ul,
ol,
dl,
li,
dd,
dt {
  list-style: none;
  margin: 0px;
  padding: 0px;
}
body {
  font: 16px/1.7 Arial, Helvetica, 'Microsoft Yahei', SimHei, SimSun, sans-serif;
  /* 默认14号字，1.7倍行距，英文字体Arial > Helvetica,中文字体：微软雅黑 > 黑体 > 宋体 */
  background-color: #000000;
  color: #ffffff;
}
a:hover {
  text-decoration: none;
}
.main_row {
  position: relative;
  max-width: 1600px;
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  padding-right: 30px;
  padding-left: 30px;
}
@media (min-width: 992px) {
  .main_row {
    padding-right: 60px;
    padding-left: 60px;
  }
}
@media (min-width: 1200px) {
  .main_row {
    padding-right: 90px;
    padding-left: 90px;
  }
}
.main_fix {
  position: relative;
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  max-width: 1600px;
  padding-right: 30px;
  padding-left: 30px;
}
@media (min-width: 992px) {
  .main_fix {
    padding-right: 60px;
    padding-left: 60px;
  }
}
@media (min-width: 1200px) {
  .main_fix {
    padding-right: 90px;
    padding-left: 90px;
  }
}
.ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.clearfix:before,
.clearfix:after {
  content: " ";
  display: table;
}
.clearfix:after {
  clear: both;
}
.index-title {
  padding-bottom: 48px;
  text-align: center;
}
.index-title h2 {
  font-size: 32px;
  margin-bottom: 15px;
}
.index-title p {
  margin-bottom: 15px;
}
.index-title-more {
  padding-bottom: 48px;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.index-title-more h2 {
  font-size: 32px;
  margin-bottom: 15px;
}
.index-title-more .more {
  text-decoration: underline;
}
.img-hover img {
  display: block;
  width: 100%;
  transform-origin: center;
  transition: transform 0.3s, visibility 0.3s ease-in-out;
}
.img-hover:hover img {
  transform: scale(1.1);
}
#header {
  position: fixed;
  width: 100%;
  color: #ffffff;
  height: 60px;
  z-index: 1050;
}
#header.black {
  background-color: #1a1a1a;
}
#header:before,
#header:after {
  content: " ";
  display: table;
}
#header:after {
  clear: both;
}
#header:before,
#header:after {
  content: " ";
  display: table;
}
#header:after {
  clear: both;
}
#header .iconfont {
  font-size: 24px;
  vertical-align: bottom;
}
#header .main-nav > li > a {
  position: relative;
}
#header .main-nav > li > a::after {
  content: '';
  display: block;
  width: 100%;
  height: 3px;
  position: absolute;
  left: 0;
  bottom: 0;
  background: #80a1ff;
  transform-origin: center center;
  transform: scaleX(0);
  transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}
#header .main-nav > li > a:hover {
  color: #80a1ff;
}
#header .main-nav > li > a:hover::after {
  transform-origin: center center;
  transform: scaleX(1);
}
#header .navbar-brand {
  display: block;
  position: relative;
  z-index: 9;
}
@media (min-width: 1200px) {
  #header .navbar-brand {
    margin-left: 15px;
  }
}
#header .navbar-brand img {
  height: 60px;
}
#header .dropdown-menu > li > a {
  color: #ffffff;
}
#header .navbar-toggle {
  margin-top: 13px;
}
#header .navbar-collapse {
  background-color: #6a6a6a;
  position: relative;
  z-index: 1;
}
#header .nav-top-btn {
  border: 1px solid #fff;
  border-radius: 6px;
  padding-top: 12px;
  padding-bottom: 12px;
  margin-top: 3px;
}
#header .sidenav a {
  padding-top: 10px;
  padding-bottom: 10px;
  line-height: 20px;
  display: block;
  padding-left: 28px;
}
#header .menu3-box {
  display: none;
}
@media (min-width: 1200px) {
  #header {
    border-radius: 4px;
    height: 88px;
    font-size: 18px;
  }
  #header .flex {
    display: flex;
  }
  #header .navbar-brand img {
    height: 85px;
  }
  #header .navbar-collapse {
    background-color: transparent;
    position: static;
  }
  #header .nav > li {
    position: static;
  }
  #header .navbar-nav {
    margin-top: 20px;
  }
  #header .navbar-nav a {
    color: inherit;
  }
  #header .navbar-nav > li > .dropdown-menu {
    margin-top: 0;
    padding: 0;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
  }
  #header .navbar-nav .dropdown-menu {
    background-color: #f7f7f7;
    background-image: linear-gradient(90deg, #f7f7f7 50%, #eee 0);
    right: 0;
    display: block;
    opacity: 0;
    max-height: 0px;
    transition: all ease 0.2s;
    overflow: hidden;
  }
  #header .navbar-nav .dropdown-menu .sidenav {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    background-color: #f7f7f7;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
    flex-direction: column;
    min-width: 299px;
    padding: 20px 0 30px;
    width: 299px;
  }
  #header .navbar-nav .dropdown-menu .sidenav li .navlink {
    background-color: #f7f7f7;
    border: 3px solid #f7f7f7;
    color: #666;
    cursor: pointer;
    font-size: 14px;
    font-weight: 700;
    line-height: 17.5px;
    margin-right: 40px;
    outline: none;
    padding: 10px 0 10px 15px;
    text-align: left;
    padding-left: 9pt;
    display: block;
  }
  #header .navbar-nav .dropdown-menu .sidenav li .navlink:hover {
    color: #000;
    background-color: #eee;
  }
  #header .navbar-nav .dropdown-menu .sidenav li.active .navlink {
    color: #000;
    border-left: 3px solid #80a1ff;
  }
  #header .navbar-nav .dropdown-menu .navmain {
    flex: 1;
    background-color: #eee;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 30px;
    padding: 30px 0;
    border-left: 1px solid #ccc;
  }
  #header .navbar-nav .dropdown-menu .navmain .menu3-box {
    display: none;
  }
  #header .navbar-nav .dropdown-menu .navmain .menu3-box.active {
    display: block;
  }
  #header .navbar-nav .dropdown-menu .navmain .h2-style {
    color: #222;
    font-size: 24px;
    font-weight: 700;
    line-height: 30px;
    display: block;
    padding-left: 30px;
    padding-bottom: 10px;
  }
  #header .navbar-nav .dropdown-menu .navmain .menu3-item {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: row;
    flex-direction: row;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
  }
  #header .navbar-nav .dropdown-menu .navmain .menu3-item .menu3-item-card {
    max-width: 310px;
    padding-left: 10px;
    width: 310px;
    font-weight: 600;
    color: #000;
  }
  #header .navbar-nav .dropdown-menu .navmain .menu3-item .menu3-item-card .menu3-item-card-inner {
    transition: backgroundColor 0.2s ease;
    padding: 11px 20px;
  }
  #header .navbar-nav .dropdown-menu .navmain .menu3-item .menu3-item-card a::after {
    content: ">";
    margin-left: 12px;
    display: inline-block;
    vertical-align: middle;
    font-weight: 900;
    font-family: fangsong;
    transform: translateX(0);
    transition: transform ease 0.2s;
    color: #80a1ff;
  }
  #header .navbar-nav .dropdown-menu .navmain .menu3-item .menu3-item-card p {
    color: #666;
    font-size: 14px;
    font-weight: 400;
    padding-bottom: 0;
    padding-top: 0;
  }
  #header .navbar-nav .dropdown-menu .navmain .menu3-item .menu3-item-card:hover .menu3-item-card-inner {
    background-color: #ddd;
  }
  #header .navbar-nav .dropdown-menu .navmain .menu3-item .menu3-item-card:hover a::after {
    transform: translateX(12px);
  }
  #header .navbar-nav .dropdown-menu .navmain .menu3-item .menu3-desc {
    padding: 12px 0 0 30px;
    color: #666;
    font-size: 14px;
    font-weight: 400;
  }
  #header .navbar-nav .open > .dropdown-menu {
    display: block;
    opacity: 1;
    max-height: 600px;
  }
}
#footer {
  background-color: #000;
}
#footer .foot-l1 {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-top: 96px;
}
#footer .foot-l1 .foot-logo {
  width: 100%;
  padding-bottom: 20px;
}
#footer .foot-l1 .foot-logo img {
  width: 60%;
}
#footer .foot-l1 dl dt {
  font-size: 24px;
  padding: 20px 0 35px;
}
#footer .foot-l1 dl dt a {
  border-bottom: 1px solid #fff;
  padding: 0 5px 15px;
}
#footer .foot-l1 dl dd {
  padding: 5px 0;
  font-size: 16px;
}
@media (min-width: 992px) {
  #footer .foot-l1 {
    flex-wrap: nowrap;
  }
  #footer .foot-l1 .foot-logo {
    width: auto;
    max-width: 20%;
  }
  #footer .foot-l1 .foot-logo img {
    width: 80%;
  }
}
@media (min-width: 1200px) {
  #footer .foot-l1 {
    flex-wrap: nowrap;
  }
  #footer .foot-l1 .foot-logo {
    width: auto;
    max-width: 20%;
  }
  #footer .foot-l1 .foot-logo img {
    width: 80%;
  }
}
#footer .foot-l2 {
  display: flex;
  justify-content: space-between;
  padding-top: 96px;
  flex-wrap: wrap;
}
#footer .foot-l2 dl {
  display: flex;
}
#footer .foot-l2 dl dt {
  padding-right: 20px;
}
#footer .foot-l2 dl dt .iconfont {
  font-size: 24px;
}
#footer .foot-l2 dl dd {
  font-size: 16px;
  line-height: 32px;
}
@media (min-width: 992px) {
  #footer .foot-l2 {
    justify-content: space-evenly;
  }
}
@media (min-width: 1200px) {
  #footer .foot-l2 {
    justify-content: space-evenly;
  }
}
#footer .foot-l3 {
  margin-top: 96px;
  border-top: 1px solid #fff;
  padding: 30px 0 96px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
#footer .foot-l3 div {
  padding: 10px 0;
}
@media (min-width: 992px) {
  #footer .foot-l3 {
    justify-content: space-evenly;
  }
}
@media (min-width: 1200px) {
  #footer .foot-l3 {
    justify-content: space-evenly;
  }
}
#gotop {
  display: none;
  position: fixed;
  right: 50px;
  bottom: 50px;
  width: 60px;
  cursor: pointer;
}
#gotop img {
  width: 100%;
}
.cus_container {
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
  max-width: 1600px;
}
@media (min-width: 992px) {
  .cus_container {
    padding-right: 45px;
    padding-left: 45px;
  }
}
@media (min-width: 1200px) {
  .cus_container {
    padding-right: 75px;
    padding-left: 75px;
  }
}