation-item {
  display: flex;
  flex: 1;
  flex-direction: column;
  text-align: center;
}
#construction .const-icon {
  display: inline-block;
}
#construction .const-icon .slicon {
  display: inline-block;
  width: 80px;
  height: 80px;
  margin: 0 auto;
  background-image: url(../../images/icons_const.png);
}
#construction .item-container {
  overflow: hidden;
  display: flex;
  position: relative;
  height: 420px;
  cursor: pointer;
}
#construction .item-container .img-container {
  width: 45%;
  position: relative;
  z-index: 10;
  display: flex;
  justify-content: center;
  align-items: center;
}
#construction .item-container .img-container img {
  height: 86%;
  width: 100%;
  border: 10px solid #fff;
  box-shadow: 0 0 10px 0 rgba(10, 85, 0, 0.25);
  border-radius: 5px;
}
#construction .item-container .related-links a {
  line-height: 30px;
  margin-bottom: 5px;
  display: inline-block;
  color: #333333;
  white-space: nowrap;
}
#construction .item-container .related-links a:link {
  color: #333333;
}
#construction .item-container .related-links a:visited {
  color: #333333;
}
#construction .item-container .related-links a:hover {
  color: #5173F6;
}
#construction .item-container .related-links .zyicon-maptag {
  vertical-align: bottom;
}
#construction .item-container .related-links span {
  display: inline-block;
  vertical-align: top;
}
#construction .item-container .text-container {
  width: 55%;
  position: relative;
  padding: 2em;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
#construction .item-container .text-container * {
  position: relative;
}
#construction .item-container .text-container p {
  text-indent: 2em;
  /* font-family: Lantinghei-SC-Extralight; */
  font-size: 16px;
  color: #333333;
  letter-spacing: 0.36px;
  line-height: 27px;
  font-weight: 300;
  text-align: justify;
}
#construction .item-container .text-container span {
  font-size: 16px;
  color: #333333;
  letter-spacing: 0.36px;
  line-height: 27px;
  font-weight: 300;
}
#construction .item-container .text-container hr {
  width: 100%;
}
#construction .item-container .text-container::before {
  content: '';
  background: #fff;
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  left: -200px;
  z-index: 0;
}
.typical_icon {
  background-position: 0 0;
}
.swiper-navigation-item.active .typical_icon {
  background-position: 0 -80px;
}
.swiper-navigation-item.active span {
  font-weight: bold;
  color: #ff8937;
}
.safety_icon {
  background-position: -100px 0;
}
.swiper-navigation-item.active .safety_icon {
  background-position: -100px -80px;
}
.chemical_icon {
  background-position: -200px 0;
}
.swiper-navigation-item.active .chemical_icon {
  background-position: -200px -80px;
}
.personal_icon {
  background-position: -300px 0;
}
.swiper-navigation-item.active .personal_icon {
  background-position: -300px -80px;
}
.accident_icon {
  background-position: -400px 0;
}
.swiper-navigation-item.active .accident_icon {
  background-position: -400px -80px;
}
.construction_icon {
  background-position: -500px 0;
}
.swiper-navigation-item.active .construction_icon {
  background-position: -500px -80px;
}
.online_icon {
  background-position: -600px 0;
}
.swiper-navigation-item.active .online_icon {
  background-position: -600px -80px;
}
.newsmore-link {
  color: #999;
}
.newsmore-link a {
  display: block;
  border-radius: 3px;
  transition: all ease 0.2s;
  /* margin-top: 10px; */
  line-height: 48px;
  text-align: center;
  transition: all 0.2s ease;
}
.newsmore-link a:link {
  color: #999;
}
.newsmore-link:hover a {
  color: #FF8937;
}
.newsmore-link:hover {
  background-color: #fff;
}
.newsmore-link .downcircle_icon {
  background-position: -720px -20px;
  width: 16px;
  height: 16px;
  background-image: url(../../images/icons_const.png);
  display: inline-block;
  opacity: 60%;
  vertical-align: middle;
}
.newsmore-link:hover .downcircle_icon {
  background-position: -720px -100px;
  opacity: 100%;
}
#courses .course-con {
  padding: 20px;
  margin-bottom: 40px;
  display: flex;
  background-color: #f2f5fc;
}
#courses .course-con:nth-child(even) {
  flex-direction: row-reverse;
}
#courses .course-con .course-des {
  display: flex;
  justify-content: center;
  flex-direction: column;
  width: 39.5%;
  padding: 0 20px;
  text-align: justify;
  font-size: 14px;
  font-weight: 300;
  color: #333333;
}
#courses .course-con .course-des .course-name {
  font-size: 22px;
  margin-bottom: 35px;
}
#courses .course-con .course-des p:first-child {
  margin-bottom: 35px;
}
#courses .course-con .course-img {
  width: 60%;
}
#courses .course-con img {
  border: 10px solid #fff;
}
#policies .pub-item {
  background-color: #FFF;
  border-left: 3px solid #4100ff;
  padding: 20px;
  margin-bottom: 20px;
}
#policies .pub-item .pub-title {
  font-size: 18px;
  color: #333333;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
#policies .pub-item .pub-content {
  font-size: 14px;
  color: #333333;
  text-align: justify;
  line-height: 22px;
  font-weight: 300;
}
#cases .center-item {
  border: 1px solid #ccc;
  margin-bottom: 30px;
}
#cases .center-item img {
  max-width: 100%;
  width: 100%;
}
#cases .center-item h4 {
  padding: 0 15px;
  margin: 15px 0;
  font-size: 20px;
  line-height: 28px;
}
#cases .center-item .center-content {
  text-indent: 2em;
  font-size: 14px;
  text-align: justify;
  padding: 0 15px;
  padding-bottom: 15px;
  font-weight: 300;
}
#news .g-item {
  min-height: 270px;
  background: #fff;
  border: 1px solid #dadada;
  box-shadow: 0 3px 5px 0 rgba(0, 0, 0, 0.07);
  margin-bottom: 30px;
}
#news .g-item:hover {
  box-shadow: 0 3px 10px 0 rgb(0 21 7.77777778%);
  border: 1px solid #83b8d0;
}
#news .u-img {
  display: inline-block;
  height: 170px;
  width: 100%;
  background-size: cover;
  background-position: 50% 50%;
  background-repeat: no-repeat;
}
#news .g-top-info {
  box-sizing: border-box;
  padding: 0 13px;
}
#news .u-item-title {
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: #333;
  display: -webkit-box;
  font-family: PingFangSC-Semibold, PingFang SC, PingFangSC-Light, Helvetica, Tahoma, Arial, Microsoft YaHei, Hiragino Sans GB, WenQuanYi Micro Hei, sans-serif;
  font-size: 16px;
  font-weight: 600;
  height: 40px;
  letter-spacing: 1px;
  line-height: 20px;
  margin-top: 14px;
  max-width: 260px;
  overflow: hidden;
  text-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}
#news .nrnum {
  margin-left: 15px;
  background: url(../../images/eyes.png) no-repeat left center;
}
#news .nrtime {
  background: url(../../images/clock.png) no-repeat left center;
}
/* 超小屏幕（手机，小于 768px） */
/* 没有任何媒体查询相关的代码，因为这在 Bootstrap 中是默认的（还记得 Bootstrap 是移动设备优先的吗？） */
.imgbox-container {
  background: #fff;
  padding: 10px;
  display: flex;
  flex-direction: row;
  height: 340px;
}
.imgbox-container .imgbox-img {
  object-fit: cover;
  width: 100%;
  height: 100%;
  border: none!important;
  transition: all ease 0.4s;
}
.imgbox-container .imgbox-img:hover {
  height: 120%;
  width: 120%;
  margin: -10% 0 0 -10%;
}
.imgbox-container .imgbox-main {
  width: 66%;
  margin-right: 10px;
  overflow: hidden;
}
.imgbox-container .imgbox-subcon {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.imgbox-container .imgbox-subimg {
  flex: 1;
  background: #33c2ff;
  height: calc(50% - 5px);
  box-sizing: border-box;
  margin-bottom: 10px;
  overflow: hidden;
}
.imgbox-container .imgbox-subimg:last-child {
  margin-bottom: 0px;
}
@media (min-width: 769px) {
  .visible-xs-block {
    display: none;
  }
  nav.navbar {
    background: rgba(255, 255, 255, 0.05);
    position: fixed;
    top: 0;
    left: 0;
  }
  nav.navbar.isFix {
    background-image: linear-gradient(138deg, #4100ff 0%, #00b4ff 20%, #5d00ff 100%);
    position: fixed;
    top: 0;
    left: 0;
  }
  .sub-nav.isFix {
    position: fixed;
    top: 80px;
  }
}
/* 小屏幕（平板，大于等于 768px） */
@media (max-width: 768px) {
  .hidden-xs {
    display: none!important;
  }
  .visible-xs-block {
    display: block;
  }
  .zyicon-maptag {
    width: 18px;
    height: 28px;
  }
  .framework .section-container {
    padding-bottom: 20px;
  }
  .framework h3 {
    margin: 20px 0;
    font-size: 1.5rem;
  }
  header {
    height: 320px;
    padding-top: 50px;
  }
  header::after,
  header::before {
    display: none;
  }
  header .container .banner-text {
    width: auto!important;
  }
  #top-nav.sub-nav .nav-bar {
    white-space: nowrap;
    overflow: auto;
  }
  nav.navbar {
    background: rgba(255, 255, 255, 0.05);
    position: fixed;
    top: 0;
    left: 0;
    padding: 5px;
  }
  nav.navbar.isFix {
    background-image: linear-gradient(138deg, #4100ff 0%, #00b4ff 20%, #5d00ff 100%);
    position: fixed;
    top: 0;
    left: 0;
  }
  .sub-nav.isFix {
    position: fixed;
    top: 50px;
  }
  #advantages .col-sm-6 {
    width: 50%;
  }
  #construction .const-icon .slicon {
    height: 70px;
  }
  #construction .item-container .related-links a {
    line-height: 27px;
    margin-bottom: 5px;
  }
  #courses .course-name {
    margin-bottom: 15px!important;
    font-size: 16px!important;
  }
  #courses .course-text p {
    margin-bottom: 10px!important;
  }
  #courses .course-con {
    flex-direction: column!important;
    padding: 15px;
    margin-bottom: 15px;
  }
  #courses .course-con:nth-last-child(2) {
    margin-bottom: 0;
  }
  #courses .course-con .course-des {
    width: auto;
    height: auto;
    padding: 0;
  }
  #courses .course-con .course-img {
    width: auto;
    height: 180px;
  }
  #construction .swiper-wrapper {
    height: 420px;
  }
  #construction .swiper-slide {
    background-color: #FFF;
  }
  #construction .swiper-navigation-item {
    min-width: 100px;
    margin: 0 5px;
  }
  #construction .swiper-navigation {
    overflow: auto;
    margin-bottom: 20px;
  }
  #construction .item-container {
    flex-direction: column;
    height: 500px;
  }
  #construction .item-container .container {
    padding: 0 1em;
  }
  #construction .swiper-navigation-item span {
    font-size: 14px;
  }
  #construction .swiper-navigation-item span br {
    display: none;
  }
  #construction .item-container .img-container {
    height: 200px;
  }
  #construction .item-container .img-container,
  #construction .item-container .text-container {
    width: auto;
  }
  #construction .item-container .img-container img,
  #construction .item-container .text-container img {
    box-shadow: none!important;
    max-height: 100%;
    height: 100%;
    object-fit: cover;
  }
  #construction .item-container .text-container {
    padding: 0 1em;
  }
  #construction .item-container .text-container p {
    display: -webkit-box;
    max-height: 65px;
    overflow: hidden;
    -webkit-box-orient: vertical;
    line-clamp: 3;
    -webkit-line-clamp: 3;
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 22px;
  }
  #construction .item-container .text-container hr {
    width: 100%;
    margin: 0.3rem 0;
  }
  #construction .item-container .text-container .related-links {
    max-height: 120px;
    padding-bottom: 0px;
  }
  #construction .item-container .text-container .related-links span {
    font-size: 14px;
  }
  #construction .item-container .text-container .related-links li {
    width: 50%;
    white-space: nowrap;
  }
  #policies .pub-item {
    margin-bottom: 15px;
  }
  #policies .pub-item .pub-title {
    font-size: 16px;
  }
}
/* 小屏幕（平板，大于等于 768px） */
@media (max-width: 480px) {
  header {
    height: 200px;
  }
  header h2 {
    font-size: 27px;
  }
  header .container .banner-text {
    width: auto!important;
  }
}