body {
  font-family: Helvetica Neue, Helvetica, PingFang SC, Tahoma, Arial, sans-serif;
}

.head-white {
  width: 100%;
  height: 100px;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  width: 100%;
  height: 100px;
  background-color: #ffffff;
  transition: top 0.3s ease;
}

header .head {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
}

header .head .logo {
  display: block;
  height: 80px;
}

header .head .logo img {
  width: 100%;
  height: 100%;
}

header .head .menu {
  display: flex;
  align-items: center;
  height: 100%;
  margin-left: 4.6875vw;
}

header .head .menu li a {
  display: inline-block;
  height: 100%;
  line-height: 100px;
  font-size: 16px;
  color: #787E80;
  padding: 0 1.0417vw;
}

header .head .menu .tj {
  position: relative;
}

header .head .menu .tj .title {
  position: relative;
  display: inline-block;
  height: 100%;
  line-height: 100px;
  font-size: 16px;
  color: #787E80;
  padding: 0 1.0417vw;
  cursor: pointer;
}

header .head .menu .tj .title:hover {
  color: #2B1E1A !important;
}

header .head .menu .tj .hide {
  width: max-content;
  display: none;
  position: absolute;
  left: 0;
  background: #ffffff;
  padding: 5px 20px;
}

header .head .menu .tj .hide a {
  display: block;
  height: auto;
  line-height: normal;
  font-size: 14px;
  color: #787E80;
  padding: 0;
  margin-bottom: 10px;
  cursor: pointer;
}

header .head .menu .tj .hide a:hover {
  color: #2B1E1A !important;
}

header .head .menu .tj:hover .hide {
  display: block;
}


header .head .menu li span {
  font-size: 16px;
  margin: 0 5px;
}

header .head .menu li a:hover {
  color: #2B1E1A;
}

header .head .menu .contact a {
  margin-left: 25px;
  border-radius: 30px;
  border: 1px solid #000;
  line-height: 2.1875vw;
}

header .head .menu .contact a:hover {
  background-color: #000;
  color: #ffffff;
}

header .head .header-language {
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  /* // 90px */
  margin-left: 4.6875vw;
  cursor: pointer;
}

header .head .header-language .languagehei {
  width: 22px;
  height: 22px;
}


header .head .header-language p {
  color: #787E80;
  /* // 10px */
  margin-left: 0.5208vw;
  margin-right: 4px;
  font-weight: 400;
  /* 16px */
  font-size: 16px;
  line-height: 32px;
  text-align: left;
  font-style: normal;
  text-transform: none;
}

header .head .header-language .hide-language {
  position: absolute;
  top: 100px;
  left: 0;
  z-index: 888;
  width: 100%;
  height: auto;
  background-color: rgba(255, 255, 255, .8);
  visibility: hidden;
  opacity: 0;
  transition: all .4s;
}

header .head .header-language:hover .hide-language {
  visibility: visible;
  opacity: 1;
}

header .head .header-language .hide-language a {
  display: block;
  width: 100%;
  height: auto;
  padding: 10px;
  font-size: 14px;
}


@media (max-width: 1390px) {
  header .head .menu li a {
    font-size: 14px;
  }

  header .head .header-language p {
    font-size: 14px;
  }

  header .head .menu .tj .title {
    font-size: 14px;
  }
}

@media (max-width: 1250px) {
  header .head .menu li a {
    font-size: 12px;
  }
}

@media (max-width: 1200px) {
  header .head .logo {
    /* 80px */
    height: 4.1667vw;
  }
}

@media (max-width: 1025px) {
  header .head .header-language p {
    font-size: 10px;
  }

  header .head .menu li a {
    font-size: 10px;
  }

  header .head .menu .tj .title {
    font-size: 10px;
  }
}


.banner {
  width: 100%;
  height: 26.0417vw;
}

.banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

header .head .phone-btn {
  display: none;
}

header .head .phone-box {
  display: none;
}

@media (max-width: 960px) {
  .head-white {
    height: 1.6rem;
  }

  header {
    height: 1.6rem;
  }

  header .head {
    justify-content: space-between;
    padding: 0 0.42666667rem;
  }

  header .head .logo {
    display: block;
    height: 100%;
  }

  header .head .menu {
    display: none;
  }

  header .head .phone-btn {
    display: block;
    width: 0.8rem;
    height: 0.8rem;
  }

  header .head .phone-btn img {
    width: 100%;
    height: 100%;
  }

  header .head .phone-box {
    display: block;
    position: fixed;
    top: 0;
    right: 100%;
    width: 100%;
    height: 100%;
    z-index: 9999;
    transition: all 0.4s;
  }

  header .head .phone-mask {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.4);
    display: none;
    transition: all 0.4s;
  }

  header .head .phone-menu {
    position: absolute;
    width: 80%;
    height: 100%;
    top: 0;
    left: 0;
    background: #fff;
    padding: 1.06666667rem 0 1.06666667rem 0.53333333rem;
    box-sizing: border-box;
    overflow-y: auto;
  }

  header .head .phone-menu .list a {
    position: relative;
    display: block;
    width: 100%;
    padding: 0.53333333rem 0.4rem;
    font-size: 0.42666667rem;
    color: #2B1E1A;
  }

  header .head .phone-menu .list .xjtz {
    position: absolute;
    right: 1.46666667rem;
  }

  header .head .phone-menu .tj .hide {
    display: none;
  }

  header .head .header-language {
    /* // 90px */
    margin-left: 1.4rem;
    border-left: 0.02666667rem solid rgba(36, 36, 36, 0.1);
    border-right: 0.02666667rem solid rgba(36, 36, 36, 0.1);
    /* 5px */
    padding: 0.13333333rem;
  }

  header .head .header-language .languagehei {
    width: 0.58666667rem;
    height: 0.58666667rem;
  }


  header .head .header-language p {
    /* 7px */
    margin-left: 0.18666667rem;
    /* 4px */
    margin-right: 0.10666667rem;
    font-weight: 400;
    /* 16px */
    font-size: 0.42666667rem;
  }

  header .head .header-language .hide-language {
    position: absolute;
    /* 60px */
    top: 1.6rem;
    left: 0;
    z-index: 888;
    width: 100%;
    height: auto;
    background-color: rgba(255, 255, 255, .8);
    visibility: hidden;
    opacity: 0;
    transition: all .4s;
  }

  header .head .header-language .hide-language a {
    display: block;
    width: 100%;
    height: auto;
    /* 10px */
    padding: 0.26666667rem;
    font-size: 0.42666667rem;
  }

  .banner {
    width: 100%;
    height: 4.26666667rem;
  }

  .banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}