/*======================================================================================*/
/* --------------------------------------Media Query---------------------------------- */
/*=====================================================================================*/
/* Extra small devices (portrait phones, less than 576px) */
@media (max-width: 575.98px) {
  #topnav.navbar {
    height: 50px;
  }
  .navbar-header {
    position: relative;
    margin: 0;
    width: 100%;
  }
  .navbar-header .navbar-brand {
    position: relative;
    left: 50%;
    transform: translateX(-50%);
  }

  .navbar-light .navbar-toggler {
    position: absolute;
    float: left;
    /* top: 8.5px; */
    left: 0;
    border-color: transparent;
    height: 100%;
    width: 55px;
  }

  .navbar-toggler-icon {
    width: 2.5em;
    height: 2.5em;
  }

  .navbar-collapse.show {
    /* background-color: red; */
  }

  #topnav .container-fluid #navbar-collapse-1 {
    padding-right: 0;
  }
  .topmenu {
    height: auto;
    background-color: #fff;
    align-items: baseline;
  }
  .topmenu li {
    position: relative;
    display: block;
    width: 100%;
  }
  .topmenu li + li {
    border-top: 1px solid #ccc;
  }
  .topmenu li:last-child {
    padding-left: 0px;
  }
  .topmenu li：hover {
    background-color: transparent;
  }
  .topmenu > li.nav-item:hover span {
    color: #000;
  }
  .topmenu li a {
    padding: 8px 0;
  }
  .topmenu > li a > span {
    font-size: 18px;
  }
  .dq:after {
    width: 0;
  }

  .h100 {
    height: 100%;
  }
  .mobile_nav {
    display: none;
    width: 100%;
    background-color: #eee;
    padding: 0 20px;
  }
  .mobile_nav a {
    font-size: 16px;
    width: 100%;
    display: block;
    color: #666;
  }
  .nav_phone {
    margin: 0 auto;
  }

  .subnav_box {
    display: none;
  }
  /* 电话隐藏 */
  .nav_phone {
    /* display: none; */
  }
  /* 轮播图隐藏 */
  .container-fluid.slide {
    padding-top: 50px;
  }
}

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991.98px) {
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) and (max-width: 1199.98px) {
  .cor_business .cor_left p {
    font-size: 1rem;
  }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  .cor_business .cor_left p {
    font-size: 1.3rem;
    line-height: 1.8em;
  }
  .jiajian {
    display: none;
  }
  .mobile_nav {
    display: none;
  }
  /* .topmenu>li.active a span{
		color: rgb(255, 128, 9);
	} */
  .topmenu > li.nav-item:not(:last-child):hover a span {
    border-bottom-color: rgb(255, 128, 9);
  }
  /* .topmenu>li.nav-item:hover span{
		color: #fff;
	} */
}
@media (min-width: 1200.98px) and (max-width: 1439.98px) {
}
@media (min-width: 1440px) and (max-width: 1679.98px) {
}
@media (min-width: 1680px) {
  .cor_business .cor_left p {
    font-size: 1.7rem;
    line-height: 1.8em;
  }
}