/**/
@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: 1.1rem;
  }

  .header {
    padding: 0.1rem 0.15rem;
    font-size: 0.14rem;
    line-height: 0.3rem;
  }
  .hidden-xs,
  .header .nav {
    display: none;
  }
  .visible-xs {
    display: block;
  }

  /**/
  .tab li {
    margin-right: 0;
    flex: 1;
    text-align: center;
  }
  .tab,
  .homepage .a {
    font-size: 0.14rem;
  }
  .homepage .title {
    font-size: 0.32rem;
    line-height: 0.4rem;
  }
  .homepage .a {
    line-height: 0.22rem;
    padding: 1.2rem 0 0.4rem;
    margin-top: -0.8rem;
    position: relative;
    z-index: 10;
  }
  .homepage .a li dt {
    font-size: 0.18rem;
  }
  .homepage .a li {
    margin-top: 0.3rem;
  }
  .homepage .b {
    padding: 1.2rem 0 0.4rem;
    margin-top: -0.8rem;
    position: relative;
    background: #fff;
    z-index: 9;
  }
  .homepage .b .bd {
    display: block;
    line-height: 0.3rem;
    margin-top: 0.2rem;
    font-size: 0.14rem;
  }
  .homepage .b .bd li {
    padding: 0.2rem 0;
  }
  .homepage .b .bd dt {
    font-size: 0.24rem;
  }
  .homepage .b .bd dd {
    margin-top: 0.1rem;
  }
  .homepage .b .bd .side {
    margin: 0;
  }
  .homepage .b .bd li:last-child {
    border-bottom: 1px solid #dae0eb;
  }
  .homepage .c {
    padding: 1.2rem 0 0.4rem;
    margin-top: -0.8rem;
  }
  .homepage .c .hd {
    font-size: 0.14rem;
    margin-top: 0.2rem;
    line-height: 0.24rem;
  }
  .homepage .c .bd li dt {
    font-size: 0.64rem;
    line-height: 1rem;
  }
  .homepage .c .bd {
    font-size: 0.14rem;
  }
  .homepage .c .bd li {
    margin-top: 0.3rem;
  }
  .homepage .d {
    padding-top: 0.4rem;
  }
  .homepage .d .bd .box {
    padding-bottom: 0.9rem;
  }
  .homepage .d .bd .box a + a {
    margin-left: 0.15rem;
  }
  .homepage .d .bd .box a {
    width: 1.3rem;
    font-size: 0.14rem;
    height: 0.4rem;
  }
  .homepage .d .bd .box p,
  .homepage .d .bd {
    margin-top: 0.3rem;
  }
  .tab {
    padding-top: 0.15rem;
    padding-bottom: 0;
    top: 0.5rem;
  }
  .banner {
    font-size: 0.12rem;
  }
  .banner .bd .box {
    line-height: 0.18rem;
    margin-bottom: 0.15rem;
  }
  .banner .bd {
    padding-bottom: 0.2rem;
  }
  .banner > img {
    height: 4rem;
  }
  .header .nav {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    width: 100%;
    background: #f10808;
  }
  .header .nav > li {
    margin: 0;
    padding: 0.1rem 0;
    text-align: center;
  }
  .dialog {
    padding: 0.15rem;
  }
  .dialog .input,
  .dialog textarea {
    font-size: 0.14rem;
  }
  .dialog1 {
    font-size: 0.2rem;
    padding: 0.4rem 1rem 0.4rem 0.3rem;
  }
  .footer {
    font-size: 0.12rem;
    line-height: 0.2rem;
  }
}