/**/
@media screen and (min-width: 1921px) and (max-width: 4000px) {
  html {
    font-size: 120px;
  }
}
@media screen and (min-width: 1441px) and (max-width: 1600px) {
  html {
    font-size: 90px;
  }
}
@media screen and (min-width: 1201px) and (max-width: 1440px) {
  html {
    font-size: 80px;
  }
}
@media screen and (min-width: 981px) and (max-width: 1200px) {
  html {
    font-size: 70px;
  }
}
@media screen and (min-width: 769px) and (max-width: 980px) {
  .header .nav {
    display: none;
  }

  .container {
    width: 100%;
    padding: 0 15px;
    max-width: 100%;
  }

  .hidden-xs {
    display: none;
  }
  .visible-xs {
    display: block;
  }
}

/**/
@media (max-width: 768px) {
  .m_nav {
    position: absolute;
    right: 15px;
    top: 16px;
    width: 25px;
    z-index: 99;
  }
  .m_nav i {
    display: block;
    height: 2px;
    background: #fff;
    margin-bottom: 6px;
  }

  .cross i:nth-of-type(1) {
    -webkit-transform: translateY(8px) rotate(-45deg);
    -ms-transform: translateY(8px) rotate(-45deg);
    transform: translateY(8px) rotate(-45deg);
  }
  .cross i:nth-of-type(2) {
    opacity: 0;
  }
  .cross i:nth-of-type(3) {
    -webkit-transform: translateY(-8px) rotate(45deg);
    -ms-transform: translateY(-8px) rotate(45deg);
    transform: translateY(-8px) rotate(45deg);
  }

  .container {
    width: 100%;
    padding: 0 15px;
    max-width: 100%;
  }
  .header > .flex > .search {
    display: none;
  }
  .header .logo img {
    width: 1.9rem;
  }

  .header {
    padding: 0.1rem 0.15rem;
    font-size: 0.14rem;
  }
  .hidden-xs,
  .header .nav {
    display: none;
  }
  .visible-xs {
    display: block;
  }

  /**/
  .rightside,
  .homepage .banner .down {
    display: none;
  }
  .homepage .banner .swiper-slide > img {
    height: 4rem;
  }
  .homepage,
  .homepage .a .flex .search input,
  .homepage .a .flex .search button,
  .homepage .c .bd p,
  .homepage .d ol li {
    font-size: 0.14rem;
  }
  .homepage .banner .group {
    width: 100%;
    height: 0.5rem;
    right: 0;
  }
  .homepage .a .flex {
    display: block;
  }
  .homepage .a .flex .search {
    width: 100%;
    margin-bottom: 0.15rem;
  }
  .homepage .a a {
    margin-right: 0.15rem;
  }
  .homepage .a a + a {
    margin-left: 0;
  }
  .homepage .b ul,
  .homepage .c .bd {
    display: block;
  }
  .homepage .b ul li {
    width: 100%;
  }
  .homepage .c .hd {
    display: block;
  }
  .homepage .c .hd .tab {
    margin-top: 0.2rem;
  }
  .homepage .c .hd .tab li {
    width: auto;
    font-size: 0.15rem;
    flex: 1;
    margin: 0;
  }
  .homepage .c .side {
    width: 100%;
    margin: 0 0 0.15rem 0;
  }
  .homepage .c .bd .pic dl dd,
  .homepage .c .bd li h4,
  .homepage .d ul li h4 {
    font-size: 0.15rem;
  }
  .homepage .c .bd li a {
    padding: 0.15rem;
  }
  .homepage .c .bd li dl {
    font-size: 0.14rem;
    width: auto;
    padding-right: 0.15rem;
  }
  .homepage .c,
  .homepage .d {
    padding: 0.4rem 0;
  }
  .homepage .title_common h2 {
    font-size: 0.22rem;
  }

  .homepage .d .info {
    display: block;
  }
  .homepage .d ul li .pic {
    width: 1.3rem;
  }
  .homepage .d ul li span {
    display: none;
  }
  .homepage .d ul li p {
    margin-top: 0.1rem;
  }
  .homepage .d .info .side {
    width: 100%;
    padding: 0;
    margin: 0.3rem 0 0;
    border: none;
  }
  .homepage .e {
    padding: 0.4rem 0;
  }
  .homepage .e .swiper-slide-active {
    transform: scale(1);
  }
  .homepage .e .swiper-slide {
    margin: 0.3rem 0;
  }
  .homepage .e .swiper-slide .pic img {
    height: 4rem;
  }
  .homepage .e .ft .btn {
    width: 100%;
    font-size: 0.14rem;
    height: 0.5rem;
  }
  .homepage .f {
    padding: 0.4rem 0;
  }
  .homepage .f .info {
    display: block;
  }
  .homepage .f .side {
    width: 100%;
    margin: 0.4rem 0 0;
  }
  .homepage .f .bd ul li {
    width: 33.333%;
  }
  .homepage .g {
    height: auto;
    padding: 0.4rem 0;
  }
  .homepage .g .flex {
    display: block;
  }
  .homepage .g .flex_item {
    padding: 0 0 0.1rem 0;
  }
  .homepage .g .title_common p {
    margin-bottom: 0.3rem;
  }
  .homepage .h .bd ul li {
    width: 50%;
  }
  .footer {
    font-size: 0.12rem;
  }
  .footer .link {
    font-size: 0.12rem;
    flex-wrap: wrap;
    line-height: 0.3rem;
  }
  .footer .link li {
    padding: 0;
    width: 20%;
  }
  .footer .bd {
    display: block;
  }
  .footer .bd .box {
    margin-bottom: 0.15rem;
  }
  .searchdialog {
    display: none;
  }
}