.nei-banner {
  width: 100%;
  position: relative;
  height: 100vh;
  overflow: hidden;
}
.nei-banner .shade {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(55, 55, 55, 0.3);
}
.nei-banner .banner-info {
  position: absolute;
  top: 40%;
  left: 0;
  width: 100%;
  z-index: 99;
}
.nei-banner .banner-info p {
  line-height: 1;
  color: #fff;
  text-align: center;
}
.nei-banner .banner-info p:nth-child(1) {
  font-size: 40px;
  font-weight: bold;
  animation-duration: 2s;
  animation-delay: 0.5s;
}
.nei-banner .banner-info p:nth-child(2) {
  font-size: 18px;
  margin-top: 30px;
  animation-duration: 2s;
  animation-delay: 1.5s;
  white-space: nowrap;
  overflow: hidden;
}
.nei-banner .back-btn-box {
  width: 100%;
  position: absolute;
  bottom: 100px;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}
.nei-banner .back-btn-box .back-btn {
  width: 70px;
  height: 70px;
  border-radius: 70px;
  transition: all 350ms;
  position: relative;
  font-size: 0;
  z-index: 1;
  text-align: center;
  text-transform: uppercase;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  padding-left: 70px;
}
.nei-banner .back-btn-box .back-btn i {
  display: block;
  width: 70px;
  height: 70px;
  border-radius: 70px;
  position: absolute;
  transition: all 550ms;
  top: 0;
  left: 0;
  background: rgba(55, 55, 55, 0.5) url(../images/back-btn.png) no-repeat center;
  z-index: 99;
}
.nei-banner .back-btn-box .back-btn span {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  font-size: 16px;
  opacity: 0;
  color: #fff;
  visibility: hidden;
}
.nei-banner .back-btn-box .back-btn:hover {
  width: 250px;
  color: #fff;
  font-size: 16px;
  background: rgba(55, 55, 55, 0.5);
}
.nei-banner .back-btn-box .back-btn:hover i {
  background: #f03d37 url(../images/back-btn.png) no-repeat center;
}
.nei-banner .back-btn-box .back-btn:hover span {
  opacity: 1;
  visibility: visible;
}
.nei-banner .arrow-box {
  position: absolute;
  bottom: 30px;
  width: 100%;
  left: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  animation: tobottom 1000ms infinite;
}
.nei-banner .arrow-box .arrow {
  width: 18px;
  height: 10px;
}
.nei-banner .arrow-box .arrow.a1 {
  opacity: 0.2;
  background: url(../images/arrow1.png) no-repeat center;
}
.nei-banner .arrow-box .arrow.a2 {
  opacity: 0.5;
  background: url(../images/arrow1.png) no-repeat center;
}
.nei-banner .arrow-box .arrow.a3 {
  background: url(../images/arrow1.png) no-repeat center;
}
.main {
  width: 100%;
  padding: 100px 0;
  background: #f6f6f6;
}
.common-box {
  padding: 100px;
  background: #fff;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  position: relative;
  min-width: 1200px;
}
.main-box {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.left {
  width: 33.5%;
  margin-right: 90px;
}
.left > p:nth-child(1) {
  font-size: 30px;
  font-weight: bold;
  color: #333;
}
.left .nei-line {
  width: 30px;
  height: 3px;
  background: #333;
  margin-top: 30px;
}
.left .nei-logo {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 220px;
  background: url(../images/logo-bg.jpg) no-repeat center;
  margin-top: 30px;
}
.left .nei-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.right {
  flex: 1;
}
.right .des {
  width: 100%;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
}
.right .des > span {
  width: 100px;
  color: #333;
  font-size: 16px;
  line-height: 2;
  font-weight: bold;
}
.right .des .des-content {
  flex: 1;
  line-height: 2;
  font-size: 16px;
  color: #666666;
}
.right .des-line {
  width: 80%;
  height: 1px;
  background: #e5e5e5;
  margin-top: 40px;
}
.right p:nth-child(3) {
  font-size: 14px;
  color: #666;
  margin-top: 40px;
}
.right p:nth-child(4) {
  font-size: 14px;
  color: #666;
  margin-top: 10px;
}
.right a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 228px;
  height: 54px;
  border-radius: 54px;
  margin-top: 20px;
  background: #f03d37;
}
.right a:hover {
  background: #333;
}
.right a i {
  width: 16px;
  height: 16px;
  background: url(../images/btn-icon.png) no-repeat center;
}
.right a span {
  font-size: 18px;
  color: #fff;
  margin-left: 20px;
}
.detail-box {
  margin-top: 50px;
  position: relative;
}
.detail-box .common-title-box {
  width: 100%;
  height: 72px;
  position: relative;
}
.detail-box .common-title-box.design:after {
  display: block;
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 62px;
  height: 40px;
  background: url(../images/fu-icon.png) no-repeat center;
}
.detail-box .common-title-box.page {
  margin-top: 90px;
}
.detail-box .common-title-box .common-title {
  position: absolute;
  left: 5px;
  bottom: 10px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  float: left;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  z-index: 2;
}
.detail-box .common-title-box .common-title i {
  display: block;
  width: 26px;
  height: 17px;
  background: url(../images/title-icon.png) no-repeat center;
  margin-right: 20px;
}
.detail-box .common-title-box .common-title span {
  font-size: 20px;
  color: #333;
  line-height: 1;
}
.detail-box .common-title-box .en-title {
  font-size: 72px;
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  color: #fff;
  font-family: "Arial";
  text-transform: uppercase;
  line-height: 1;
  -webkit-text-stroke: 1px #33333317;
  letter-spacing: -5px;
}
.detail-box .design-box {
  margin-top: 40px;
  font-size: 18px;
  color: #333;
  line-height: 2;
}
.detail-box .detail-line {
  margin-top: 90px;
  width: 100%;
  height: 10px;
  background: url(../images/line-bg.png) no-repeat center;
  overflow: hidden;
}
.detail-box .page-box {
  margin-top: 40px;
  border-radius: 24px;
  border: 10px solid #333;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  overflow: hidden;
}
.detail-box .page-box img {
  width: 100%;
  max-width: 100%;
}
.arrow-btn-box {
  display: block;
  width: 70px;
  height: 70px;
  position: fixed;
  bottom: 100px;
  z-index: 99;
  border-radius: 50%;
}
.arrow-btn-box.prev {
  left: 5%;
  background: rgba(55, 55, 55, 0.5) url(../images/prev-icon.png) no-repeat center;
}
.arrow-btn-box.next {
  right: 5%;
  background: rgba(55, 55, 55, 0.5) url(../images/next-icon.png) no-repeat center;
}
.arrow-btn-box:hover.prev {
  background: #f03d37 url(../images/prev-icon.png) no-repeat center;
}
.arrow-btn-box:hover.next {
  background: #f03d37 url(../images/next-icon.png) no-repeat center;
}
.fu {
  position: fixed;
  left: 0;
  top: 50px;
  opacity: 0;
  visibility: hidden;
}
.fu.active {
  opacity: 1;
  visibility: visible;
}
.fu .fu-word {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  position: absolute;
  width: 127px;
  height: 46px;
  left: -20px;
  background: url(../images/fu-bg1.png) no-repeat;
  transition: all 350ms;
}
.fu .fu-word.shili {
  top: 0;
}
.fu .fu-word.design {
  top: 56px;
}
.fu .fu-word.page {
  top: 112px;
}
.fu .fu-word span {
  display: block;
  width: 100%;
  padding-right: 30px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  font-size: 14px;
  color: #fff;
  line-height: 1;
  font-style: italic;
  transition: all 350ms;
  text-align: right;
  letter-spacing: 1px;
  position: relative;
}
.fu .fu-word span:before {
  display: block;
  content: "";
  position: absolute;
  width: 10px;
  height: 2px;
  background: #fff;
  left: 17px;
  top: 50%;
  margin-top: -1px;
  opacity: 0;
  visibility: hidden;
  transition: all 350ms;
}
.fu .fu-word:hover {
  left: 0;
}
.fu .fu-word:hover span:before {
  opacity: 1;
  visibility: visible;
}
@keyframes tobottom {
  0% {
    bottom: 30px;
  }
  50% {
    bottom: 20px;
  }
  100% {
    bottom: 30px;
  }
}
@media (max-width: 1400px) {
  .left {
    width: 33.5%;
  }
  .left > p:nth-child(1) {
    font-size: 20px;
    font-weight: bold;
    color: #333;
  }
  .left .nei-line {
    width: 30px;
    height: 3px;
    background: #333;
    margin-top: 30px;
  }
  .left .nei-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 220px;
    background: url(../images/logo-bg.jpg) no-repeat center;
    margin-top: 30px;
  }
  .left .nei-logo img {
    width: 50%;
    height: 80%;
    object-fit: contain;
  }
}
/*# sourceMappingURL=nei.css.map */