html {
  --default-h: 120px;
  --header-height: 120px;
  --header-small-height: 120px;
}
@media (max-width: 1200px) {
  html {
    --default-h: calc(1.7rem + 0px);
    --header-height: calc(1.7rem + 0px);
  }
}
/**头部导航**/
.header-box {
  position: fixed;
  top: 0;
  z-index: 9;
  width: 100%;
  height: var(--default-h);
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0));
  transition: transform 0.4s ease;
}
#header {
  --color: #ffffff;
  --hover-color: var(--main-color);
  background-color: transparent;
  color: var(--color);
  transition: all 0.4s ease;
}
#header .top {
  --h: 44px;
  --c: rgba(255, 255, 255, 0.8);
  position: relative;
  background-color: transparent;
  line-height: var(--h);
  color: var(--c);
  transition: background 0.3s, color 0.3s;
}
#header .top::after {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  top: 100%;
  width: 100%;
  height: 1px;
  background-color: #ffffff;
  opacity: 0.2;
}
#header .top .phone-box {
  font-size: 16px;
}
#header .top .right-box {
  font-size: 14px;
}
#header .top .right-box .line {
  margin: 0 1.8em;
  height: 14px;
  width: 1px;
  background-color: var(--c);
  opacity: 0.8;
}
#header .top .language-box {
  position: relative;
}
#header .top .language-box .flex-box .self-svg {
  --size: 1.15em;
  --fill: var(--c);
}
#header .top .language-box .flex-box .flex-word {
  margin-left: 0.6em;
}
#header .top .language-box .language-list {
  position: absolute;
  right: 0;
  top: 100%;
  z-index: 2;
  word-break: keep-all;
  background-color: #ffffff;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  text-align: center;
  line-height: 1.4em;
  color: #777777;
  margin-top: -10px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, margin 0.3s;
}
#header .top .language-box .language-list .language-li:last-child .language-word {
  border-bottom: 0 none;
}
#header .top .language-box .language-list .language-word {
  display: block;
  position: relative;
  border-bottom: 1px solid #ddd;
  padding: 0.5em 1em;
}
#header .top .language-box .language-list .language-word::after {
  content: '';
  display: block;
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 1px;
  background: var(--main-color);
  transition: width 0.3s;
}
#header .top .language-box .language-list .language-word:hover {
  color: var(--main-color);
}
#header .top .language-box .language-list .language-word:hover::after {
  width: 100%;
}
#header .top .language-box:hover .language-list {
  margin-top: 0;
  opacity: 1;
  pointer-events: auto;
}
#header .top .form-type-a {
  --color: var(--c);
}
#header .logo-box {
  transition: all 0.3s;
  height: var(--h);
}
#header .logo-box .imgs {
  position: relative;
}
#header .logo-box .imgs img {
  display: block;
  height: clamp(15px, calc(var(--h)*0.5), 36px);
  transition: height 0.3s;
}
#header .logo-box .imgs .i {
  opacity: 0;
}
#header .logo-box .imgs .i_h {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  opacity: 1;
}
@media (min-width: 1201px) {
  .no-banner .header-box {
    position: sticky;
  }
  #header .bot {
    --h: 76px;
  }
  #header .menu-block .wrap-1720 {
    width: 100%;
  }
  #header .menu-block .menu {
    --i-h: var(--h);
    --pad: 20px;
    --pad-mini: 4px;
    font-size: 18px;
    line-height: var(--i-h);
    transition: all 0.3s;
  }
  #header .menu-block .menu .menu-son {
    position: relative;
    background: transparent;
  }
  #header .menu-block .menu .menu-son + .menu-son {
    margin-left: calc(var(--pad) - var(--pad-mini)*2);
  }
  #header .menu-block .menu .menu-son:hover .menu-title,
  #header .menu-block .menu .menu-son.on .menu-title {
    color: var(--main-color);
  }
  #header .menu-block .menu .menu-son:hover .menu-title::after,
  #header .menu-block .menu .menu-son.on .menu-title::after {
    width: 100%;
  }
  #header .menu-block .menu .menu-son:hover {
    z-index: 2;
  }
  #header .menu-block .menu .menu-son:hover .sub-block {
    margin-top: 0;
    opacity: 1;
    pointer-events: auto;
  }
  #header .menu-block .menu .menu-title {
    padding: 0 var(--pad-mini);
    text-align: center;
  }
  #header .menu-block .menu .menu-title::after {
    content: "";
    display: block;
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 0;
    height: 2px;
    background-color: var(--main-color);
    transition: width 0.3s;
  }
  #header .menu-block .menu .sub-icon {
    display: none;
  }
  #header .menu-block .menu .sub-block {
    display: block!important;
    margin-top: 10px;
    position: absolute;
    left: 50%;
    top: 90%;
    transform: translateX(-50%);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    width: auto;
    min-width: 100%;
    background: #ffffff;
    padding: 0.75em 0;
    padding: 0;
    word-break: keep-all;
    white-space: nowrap;
    text-align: center;
    font-size: 0.88em;
    line-height: 1.6em;
    color: #666666;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s, margin 0.5s;
  }
  #header .menu-block .menu .sub-block .menu-list-li {
    position: relative;
  }
  #header .menu-block .menu .sub-block .sub-sub-li:last-child>a::before ,
  #header .menu-block .menu .sub-block .sub-sub-li:last-child>a::after ,
  #header .menu-block .menu .sub-block .menu-list-li:last-child>a::before ,
  #header .menu-block .menu .sub-block .menu-list-li:last-child>a::after {
    display: none;
  }
  #header .menu-block .menu .sub-block a {
    display: block;
    position: relative;
    padding: 0.7em 2em;
    transition: color 0.3s;
  }
  #header .menu-block .menu .sub-block a::before {
    content: '';
    display: block;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background-color: #eeeeee;
    transition: width 0.3s;
  }
  #header .menu-block .menu .sub-block a::after {
    content: '';
    display: block;
    position: absolute;
    left: 0;
    bottom: -1px;
    bottom: 0;
    width: 0;
    height: 1px;
    background-color: var(--main-color);
    transition: width 0.3s;
  }
  #header .menu-block .menu .sub-block .menu-list-li:hover>a ,
  #header .menu-block .menu .sub-block .sub-sub-title:hover>a ,
  #header .menu-block .menu .sub-block .sub-sub-li:hover>a {
    color: var(--main-color);
  }
  #header .menu-block .menu .sub-block .menu-list-li:hover>a::after ,
  #header .menu-block .menu .sub-block .sub-sub-title:hover>a::after ,
  #header .menu-block .menu .sub-block .sub-sub-li:hover>a::after {
    width: 100%;
  }
  #header .menu-block .menu .menu-list-title:hover .sub-sub-menu ,
  #header .menu-block .menu .menu-list-li:hover .sub-sub-menu {
    margin-left: -10px;
    opacity: 1;
    pointer-events: auto;
  }
  #header .menu-block .menu .sub-sub-menu {
    display: block!important;
    margin-left: -15px;
    position: absolute;
    left: 100%;
    top: 0;
    box-shadow: 5px 0 5px rgba(0, 0, 0, 0.1);
    border-radius: 0 10px 10px 10px;
    width: auto;
    min-width: 100%;
    background: #ffffff;
    padding: 0;
    word-break: keep-all;
    white-space: nowrap;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s, margin 0.5s;
  }
  /* #header .menu-block .menu .sub-sub-li {
    font-size: 0.9em;
    line-height: 1.6em;
  }
  #header .menu-block .menu .sub-sub-li a {
    padding-top: .5em;
    padding-bottom: .5em;
  } */
  #header .search-btn {
    display: none;
  }
  #header .phone-menu {
    display: none;
  }
  #header .form-type-a {
    --height: 30px;
  }
  .small-header .header-box {
    transform: translateY(-44px);
  }
  .small-header #header .menu-block .menu {
    font-size: 16px;
  }
  .small-header #header .menu-block .menu .sub-block {
    /* padding: 0.5em 0; */
  }
  .small-header #header .menu-block .menu .sub-block a {
    padding: 0.5em 2em;
  }
  .small-header.show-header .header-box {
    transform: translateY(0);
  }
}
@media (min-width: 1201px) and (max-width: 1500px) {
  #header .menu-block .menu {
    --pad: 30px;
    font-size: 16px;
  }
}
.no-banner #header,
.small-header #header {
  --color: #333333;
  background-color: #ffffff;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}
.no-banner #header .top,
.small-header #header .top {
  background-color: var(--main-color);
}
.no-banner #header .logo-box .imgs .i,
.small-header #header .logo-box .imgs .i {
  opacity: 1;
}
.no-banner #header .logo-box .imgs .i_h,
.small-header #header .logo-box .imgs .i_h {
  opacity: 0;
}
.no-banner .phone-menu .phone-menu-i,
.small-header .phone-menu .phone-menu-i {
  background-color: #666666;
}
.phone-menu {
  --background-color: #333333;
  display: flex;
  position: relative;
  width: 22px;
  height: 12px;
}
.phone-menu .phone-menu-i {
  display: block;
  position: absolute;
  top: 50%;
  left: 0%;
  margin-top: -1px;
  transform: rotate(0);
  -webkit-transform: rotate(0);
  -moz-transform: rotate(0);
  -ms-transform: rotate(0);
  -o-transform: rotate(0);
  width: 100%;
  height: 2px;
  background-color: var(--background-color);
  opacity: 1;
  transition: all 0.3s;
}
.phone-menu .phone-menu-i.i1 {
  margin-top: -6px;
}
.phone-menu .phone-menu-i.i3 {
  margin-top: 4px;
}
.menu-show .phone-menu {
  --background-color: var(--main-color);
}
.menu-show .phone-menu .phone-menu-i {
  background-color: var(--background-color);
}
.menu-show .phone-menu .phone-menu-i.i1 {
  margin-top: -1px;
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  -o-transform: rotate(45deg);
}
.menu-show .phone-menu .phone-menu-i.i2 {
  opacity: 0;
}
.menu-show .phone-menu .phone-menu-i.i3 {
  margin-top: -1px;
  transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
}
@media (max-width: 1200px) {
  .phone-menu {
    display: flex;
    position: relative;
    width: 0.46rem;
    height: 24px;
  }
  .phone-menu .phone-menu-i {
    margin-top: -1px;
  }
  .phone-menu .phone-menu-i.i1 {
    margin-top: -9px;
  }
  .phone-menu .phone-menu-i.i3 {
    margin-top: 7px;
  }
}
@media (max-width: 1200px) {
  .header-box {
    position: sticky;
  }
  #header {
    background-color: #ffffff;
    border-bottom: 1px solid #ddd;
  }
  #header .logo-box .imgs img {
    margin-bottom: 3%;
    width: auto;
  }
  #header .logo-box .imgs .i {
    opacity: 1;
  }
  #header .logo-box .imgs .i_h {
    opacity: 0;
  }
  #header .top {
    --h: 0.7rem;
    background-color: var(--main-color);
    font-size: 0.3rem;
  }
  #header .top .phone-box {
    font-size: 0.3rem;
  }
  #header .top .right-box .line {
    margin: 0 0 0 1em;
    height: 1em;
  }
  #header .top .form-type-a {
    --color: #ccc;
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 2;
    width: 100%;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s, transform 0.8s ease;
  }
  #header .bot {
    --h: 1rem;
  }
  #header .search-btn {
    display: block;
  }
  #header .search-btn .self-svg {
    --w: var(--h);
    --size: 55%;
    --fill: #ffffff;
    width: var(--w);
    height: var(--w);
    justify-content: flex-end;
  }
  #header .phone-menu {
    display: block;
  }
  #header .menu-block {
    position: fixed;
    left: 0;
    top: var(--header-height);
    transform: translateX(-100%);
    width: 100%;
    height: calc(100vh - var(--header-height));
    opacity: 0;
    overflow-y: auto;
    background-color: #ffffff;
    pointer-events: none;
    transition: opacity 0.4s, transform 0.8s ease;
  }
  #header .menu-block .menu {
    --default-color: #666666;
    flex-wrap: wrap;
    color: var(--default-color);
  }
  #header .menu-block .menu .menu-son {
    border-bottom: 1px solid #e5e5e5;
    width: 100%;
  }
  #header .menu-block .menu .menu-son .menu-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 0.1rem;
    font-size: 0.32rem;
    line-height: 0.84rem;
  }
  #header .menu-block .menu .menu-son .menu-title .sub-icon {
    height: 0.7rem;
    width: 0.7rem;
  }
  #header .menu-block .menu .menu-son .menu-title .sub-icon svg {
    transform: scaleY(1);
    width: 0.3rem;
    height: 0.3rem;
    transition: transform 0.3s;
  }
  #header .menu-block .menu .menu-son .menu-title.on .sub-icon svg {
    transform: scaleY(-1);
    fill: var(--active-color);
  }
  #header .menu-block .menu .sub-block {
    color: #999999;
    display: none;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding: 0.12rem 0.1rem;
    font-size: 0.3rem;
  }
  #header .menu-block .menu .sub-block .pad {
    width: 100%;
  }
  #header .menu-block .menu .sub-block .menu-list-li {
    /* margin: 0.5em 0.5em; */
  }
  #header .menu-block .menu .sub-block .menu-list-li>a{
    display: block;
    padding: .5em;
  }
  #header .menu-block .menu .sub-block .sub-sub-title {
    display: none;
  }
  #header .menu-block .menu .sub-block .sub-sub-menu {
    margin: -.05rem -.1rem 0;
    padding: .3em .2rem;
    background: #fafafa;
  }
  #header .menu-block .menu .sub-block .sub-sub-li {
  }
  #header .menu-block .menu .sub-block .sub-sub-menu a {
    display: block;
    padding: .3em .8em;
  }
  .menu-show #header .menu-block {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
  }
  .search-show #header .form-type-a {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
}