/* reset */
html,
body,
div,
p,
ul,
li,
dl,
dt,
dd,
em,
i,
span,
a,
img,
input,
h1,
h2,
h3,
h4,
h5 {
  margin: 0;
  padding: 0;
}

a,
img,
input {
  border: none;
}

body {
  font: 14px/1.75 -apple-system, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

a {
  text-decoration: none;
  -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
  -webkit-user-select: none;
  -moz-user-focus: none;
  -moz-user-select: none;
}

ul,
li {
  list-style: none;
}

i,
b,
em {
  font-style: normal;
}

html {
  font-size: 14px;
  font-family: "Microsoft YaHei";
  width: 100%;
  height: 100%;
}

.flex {
  display: flex;
  justify-content: center;
  align-items: center;
}

body {
  width: 100%;
  height: 100%;
}

* {
  box-sizing: border-box;
}

.header {
  height: 120px;
  display: flex;
  justify-content: space-between;
  padding: 0 200px;
  align-items: center;
}

.header .logo {
  background: url(../images/logo.png) no-repeat;
  background-size: 100% 100%;
  width: 250px;
  height: 84px;
}

.header .r {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.header .headerTool {
  display: flex;
  align-items: center;
}

.header .headerTool .headerEmail {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 113px;
  height: 33px;
  border-radius: 16px;
  border: solid 1px #999999;
  color: #c0c0c0;
  font-size: 14px;
}

.header .headerTool .headerEmail img {
  margin-right: 10px;
}

.header .headerTool .search {
  display: flex;
  align-items: center;
  width: 206px;
  height: 32px;
  border-radius: 16px;
  border: solid 1px #999999;
  color: #c0c0c0;
  font-size: 14px;
  padding-left: 16px;
  overflow: hidden;
  margin-left: 10px;
}

.header .headerTool .search img {
  margin-right: 10px;
}

.header .headerTool .search input {
  color: #c0c0c0;
  font-size: 14px;
  flex: 1;
}

.header .headerTool .search input::-webkit-input-placeholder {
  color: #c0c0c0;
  font-size: 14px;
}

.header .headerTool .search input::-moz-placeholder {
  color: #c0c0c0;
  font-size: 14px;
}

.header .headerTool .search input:-ms-input-placeholder {
  color: #c0c0c0;
  font-size: 14px;
}

.header .headerTool .search input::-webkit-input-placeholder {
  color: #c0c0c0;
  font-size: 14px;
}

.header .headerTool .search input::placeholder {
  color: #c0c0c0;
  font-size: 14px;
}

.banner {
  
  width: 100%;
}

.banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.meau {
  display: flex;
  margin-top: 20px;
}

.meau .items {
  position: relative;
  color: #434343;
  font-size: 16px;
  margin-left: 50px;
  display: block;
}

.meau .items:hover a {
  color: red;
}

.meau .items:hover ul {
  display: block;
}

.meau .items.active a {
  color: red;
}

.meau .items a {
  color: #434343;
  font-size: 16px;
}

.meau .items ul {
  position: absolute;
  top: 100%;
  width: 150px;
  z-index: 9;
  line-height: 2.5;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  background-color: rgba(0, 0, 0, 0.4);
  display: none;
}

.meau .items ul a {
  display: block;
  color: #fff !important;
}

.meau .items ul a:hover {
  background-color: rgba(0, 0, 0, 0.4);
}

.container {
  width: 1500px;
  margin: 0 auto;
}

.indexTit {
  line-height: 1;
  margin-bottom: 50px;
}

.indexTit h3 {
  text-align: center;
  color: #494949;
  font-size: 42px;
  background: url(../images/titBg.png) no-repeat center center;
  margin-bottom: 10px;
  font-weight: bold;
}

.indexTit p {
  text-align: center;
  color: #cecece;
  font-weight: bold;
  font-size: 40px;
}

.part1 {
  height: auto;
  padding-top: 60px;
  padding-bottom: 100px;
}

.part1 .container {
  display: flex;
  justify-content: space-between;
  height: auto;
}

.part1 .container .icon {
  width: 614px;
  height: 429px;
  border-radius: 50px;
  margin-right: 73px;
}

.part1 .container .aboutTxt {
  width: 817px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.part1 .container .aboutTxt p {
  color: #3e3e3e;
  font-size: 18px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 8;
  -webkit-box-orient: vertical;
  text-indent: 2em;
}

.ov2 {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.ov3 {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.indexBtn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 198px;
  height: 55px;
  border: solid 1px #333;
  border-radius: 27px;
  color: #333;
  font-size: 16px;
}

.indexBtn img {
  display: none;
  margin-left: 15px;
}

.indexBtn:hover {
  color: #fff;
  background-color: #e71f18;
}

.part2 {
  padding-top: 60px;
  height: 832px;
  background: url(../images/picBg.png) 50% 50%/cover no-repeat;
}

.part2 .indexBtn {
  margin: 0 auto;
  margin-top: 50px;
}

.picList {
  display: flex;
  flex-wrap: wrap;
}

.picList a {
  display: block;
  width: 355px;
  margin-right: 26px;
}

.picList a:nth-of-type(4n) {
  margin-right: 0;
}

.picList a .icon {
  width: 355px;
  height: 355px;
  overflow: hidden;
}

.picList a .icon:hover img {
  transform: scale(1.1);
}

.picList a img {
  display: block;
  width: 355px;
  height: 355px;
  object-fit: cover;
  transition: .2s linear all;
}

.picList a p {
  text-align: center;
  color: #3e3e3e;
  font-size: 16px;
  margin-top: 22px;
}

.classRoomTabT {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 27px;
}

.classRoomTabT a {
  display: block;
  width: 120px;
  height: 45px;
  border-radius: 23px;
  border: solid 1px #d8d8d8;
  text-align: center;
  line-height: 45px;
  color: #3e3e3e;
  margin: 0 5px;
}

.classRoomTabT a.active, .classRoomTabT a:hover {
  background-color: #e71f18;
  border: 1px solid #e71f18;
  color: #fff;
}

.part3 {
  padding-top: 60px;
}

.picClassRoom {
  display: flex;
  justify-content: space-between;
}

.picClassRoom .r {
  width: 615px;
}

.picClassRoom .r .items {
  width: 615px;
}

.picClassRoom .r .items .icon {
  width: 615px;
  object-fit: cover;
  height: 411px;
  display: block;
  margin-bottom: 20px;
}

.picClassRoom .r .items h3 {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #333333;
  font-size: 20px;
  margin-bottom: 15px;
}

.picClassRoom .r .items p {
  font-size: 16px;
  color: #6b6b6b;
}

.picClassRoom .r .items i {
  display: block;
  color: #333333;
  font-size: 15px;
  margin: 0;
}

.picClassRoom .r .items span {
  text-align: center;
  color: #333333;
  font-size: 13px;
  margin: 0;
}

.classRoomTabD .picClassRoom + .picClassRoom {
  display: none;
}

.picNews {
  width: 840px;
}

.picNews .items {
  display: flex;
  margin-bottom: 50px;
}

.picNews .items:last-child {
  margin-bottom: 0;
}

.picNews .items:hover .info span {
  padding: 0 10px;
  background-color: #e71f18;
  color: #fff;
}

.picNews .items .icon {
  width: 215px;
  height: 145px;
  display: block;
  object-fit: cover;
  flex-shrink: 0;
  margin-right: 28px;
}

.picNews .items .info {
  flex: 1;
  height: 145px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
}

.picNews .items .info h3 {
  color: #3e3e3e;
  font-size: 20px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.picNews .items .info p {
  font-size: 16px;
  color: #6b6b6b;
}

.picNews .items .info span {
  display: block;
  height: 42px;
  text-align: center;
  line-height: 42px;
  color: #333333;
  font-size: 13px;
}

.part4 {
  padding-top: 100px;
}

.part5 {
  padding-top: 100px;
}

.news {
  display: flex;
  flex-wrap: wrap;
}

.news .items {
  width: 466px;
  height: 264px;
  background-color: #ffffff;
  border: solid 1px #d4d4d4;
  margin-right: 51px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-top: 45px;
}

.news .items h3 {
  color: #333333;
  font-size: 20px;
}

.news .items h3:hover {
  color: #e71f18;
}

.news .items p {
  color: #838383;
  font-size: 16px;
  line-height: 28px;
}

.news .items span {
  color: #333333;
  font-size: 13px;
  width: 192px;
  height: 42px;
  display: block;
  line-height: 42px;
  transition: .2s linear all;
  position: relative;
}

.news .items span::after {
  display: block;
  content: '';
  width: 55px;
  height: 2px;
  background-color: #cfcfcf;
  position: absolute;
  left: 0;
  top: 0;
}

.news .items span:hover {
  color: #fff;
  text-align: center;
  background-color: #e71f18;
}

.news .items span:hover::after {
  display: none;
}

.news .items:nth-of-type(3n) {
  margin-right: 0;
}

.case_slide {
  width: 842px;
  height: 560px;
  position: relative;
  margin-right: 50px;
}

.case_slide img {
  display: block;
  width: 842px;
  height: 560px;
}

.case_slide .swiper-button-next {
  width: 52px;
  height: 53px;
  opacity: 1;
  text-align: center;
  line-height: 53px;
  font-size: 16px;
  background-size: 0;
  bottom: -1px;
  top: inherit;
  right: -26px;
  transform: rotate(90deg);
  background-color: #c8c8c8;
  color: #fff;
}

.case_slide .swiper-button-next::after {
  font-size: 16px;
}

.case_slide .swiper-button-next:hover {
  background-color: #e71f18;
}

.case_slide .swiper-button-prev {
  opacity: 1;
  width: 52px;
  height: 53px;
  text-align: center;
  line-height: 53px;
  font-size: 16px;
  background-size: 0;
  bottom: 50px;
  top: inherit;
  right: -26px;
  left: inherit;
  transform: rotate(90deg);
  background-color: #c8c8c8;
  color: #fff;
}

.case_slide .swiper-button-prev::after {
  font-size: 16px;
}

.case_slide .swiper-button-prev:hover {
  background-color: #e71f18;
}

.caseBox {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.caseList {
  width: 610px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  align-content: flex-start;
  padding-top: 50px;
}

.caseList .items {
  width: 296px;
  margin-right: 16px;
  margin-bottom: 35px;
}

.caseList .items:nth-of-type(2n) {
  margin-right: 0;
}

.caseList .items p {
  text-align: center;
  color: #3e3e3e;
  font-size: 16px;
  margin-top: 20px;
}

.caseList .items img {
  height: 198px;
  width: 100%;
  display: block;
  object-fit: cover;
}

.part1 .aboutMain {
  display: block;
  line-height: 2;
}

.part1 .aboutMain .icon {
  float: left;
}

.productMain {
  height: auto;
  padding-bottom: 100px;
}

.productMain .picList .items {
  margin-bottom: 30px;
}

.classRoomBox {
  width: 100%;
}

.allInfo .t {
  margin: 40px 0;
  text-align: center;
}

.allInfo .t h3 {
  font-size: 30px;
}

.allInfo .t p {
  color: #838383;
  font-size: 16px;
}

.allInfo a {
  color: #838383;
  font-size: 20px;
}

.allInfo .d {
  line-height: 2;
  font-size: 15px;
}

.allInfo img {
  display: block;
  margin: 20px auto;
  max-width: 100%;
}

.footer {
  background-color: #424242;
  margin-top: 100px;
}

.footerT {
  width: 1250px;
  display: flex;
  justify-content: space-between;
  padding: 50px 0;
}

.footerT .l {
  display: flex;
}

.footerT .l .fMeau {
  display: flex;
}

.footerT .l .fMeau .items {
  margin-right: 80px;
}

.footerT .l .fMeau .items:last-child {
  margin-right: 0;
}

.footerT .l .fMeau a {
  display: block;
}

.footerT .l .fMeau a:hover {
  color: red;
}

.footerT .l .fMeau .h3 {
  color: #cfcfcf;
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 30px;
}

.footerT .l .fMeau .p {
  color: #969696;
  font-size: 15px;
  line-height: 2;
}

.link a:hover {
  color: red !important;
}

.follwBox h3 {
  color: #cfcfcf;
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 30px;
}

.follwBox .btn {
  display: block;
  width: 188px;
  height: 39px;
  opacity: 0.35;
  color: #fff;
  text-align: center;
  line-height: 39px;
  background-color: #828282;
}

.follwBox .followList {
  flex-wrap: wrap;
  display: flex;
  width: 300px;
}

.follwBox .followList a {
  display: flex;
  align-items: center;
  color: #969696;
  font-size: 14px;
  margin-right: 30px;
  margin-bottom: 40px;
  position: relative;
}

.follwBox .followList a:hover .ewmF {
  display: block;
}

.follwBox .followList a .ewmF {
  width: 100px;
  height: 100px;
  background-color: #fff;
  position: absolute;
  left: 0;
  bottom: 100%;
  display: none;
}

.follwBox .followList a .ewmF img {
  display: block;
  width: 100%;
  height: 100%;
}

.follwBox .followList a img {
  margin-right: 12px;
}

.footerD {
  text-align: center;
  height: 79px;
  background-color: #353535;
  line-height: 79px;
  color: #7f7f7f;
  font-size: 16px;
}

.fenlei1 {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  font-size: 20px;
  padding: 20px 0;
  border-bottom: 1px dashed rgba(0, 0, 0, 0.3);
}

.fenlei1 .items {
  display: block;
  padding: 0 20px;
  font-size: 20px;
  border: 1px solid rgba(0, 0, 0, 0.3);
  color: #333;
  margin-right: 20px;
  border-radius: 5px;
}

.fenlei1 .items:hover {
  background-color: rgba(0, 0, 0, 0.3);
  color: #fff;
}

.fenlei1 .items.active {
  color: #fff;
  background-color: #e71f18;
}

.pagination-centered ul li {
  display: block;
  float: left;
  padding-right: 1rem;
}