/*------------------------头部导航菜单---------------*/

/* nav--------------------------------------------------------------*/

.headerTop {
  /* box-shadow: 0.36vw 0.52vw 0.68vw 0.00vw rgba(0, 0, 0, 0.05); */
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  background: rgb(0 0 0 / 40%);
  z-index: 11;
}

.nav {
  width: 62.5vw;
  margin: 0 auto;
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lv1_li:hover .lv2_ul {
  display: block;
}

.tel_phone {
  display: none;
  height: 0.6rem;
  text-align: center;
  line-height: 0.6rem;
  width: 100%;
  border-bottom: 0.05vw solid #8e8e8e;
  font-size: 0.24rem;
  color: #8e8e8e;
}

.switch_phone {
  display: none;
  width: 20px;
  position: absolute;
  right: 0.4rem;
  top: 0.5rem;
  vertical-align: middle;
}

.switch_phone span {
  display: block;
  width: 20px;
  height: 2px;
  margin-bottom: 5px;
  position: relative;
  background: #000;
  border-radius: 3px;
  z-index: 1;
  -webkit-transform-origin: 20px;
  transform-origin: 20px;
  transition: background 0.5s cubic-bezier(0.77, 0.2, 0.05, 1),
    opacity 0.55s ease, transform 0.5s cubic-bezier(0.77, 0.2, 0.05, 1),
    width 0.5s;
}

.switch_phone span:nth-child(2) {
  transform: rotate(0);
  transition: width 0.5s ease;
}

.switch_phone span:nth-child(3) {
  margin-bottom: 0;
}

.toggle-animate span:nth-child(1) {
  opacity: 1;
  transform: rotate(-45deg);
}

.toggle-animate span:nth-child(2) {
  width: 0;
  opacity: 0;
  transform: rotate(0);
  transition: width 0.5s;
}

.toggle-animate span:nth-child(3) {
  opacity: 1;
  transform: rotate(45deg);
}

.nav .logo {
  /* float: left; */
  /* margin-top: 1.15vw; */
}

.nav .logo_site {
  display: none;
}

.nav .lv1_ul {
  height: 3.65vw;
  /* float: left; */
  /* position: absolute; */
  /* right: 8.33vw; */
  /* top: 0; */
}

.nav .lv1_li {
  float: left;
  position: relative;
  height: 3.65vw;
  padding: 0 1.2vw;
}

.nav .lv1_li .lv1_tit,
.lv1_home {
  display: block;
  color: #fff;
  height: 3.65vw;
  line-height: 3.65vw;
  transition: transform 0.3s ease-in-out;
  font-size: 0.83vw;
}

.nav .lv1_li::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0.78vw;
  width: 1.56vw;
  height: 0.05vw;
  background-color: #fff;
  transform-origin: center;
  transform: translate(-50%, 0) scaleX(0);
  transition: transform 0.3s ease-in-out;
  border-radius: 0.1vw;
}

.nav .lv1_li.lv1_li6::after,
.nav .lv1_li.lv1_li6 .lv1_tit::before {
  display: none;
}

.nav .lv1_li:hover a.lv1_tit,
.nav .lv1_li:hover a.lv1_home {
  /* font-weight: bold; */
}

/* .bold {
  font-weight: bold;
} */

.nav .lv1_li:hover::after {
  transform: translate(-50%, 0) scaleX(1);
}

.nav > span {
  float: right;
  height: 5vw;
  line-height: 5vw;
  font-size: 1.15vw;
  color: #333;
  font-weight: bold;
}

.nav .lv1_li .lv2_ul {
  position: absolute;
  top: 3vw;
  left: 50%;
  line-height: 2.92vw;
  margin-left: -4.17vw;
  width: 8.33vw;
  overflow: hidden;
  background: transparent;
  /* display: none; */
  /* box-shadow: 0.05vw 0.26vw 1.82vw 0.16vw rgba(0, 0, 0, 0.28); */
  border-radius: 0 0 0.31vw 0.31vw;
  /* padding: 0 1.04vw; */
  box-sizing: border-box;
  text-align: center;
  z-index: 9999;
  height: 0;
}

.nav .lv1_li .lv2_ul .lv2_li .lv2_tit:hover {
  color: #1393d2;
}

.nav .lv1_li .cur {
  height: 18.23vw;
  /* display: block; */
  padding-top: 0.52vw;
  -webkit-transition: all 0.2s ease-out 0s;
  -moz-transition: all 0.2s ease-out 0s;
  transition: all 0.2s ease-out 0s;
}

.nav .lv1_li .lv2_ul .lv2_li .lv2_tit {
  font-size: 0.83vw;
  color: #666;
  /* border-bottom: 0.05vw solid #4B4C55; */
  display: block;
  background: #fff;
  position: relative;
}

.lv2_ul .lv2_li .lv2_tit::after {
  content: "";
  width: 6.25vw;
  height: 0.05vw;
  background: #4b4c55;
  opacity: 0.1;
  position: absolute;
  bottom: 0;
  left: 50%;
  margin-left: -3.13vw;
}

.lv2_ul .lv2_li:nth-child(1) a {
  border-radius: 0.31vw 0.31vw 0 0;
}

.lv2_ul .lv2_li:last-child a {
  border-radius: 0 0 0.31vw 0.31vw;
}
.nav .logo img {
  height: 1.146vw;
}

/* .nav .lv1_li .lv2_ul .lv2_li .lv2_tit:hover {
  font-weight: bold;
} */

@media screen and (max-width: 768px) {
  .headerTop {
    position: initial;
    background: #707171;
  }
  .tel_phone {
    display: block;
  }
  .tel_pc {
    display: none;
  }
  .switch_phone {
    display: block;
  }
  .nav {
    width: 100%;
    position: relative;
    height: 1.32rem;
  }
  .nav .lv1_ul,
  .nav .lv1_li .lv1_tit::before,
  .lv1_home::before,
  .nav .lv1_li .lv1_tit::after,
  .lv1_home::after,
  .nav .lv1_li::after {
    display: none;
  }
  .nav .logo {
    margin-top: 0;
    overflow: hidden;
    height: 1.32rem;
  }
  .nav .logo img {
    width: 2.5rem;
    margin: 0.28rem 0 0 0.2rem;
  }
  .nav .lv1_ul {
    width: 100%;
    background: #16171a;
    height: auto;
    right: 0 !important;
    top: 1.32rem;
    z-index: 9999;
  }
  .nav .lv1_li {
    float: none;
    position: relative;
    height: auto;
    padding: 0;
    width: 100%;
    border-bottom: #2b2b2e 1px solid;
  }
  .nav .lv1_li .lv1_tit,
  .lv1_home {
    display: block;
    color: #fff;
    height: 0.8rem;
    line-height: 0.8rem;
    transition: transform 0.3s ease-in-out;
    font-size: 0.2rem;
    padding: 0 0.7rem 0 0.5rem;
    width: 50%;
  }
  .Has_Children b {
    border: 2px solid #777;
    display: block;
    width: 8px;
    height: 8px;
    margin: auto;
    position: absolute;
    top: 0.3rem;
    margin-top: -4px;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
    border-top: none;
    border-right: none;
    right: 20px;
  }
  .Has_Children b.actived {
    top: 20px;
    border-bottom: none;
    border-left: none;
    border-right: 2px solid #777;
    border-top: 2px solid #777;
  }
  .nav .lv1_li .lv2_ul {
    position: static;
    margin-left: 0;
    width: 100%;
    line-height: 0.8rem;
    border-radius: 0;
    padding: 0;
    background: #202124;
    text-align: left;
    height: auto;
  }
  .nav .lv1_li .lv2_ul .lv2_li .lv2_tit {
    font-size: 0.2rem;
    color: #fff;
    border-bottom: 1px solid #2b2b2e;
    display: block;
    padding: 0 0.5rem;
    background: none;
  }

  .nav .logo_site {
    display: none;
  }
  .tel_phone {
    display: block;
  }
  .tel_pc {
    display: none;
  }
  .switch_phone {
    display: block;
  }
  .nav {
    width: 100% !important;
    position: relative;
    height: 1.32rem;
  }
  .nav .lv1_ul,
  .nav .lv1_li .lv1_tit::before,
  .lv1_home::before,
  .nav .lv1_li .lv1_tit::after,
  .lv1_home::after,
  .nav .lv1_li::after {
    display: none;
  }
  .nav .logo {
    margin-top: 0;
    margin-left: 0 !important;
    display: flex;
    align-items: center;
  }
  .nav .logo img {
    width: auto;
    margin: 0 0 0 4.5vw;
    height: 4.146vw;
  }
  .nav .lv1_ul {
    width: 100%;
    background: #16171a;
    height: auto;
    position: absolute;
    right: 0 !important;
    top: 1.32rem;
    z-index: 9999;
  }
  .nav .lv1_li {
    float: none;
    position: relative;
    height: auto;
    padding: 0;
    width: 100%;
    border-bottom: #2b2b2e 1px solid;
  }
  .nav .lv1_li .lv1_tit,
  .lv1_home {
    display: block;
    color: #fff !important;
    height: 0.8rem;
    line-height: 0.8rem;
    transition: transform 0.3s ease-in-out;
    font-size: 0.2rem;
    padding: 0 0.7rem 0 0.5rem;
    width: 50%;
    font-size: 0.2rem;
  }
  .Has_Children b {
    border: 2px solid #777;
    display: block;
    width: 8px;
    height: 8px;
    margin: auto;
    position: absolute;
    top: 0.3rem;
    margin-top: -4px;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
    border-top: none;
    border-right: none;
    right: 20px;
  }
  .Has_Children b.actived {
    top: 20px;
    border-bottom: none;
    border-left: none;
    border-right: 2px solid #777;
    border-top: 2px solid #777;
  }
  .nav .lv1_li .lv2_ul {
    position: static;
    margin-left: 0;
    width: 100%;
    line-height: 0.8rem;
    border-radius: 0;
    padding: 0;
    background: #202124;
    text-align: left;
    height: auto;
  }
  .nav .lv1_li .lv2_ul .lv2_li .lv2_tit {
    font-size: 0.2rem;
    color: #fff;
    border-bottom: 1px solid #2b2b2e;
    display: block;
    padding: 0 0.5rem;
    background: none;
    border-left: none !important;
    border-right: none !important;
  }
  .lv2_ul .lv2_li:nth-child(1) a {
    border-radius: 0;
    border-top: none !important;
  }
  .lv2_ul .lv2_li:last-child a {
    border-radius: 0;
    border-bottom: none !important;
  }
  .lv2_ul .lv2_li .lv2_tit::after,
  .nav .lv1_li .lv1_tit::before,
  .lv1_home::before {
    display: none !important;
  }
}