@media screen and (max-width: 1800px) {
  .menu_main .main_li {
    margin-left: 36px;
  }
  .white_nav .nav-safe {
    padding-left: 12%;
  }
  .white_nav .yu_li {
    padding-left: 22px;
    padding-right: 98px;
  }
  .shu {
    margin: 0 38px;
  }
}
@media screen and (max-width: 1595px) {
  .white_nav .nav-safe {
    padding-left: 9%;
  }
  .white_nav .yu_li {
    padding-left: 20px;
    padding-right: 80px;
  }
  .shu {
    margin: 0 32px;
  }
}
@media screen and (max-width: 1490px) {
  .menu_main .main_li .main_a {
    font-size: 16px;
  }
  .menu_main .main_li {
    margin-left: 36px;
  }
  .shu {
    margin: 0 30px;
  }
  .menu_main .yu_li {
    margin-left: 52px;
  }
  .logo {
    width: 220px;
    height: auto;
  }
  .logo_b {
    width: 220px;
    height: auto;
  }
  .white_nav .nav-safe {
    padding-left: 4%;
  }
  .white_nav .yu_li {
    padding-left: 20px;
    padding-right: 86px;
  }
}
@media screen and (max-width: 1380px) {
  .white_nav .main_li {
    margin-left: 16px;
  }
  .white_nav .nav-safe {
    padding-left: 3%;
  }
  .white_nav .yu_li {
    padding-left: 12px;
    padding-right: 76px;
  }
}
@media screen and (max-width: 1300px) {
  .menu_main .main_li {
    margin-left: 22px;
  }
  .shu {
    margin: 0 26px;
  }
  .menu_main .yu_li {
    margin-left: 26px;
  }
  .white_nav .yu_li {
    padding-left: 12px;
    padding-right: 46px;
  }
}
@media screen and (max-width: 1150px) {
  .menu_main .main_li {
    margin-left: 12px;
  }
  .shu {
    margin: 0 12px;
  }
  .menu_main .yu_li {
    margin-left: 28px;
  }
  .white_nav .yu_li {
    padding-left: 10px;
    padding-right: 36px;
  }
}
@media screen and (max-width: 1030px) {
  .menu_main .main_li {
    margin-left: 8px;
  }
  .shu {
    margin: 0 8px;
  }
  .menu_main .yu_li {
    margin-left: 12px;
  }
  .logo {
    width: 180px;
    height: auto;
  }
  .logo_b {
    width: 180px;
    height: auto;
  }
  .white_nav .yu_li {
    padding-left: 6px;
    padding-right: 12px;
  }
}
@media screen and (max-width: 768px) {
  .nav-pc {
    display: none;
  }
  .nav-phone {
    display: block;
  }
  .head_nav {
    width: 100%;
    height: 1.16rem;
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    z-index: 1001;
  }
  .place-box{
       height: 1.16rem;
  }
  .nav-p-top {
    width: 100%;
    height: 1.16rem;
    text-align: center;
    background: #eeeeee;
  }
  .nav-p-top h1 {
    line-height: 1.23rem;
    font-weight: bold;
    font-size: 0.34rem;
    color: #000000;
    font-family: PingFang SC, PingFang SC;
  }
  .nav-p-bottom {
    width: 100%;
    /* padding: 0.28rem 0.3rem; */
    background: #fff;
    /* overflow: hidden; */
  }
  .logo-img {
    width: 3.42rem;
    height: auto;
    margin-left: 0.33rem;
  }
  .nav-img {
    width: 1.17rem;
    height: 1.17rem;
  }
  .close-img {
    display: none;
  }
  .trigger-btn img{
    width: 0.57rem;
    height: 0.57rem;
    margin-right: 0.24rem;
    vertical-align: middle;
  }

.dropdown-menu-yu {
    top: calc(100% + 0.16rem);
    min-width:1.2rem;
    padding: 0.16rem 0;
}
.dropdown-menu-yu a{
  font-size: 0.28rem;
}
  /* 菜单 */
  .m_nav_box {
    display: block;
    width: 100%;
    height: 100%;
    position: fixed;
    top: 1.16rem;
    right: -100%;
    z-index: 10;
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -o-transition: all 0.5s;
    opacity: 0;
    visibility: hidden;
    overflow: auto;
    background: #fff;
    padding-top: 0.4rem;
  }

  .hide_m_nav {
    width: 0%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
  }

  .m_nav_ul {
    width: 100%;
    margin: 0;
    padding: 0;
    height: 100%;
    list-style: none;
    /* background: rgba(16, 15, 13, 1); */
    overflow: auto;
  }

  .m_nav_ul li {
    display: inline-block;
    width: 100%;
    /* line-height: 1.6rem; */
    padding: 0 0.3rem 0 0.3rem;
    /* border-bottom: 1px solid #272727; */
  }

  .m_nav_ul li.active a {
    color: #001934;
  }

  .m_nav_ul li a {
    display: inline-block;
    width: 100%;
    line-height: 1.2rem;
    font-size: 0.36rem;
    color: #001934;
  }

  .m_nav_ul li.m_nav_ul_p {
    padding: 0;
  }

  .m_nav_ul li.m_nav_ul_p .parent_a {
    padding: 0 0.3rem;
  }

  .m_nav_ul_p .parent_a {
    position: relative;
  }

  .m_nav_ul_p.show_nav .parent_a {
    color: #D60202;
  }

  .m_nav_ul_p.show_nav .m_nav_div {
    display: inline-block;
  }

  .m_nav_ul_p .parent_a::after {
    content: "";
    width: 0.52rem;
    height: 0.52rem;
    background: url(../images/nav_arrow.png) no-repeat;
    background-size: 100% auto;
    background-position: center center;
    position: absolute;
    right: 0.2rem;
    top: 50%;
    margin-top: -0.325rem;
  }

  .m_nav_ul_p.show_nav .parent_a::after {
    content: "";
    width: 0.52rem;
    height: 0.52rem;
    background: url(../images/nav_arrow_b.png) no-repeat;
    background-size: 100% auto;
    background-position: center center;
    position: absolute;
    right: 0.52rem;
    top: 50%;
    margin-top: -0.325rem;
  }

  .m_nav_div {
    width: 100%;
    display: none;
    background: #F9F9F9;
    /* padding: 0.65rem 0; */
    /* background: rgba(16, 15, 13, 1); */
  }

  .m_nav_div div {
    padding: 0 0.3rem;
    /* border-bottom: 0.025rem solid rgb(236, 234, 234); */
  }

  .m_nav_div div:last-child {
    border: none;
  }

  .m_nav_div div a {
    line-height: 1rem;
    color: #646161;
    font-size: 0.32rem;
  }

  .m_nav_div div:nth-child(1) a {
    border: none;
  }

  .m_r_show_right {
    display: flex;
    justify-content: right;
    align-items: center;
  }

}