html {
  background-color: #ffffff;
  font-family: Arial, Helvetica, sans-serif;
}
body {
  width: 100%;
  margin: 0;
  overflow: hidden;
}
.swiper-box {
  position: relative;
}
.swiper-container {
  border-radius: 5px;
}
.box-centent {
  width: 1300px;
  max-width: 90%;
  margin: auto;
  padding-bottom: 30px;
  -webkit-transition: opacity 1s;
  transition: opacity 1s;
}
@media (max-width: 600px) {
}
.nav-box {
  width: 1300px;
  max-width: calc( 100% - 80px);
  margin: auto;
  position: relative;
  -webkit-transition: opacity 1s;
  transition: opacity 1s;
  max-height: 300px;
}
@media (max-width: 600px) {
  .nav-box {
    max-width: 100%;
    overflow: hidden;
    padding-bottom: 20px;
  }
}
.nav-box .logo360 {
  width: 100px;
  vertical-align: middle;
}
@media (max-width: 720px) {
  .nav-box .logo360 {
    width: 70px;
  }
}
.nav-box .title-txt {
  vertical-align: middle;
}
.nav-box .nav-title {
  padding: 20px;
}
.nav-box .nav-txt {
  padding: 10px 0;
  text-align: left;
  color: #666666;
  font-size: 16px;
}
@media (max-width: 720px) {
  .nav-box .nav-txt {
    font-size: 14px;
  }
}
@media (max-width: 520px) {
  .nav-box .nav-txt {
    font-size: 12px;
  }
}
.nav-box .nav-img {
  height: 100%;
  width: 100%;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  position: absolute;
  top: 0;
  left: 0;
  transition: transform 2s;
}
.nav-box .nav-imgbox {
  max-width: 100%;
  padding-bottom: 60%;
  border-radius: 5px;
  overflow: hidden;
  position: relative;
}
.nav-box .nav-imgzezhao {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  z-index: 2;
  opacity: 0.4;
  -webkit-transition: opacity 1s;
  transition: opacity 1s;
  background-color: #000000;
}
.nav-box .nav-item {
  text-align: center;
  cursor: pointer;
  width: 22%;
  display: inline-block;
  margin: 1%;
  background-color: #fff;
  padding-top: 1%;
}
.nav-box .nav-item:hover .nav-img {
  -webkit-transform: scale(1.1);
  transform: scale(1.1);
}
.nav-box .nav-item:hover .nav-imgzezhao {
  opacity: 0;
}
.f-nowrap {
  white-space: nowrap;
}
.swiper-slide .nav-item {
  width: 100%;
}
.swiper-button-prev,
.swiper-container-rtl .swiper-button-next {
  left: -37px;
  outline: none;
  top: 37%;
}
.swiper-button-next,
.swiper-container-rtl .swiper-button-prev {
  right: -37px;
  outline: none;
  top: 37%;
}
.swiper-container-horizontal > .swiper-pagination-bullets .swiper-pagination-bullet {
  margin: 0 6px;
}
.bannerbox .swiper-pagination-bullet {
  background-color: #fff;
  opacity: 1;
  border: 1px solid #333;
  margin: 0 5px;
  width: 15px;
  height: 15px;
}
.bannerbox .swiper-pagination-bullet.swiper-pagination-bullet-active {
  background-color: #3e96f5;
}
@media (max-width: 520px) {
  .bannerbox .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
  }
}
.bannerbox .banner-item {
  cursor: pointer;
}
.banner-img {
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  height: 600px;
  max-height: 25vw;
  border-radius: 5px;
}
@media (max-width: 720px) {
  .banner-img {
    max-height: 70vw;
  }
}
@media (max-width: 520px) {
  .banner-img {
    max-height: 100vw;
  }
}
.panorama-box {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background-color: #000;
  z-index: 100;
  max-width: 100vw;
  max-height: 100vh;
}
.panorama-box .panorama-closed {
  z-index: 300;
  position: absolute;
  top: 10px;
  right: 20px;
  cursor: pointer;
}
.panorama-box .panorama-closed i {
  font-size: 60px;
  color: #fff;
  text-shadow: 0 2px 2px black;
}
@media (max-width: 720px) {
  .panorama-box .panorama-closed i {
    font-size: 32px;
    color: #fff;
    text-shadow: 0px 2px 2px black;
  }
}
#container,
.panorama-elm,
#containerbox {
  width: 100%;
  height: 100%;
}
.panorama-loding {
  background-image: url(/image/catalog/logo/Gear.svg);
  background-size: 50px;
  background-repeat: no-repeat;
  background-position: 50% 47%;
  background-color: #000;
  width: 100%;
  height: 100%;
  position: absolute;
  z-index: 200;
  top: 0;
  left: 0;
}
.m-tanchuang-oh body {
  overflow: hidden;
}
.m-tanchuang-oh .box-centent,
.m-tanchuang-oh .nav-box {
  opacity: 0;
}
.m-tanchuang-oh * {
  moz-user-select: -moz-none;
  -moz-user-select: none;
  -o-user-select: none;
  -khtml-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
}