.w1400 {
  width: 1400px;
  margin: auto;
}
/* 头部 start */
.nav-head {
  background: #333333;
}
.nav-head .nav-head-con {
  height: 36px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-head .nav-head-con p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}
.nav-head .nav-head-con .head-info {
  display: flex;
  align-items: center;
}
.nav-head .nav-head-con .head-info .icon {
  width: 16px;
  height: 16px;
  fill: currentColor;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.5);
  margin-right: 6px;
}
.nav-head .nav-head-con .head-info p {
  padding-left: 10px;
  margin-left: 10px;
  border-left: 1px #5c5c5c solid;
  display: flex;
  align-items: center;
}
.nav-head .nav-head-con .head-info p:first-child {
  border-left: none;
}
.nav-head .nav-head-con .head-info p:first-child .icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.5);
  margin-right: 6px;
}
header .header-brand {
  height: 88px;
  display: flex;
  justify-content: center;
  align-items: center;
}
header .header-brand .logo a {
  display: flex;
  align-items: center;
}
header .header-brand .logo img {
  width: 182px;
}
header .header-brand ul {
  flex: 1;
  display: flex;
  justify-content: center;
  height: 100%;
}
header .header-brand ul li a {
  font-size: 16px;
  color: #333333;
  margin: 0 0.3rem;
  padding: 0 4px;
  height: 100%;
  display: flex;
  align-items: center;
  position: relative;
}
header .header-brand ul li a::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: #1919ad;
  transition: width 0.5s;
}
header .header-brand ul li:hover a,
header .header-brand ul li.active a {
  color: #1919ad;
}
header .header-brand ul li:hover a::before,
header .header-brand ul li.active a::before {
  width: 100%;
}
header .header-brand .head-search {
  display: flex;
  align-items: center;
}
header .header-brand .head-search span {
  font-size: 18px;
  color: #1919ad;
  font-weight: bold;
}
header .header-brand .head-search p {
  margin-left: 10px;
}
header .header-brand .head-search p .icon {
  width: 14px;
  height: 14px;
  fill: currentColor;
  overflow: hidden;
  color: #1919ad;
  margin-right: 10px;
}
header .header-brand .head-search a {
  font-size: 18px;
  color: #383838;
  margin-left: 16px;
}
header .header-brand .head-search a:hover {
  color: #1919ad;
}
header .header-brand .head-search .icon {
  width: 16px;
  height: 16px;
  fill: currentColor;
  overflow: hidden;
  color: #1919ad;
}
header .header-brand .head-search .head-form {
  position: relative;
  padding: 20px 0;
}
header .header-brand .head-search .head-form form {
  position: absolute;
  left: -220px;
  right: -20px;
  top: 90%;
  display: flex;
  height: 36px;
  box-sizing: border-box;
  margin-bottom: 1px;
  overflow: hidden;
  border-radius: 4px;
  z-index: 2;
  box-shadow: 0 -2px 4px #ccc;
  display: none;
  background: #fff;
}
header .header-brand .head-search .head-form form input {
  flex: 1;
  height: 36px;
  padding: 0 10px;
  font-size: 14px;
  color: #8c8c8c;
  border: none;
}
header .header-brand .head-search .head-form form button {
  height: 36px;
  width: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #1919ad;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  outline: none;
}
header .header-brand .head-search .head-form form button .icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
  overflow: hidden;
  color: #fff;
}
header .header-brand .head-search .head-form:hover form {
  display: flex;
}
/* 头部 end */
/* banner start */
.home-banner {
  position: relative;
}
.home-banner img {
  width: 100%;
  display: block;
}
.home-banner .swiper-pagination {
  bottom: 30px;
}
.home-banner .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background: rgba(255, 255, 255, 0);
  border: 2px #d2d2d2 solid;
  opacity: 1;
}
.home-banner .swiper-pagination-bullet-active {
  background: #1919ad;
  border: 2px #1919ad solid;
  opacity: 1;
}
/* banner end */
/* 通用样式 start */
.ho-common {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.ho-common h2 {
  font-size: 36px;
  color: #333;
}
.ho-common p {
  font-size: 16px;
  color: #999;
  margin: 12px 0 24px;
}
.ho-common span {
  width: 46px;
  height: 2px;
  background: #1919ad;
}
.ho-a {
  height: 50px;
  width: 200px;
  font-size: 16px;
  color: #666;
  border: 1px #1919ad solid;
  display: flex;
  margin: auto;
  position: relative;
  align-items: center;
  justify-content: center;
  z-index: 1;
}
.ho-a .icon {
  width: 14px;
  height: 14px;
  fill: currentColor;
  overflow: hidden;
  color: #666;
  position: absolute;
  right: 16px;
  top: 18px;
}
.ho-a::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: auto;
  right: 0;
  background: #1919ad;
  width: 0;
  transition: 0.4s;
  -webkit-transition: 0.4s;
  z-index: -1;
}
.ho-a:hover {
  color: #fff;
}
.ho-a:hover::before {
  width: 100%;
  right: auto;
  left: 0;
}
.ho-a:hover .icon {
  color: #fff;
}
/* 通用样式 end */
.home-about {
  background: url(../images/about-bg.jpg);
  background-size: cover;
  padding: 96px 0 170px;
}
.home-about h2 {
  font-size: 48px;
  color: #333;
  line-height: 60px;
  text-align: center;
}
.home-about ul {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 50px 0;
}
.home-about ul li {
  padding: 0 78px;
  border-left: 1px #e3e3e3 solid;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.home-about ul li:first-child {
  border-left: none;
}
.home-about ul li h3 {
  font-size: 16px;
  color: #1919ad;
}
.home-about ul li h3 i {
  font-size: 48px;
  color: #1919ad;
  font-weight: bold;
  margin-right: 6px;
}
.home-about ul li p {
  font-size: 18px;
  color: #999999;
}
.home-about .content {
  width: 900px;
  margin: auto;
  font-size: 16px;
  color: #666666;
  line-height: 30px;
  text-align: center;
}
.home-about .content p {
  font-size: 16px;
  color: #666666;
  line-height: 30px;
}
.home-about a {
  margin-top: 60px;
}
.home-product {
  background: #f5f5f5;
}
.home-product .content {
  padding: 130px 0 40px;
  position: relative;
}
.home-product .content .pro-category {
  position: absolute;
  left: 0;
  right: 0;
  height: 148px;
  top: -78px;
  background: #fff;
  box-shadow: 0px 10px 10px 0px #f1f1f1;
}
.home-product .content .pro-category ol {
  height: 100%;
  display: flex;
  justify-content: space-between;
}
.home-product .content .pro-category ol li {
  height: 100%;
  flex: 1;
}
.home-product .content .pro-category ol li a {
  height: 100%;
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
}
.home-product .content .pro-category ol li .i {
  width: 110px;
  height: 56px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.home-product .content .pro-category ol li .i img {
  max-width: 100%;
  max-height: 100%;
  transition: transform 0.5s;
}
.home-product .content .pro-category ol li h4 {
  font-size: 16px;
  color: #666;
  margin-top: 12px;
}
.home-product .content .pro-category ol li:hover img {
  transform: rotateY(180deg);
}
.home-product .content .pro-category ol li:hover h4 {
  color: #1919ad;
}
.home-product .swiper-product {
  padding: 36px 0 80px;
}
.home-product .swiper-product .i {
  transition: 0.5s;
  height: 282px;
  overflow: hidden;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}
.home-product .swiper-product .i img {
  max-width: 90%;
  max-height: 90%;
}
.home-product .swiper-product h3 {
  font-size: 16px;
  color: #666;
  margin-top: 16px;
  text-align: center;
}
.home-product .swiper-product .swiper-pagination-bullet {
  width: 14px;
  height: 14px;
  background: #dadada;
  opacity: 1;
  margin: 0 8px;
}
.home-product .swiper-product .swiper-pagination-bullet-active {
  background: #1919ad;
  opacity: 1;
}
.home-product .swiper-product a:hover .i {
  z-index: 2;
  -webkit-box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
}
.home-product .swiper-product a:hover h3{
  color: #1919ad;
}
.home-case {
  padding: 68px 0 90px;
}
.home-case ul {
  margin: 68px 0 40px;
  display: flex;
  flex-wrap: wrap;
}
.home-case ul li {
  width: 32.4%;
  position: relative;
  margin-bottom: 1.4%;
  height: 350px;
}
.home-case ul li:first-child {
  width: 66.2%;
  margin-right: 1.4%;
  height: 430px;
}
.home-case ul li:nth-child(2) {
  height: 430px;
}
.home-case ul li:nth-child(4),
.home-case ul li:nth-child(3) {
  margin-right: 1.4%;
}
.home-case ul li a {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
}
.home-case ul li a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  box-shadow: 2px -50px 74px -19px #000 inset;
  z-index: 2;
  transition: opacity 0.5s ease;
}
.home-case ul li .i {
  height: 100%;
  position: relative;
  overflow: hidden;
}
.home-case ul li .i img {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  min-width: auto;
  min-height: auto;
  width: 100%;
  height: 100%;
  transform: none;
  transition: transform 0.5s ease;
  object-fit: cover;
  max-height: 100%;
}
.home-case ul li h3 {
  position: absolute;
  left: 24px;
  bottom: 24px;
  font-size: 18px;
  color: #fff;
  z-index: 3;
}
.home-case ul li .bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transform: scale(0);
  transition: all 0.5s;
  opacity: 0;
  background: rgba(25, 25, 173, 0.9);
}
.home-case ul li .bg .icon {
  width: 48px;
  height: 48px;
  fill: currentColor;
  overflow: hidden;
  color: #fff;
}
.home-case ul li .bg h4 {
  font-size: 18px;
  color: #fff;
  margin-top: 16px;
}
.home-case ul li:hover .bg {
  transform: scale(1);
  opacity: 1;
}
.home-case ul li:hover .i img {
  transform: scale(1.04);
}
.home-case ul li:hover h3 {
  opacity: 0;
  display: none;
}
.home-case ul li:hover a::before {
  opacity: 0;
}
.home-adv ul {
  display: flex;
  flex-wrap: wrap;
}
.home-adv ul li {
  width: 25%;
}
.home-adv ul li .i {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.home-adv ul li .i img {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  min-width: auto;
  min-height: auto;
  width: 100%;
  height: 100%;
  transform: none;
  transition: transform 0.5s ease;
  object-fit: cover;
  max-height: 100%;
}
.home-adv ul li .t {
  height: 100%;
  background: #f3f3f3;
  padding: 0.64rem 0.5rem;
  box-sizing: border-box;
  position: relative;
}
.home-adv ul li .t h3 {
  font-size: 24px;
  color: #333;
  line-height: 30px;
}
.home-adv ul li .t p {
  font-size: 16px;
  color: #666666;
  line-height: 24px;
  margin-top: 0.24rem;
  min-height: 100px;
}
.home-adv ul li .t a {
  display: flex;
  align-items: center;
  font-size: 16px;
  color: #666666;
}
.home-adv ul li .t a .icon {
  width: 12px;
  height: 12px;
  fill: currentColor;
  overflow: hidden;
  color: #9b9b9b;
  margin-left: 6px;
  transition: transform 0.5s;
}
.home-adv ul li .t a:hover {
  color: #1919ad;
}
.home-adv ul li .t a:hover .icon {
  color: #1919ad;
  transform: translateX(10px);
}
.home-adv ul li .b:before {
  content: "";
  border: 12px solid #f3f3f3;
  border-top-color: transparent;
  border-left-color: transparent;
  border-right-color: transparent;
  width: 0px;
  height: 0px;
  position: absolute;
  left: 10%;
  top: -24px;
}
.home-adv ul li .s:before {
  content: "";
  border: 12px solid #f3f3f3;
  border-bottom-color: transparent;
  border-left-color: transparent;
  border-right-color: transparent;
  width: 0px;
  height: 0px;
  position: absolute;
  left: 10%;
  top: 100%;
  z-index: 2;
}
.home-news {
  padding: 82px 0 130px;
}
.home-news .news-nav {
  margin: 36px 0 52px;
  display: flex;
  justify-content: center;
}
.home-news .news-nav a {
  padding: 6px 18px;
  border: 1px #d2d2d2 solid;
  font-size: 16px;
  color: #333;
  position: relative;
  margin-left: 4px;
}
.home-news .news-nav a:first-child {
  margin-left: 0;
}
.home-news .news-nav a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: #1919ad;
  transition: width 0.4s;
  z-index: -1;
}
.home-news .news-nav a:hover,.home-news .news-nav a.active {
  border: 1px #1919ad solid;
  color: #fff;
}
.home-news .news-nav a:hover::before,.home-news .news-nav a.active::before {
  width: 100%;
}
.home-news .content {
  display: none;
  justify-content: space-between;
}
.home-news .content.active{
  display: flex;
}
.home-news .content .i {
  width: 45%;
  position: relative;
  overflow: hidden;
}
.home-news .content .i a {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}
.home-news .content .i a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  box-shadow: 2px -50px 74px -19px #000 inset;
  z-index: 1;
}
.home-news .content .i img {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  min-width: auto;
  min-height: auto;
  width: 100%;
  height: 100%;
  transform: none;
  transition: transform 0.5s ease;
  object-fit: cover;
  max-height: 100%;
}
.home-news .content .i .info {
  display: flex;
  justify-content: space-between;
  position: absolute;
  z-index: 2;
  left: 0.2rem;
  right: 0.2rem;
  bottom: 0.3rem;
}
.home-news .content .i .info h4 {
  font-size: 18px;
  color: #fff;
}
.home-news .content .i .info span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
}
.home-news .content .i:hover img {
  transform: scale(1.04);
}
.home-news .content ul {
  width: 55%;
}
.home-news .content ul li {
  width: 100%;
  position: relative;
  padding-left: 0.6rem;
}
.home-news .content ul li::before {
  content: '';
  position: absolute;
  left: -14px;
  top: 0;
  bottom: 0;
  width: 0;
  background: #1919ad;
  transition: width 0.5s;
  z-index: 1;
}

.home-news .content ul li::after {
  content: '';
  position: absolute;
  left: 0.6rem;
  bottom: 0;
  right: 0;
  height: 1px;
  background: #cccccc;
}
.home-news .content ul li a {
  position: relative;
  z-index: 2;
  padding: 0.34rem 30px 0.34rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: transform 0.5s;
}
.home-news .content ul li .time {
  margin: 0 30px;
}
.home-news .content ul li .time span {
  font-size: 48px;
  color: #666;
  margin-bottom: 6px;
  font-weight: bold;
}
.home-news .content ul li .time p {
  font-size: 18px;
  color: #666;
}
.home-news .content ul li .desc {
  flex: 1;
}
.home-news .content ul li .desc h4 {
  font-size: 18px;
  color: #333;
  height: 24px;
  line-height: 24px;
}
.home-news .content ul li .desc p {
  width: 100%;
  margin-top: 10px;
  font-size: 16px;
  color: #8c8c8c;
  height: 24px;
  line-height: 24px;
  overflow: hidden;

}
.home-news .content ul li:hover::before {
  width: calc(100% + 14px);
}
.home-news .content ul li:hover a {
  transform: translateX(10px);
}
.home-news .content ul li:hover h4,
.home-news .content ul li:hover p,
.home-news .content ul li:hover span {
  color: #fff;
}
footer {
  padding-top: 30px;
  background: #2c2c2c;
}
footer .content {
  padding-bottom: 100px;
  display: flex;
  justify-content: space-between;
}
footer .content .foot-nav {
  flex: 1;
}
footer .content .foot-nav ul {
  display: flex;
}
footer .content .foot-nav ul li {
  margin-right: 0.68rem;
}
footer .content .foot-nav ul li h4 {
  margin-top: 20px;
  font-size: 18px;
  color: #fff;
  margin-bottom: 16px;
}
footer .content .foot-nav ul li h4 a {
  font-size: 18px;
  color: #fff;
}
footer .content .foot-nav ul li h4 a:hover {
  color: rgba(255, 255, 255, 0.8);
}
footer .content .foot-nav ul li > a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
}
footer .content .foot-nav ul li > a:hover {
  color: rgba(255, 255, 255, 0.9);
}
footer .content .foot-nav ul li p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  margin-bottom: 18px;
}
footer .content .foot-nav ul li p .icon {
  width: 16px;
  height: 16px;
  fill: currentColor;
  overflow: hidden;
  color: #808080;
  margin-right: 8px;
}
footer .content .code {
  margin-top: 20px;
}
footer .content .code img {
  width: 130px;
  height: 130px;
  display: block;
}
footer .content .code p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  margin-top: 8px;
}
footer .copyright {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px #404040 solid;
  padding: 20px 0 34px;
}
footer .copyright div {
  display: flex;
}
footer .copyright p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
}
footer .copyright a {
  margin-left: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
}
footer .copyright a:hover {
  color: rgba(255, 255, 255, 0.8);
}

.qqkefu{
  position: fixed;
  bottom: 200px;
  z-index: 9999;
  right: 0;
  width: 50px;
}
.qqkefu ul li{
  margin: 4px 0;
  background: rgba(153, 153, 153, 0.8);
  position: relative;
  width: 50px;
  height: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}
.qqkefu ul li:hover{
  background: #0070bb;
}
.qqkefu ul li .icon{
    width: 24px;
    height: 24px;
    fill: currentColor;
    overflow: hidden;
    color: #fff;
}
.qqkefu ul li a{
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  right: 0;
  background: #0070bb;
  color: #fff;
  font-size: 14px;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
}
.qqkefu ul li .ewm{
  position: absolute;
  right: 110%;
  bottom: 0;
  width: 130px;
  height: 80px;
  background: rgba(153, 153, 153, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  font-size: 16px;
  line-height: 26px;
  display: none;
  transition: .5s;
}
.qqkefu ul li .f_code{
  position: absolute;
  right: 110%;
  bottom: 0;
  width: 100px;
  height: 100px;
  display: none;
  transition: .5s;
}

.qqkefu ul li:hover .f_code,
.qqkefu ul li:hover .ewm{
  display: flex;
}
.qqkefu ul li:hover a{
  opacity: 1;
}
.qqkefu ul li .f_code img{
  width: 100%;
  height: 100%;
}

@media screen and (max-width: 1480px) {
  .w1400 {
    width: 86%;
  }
  .w700 {
    width: 86%;
  }
}
@media screen and (max-width: 1400px) {
  header .header-brand ul li a{
    font-size: 14px;
    margin: 0 .2rem;
  }
  .home-product .content .pro-category ol li h4{
    font-size: 14px;
  }
}