.w {
  max-width: 1600px;
  margin: 0 auto;
}

.nr {
  max-width: 1400px;
  margin: 0 auto;
}

li {
  list-style: none;
}

ul {
  padding: 0;
  margin: 0;
}

a {
  color: #000;
}

a:hover {
  text-decoration: none;
  color: #32beff;
}

a:link {
  text-decoration: none;
}

p {
  margin: 0;
}

:root {
  --styleColor: #2fbcfc;
}

.msf_btn {
  background-image: linear-gradient(90deg, #31c0ff 40%, #015faf);
  color: #fff;
  font-size: 18px;
  transition: all 0.3s;
  box-sizing: border-box;
  padding: 15px 88px;
  border-radius: 10px;
  opacity: 0.8;
}

.msf_btn:hover {
  opacity: 1;
  background-image: linear-gradient(45deg, #31c0ff, #015faf);
  filter: brightness(120%);
  color: #fff;
}

.bd_title {
  text-align: center;
}

.bd_title h3 {
  margin-top: 60px;
  font-size: 36px;
  color: #090909;
  margin-bottom: 20px;
}

.bd_title h5 {
  font-size: 18px;
  color: #646464;
  margin-bottom: 40px;
}

.ws_m_title {
  text-align: center;
}

.ws_m_title .cn {
  font-size: 36px;
  font-weight: 600;
  color: #333333;
}

.ws_m_title .en {
  font-size: 16px;
  color: #999999;
}

.more {
  font-size: 16px;
  padding: 8px 20px;
  color: #999999;
  border: 1px solid #999999;
}

header .navbar-default {
  background-color: #fff;
  margin-bottom: 0;
  border: none;
  box-shadow: 0px 0px 20px 2px rgba(0, 0, 0, 0.17);
}

header .navbar-default .navbar-header .navbar-brand {
  line-height: 120px;
  padding: 0;
  height: auto;
  margin-left: 0;
}

header .navbar-default .navbar-header .navbar-brand img {
  display: inline;
}

header .navbar-default .navbar-nav>.nav_item {
  margin-left: 50px;
}

header .navbar-default .navbar-nav>.nav_item:hover>a {
  color: #eb6123;
  background-color: #fff;
}

header .navbar-default .navbar-nav>.nav_item.active>a {
  color: #eb6123;
  background-color: #fff;
}

.dropdown-menu>li:hover a {

  color: #eb6123;
  background-color: #eee;
}

.dropdown-menu>li>a {
  padding: 12px 10px;
  font-size: 16px;
}

header .navbar-default .navbar-nav>.nav_item>a {
  padding: 0;
  line-height: 120px;
  font-size: 20px;
  color: #000;
}

footer {
  background-color: #3b3b3b;
}

footer .footer_top .w {
  display: flex;
  width: 100%;
  justify-content: space-between;
  padding: 50px;
  border-bottom: 1px solid #7b7b7b;
}

footer .footer_top .w .tel dd {
  font-size: 26px;
}

footer .footer_top .w .tel dd a {
  display: flex;
  align-items: center;
  padding: 2px 15px;
  background-color: #2299ff;
  color: #fff;
  font-size: 15px;
  margin-top: 20px;
}

footer .footer_top .w .tel dd a::before {
  content: '';
  width: 20px;
  height: 18px;
  background: url(../images/tel-icon.png) no-repeat center center;
  display: block;
  margin-right: 10px;
}

footer .footer_top .w dl {
  color: #dadada;
}

.navbar-right .dropdown-menu {
  left: 50%;
  transform: translateX(-50%);
  right: auto;
}

footer .footer_top .w dl dt {
  font-size: 16px;
  margin-bottom: 25px;
}

footer .footer_top .w dl dd {
  line-height: 30px;
}

footer .footer_top .w dl a {
  color: #dadada;
  font-size: 14px;
}

footer .footer_bottom .w {
  padding: 20px 100px;
  display: flex;
  justify-content: space-between;
  color: #dadada;
}

footer .footer_bottom .w a {
  color: #dadada;
}

@keyframes msf_show {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

@keyframes msf_xunazhuan {
  0% {
    transform: rotateY(0deg);
  }

  100% {
    transform: rotateY(180deg);
  }
}

@media screen and (max-width: 1600px) {
  .w {
    width: 100%;
    padding: 0 15px;
  }
}

@media screen and (max-width: 1200px) {
  header .navbar-default .container-fluid .navbar-nav>.nav_item {
    margin-left: 30px;
  }

  .navbar-right .dropdown-menu {
    transform: unset;
  }
}

@media screen and (max-width: 780px) {
  a:hover {
    color: #222;
  }

  .nr {
    width: 100%;
    padding: 0 0.3rem;
  }

  .w {
    width: 100%;
    padding: 0 0.3rem;
  }

  .bd_title h3 {
    margin-top: 30px;
    font-size: 22px;
    margin-bottom: 10px;
  }

  .bd_title h5 {
    font-size: 16px;
    margin-bottom: 20px;
  }

  header {
    /*padding-top: 50px;
*/
  }

  header .navbar-default {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 99;
  }

  header .navbar-default .container-fluid .navbar-header .navbar-brand {
    line-height: 50px;
    margin-left: 15px;
  }

  header .navbar-default .container-fluid .navbar-header .navbar-brand img {
    height: 40px;
  }

  header .navbar-default .container-fluid .navbar-nav>.nav_item {
    margin-left: 0;
    padding: 0 20px;
  }

  header .navbar-default .container-fluid .navbar-nav>.nav_item>a {
    line-height: 40px;
    font-size: 16px;

  }

  .navbar-nav .open .dropdown-menu .dropdown-header,
  .navbar-nav .open .dropdown-menu>li>a {
    padding: 5px 10px;
  }

  .navbar-default .navbar-nav>.open>a,
  .navbar-default .navbar-nav>.open>a:focus,
  .navbar-default .navbar-nav>.open>a:hover {
    background-color: #fff;
  }

  footer .footer_top .w {
    padding: 15px 0;
  }

  footer .footer_top .w dl {
    display: none;
  }

  footer .footer_top .w dl:nth-last-child(1) {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 0px;
  }

  footer .footer_bottom .w {
    padding: 0.3rem;
    display: block;
    text-align: center;
  }
}