@charset "utf-8";

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  /* 为英文准备的 */
  word-break: break-word !important;
  hyphens: auto;
  -ms-hyphens: auto;
  -webkit-hyphens: auto;
  font-family: Microsoft YaHei;
}

img {
  width: 100%;
  object-fit: contain;
}

ul li {
  list-style-type: none;
}

input {
  outline: none;
  border: none;
}

a {
  text-decoration: none;
}

/* 全局变量 */
:root {
  /* 内容区的padding */
  --content-size-padding1: 0 2.6rem;
  /* 主色调 */
  --main-color: #16A085;
}

html {
  background: #fff;
}

body {
  background-image: url(../images/index-bg.png), url(../images/footer-bg.png);
  background-position: top, bottom;
  background-repeat: no-repeat;
  background-size: 100%;
}

/* 头部样式 */
.hearder {
  z-index: 99;
  width: 100%;
}

.hearder .top {
  width: 6rem;
  height: auto;
  /* padding: var(--content-size-padding1); */
  padding: 0.54rem 0 0.25rem;
  margin: 0 auto;
  align-items: center;
}

.top .nav-logo {
  width: 4.41rem;
  height: 2.9rem;
  display: flex;
  margin: 0 auto 0.32rem;
}

.top .mb-nav-logo {
  display: none;
}

.top .search-container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
}

.search-container .search-box {
  width: 2.55rem;
  height: 0.4rem;
  padding-left: 0.14rem;
  background-color: #fff;
  border-radius: 0.2rem;
  border: #16A085 0.005rem solid;
  display: flex;
  align-items: center;
}

.search-container .search-box .search-input {
  width: 2.18rem;
  height: 100%;
  border-radius: 0.15rem;
  font-size: 0.14rem;
  color: #000;
}

.search-container .search-box .search-icon {
  width: 0.4rem;
  height: 0.4rem;
  flex-grow: 0;
  flex-shrink: 0;
  cursor: pointer;
}

.search-container .seach_hy {
  display: flex;
  width: 1.26rem;
  height: 0.4rem;
  background: #16A085;
  border-radius: 0.2rem;
  align-items: center;
}

.search-container .seach_hy a {
  height: 0.22rem;
  margin: 0 auto;
  font-size: 0.16rem;
  color: #fff;
  display: flex;
}

.search-container .seach_hy .seach_hy_icon {
  width: 0.2rem;
  height: 100%;
  display: block;
  margin-right: 0.07rem;
}

.search-container .seach_zjk {
  display: flex;
  width: 1.45rem;
  height: 0.4rem;
  background: #16A085;
  border-radius: 0.2rem;
  align-items: center;
}

.search-container .seach_zjk a {
  height: 0.23rem;
  margin: 0 auto;
  font-size: 0.16rem;
  color: #fff;
  display: flex;
}

.search-container .seach_zjk .seach_zjk_icon {
  width: 0.24rem;
  height: 100%;
  display: block;
  margin-right: 0.07rem;
}

.search-container .lang {
  display: block;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 0.2rem;
  border: #16A085 0.005rem solid;
  background-color: #fff;
  color: #16A085;
  font-size: 0.16rem;
  line-height: 0.36rem;
  cursor: pointer;
  text-align: center;
}

/* 手机端的 */

.top .mb-search-container {
  /* display: flex; */
  align-items: center;
  display: none;
}

.top .mb-search-container .lang {
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 0.3rem;
  background-color: #16A085;
  color: #fff;
  font-size: 0.3rem;
  line-height: 0.56rem;
  text-align: center;
  margin-right: 0.2rem;
}

.top .mb-search-container .search-icon {
  width: 0.58rem;
  height: 0.58rem;
  object-fit: cover;
  margin-right: 0.2rem;
}

.top .mb-search-container .nav-icon {
  background: url('../images/nav.png') no-repeat center;
  background-size: 100% 100%;
  width: 0.58rem;
  height: 0.58rem;
}

.top .mb-search-container .nav-icon.active {
  background: url('../images/close.png') no-repeat center;
}

.hearder .nav {
  width: 6rem;
  height: auto;
  display: flex;
  justify-content: space-between;
  /*align-items: center;*/
  margin: 0 auto 0.72rem;
}

.nav .nav-item {
  color: #017A62;
  font-size: 0.18rem;
  letter-spacing: 0.02rem;
  font-weight: 400;
  line-height: 0.3rem;
  padding: 0.1rem;
  writing-mode: vertical-lr;
  display: flex;
  cursor: pointer;
}

.nav .nav-item:hover,
.nav .nav-item.active {
  background-color: #16A085;
  color: #fff;
  border-radius: 0.05rem;
}

/* 页脚 */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
  font-size: 0.14rem;
  width: 100%;
  height: 0.86rem;
  line-height: 0.3rem;
  padding: 0 2.6rem 1rem;
}

.footer .beian {
  width: 0.18rem;
  height: 0.2rem;
  margin: 0 0.05rem 0 0.15rem;
  vertical-align: middle;
}

.footer a {
  color: #fff;
}

.footer .l-text {
  display: block;
}

.footer .l-text-wb {
  display: none;
}

.r-qr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 3rem;
}

.r-qr .wl-sydw {
  width: 0.52rem;
  height: 0.64rem;
  margin-right: 0.2rem;
}

.r-qr .qr-img {
  width: 1rem;
  height: 1rem;
}

/*页脚下拉框*/
.sy_select {
  display: block;
  padding: 0 2.6rem;
  margin: 1.54rem auto 1.7rem;
}

.sy_select .container {
  display: flex;
  align-items: center;
}

.sy_select .item-sy {
  width: 2.5rem;
  height: 0.4rem;
  position: relative;
  margin-right: 0.4rem;
}

.sy_select .item-sy h2 {
  width: 100%;
  height: 0.4rem;
  line-height: 0.4rem;
  cursor: pointer;
  padding: 0 0.4rem 0 0.2rem;
  font-weight: 400;
  font-size: 0.14rem;
  margin: 0px;
  background: #fff;
  border: 1px solid #e6e6e6;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sy_select .item-sy h2 img {
  position: absolute;
  width: 0.12rem;
  top: 0;
  bottom: 0;
  right: 0.15rem;
  margin: auto;
  transform: rotate(0deg);
  transition: transform 0.5s;
}

.contant-box1-sy {
  display: none;
  z-index: 55;
  position: relative;
  overflow-y: auto;
  max-height: 2rem;
}

.contant-box1-sy a {
  display: block;
  background-color: #fff;
  border-top: 1px solid #f2f2f2;
  cursor: pointer;
  color: #666666;
  font-size: 0.14rem;
  line-height: 0.32rem;
  padding: 0 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}


/* 公共样式 */
.main {
  /* margin-top: var(--margin-top-header); */
}

/* 二级页面下的小菜单 */
.subpage-nav {
  margin-bottom: 0.4rem;
  display: flex;
  width: 100%;
}

.subpage-nav .subpage-nav-item {
  font-size: 0.14rem;
  font-weight: 300;
  /* color: var(--main-color); */
  color: #f26522;
  white-space: nowrap;
}

.subpage-nav .subpage-nav-item:first-child {
  color: #999999;
}

.subpage-nav .subpage-nav-item+.subpage-nav-item::before {
  content: ">";
  margin: 0 0.1rem;
  /* color: var(--main-color); */
  color: #f26522;
}

/* 文章页分享样式 */



/* 微信弹出二维码 */
.wx-pop-mod {
  position: fixed;
  top: 35%;
  left: 50%;
  margin-left: -1.8rem;
  width: 3.6rem;
  padding: 0.2rem;
  box-sizing: border-box;
  border: 1px solid #ddd;
  border-radius: 0.1rem;
  background: #fff;
}

.wx-pop-mod h3 {
  font-size: 0.26rem;
  font-weight: normal;
  text-align: center;
  color: #444;
  margin-bottom: 0.1rem;
}

.weixin_share_close_btn {
  transform: rotate(45deg);
  position: absolute;
  top: 7px;
  right: 7px;
  font-size: 26px;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #333;
}

.wx-pop-mod img {
  display: block;
}

/* ===========分页样式===分页样式===分页样式===分页样式===分页样式===分页样式===分页样式============= */
.pages {
  width: 96.5%;
  font-size: 0.16rem;
  margin: 0.4rem 0 0;
  text-align: right;
}

.pages li {
  display: inline-block;
  margin: 0 0.08rem;
}

.page a {
  color: #999;
  cursor: pointer;
  padding: 0.05rem 0.12rem;
  text-decoration: none;
  border-radius: 0.1rem;
  display: block;
}

.page a:hover,
.page-active a {
  background: #f26e22;
  color: #fff;
}

.page-previous a,
.page-next a {
  color: #999;
  background: #fff;
  padding-top: 0.1rem;
  padding-bottom: 0.1rem;
}

.page-previous a:hover,
.page-next a:hover {
  color: #f26e22;
}

.page-previous a {
  padding-left: 0.5rem;
  background: url(//www.sciep.com/2023/images/prev-page.png) no-repeat left center;
}

.page-next a {
  padding-right: 0.5rem;
  background: url(//www.sciep.com/2023/images/next-page.png) no-repeat right center;
}

@media (min-width: 1200px) {
  .page {
    position: inherit !important;
  }

  .title1 {
    font-size: 0.785vw !important;
    line-height: 150% !important;
  }

  .jj1 {
    font-size: 0.625vw !important;
  }
}

/* ===========分页样式===分页样式===分页样式===分页样式===分页样式===分页样式===分页样式==========*/


/* 手机端 */
@media screen and (max-width: 769px) {

  body {
    background-image: none;
  }

  /* 头部 */
  .hearder {
    position: fixed;
    top: 0;
    left: 0;
    background-color: #fff;
    z-index: 99;
    width: 100%;
  }

  .hearder .top {
    width: 100%;
    padding: 0.74rem 0.3rem 0.4rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .top .nav-logo {
    display: none;
  }

  .top .mb-nav-logo {
    display: flex;
    width: 3.44rem;
    height: 0.73rem;
  }

  .top .search-container {
    display: none;
  }

  .top .mb-search-container {
    display: flex;
  }

  .hearder .nav {
    display: none;
  }



  /* 页脚 */

  .sy_select {
    display: none;
  }

  .footer {
    background: url(../images/foot-bg-mb.png) no-repeat bottom;
    background-size: 100%;
    display: block;
    text-align: center;
    color: #fff;
    font-size: 0.22rem;
    width: 100%;
    height: 6.33rem;
    padding: 3.4rem 0.56rem 2rem;
  }

  .footer .l-text {
    display: none;
  }

  .footer .l-text-wb {
    display: block;
  }

  .footer .beian {
    width: 0.26rem;
    height: 0.28rem;
    margin: 0 0.05rem 0 0.15rem;
    vertical-align: middle;
  }

  .footer a {
    color: #fff;
  }

  .footer p {
    font-size: 0.22rem;
    line-height: 0.36rem;
  }

  .footer .r-qr {
    padding: 0.4rem 0;
    margin: 0 auto;
  }

  /* 内容 */
  .main {
    margin-top: 1.9rem;
  }

  /* 分页 */
  .pages {
    text-align: center;
  }

  .page a,
  .page-previous a,
  .page-next a {
    font-size: 0.2rem;
  }

  /* 当前位置 */
  .subpage-nav .subpage-nav-item {
    font-size: 0.18rem;
  }

  /* 分享*/
  .share-mod {
    position: relative;
    top: 0;
    right: 0;
    width: auto;
    border: none;
    box-shadow: none;
    height: 0.4rem;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    margin-bottom: 0.1rem;
  }

  .share-mod h3 {
    font-size: 0.2rem;
    margin: 0;
  }

  .share-mod h3:after {
    content: ":";
  }

  .share-link {
    display: flex;
    flex-direction: row;
    margin: 0;
    width: auto;
  }

  .share-link li {
    margin: 0 0.1rem;
    transition: none;
  }
}


/* 手机端的下拉菜单 */
.mb-menu-container {
  position: fixed;
  left: 0;
  top: 1.86rem;
  background-color: #fff;
  z-index: 999;
  width: 100%;
  height: calc(100vh - 1.86rem);
  overflow-y: auto;
  padding: 0 0.15rem;
  box-sizing: border-box;
  display: none;
}

.mb-menu-container .menu-box {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* 一级目录 */
.mb-menu-container .menu-box .menu-item,
.mb-menu-container .menu-box .sec-menu-item {
  display: flex;
  flex-direction: column;
  padding: 0.1rem 0;
  border-bottom: 1px solid #D2D2D2;
}

.menu-box .menu-item.active .menu-item-title {
  color: #16A085;
}

.menu-box .menu-item.active .menu-item-title::after {
  transform: rotate(90deg);
}

.menu-box .menu-item .menu-item-title,
.menu-box .menu-item .sec-menu-item-title {
  color: #333;
  font-size: 0.34rem;
  display: flex;
  width: 100%;
  position: relative;
  padding: 0.1rem 0 0.1rem 0.1rem;
}

.menu-box .menu-item .menu-item-title::after,
.menu-box .menu-item .sec-menu-item-title::after {
  content: "";
  display: block;
  position: absolute;
  right: 0.15rem;
  top: 0.21rem;
  background: url('../images/nav-l-arrow.png') no-repeat;
  background-size: 100% auto;
  width: 0.2rem;
  height: 0.2rem;
}

/* 二级目录 */
.mb-menu-container .menu-box .sec-menu-box {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding-left: 0.2rem;
  display: none;
}

.mb-menu-container .menu-box .sec-menu-item:last-child {
  border-bottom: none;
}

.menu-box .menu-item .sec-menu-item-title::before {
  content: "";
  position: relative;
  left: 0.15rem;
  top: 0.1rem;
  background: url('../images/small-arrow.png') no-repeat;
  background-size: 100% auto;
  width: 0.05rem;
  height: 0.1rem;
  margin-right: 0.3rem;
  transform: scale(1.3);
}