*{
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  --main-color: #9a0101;
  transition: .6s;
}
a:hover{
	text-decoration: none;
}
a{
    color: #333;
}
a{
    text-decoration: none;
}
.app{
  max-width: 1920px;
  margin: auto;
  font-size: 19px;
}

.container {
  width: 1420px;
  padding: 0 70px;
  margin: auto;
}
header {
  height: 135px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.h-left {
  display: flex;
  align-items: center;
}
.h-left .text {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5em;
}
.h-right img {
  padding: calc((50px - 21px) / 2);
  border-radius: 50%;
  border: 2px solid #000;
}
.info-flex {
  display: flex;
  align-items: center;
}
.header-nav-box {
  position: sticky;
  top: 0;
  background-color: #000;
  height: 80px;
  color: #fff;
  z-index: 10;
  opacity: 0.9;
}
.header-nav {
  display: flex;
  align-items: stretch;
}
.nav-item {
  line-height: 80px;
  padding: 0 50px;
  cursor: pointer;
}
.nav-item:hover {
  background-color: var(--main-color);
}
.nav-item.active {
  background-color: var(--main-color);
}


.swiper {
  width: 100%;
  height: 100%;
}

.swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}

.swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.swiper-pagination-bullet {
  width: 20px;
  height: 20px;
  text-align: center;
  line-height: 20px;
  font-size: 12px;
  color: #000;
  opacity: 1;
  background: #fff;
}

.swiper-pagination-bullet-active {
  color: #fff;
  background: var(--main-color);
}

.rect {
  width: 70px;
  height: 10px;
  border-radius: unset;
}


.banners {
  /*height: 700px;*/
}
.banners img {
  height: 100%;
  width: 100%;
}
.s1 {
  margin: 100px auto 150px;
}
h1 {
  font-size: 32px;
}
p {
  margin-bottom: 0.5em;
}
.s1 .obj {
  height: 550px;
  display: flex;
}
.s1 .obj .obj-nav {
  width: 400px;
  display: flex;
  flex-wrap: wrap;
  height: 100%;
}
.obj-nav .obj-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 50%;
  height: calc(550px / 3);
  border-right: 1px solid #fff;
  border-bottom: 1px solid #fff;
  background-color: #f5f5f5;
  cursor: pointer;
  text-align: center;
}
.obj-nav .obj-nav-item img{
    filter: brightness(0.3);
}
.obj-nav-item.active {
  background-color: var(--main-color);
  color: #fff;
}
.obj-nav .obj-nav-item.active img{
    filter: unset;
}
.obj-nav-item.active a{
    color: #fff;
}
.obj-banner {
  flex: 1;
  height: 100%;
}

.obj-banner-item {
  display: flex;
  align-items: flex-end;
  height: 100%;
  background-size: 100% 100%;
  padding: 55px;
  color: #fff;
}
.obj-banner .obj-banner-item:first-child{
    display: flex;
}
.obj-banner .obj-banner-item{
    display: none;
}
.obj-banner-item .title {
  display: inline-block;
  color: #fff;
  font-weight: 700;
  font-size: 24px;
  padding-bottom: 5px;
  border-bottom: 5px solid red;
  margin-bottom: 25px;
}
.obj-banner-item p {
  font-size: 14px;
  line-height: 1.5em;
}


.production {
  background-color: #f9f9f9;
  padding-top: 90px;
  padding-bottom: 110px;
}
.pro-list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.pro-list .pro-list-item {
  width: 230px;
  height: 50px;
  text-align: center;
  line-height: 50px;
  background-color: #fff;
  border: 1px solid #ddd;
  margin-bottom: 30px;
  cursor: pointer;
}
.pro-list .pro-list-item.active {
  background-color: var(--main-color);
  color: #fff;
  border: none;
}
.pro-list .pro-list-item.active a{
  color: #fff;
}
.pro-obj-list .cpp{
  display: none;
  justify-content: space-between;

}
.pro-obj-list .cpp:first-child{
    display: flex;
}
.pro-obj-list-item {
  width: 365px;
  text-align: center;
}
.pro-obj-list-item p {
  margin-top: 20px;
}
.pro-obj-list-item img {
  width: 100%;
  object-fit: contain;
}
.pro-obj-list .pro-obj-list-item .img{
    overflow: hidden;
}
.pro-obj-list .pro-obj-list-item:hover img{
    transform: scale(1.1);
}
.banner2 {
  height: 435px;
  padding: 95px 0;
  background-image: url(../imgs/banner3.png);
  background-size: 100% 100%;
  color: #fff;
}
.button {
  width: 200px;
  height: 45px;
  text-align: center;
  line-height: 45px;
  color: var(--main-color);
  border-radius: 10px;
  border: none;
  outline: none;
  cursor: pointer;
  font-weight: 700;
}

section.about {
  padding: 110px 0 185px;
}
.main {
  height: 500px;
  display: flex;
}
.main > * {
  width: 50%;
  position: relative;
}
.main .m-left {
  padding-right: 100px;
}
.main .m-left::after,
.main .m-right::before {
  content: '';
  position: absolute;
  width: 60px;
  height: 60px;
  line-height: 60px;
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  top: 50%;
  transform: translateY(-50%);
}
.main .m-right {
  background-size: 100% 100%;
}
.main .m-left::after {
  right: 0;
  color: #fff;
}
.main .m-right::before {
  left: 0;
}
.m-left h1 {
  position: relative;
  color: var(--main-color);
  font-size: 43.5px;
  padding: 40px 0;
  margin-bottom: 40px;
}
.m-left h1::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 4em;
  height: 2px;
  background-color: var(--main-color);
}
.about-banner {
  position: relative;
  display: flex;
  margin-top: 60px;
  justify-content: space-between;
}
.about-banner-item {
  width: 235px;
  height: 180px;
}
.about-banner-item img {
  width: 100%;
  height: 100%;
}
.about-banner-left,
.about-banner-right {
  width: 30px;
  height: 80px;
  line-height: 80px;
  text-align: center;
  position: absolute;
  color: #fff;
  font-weight: 700;
  top: 50%;
  background-color: var(--main-color);
  cursor: pointer;
}
.about-banner-left {
  left: 0;
  transform: translate(-100%, -50%);
}
.about-banner-right {
  right: 0;
  transform: translate(100%, -50%);
}

.section-title {
  text-transform: uppercase;
  font-weight: 700;
}
section.server {
  background-color: #f9f9f9;
  padding: 105px 0 110px;
}
.server-list {
  display: flex;
  justify-content: space-between;
}
.server-list-item {
  flex-grow: 0;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  width: 230px;
  height: 290px;
  text-align: center;
  background-color: #fff;
  border: 1px solid #ccc;
  font-size: 16px;
  text-transform: uppercase;
}
.server-list-item:hover img{
    transform: rotateY(180deg);
}
.server-list-item.text {
  position: relative;
  background-color: var(--main-color);
  color: #fff;
  padding: 20px;
  font-size: 12px;
}
.server-list-item.text::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: calc(100% - 15px);
  height: calc(100% - 15px);
  border: 2px solid #fff;
}

section.case1 {
  padding-top: 120px;
}
.case-types {
  display: flex;
  justify-content: space-evenly;
}
.case-types-item {
  height: 88px;
  text-align: center;
  padding: 11px;
  cursor:pointer;
}
.case-types-item.active{
  border-radius:15px;
  background-color: aliceblue;
}
.case-item {
  display: flex;
  margin: 50px 0;
  width: 100%;
  justify-content: space-between;
}
.case-item .left {
  position: relative;
  /*margin-right: 95px;*/
  width: 45%;
  flex-shrink: 0;
  height: 410px;
  border: 1px solid #ccc;
}
.case-item .right {
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  width:51%;
}
.case-item .left img {
  width: 100%;
  height: 100%;
}
.case-item-left,
.case-item-right {
  width: 30px;
  height: 80px;
  line-height: 80px;
  text-align: center;
  position: absolute;
  color: #fff;
  font-weight: 700;
  top: 50%;
  background-color: var(--main-color);
  cursor: pointer;
}
.case-item-left {
  left: 0;
  transform: translate(0, -50%);
}
.case-item-right {
  right: 0;
  transform: translate(0, -50%);
}
.red-btn {
  all: unset;
  display: flex;
  align-items: center;
  padding: 10px 40px;
  background-color: var(--main-color);
  color: #fff;
  cursor: pointer;
}
.img-list {
  display: flex;
  
}
.img-list-item {
  text-align: center;
  width: 24%;
  margin-right: 1.33%;
}
.img-list-item:last-child{
    margin-right: 0;
}
.img-list-item p {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 14px;
  margin: 10px 0;
}
.img-list-item img {
  width: 290px;
  height: 220px;
}
.path {
  display: flex;
  justify-content: flex-end;
}
.path .path-item {
  position: relative;
  padding: 0 20px;
}
.path .path-item::after {
  position: absolute;
  right: 0;
  content: '/';
  color: #000;
}
.path .path-item:last-child::after {
  content: unset;
}
.path .path-item.current a{
    color: var(--main-color);
}
.path .path-item.current {
  color: var(--main-color);
}
.case-main {
  margin-top: 50px;
  display: flex;
}
.case-main .left {
  width: 400px;
  border-right: 2px solid #ddd;
  padding-right: 60px;
}
.case-main .left:hover h3.title{
    color: #9a0101;
}
.case-main .left:hover p.line3{
    color: #9a0101;
}
.time {
  font-size: 18px;
  color: #999;
}
h3.title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 18px;
  margin: 15px 0;
}
.news-img {
  width: 335px;
  height: 190px;
}
p.line3 {
  font-size: 14px;
  color: #888;
  line-height: 2em;
  margin: 15px 0 30px;
  -webkit-line-clamp: 3;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}
.learn-more {
  padding: 10px 0;
  text-align: center;
  width: 6em;
  border-top: 2px solid var(--main-color);
  border-bottom: 2px solid var(--main-color);
}
.news-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}
.news-item:hover .info .title{
    color: #9a0101;
}
.news-item:hover .info .text{
    color: #9a0101;
}
.news-item > * {
  flex-grow: 0;
  flex-shrink: 0;
}
.news-item .info {
  width: 580px;
  font-size: 14px;
}
.news-item .info .title {
  font-weight: 700;
  margin-bottom: 1em;
  font-size: 18px;
}
.info .text {
  line-height: 1.5em;
  color: #808080;
}
.news-item img {
  width: 175px;
  height: 120px;
  margin-left: 50px;
}
.case-main .right {
  padding-left: 60px;
}


footer {
  padding-top: 60px;
  background-color: #272727;
  color: #fff;
}
footer dl {
  padding: 100px 0;
  list-style: none;
}
dt {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 18px;
}
dd {
  font-size: 12px;
  line-height: 2em;
}
.footer-list {
  display: flex;
  justify-content: space-between;
}
.end {
  background-color: #555555;
  height: 50px;
  line-height: 50px;
  font-size: 16px;
}
.end .container {
  display: flex;
  justify-content: space-between;
}


.mobidle-nav{
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 50px;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  background-color: #000;
  z-index: 10;
}


.more:focus .more-list{
  display: block;
}

.more-list{
  display: none;
  position: absolute;
  left: 0;
  top: 50px;
  background-color: #000;
  width: 100%;
  color: #fff;
}

.more-list .more{
  position: absolute;
  right: 10px;
  top: 50%;
  z-index: 100;
  transform: translateY(-50%);
}

.more-list-item{
  padding: 0.5em 1em;
}
.more-list-item.active{
  color: var(--main-color);
  font-weight: 700;
}
.footer-list a{
    color: #fff;
}
@media screen and (max-width: 500px) {
  .container{
    width: 100vw;
    padding: 0 10px;
  }
  .banners{
    height: auto;
	padding-top: 50px;
  }
  .banners img{
    object-fit: cover !important;
  }
  section{
    margin-top: 50px !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    padding-bottom: 10px !important;
    margin-bottom: 20px !important;
  }
  .server-list{
    flex-wrap: wrap;
  }
  .server-list-item{
    width: 48%;
    height: auto;
    padding: 10px;
    margin-bottom: 10px;
  }
  section.case1{
    padding-top: 20px;
  }
  .case-item{
    display: block;
  }
  .case-item .left{
    width: 100%;
    height: auto;
    margin-right: 0;
    margin-bottom: 10px;
  }
  .img-list{
    flex-wrap: wrap;
  }
  .img-list-item img{
    width: 100%;
    height: auto;
  }
  .img-list-item{
    width: 49%;
    margin-bottom: 10px;
  }
  .path{
    justify-content: flex-start;
  }
  .case-main{
    flex-wrap: wrap;
  }
  .case-main .right{
    padding-left: 0;
  }
  .news-item .info{
    width: 100%;
  }
  .news-item  img{
    display: none;
  }
  .case-main .left{
    width: 100%;
    border-right: unset;
    padding-right: 0;
  }
  footer{
    padding-top: 20px;
  }
  .footer-list{
    flex-wrap: wrap;
    justify-content: center;
  }
  .footer-list dl{
    width: 100%;
    padding: 5px;
    text-align: center;
  }
  dt{
    margin-bottom: 15px;
  }
  .news-img{
    width: 100%;
    height: auto;
  }
  .case-item-left, .case-item-right{
    display: none;
  }
  .case-item .left img{
    height: auto;
  }
  .s1 .obj{
    display: block;
    height: unset;
  }
  .pro-list{
    justify-content: center;
  }
  .banner2{
    display: none;
  }
  .main{
    display: block;
    height: unset;
  }
  .main .m-left{
    padding-right: 30px;
  }
  .main > *{
    width: 100%;
  }
  .main .m-left::after ,.main .m-right::before{
    content: unset;
  }
  .m-left p:nth-of-type(2){
    text-align: center;
  }
  .main .m-right{
    height: auto;
  }
  .about-banner{
    flex-wrap: wrap;
    display: none;
  }
  .obj-nav .obj-nav-item{
    height: calc(100vw / 3);
    width: 33%;
  }
  section.about{
    padding-top: 10px;
  }
.section-title{
  margin-bottom: 20px !important;
}
  .obj-nav .obj-nav-item img{
    width: 50px;
  }
  .obj-nav .obj-nav-item p:nth-child(2) {
    display: none;
  }
  .obj-banner-item{
    padding: 10px;
  }
  .app{
    font-size: 16px;
  }
  header{
    display: none;
  }
  .header-nav-box{
    display: none;
  }
  .mobidle-nav{
    display: flex;
  }
  .s1 .obj .obj-nav{
    width: 100%;
  }
  .end{
    height: unset;
  }
  .end .container{
    display: block;
    text-align: center;
  }
  .rect{
    width: 50px;
    height: 5px;
  }
  h1{
      font-size: 20px;
  }
  .pro-list .pro-list-item{
      width:160px;
  }
  .pro-list .pro-list-item a{
      font-size: 13px;
  }
  .ddms{
      flex-wrap: wrap;
      margin-left: 0!important;
      padding:0;
  }
  #left-div{
      width: 100%!important;
  }
  .m-left h1{
      font-size: 18px;
      padding:15px 0;
      margin-bottom: 10px;
  }
  .btn-container{
      display: none!important;
  }
  .case-types{
      flex-wrap: wrap;
  }

  .more-list-item a{
      color: #fff;
  }
  .more-list-item.active a{
      color: #9a0101;
  }
}