.content {
  min-width: 1100px;
  width: 75%;
  margin: 0 auto;
  position: relative;
}

.cdef {
  color: #9c7b4c;
}

.csec {
  color: #a99172;
}

.header-nav {
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: #000;
  z-index: 100;
}
.header-nav .logo {
  display: inline-flex;
  align-items: center;
  height: 80px;
  padding-left: 30px;
}
.header-nav .nav {
  float: right;
}
.header-nav .nav li {
  display: inline-block;
  vertical-align: top;
  padding: 0 45px;
}
.header-nav .nav a {
  line-height: 80px;
  font-size: 18px;
  color: #fff;
}
.header-nav .nav a:hover {
  color: #9c7b4c;
}
.header-nav .nav .on a {
  color: #fff;
  display: inline-block;
  vertical-align: top;
  position: relative;
}
.header-nav .nav .on a::after {
  position: absolute;
  top: 60px;
  left: 0;
  right: 0;
  content: "";
  height: 4px;
  background-color: #fff;
}

.home-top {
  position: relative;
  width: 100%;
}
.home-top .header-nav {
  position: absolute;
}
.home-top .header-mob {
  display: none;
}
.home-top .swiper-slide {
  overflow-x: hidden;
  position: relative;
}
.home-top .swiper-slide img {
  width: 100%;
}
.home-top .b-tit {
  position: absolute;
  left: 0;
  right: 0;
  top: 26%;
  text-align: center;
  opacity: 0;
}
.home-top .tit1 {
  font-size: 45px;
}
.home-top .tit2 {
  font-size: 22px;
  padding-top: 20px;
}
.home-top .swiper-slide-active .b-tit {
  animation: fadeInLeft 1.4s 0.8s ease-in-out forwards;
}

.home-section-2 {
  background: url("../images/h-n-b2.png") center center no-repeat;
  background-size: 100% 100%;
  width: 1087px;
  height: 606px;
  transition: all 0.5s;
  cursor: pointer;
  text-align: center;
  padding-top: 14%;
  box-sizing: border-box;
  position: relative;
  margin: 100px auto 0 auto;
}
.home-section-2:hover {
  background-size: 110% 110%;
}
.home-section-2 .tit1 {
  font-size: 42px;
  line-height: 52px;
}
.home-section-2 .tit2 {
  font-size: 26px;
  padding-top: 10px;
  line-height: 32px;
}
.home-section-2 .vm {
  position: absolute;
  bottom: 30px;
  right: 45px;
  padding-right: 50px;
  font-size: 24px;
  color: #fff;
}
.home-section-2 .vm::before {
  position: absolute;
  right: 0;
  bottom: 4px;
  content: "";
  width: 14px;
  height: 2px;
  background-color: #fff;
  transform: rotate(45deg);
  transform-origin: right bottom;
}
.home-section-2 .vm::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  content: "";
  width: 45px;
  height: 2px;
  background-color: #fff;
}

@keyframes fadeInLeft {
  0% {
    opacity: 0;
    transform: translateY(50px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}
.flex {
  display: flex;
  justify-content: space-between;
}

.home-section-3 .title {
  font-size: 38px;
  color: #333;
  line-height: 1;
  padding: 145px 0 25px 0;
  text-align: center;
}
.home-section-3 .hs-l {
  width: 70%;
  font-size: 0;
  line-height: 0;
}
.home-section-3 .hs-r {
  width: 28%;
}
.home-section-3 .img {
  display: block;
  overflow: hidden;
}
.home-section-3 .img:hover img {
  transform: scale(1.1);
}
.home-section-3 .box-1 .img {
  height: 300px;
}
.home-section-3 .box-2, .home-section-3 .box-3 {
  display: inline-block;
  vertical-align: top;
  width: 50%;
  box-sizing: border-box;
}
.home-section-3 .box-2 .img, .home-section-3 .box-3 .img {
  height: 160px;
}
.home-section-3 .box-2 {
  padding-right: 1%;
}
.home-section-3 .box-3 {
  padding-left: 1%;
}
.home-section-3 .box-4 .img {
  height: 160px;
}
.home-section-3 .box-5 .img {
  height: 300px;
}
.home-section-3 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s ease;
}
.home-section-3 .tit {
  font-size: 20px;
  color: #333;
  line-height: 1;
  padding: 10px 0 5px 0;
}
.home-section-3 .desc {
  font-size: 16px;
  color: #333;
  line-height: 1;
  padding-bottom: 20px;
}

.news-section {
  padding-top: 160px;
}
.news-section .news-comment {
  display: flex;
  justify-content: space-between;
}
.news-section .news-comment .info .tit {
  font-size: 30px;
  color: #333;
  line-height: 1;
}
.news-section .news-comment .info .date {
  font-size: 24px;
  color: rgba(51, 51, 51, 0.5);
  padding: 10px 0 15px 0;
}
.news-section .news-comment .info .desc {
  font-size: 24px;
  color: #333;
  line-height: 30px;
}
.news-section .news-comment .vm {
  padding-top: 40px;
}
.news-section .news-comment .vm .btn {
  font-size: 14px;
  border: 1px rgba(0, 0, 0, 0.2) solid;
  padding: 0 34px;
  line-height: 34px;
  display: inline-block;
}
.news-section .news-comment .img {
  height: 385px;
  display: block;
  overflow: hidden;
}
.news-section .news-comment .img:hover img {
  transform: scale(1.1);
}
.news-section .news-comment .img-t {
  display: none;
}
.news-section .news-comment img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s ease;
}
.news-section .news-list {
  display: flex;
  justify-content: space-between;
  padding-top: 50px;
}
.news-section .news-box {
  width: 32%;
}
.news-section .news-box .img {
  height: 186px;
  display: block;
  overflow: hidden;
}
.news-section .news-box .img:hover img {
  transform: scale(1.1);
}
.news-section .news-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s ease;
}
.news-section .news-box .tit {
  font-size: 20px;
  color: #333;
  line-height: 1;
  padding: 10px 0 5px 0;
}
.news-section .news-box .desc {
  font-size: 16px;
  color: #333;
  line-height: 1;
  padding-bottom: 20px;
}

.footer {
  padding: 80px 0 0px 0;
}
.footer .ft {
  position: relative;
}
.footer .ft::after {
  position: absolute;
  bottom: 0;
  left: 10px;
  right: 10px;
  content: "";
  height: 1px;
  background-color: #cacaca;
  border: 1px #efefef solid;
}
.footer .ft .logo {
  display: inline-flex;
  align-items: center;
  height: 80px;
  padding-left: 30px;
}
.footer .ft .nav {
  float: right;
}
.footer .ft .nav li {
  display: inline-block;
  vertical-align: top;
  padding: 0 45px;
}
.footer .ft .nav a {
  line-height: 80px;
  font-size: 18px;
  color: #5a5a5a;
}
.footer .ft .nav a:hover {
  color: #9c7b4c;
}
.footer .fb {
  padding: 45px 0;
  font-size: 16px;
  text-align: center;
}

.header .header-nav {
  position: fixed;
}
.header .header-mob {
  display: none;
}

.section, .swiper-main {
  width: 100%;
  height: 100%;
}
.section .swiper-pagination-bullet, .swiper-main .swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  background-color: #fff;
}
.section .swiper-pagination-bullet-active, .swiper-main .swiper-pagination-bullet-active {
  width: 10px;
  height: 10px;
  background-color: #fff;
}
.section .swiper-pagination-vertical.swiper-pagination-bullets .swiper-pagination-bullet, .section .swiper-vertical > .swiper-pagination-bullets .swiper-pagination-bullet, .swiper-main .swiper-pagination-vertical.swiper-pagination-bullets .swiper-pagination-bullet, .swiper-main .swiper-vertical > .swiper-pagination-bullets .swiper-pagination-bullet {
  margin: 5px auto;
}

.section .swiper-slide-active .fadeleft {
  animation: fadeInLeft 1.4s 0.8s ease-in-out forwards;
}
.section .swiper-slide-active .fadeup {
  animation: fadeInUp 1.4s 0.8s ease-in-out forwards;
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(50px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}
.section-idea .swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}
.section-idea .slider1 {
  background: url("../images/idea-1.png") center center no-repeat;
  background-size: cover;
}
.section-idea .slider2 {
  background: url("../images/idea-2.png") center center no-repeat;
  background-size: cover;
}
.section-idea .slider3 {
  background: url("../images/idea-3.png") center center no-repeat;
  background-size: cover;
}
.section-idea .slider4 {
  background: url("../images/idea-4.png") center center no-repeat;
  background-size: cover;
}
.section-idea .slider5 {
  background: url("../images/idea-5.png") center center no-repeat;
  background-size: cover;
}
.section-idea .slider6 {
  background: url("../images/idea-6.png") center center no-repeat;
  background-size: cover;
}
.section-idea .slider7 {
  background: url("../images/idea-7.png") center center no-repeat;
  background-size: cover;
}
.section-idea .slider1 .text {
  opacity: 0;
}
.section-idea .slider1 .t1 {
  font-size: 60px;
  color: #333;
}
.section-idea .slider1 .t2 {
  font-size: 36px;
  color: #333;
  padding: 30px 0 60px 0;
}
.section-idea .slider1 .t3 {
  font-size: 36px;
  color: #666;
  line-height: 60px;
}
.section-idea .slider2 .text {
  opacity: 0;
  font-size: 48px;
  line-height: 65px;
  color: #fff;
}
.section-idea .slider3 .text {
  opacity: 0;
}
.section-idea .slider3 .t1 {
  font-size: 48px;
  color: #fff;
}
.section-idea .slider3 .t2 {
  font-size: 40px;
  color: #fff;
  padding: 20px 0 0 0;
}
.section-idea .slider4 .text {
  opacity: 0;
  text-align: left;
  padding-left: 6%;
}
.section-idea .slider4 .t1 {
  font-size: 24px;
  color: #fff;
}
.section-idea .slider4 .t2 {
  font-size: 48px;
  line-height: 60px;
  color: #fff;
  padding: 60px 0 0 0;
}
.section-idea .slider5 .text {
  opacity: 0;
  text-align: right;
}
.section-idea .slider5 .t1 {
  font-size: 24px;
  color: #fff;
}
.section-idea .slider5 .t2 {
  font-size: 48px;
  line-height: 60px;
  color: #fff;
  padding: 60px 0 0 0;
}
.section-idea .slider6 .t1 {
  font-size: 48px;
  color: #333;
}
.section-idea .slider6 .t2 {
  font-size: 40px;
  color: #333;
  padding: 14px 0 0 0;
}
.section-idea .slider6 .list {
  padding-top: 80px;
  opacity: 0;
  max-width: 1100px;
  margin: 0 auto;
}
.section-idea .slider6 .list > ul {
  display: flex;
  justify-content: space-between;
}
.section-idea .slider7 .text {
  opacity: 0;
}
.section-idea .slider7 .t1 {
  font-size: 48px;
  color: #333;
}
.section-idea .slider7 .t2 {
  font-size: 40px;
  color: #333;
  padding: 20px 0 0 0;
}
.section-idea .slider8 {
  height: 300px;
}

.section-technology .swiper-slide {
  text-align: center;
  font-size: 18px;
  display: flex;
  align-items: center;
}
.section-technology .slider1 {
  background: url("../images/technology-1.png") center center no-repeat;
  background-size: cover;
}
.section-technology .slider2 {
  background: url("../images/technology-2.png") center center no-repeat;
  background-size: cover;
}
.section-technology .slider3 {
  background: url("../images/technology-3.png") center center no-repeat;
  background-size: cover;
}
.section-technology .slider4 {
  background: url("../images/technology-4.png") center center no-repeat;
  background-size: cover;
}
.section-technology .slider5 {
  background: url("../images/technology-5.png") center center no-repeat;
  background-size: cover;
}
.section-technology .slider1 .text, .section-technology .slider3 .text, .section-technology .slider5 .text {
  opacity: 0;
  text-align: left;
  padding-left: 8%;
}
.section-technology .slider1 .t1, .section-technology .slider3 .t1, .section-technology .slider5 .t1 {
  font-size: 38px;
  line-height: 50px;
  color: #fff;
}
.section-technology .slider1 .t2, .section-technology .slider3 .t2, .section-technology .slider5 .t2 {
  font-size: 22px;
  line-height: 36px;
  color: #fff;
  padding: 30px 0 0px 0;
}
.section-technology .slider2 .text {
  opacity: 0;
  text-align: right;
  padding-right: 8%;
}
.section-technology .slider2 .t1 {
  font-size: 38px;
  line-height: 50px;
  color: #fff;
}
.section-technology .slider2 .t2 {
  font-size: 22px;
  line-height: 36px;
  color: #fff;
  padding: 30px 0 0px 0;
}
.section-technology .slider4 .text {
  opacity: 0;
  text-align: right;
  padding-right: 8%;
}
.section-technology .slider4 .t1 {
  font-size: 38px;
  line-height: 50px;
  color: #4e4d5b;
}
.section-technology .slider4 .t2 {
  font-size: 22px;
  line-height: 36px;
  color: #4e4d5b;
  padding: 30px 0 0px 0;
}
.section-technology .slider6 {
  height: 300px;
  text-align: center;
  justify-content: center;
}

.header-news .header-nav {
  position: relative;
}

.section-news {
  background-color: #f2f2f2;
}
.section-news .news-list {
  padding: 50px 0;
  min-height: 1000px;
}
.section-news .news-list li {
  padding-bottom: 10px;
}
.section-news .news-box {
  display: flex;
  justify-content: space-between;
  background: #fff;
}
.section-news .news-box .img {
  width: 60%;
  overflow: hidden;
  height: 454px;
}
.section-news .news-box .img img {
  height: 454px;
  width: 100%;
  object-fit: cover;
  transition: transform 0.3s ease-in;
}
.section-news .news-box .text {
  width: 40%;
  padding: 50px 30px;
  box-sizing: border-box;
  position: relative;
}
.section-news .news-box .text .date {
  font-size: 14px;
  color: #333;
}
.section-news .news-box .text .tit {
  font-size: 22px;
  padding: 10px 0 30px 0;
  color: #333;
}
.section-news .news-box .text .desc {
  font-size: 14px;
  line-height: 28px;
  color: #5a5a5a;
}
.section-news .news-box .vm {
  position: absolute;
  bottom: 50px;
  left: 30px;
  right: 30px;
  border-top: 1px #ddd solid;
  text-align: right;
  padding-top: 20px;
}
.section-news .news-box .vm .view-more {
  padding-right: 50px;
  font-size: 24px;
  color: #333;
}
.section-news .news-box .vm .view-more::before {
  position: absolute;
  right: 0;
  bottom: 4px;
  content: "";
  width: 14px;
  height: 2px;
  background-color: #333;
  transform: rotate(45deg);
  transform-origin: right bottom;
}
.section-news .news-box .vm .view-more::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  content: "";
  width: 45px;
  height: 2px;
  background-color: #333;
}
.section-news .news-box:hover .img img {
  transform: scale(1.1);
}
.section-news .news-box:hover .vm .view-more {
  color: #9c7b4c;
}
.section-news .news-box:hover .vm .view-more::before {
  background-color: #9c7b4c;
}
.section-news .news-box:hover .vm .view-more::after {
  background-color: #9c7b4c;
}

.section-news .bread-crumbs {
  padding: 98px 0 68px 0;
  border-bottom: 1px #ddd solid;
}
.section-news .bread-crumbs .bc {
  font-size: 14px;
  color: #999;
}
.section-news .bread-crumbs .bc a {
  color: #999;
}
.section-news .bread-crumbs .back {
  float: right;
  line-height: 34px;
  background: #1d1e22;
  border-radius: 17px;
  color: #fff;
  padding: 0 20px 0 40px;
  position: relative;
  cursor: pointer;
}
.section-news .bread-crumbs .back::before {
  position: absolute;
  top: 7px;
  left: 14px;
  content: "";
  width: 20px;
  height: 20px;
  background: url("../images/icon-back.png") center center no-repeat;
}
.section-news .title {
  text-align: center;
  padding: 50px 0;
  border-bottom: 1px #ddd solid;
}
.section-news .title h2 {
  font-size: 22px;
  color: #333;
  padding-bottom: 10px;
}
.section-news .title p {
  font-size: 14px;
  color: #666;
}
.section-news .detail {
  font-size: 16px;
  line-height: 32px;
  padding: 50px 0;
  min-height: 700px;
}
.section-news .detail p {
  padding: 20px 0;
}
.section-news .detail img {
  max-width: 100%;
}

.totop {
  position: fixed;
  right: 2%;
  bottom: 4%;
  transition: all 0.6s;
  width: 50px;
  height: 50px;
  background: linear-gradient(to bottom, #406494, #162a4b);
  border-radius: 50%;
  display: none;
  cursor: pointer;
}
.totop i {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("../images/bt-arrow.png") center center no-repeat;
  z-index: 1;
}
.totop::before {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  content: "";
  background: linear-gradient(to bottom, #406494, #162a4b);
  border-radius: 50%;
  animation: scalej01 2s 0.5s infinite;
}
.totop::after {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  content: "";
  background: linear-gradient(to bottom, #406494, #162a4b);
  border-radius: 50%;
  animation: scalej02 2s infinite;
}

@keyframes scalej01 {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}
@keyframes scalej02 {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.8);
    opacity: 0;
  }
}
@media screen and (max-width: 750px) {
  .content {
    width: 750px;
    min-width: auto;
  }
  .home-top .swiper-slide-active .b-tit {
    top: 40%;
  }
  .home-section-2 {
    width: 100%;
    height: 420px;
  }
  .home-section-3 .flex {
    display: block;
  }
  .home-section-3 .hs-l, .home-section-3 .hs-r {
    width: 100%;
  }
  .home-section-3 .box-1 {
    width: 90%;
    margin: 0 auto;
  }
  .home-section-3 .box-2, .home-section-3 .box-3, .home-section-3 .box-4, .home-section-3 .box-5 {
    padding: 0;
    width: 90%;
    margin: 0 auto;
    display: block;
  }
  .home-section-3 .box-2 .img, .home-section-3 .box-3 .img, .home-section-3 .box-4 .img, .home-section-3 .box-5 .img {
    height: 300px;
  }
  .home-section-3 .tit {
    font-size: 26px;
  }
  .home-section-3 .desc {
    font-size: 20px;
  }
  .news-section .news-comment {
    display: block;
    width: 90%;
    margin: 0 auto;
  }
  .news-section .news-comment .img-t {
    display: block;
  }
  .news-section .news-comment .img-b {
    display: none;
  }
  .news-section .news-comment .img {
    width: 100%;
  }
  .news-section .news-comment .info {
    padding-top: 10px;
  }
  .news-section .news-list {
    display: block;
  }
  .news-section .news-box {
    display: block;
    width: 90%;
    margin: 0 auto;
  }
  .news-section .news-box .img {
    height: 350px;
  }
  .news-section .news-box .tit {
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  .footer .ft .logo {
    padding-left: 70px;
  }
  .footer .ft .nav {
    display: block;
    float: none;
    text-align: left;
  }
  .footer .ft .nav li {
    display: block;
  }
  .footer .ft .nav a {
    display: block;
    padding-left: 20px;
    border-bottom: 1px #ddd solid;
  }
  .footer .fb {
    white-space: nowrap;
  }
  .totop {
    display: none !important;
  }
  .header-nav {
    display: none;
  }
  .home-top .header-mob {
    display: block;
  }
  .header .header-mob {
    display: block;
  }
  .header-mob {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    z-index: 100;
    background-color: #000;
    text-align: center;
  }
  .header-mob .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
  }
  .header-mob .shownav {
    position: absolute;
    top: 10px;
    left: 30px;
    width: 60px;
    height: 60px;
    text-align: center;
  }
  .header-mob .shownav span {
    width: 40px;
    height: 4px;
    background-color: #fff;
    position: absolute;
    top: calc(50% - 2px);
    left: 10px;
  }
  .header-mob .shownav span::before {
    position: absolute;
    top: -16px;
    left: 0;
    right: 0;
    content: "";
    height: 4px;
    background-color: #fff;
  }
  .header-mob .shownav span::after {
    position: absolute;
    top: 16px;
    left: 0;
    right: 0;
    content: "";
    height: 4px;
    background-color: #fff;
  }
  .nav-pop {
    position: fixed;
    background-color: #333;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding-top: 100px;
    display: none;
  }
  .nav-pop .close {
    text-align: left;
    padding-left: 30px;
    padding-bottom: 80px;
  }
  .nav-pop .close .icon-close {
    width: 60px;
    height: 60px;
    display: inline-block;
    position: relative;
  }
  .nav-pop .close .icon-close::before {
    position: absolute;
    top: 10px;
    left: 30px;
    content: "";
    width: 2px;
    height: 40px;
    background-color: #fff;
    transform: rotate(45deg);
  }
  .nav-pop .close .icon-close::after {
    position: absolute;
    top: 10px;
    left: 30px;
    content: "";
    width: 2px;
    height: 40px;
    background-color: #fff;
    transform: rotate(-45deg);
  }
  .nav-pop li {
    display: block;
    text-align: left;
    padding: 0 20px;
  }
  .nav-pop a {
    display: block;
    padding-left: 20px;
    border-bottom: 1px #ddd solid;
    color: #fff;
    line-height: 100px;
    font-size: 24px;
  }
  .section-idea .slider6 .list ul {
    display: block;
  }
  .section-idea .slider6 .list li {
    display: block;
    height: 300px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    border-radius: 20px;
  }
  .section-idea .slider6 .list li img {
    width: 80%;
  }
  .section-idea .slider8 {
    height: 660px;
  }
  .section-technology .slider6 {
    height: 660px;
  }
  .header-news {
    height: 80px;
  }
  .section-news .news-list {
    margin: 0 30px;
  }
  .section-news .bread-crumbs {
    display: none;
  }
  .section-news .title {
    text-align: center;
    padding: 50px 0;
    border-bottom: 1px #ddd solid;
  }
  .section-news .title h2 {
    font-size: 36px;
    color: #333;
    padding-bottom: 10px;
  }
  .section-news .title p {
    font-size: 24px;
    color: #666;
  }
  .section-news .detail {
    font-size: 30px;
    line-height: 45px;
    padding: 50px 30px;
    min-height: 700px;
  }
  .section-news .detail p {
    padding: 20px 0;
  }
  .section-news .detail img {
    max-width: 100%;
  }
}