.header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  height: 90px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px rgba(8, 68, 62, 0.3);
  transition:
    background 0.4s ease,
    box-shadow 0.4s ease,
    border-color 0.4s ease;
}
.header.scrolled {
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px rgba(8, 68, 62, 0.3);
}
.header.index-scroll-gradient {
  background: linear-gradient(
    116deg,
    rgba(10, 66, 61, 0.95) 0%,
    rgba(20, 126, 112, 0.88) 52%,
    rgba(58, 200, 170, 0.78) 100%
  );
  border-bottom-color: rgba(196, 255, 240, 0.32);
  box-shadow: 0 12px 34px rgba(6, 70, 63, 0.34);
}
.header:before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 8% 0%,
    rgba(255, 255, 255, 0.22) 0%,
    rgba(255, 255, 255, 0) 42%
  );
  pointer-events: none;
}
a:focus {
  outline: none !important;
}
.header.headerIndexBg {
  background: linear-gradient(
    116deg,
    rgba(10, 66, 61, 0.95) 0%,
    rgba(20, 126, 112, 0.88) 52%,
    rgba(58, 200, 170, 0.78) 100%
  );
  border-bottom-color: rgba(196, 255, 240, 0.32);
  box-shadow: 0 12px 34px rgba(6, 70, 63, 0.34);
  backdrop-filter: blur(14px);
}
.header .sousuo {
  display: flex;
  align-items: center;
  padding: 7px 14px;
  transition: all 0.3s ease;
}
.header .sousuo img {
  margin-left: 0 !important;
}
.header .sousuo div {
  margin-left: 8px !important;
  letter-spacing: 0.4px;
  font-weight: 600;
  font-size: 16px !important;
}
.header .header-show {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 30px;
  height: 100%;
}
/*左侧logo*/
.header .left {
  /*width: 12%;*/
  display: flex;
  /*align-items: center;*/
}
.header .left a img {
  height: 50px;
  transition:
    transform 0.35s ease,
    filter 0.35s ease;
  filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.2));
}
.header .left a:hover img {
  transform: translateY(-1px) scale(1.02);
}
.header .left .img2 {
  display: none;
}
/*右侧*/
.header .nav {
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -o-transition: 0.5s;
  transition: 0.5s;
  /*height: 100%;*/
  line-height: 90px;
  /* width: 100%; */
  display: flex;
  flex: 1;
}
.header .nav-box {
  line-height: 90px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
}
.header .navbar_nav {
  padding-left: 20px;
}
.header .navbar_nav li {
  float: left;
  position: relative;
  display: block;
  margin: 0 2px;
}
.header .navbar_nav li:after {
  content: "";
  width: calc(100% - 18px);
  height: 2px;
  background: linear-gradient(
    90deg,
    rgba(170, 255, 233, 0),
    #b8ffe8 35%,
    #b8ffe8 65%,
    rgba(170, 255, 233, 0)
  );
  position: absolute;
  bottom: 20px;
  left: 9px;
  transition: all 0.35s ease;
  transform: scaleX(0);
  transform-origin: center;
  opacity: 0;
}
.header .navbar_nav li:hover:after {
  transform: scaleX(1);
  opacity: 1;
}
.header .navbar_nav li a {
  text-decoration: none;
  height: 100%;
  padding: 0 16px;
  display: block;
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -o-transition: 0.5s;
  transition: all 0.35s ease;
  color: rgba(255, 255, 255, 0.92);
  /*font-size: 18px;*/
  font-size: 16px;
  text-align: center;
  font-weight: 500;
  letter-spacing: 0.2px;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
}
.header .navbar_nav li.active a,
.header .navbar_nav li:hover a {
  color: #ffffff;
}
.header .navbar_nav li.dropdown {
  display: inherit;
  position: relative;
  text-align: center;
}
.header .navbar_nav li.dropdown .jt {
  width: 20px;
  height: 20px;
  background: url(i/top.png) no-repeat;
  background-size: 100% 100%;
  display: block;
}
.header .navbar_nav li.dropdown .dropdown_menu {
  display: block;
  position: absolute;
  top: 78px;
  min-width: 168px;
  padding: 10px 0;
  width: max-content;
  background: #ffffff;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 14px;
  box-shadow: 0 18px 35px rgba(10, 27, 63, 0.18);
  left: 0%;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px) scale(0.98);
  transform-origin: top center;
  transition:
    opacity 0.28s ease,
    transform 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0.28s ease;
}
.header.headerIndexBg .navbar_nav li.dropdown .dropdown_menu {
  border: 1px solid rgba(21, 141, 121, 0.2);
}
.header .navbar_nav li.dropdown .dropdown_menu a {
  font-size: 14px;
  color: #3e4e67;
  line-height: 42px;
  text-align: left;
  background: transparent;
  margin-bottom: 0;
  padding: 0 20px;
  transition: all 0.28s ease;
}
.header .navbar_nav li.dropdown:hover .dropdown_menu {
  background: rgba(255, 255, 255, 0.96);
}
.header .navbar_nav li.dropdown:hover .dropdown_menu:has(a) {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}
.header .navbar_nav li.dropdown:hover .dropdown_menu a {
  color: #3e4e67;
}
.header .navbar_nav li.dropdown:hover .dropdown_menu a:hover {
  color: #ffffff;
  background: rgba(47, 122, 249, 0.8);
  padding-left: 24px;
}
.header.headerIndexBg .navbar_nav li.dropdown:hover .dropdown_menu a:hover {
  color: #0b7b69;
  background: rgba(39, 192, 159, 0.14);
}

.header .header-show .nav .nav-show .navbar_nav {
  padding-left: 40px;
}

@media screen and (min-width: 993px) and (max-width: 1439px) {
  .header .header-show .nav .nav-show .navbar_nav {
    padding: 0;
  }
  .header .navbar_nav li a {
    text-decoration: none;
    height: 100%;
    padding: 0 14px;
    display: block;
    -webkit-transition: 0.5s;
    -moz-transition: 0.5s;
    -o-transition: 0.5s;
    transition: 0.5s;
    color: #fff;
    /*font-size: 18px;*/
    font-size: 16px;
    text-align: center;
  }
  .header .navbar_nav li.dropdown {
    display: inherit;
    position: relative;
    text-align: center;
  }
  .header .navbar_nav li.dropdown .dropdown_menu a {
    padding-left: 10px;
  }
}

/*白色背景的头部*/
.header.on {
  background: linear-gradient(
    116deg,
    rgba(10, 66, 61, 0.95) 0%,
    rgba(20, 126, 112, 0.88) 52%,
    rgba(58, 200, 170, 0.78) 100%
  );
  border-bottom-color: rgba(196, 255, 240, 0.32);
  box-shadow: 0 12px 34px rgba(6, 70, 63, 0.34);
}
.header.on .left .img1 {
  display: none;
}
.header.on .left .img2 {
  display: block;
}
.header.on .navbar_nav li a {
  color: #fff;
}
.header.on .navbar_nav li:hover a {
  color: #fff;
}
.header.on .sousuo {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.38);
}
#navToggle {
  display: none;
}

.m_nav {
  position: fixed;
  top: 0px;
  box-shadow: 0 18px 36px rgba(15, 39, 88, 0.24);
  width: 100%;
  height: 100%;
  background: linear-gradient(155deg, #ffffff 0%, #f5f9ff 100%);
  transition: all ease 0.5s;
  -webkit-transition: all ease 0.5s;
  z-index: 1000;
  opacity: 1;
  visibility: visible;
  margin-top: 0;
  overflow-y: auto;
  transition: all 0.6s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
  top: 0;
  transform: translateX(100%);
}
.m_nav.open {
  transform: translateX(0);
}
.m_nav .top {
  height: 60px;
  padding: 20px;
  box-sizing: border-box;
}
.m_nav .top .closed {
  width: 30px;
  height: 30px;
  vertical-align: middle;
  float: right;
  cursor: pointer;
}
.m_nav .logo {
  width: 100%;
  margin: 0 auto;
}
.m_nav .logo img {
  height: 50px;
  display: block;
  margin: 30px auto;
}
/* .m_nav .ul{
	margin-top: 30px;
} */
.m_nav .ul li {
  padding: 0 20px;
  border-bottom: 1px solid rgba(20, 98, 192, 0.08);
  transform: translateY(0);
  -webkit-transform: translateY(100%);
  transform: translateY(100%);
  -webkit-transition: all 0.6s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
  transition: all 0.6s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
  opacity: 0;
}
.m_nav.open .ul li {
  opacity: 1;
  -webkit-transform: translateY(0);
  transform: translateY(0);
}
.m_nav .ul li:nth-child(1) {
  -webkit-transition: all 0.2s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
  transition: all 0.2s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
}
.m_nav .ul li:nth-child(2) {
  -webkit-transition: all 0.4s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
  transition: all 0.4s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
}
.m_nav .ul li:nth-child(3) {
  -webkit-transition: all 0.6s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
  transition: all 0.6s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
}
.m_nav .ul li:nth-child(4) {
  -webkit-transition: all 0.8s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
  transition: all 0.8s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
}
.m_nav .ul li:nth-child(5) {
  -webkit-transition: all 1s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
  transition: all 1s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
}
.m_nav .ul li:nth-child(6) {
  -webkit-transition: all 1.2s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
  transition: all 1.2s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
}
.m_nav .ul li a {
  display: block;
  text-decoration: none;
  color: #223656;
  font-size: 16px;
  height: 50px;
  line-height: 50px;
  width: 100%;
  font-weight: 500;
}
.m_nav .ul li a:hover {
  color: #0f58ca;
}
.m_nav .ul li .dropdown_menu {
  display: none;
}
.m_nav .ul li.dropdown.active .dropdown_menu {
  display: block;
}
.m_nav .ul li .dropdown_menu a {
  display: block;
  height: 50px;
  line-height: 50px;
  padding: 0 40px;
  box-sizing: border-box;
  border-bottom: 1px solid #f5f5f5;
}
.m_nav .ul li .dropdown_menu a:last-child {
  border: none;
}
.banner {
  width: 100%;
}
.banner img {
  width: 100%;
}

@media screen and (max-width: 1050px) {
  .header {
    padding: 0 10px;
    height: 60px;
    background: linear-gradient(
      120deg,
      rgba(7, 58, 54, 0.94) 0%,
      rgba(18, 121, 106, 0.84) 52%,
      rgba(57, 193, 164, 0.78) 100%
    );
    border-bottom-color: rgba(196, 255, 240, 0.3);
  }
  .header #navToggle {
    height: 100%;
    padding: 9px 15px;
    margin-right: -15px;
    display: block;
    float: right;
  }
  .header #navToggle span {
    position: relative;
    width: 25px;
    height: 1px;
    margin-top: 19px;
  }
  .header #navToggle span:before,
  .header #navToggle span:after {
    content: "";
    position: relative;
    width: 100%;
    height: 1px;
    left: 0;
  }
  .header #navToggle span,
  .header #navToggle span:before,
  .header #navToggle span:after {
    -webkit-transition: 0.3s;
    -moz-transition: 0.3s;
    -o-transition: 0.3s;
    transition: 0.3s;
    display: block;
    background: #ffffff;
  }
  .header #navToggle span:before {
    top: 8px;
  }
  .header #navToggle span:after {
    bottom: 10px;
  }
  .header #navToggle.open span:before {
    top: 10px;
    -webkit-transform: translateY(-11px) rotate(-45deg);
    -moz-transform: translateY(-11px) rotate(-45deg);
    -ms-transform: translateY(-11px) rotate(-45deg);
    -o-transform: translateY(-11px) rotate(-45deg);
    transform: translateY(-11px) rotate(-45deg);
  }
  .header #navToggle.open span:after {
    bottom: 12px;
    -webkit-transform: translateY(10px) rotate(45deg);
    -moz-transform: translateY(10px) rotate(45deg);
    -ms-transform: translateY(10px) rotate(45deg);
    -o-transform: translateY(10px) rotate(45deg);
    transform: translateY(10px) rotate(45deg);
  }
  .header #navToggle.open span {
    background: none;
  }
  .header #navToggle.open span:before,
  .header #navToggle.open span:after {
    background: #ffffff;
  }

  .header .nav-box {
    display: none;
  }
  .header .sousuo {
    display: none;
  }

  .banner img {
    height: 600px;
    object-fit: cover;
  }
}