.aling-center1 {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
}
.aling-center2 {
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto 0;
}
.aling-center3 {
  position: absolute;
  left: 0;
  right: 0;
  margin: 0 auto;
}
.text-hidden1 {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cover-style {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 9999;
}
.cover-style .mask {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: #000;
  opacity: 0.8;
  filter: alpha(opacity=80);
}
body {
  padding-top: 130px;
}
header.common-header {
  position: fixed;
  top: 0;
  left: 0;
}
.banner {
  overflow: hidden;
  position: relative;
}
.banner img {
  width: 100%;
}
.banner .banner-pagination {
  position: absolute;
  left: 9%;
  bottom: 10%;
  padding: 10px 15px;
}
.banner .banner-pagination span {
  background-color: #fff;
  display: inline-block;
  margin-left: 24px;
  opacity: 1;
  height: 15px;
  width: 15px;
  border-radius: 50%;
  cursor: pointer;
}
.banner .banner-pagination span:first-child {
  margin-left: 0;
}
.banner .banner-pagination .swiper-active-switch {
  background-color: #cd0111;
}
.content1 {
  background-color: #fbfbfb;
  padding: 100px 0 100px;
  text-align: center;
}
.content1 .title1 {
  font-size: 18px;
  margin-bottom: 14px;
  font-weight: bold;
  color: #bdbdbd;
}
.content1 .title2 {
  font-size: 42px;
  margin-bottom: 20px;
  color: #cd0111;
}
.content1 .yybm {
  width: 130px;
  height: 2px;
  margin: 0 auto 110px;
  background-color: #efe4e4;
  text-align: center;
  line-height: 0;
}
.content1 .yybm span {
  display: inline-block;
  height: 2px;
  width: 30px;
  background-color: #cd0111;
  vertical-align: top;
}
.content1 .item {
  background:  no-repeat center center;
  background-size: 100% auto;
  width: 230px;
  height: 230px;
  float: left;
  margin-left: 93.333px;
  position: relative;
  transition: all 0.3s 0s ease;
  -o-transition: all 0.3s 0s ease;
  -ms-transition: all 0.3s 0s ease;
  -moz-transition: all 0.3s 0s ease;
  -webkit-transition: all 0.3s 0s ease;
}
.content1 .item a {
  display: block;
  height: 100%;
  overflow: hidden;
}
.content1 .item:first-child {
  margin-left: 0;
}
.content1 .item .icon {
  position: absolute;
  top: 45px;
  width: 80px;
  left: 0;
  right: 0;
  margin: 0 auto;
}

.content1 .item strong {
  font-size: 20px;
  display: block;
  line-height: 42px;
  margin-top: 120px;
  transition: all 0.3s 0s ease;
  -o-transition: all 0.3s 0s ease;
  -ms-transition: all 0.3s 0s ease;
  -moz-transition: all 0.3s 0s ease;
  -webkit-transition: all 0.3s 0s ease;
}
.content1 .item span {
  display: block;
  font-size: 16px;
  color: #e2e2e2;
  transition: all 0.3s 0s ease;
  -o-transition: all 0.3s 0s ease;
  -ms-transition: all 0.3s 0s ease;
  -moz-transition: all 0.3s 0s ease;
  -webkit-transition: all 0.3s 0s ease;
}
.content1 .item:hover {
  background-image: ;
}

.content1 .item:hover strong {
  color: #fff;
  font-size: 24px;
}
.content1 .item:hover span {
  color: #cd0111;
}
.content2 {
  padding: 80px 0 100px;
}
.content2 .img {
  float: left;
  width: 480px;
}
.content2 .img img {
  width: 100%;
}
.content2 .text {
  float: right;
  width: 630px;
  padding-top: 45px;
}
.content2 .text h3 {
  font-size: 36px;
  margin-bottom: 18px;
}
.content2 .text p {
  font-size: 16px;
  color: #666;
  text-align: justify;
  line-height: 28px;
}
.content3 {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.content3 .bg {
  width: 100%;
}
.content3 > div {
  text-align: center;
  position: absolute;
  left: 0;
  right: 0;
  top: -10px;
  bottom: 0;
  margin: auto;
  height: 170px;
  width: 500px;
}
.content3 .icon {
  width: 90px;
  margin: 0 auto;
}
.content3 .icon img {
  width: 100%;
}
.content3 p {
  font-size: 32px;
  color: #fff;
  margin-bottom: 36px;
}
.content3:hover .icon img {
  -webkit-animation: pulsate-fwd 0.8s ease-in-out infinite both;
  animation: pulsate-fwd 0.8s ease-in-out infinite both;
}
.video-cover {
  display: none;
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 9999;
}
.video-cover .mask {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: #000;
  opacity: 0.8;
  filter: alpha(opacity=80);
}
.video-cover video {
  width: 980px;
  position: absolute;
  left: 0;
  right: 0;
  top: -2000px;
  bottom: 0;
  margin: auto;
}
@-webkit-keyframes pulsate-fwd {
  0% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
  50% {
    -webkit-transform: scale(1.1);
    transform: scale(1.1);
  }
  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}
@keyframes pulsate-fwd {
  0% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
  50% {
    -webkit-transform: scale(1.1);
    transform: scale(1.1);
  }
  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}
@-webkit-keyframes tracking-in-expand {
  0% {
    letter-spacing: -0.5em;
    opacity: 0;
  }
  40% {
    opacity: 0.6;
  }
  100% {
    opacity: 1;
  }
}
@keyframes tracking-in-expand {
  0% {
    letter-spacing: -0.5em;
    opacity: 0;
  }
  40% {
    opacity: 0.6;
  }
  100% {
    opacity: 1;
  }
}
@-webkit-keyframes tracking-out-contract {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 1;
  }
  100% {
    letter-spacing: -0.5em;
    opacity: 0;
  }
}
@keyframes tracking-out-contract {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 1;
  }
  100% {
    letter-spacing: -0.5em;
    opacity: 0;
  }
}
@-webkit-keyframes heartbeat {
  from {
    -webkit-transform: scale(1);
    transform: scale(1);
    -webkit-transform-origin: center center;
    transform-origin: center center;
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
  10% {
    -webkit-transform: scale(0.91);
    transform: scale(0.91);
    -webkit-animation-timing-function: ease-in;
    animation-timing-function: ease-in;
  }
  17% {
    -webkit-transform: scale(0.98);
    transform: scale(0.98);
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
  33% {
    -webkit-transform: scale(0.87);
    transform: scale(0.87);
    -webkit-animation-timing-function: ease-in;
    animation-timing-function: ease-in;
  }
  45% {
    -webkit-transform: scale(1);
    transform: scale(1);
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
}
@keyframes heartbeat {
  from {
    -webkit-transform: scale(1);
    transform: scale(1);
    -webkit-transform-origin: center center;
    transform-origin: center center;
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
  10% {
    -webkit-transform: scale(0.91);
    transform: scale(0.91);
    -webkit-animation-timing-function: ease-in;
    animation-timing-function: ease-in;
  }
  17% {
    -webkit-transform: scale(0.98);
    transform: scale(0.98);
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
  33% {
    -webkit-transform: scale(0.87);
    transform: scale(0.87);
    -webkit-animation-timing-function: ease-in;
    animation-timing-function: ease-in;
  }
  45% {
    -webkit-transform: scale(1);
    transform: scale(1);
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
}
.content4 {
  text-align: center;
  padding: 80px 0 120px;
}
.content4 h3 {
  font-size: 36px;
  margin-bottom: 12px;
}
.content4 .layout > span {
  display: block;
  margin: 0 auto;
  height: 2px;
  width: 62px;
  background-color: #cd0111;
}
.content4 p {
  font-size: 16px;
  color: #666;
  line-height: 28px;
  margin: 14px auto 50px;
  width: 880px;
}
.content4 .item {
  float: left;
  width: 358px;
  position: relative;
  overflow: hidden;
  text-align: center;
  margin-left: 63px;
  box-shadow: 0 0 0 #000;
}
.content4 .item:first-child {
  margin-left: 0;
}
.content4 .item a {
  display: block;
  height: 100%;
  position: absolute;
  width: 100%;
  top: 0;
  left: 0;
}
.content4 .item img {
  width: 100%;
}
.content4 .item .bottom-cover {
  background-color: #cd0111;
  position: absolute;
  width: 100%;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0 auto;
  font-size: 18px;
  font-weight: bold;
  height: 56px;
  color: #fff;
  text-align: center;
  transition: height 0.3s 0s ease;
  -o-transition: height 0.3s 0s ease;
  -ms-transition: height 0.3s 0s ease;
  -moz-transition: height 0.3s 0s ease;
  -webkit-transition: height 0.3s 0s ease;
}
.content4 .item .bottom-cover div {
  height: 56px;
  line-height: 56px;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  transition: bottom 0.6s 0s ease;
  -o-transition: bottom 0.6s 0s ease;
  -ms-transition: bottom 0.6s 0s ease;
  -moz-transition: bottom 0.6s 0s ease;
  -webkit-transition: bottom 0.6s 0s ease;
}
.content4 .item:hover .bottom-cover {
  height: 100%;
}
.content4 .item:hover .bottom-cover div {
  bottom: 50%;
}
.content5 {
  height: 730px;
  background-color: #f8f8f8;
}
.content5 .map-container {
  width: 60%;
  height: 100%;
  background-color: #bbb;
  float: left;
  position: relative;
}
.content5 .map-container .more {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: #e60012  no-repeat center center;
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto 0;
  right: -35px;
  transition: all 1s 0s ease;
  -o-transition: all 1s 0s ease;
  -ms-transition: all 1s 0s ease;
  -moz-transition: all 1s 0s ease;
  -webkit-transition: all 1s 0s ease;
}
.content5 .map-container .more a {
  display: block;
  height: 100%;
}
.content5 .map-container .more:hover {
  transform: rotate(360deg);
}
.content5 #map {
  width: 100%;
  height: 100%;
}
.content5 #map .base {
  padding: 5px 8px;
}
.content5 #map .base p {
  font-size: 16px;
}
.content5 #map .base .address {
  font-size: 14px;
  padding-top: 10px;
}
.content5 #map .base .tel {
  padding-top: 4px;
  font-size: 14px;
  color: #cd0111;
}
.content5 .bmap_cpyctrl,
.content5 .anchorbl {
  display: none;
}
.content5 .btn-group {
  position: absolute;
  bottom: 10%;
  left: 26%;
  width: 700px;
}
.content5 .btn-group:after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  float: none;
  clear: both;
}
.content5 .btn-group div {
  cursor: pointer;
  float: left;
  font-size: 24px;
  margin-left: 42px;
  margin-bottom: 20px;
  width: 128px;
  height: 56px;
  line-height: 56px;
  border: 2px solid #fff;
  color: #cd0111;
  background-color: #fff;
  border-radius: 30px;
  transition: all 0.3s 0s ease;
  -o-transition: all 0.3s 0s ease;
  -ms-transition: all 0.3s 0s ease;
  -moz-transition: all 0.3s 0s ease;
  -webkit-transition: all 0.3s 0s ease;
}
.content5 .btn-group div:before {
  content: '';
  display: inline-block;
  width: 9px;
  height: 9px;
  vertical-align: middle;
  margin: 0 20px;
  border-radius: 50%;
  background-color: #cd0111;
  transition: background-color 0.3s 0s ease;
  -o-transition: background-color 0.3s 0s ease;
  -ms-transition: background-color 0.3s 0s ease;
  -moz-transition: background-color 0.3s 0s ease;
  -webkit-transition: background-color 0.3s 0s ease;
}
.content5 .btn-group div.on {
  border-color: #cd0111;
}
.content5 .btn-group div:not(.on):hover {
  transform: translatey(-10px);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  background-color: #cd0111;
  color: #fff;
  border-color: #cd0111;
}
.content5 .btn-group div:not(.on):hover:before {
  background-color: #fff;
}
.content5 .right {
  float: left;
  width: 35%;
  margin-left: 5%;
  height: 100%;
}
.content5 .right h3 {
  color: #cd0111;
  width: 300px;
  font-size: 42px;
  line-height: 62px;
  margin: 66px 0 20px;
}
.content5 .right .sub-title {
  font-size: 22px;
  color: #c6c6c6;
}
.content5 .right .count {
  margin: 60px 0 30px;
  font-size: 24px;
  color: #cd0111;
}
.content5 .right .count span {
  color: #333;
  vertical-align: bottom;
}
.content5 .right .count span:first-child {
  letter-spacing: -6px;
  font-size: 98px;
  color: #cd0111;
  line-height: 88px;
}
.content5 .right p {
  font-size: 18px;
  line-height: 36px;
  width: 425px;
  text-align: justify;
}
.content5 .right .more {
  margin-top: 46px;
  width: 300px;
  line-height: 64px;
  font-size: 16px;
  border: 1px solid #e5e1e1;
  border-radius: 33px;
  font-weight: bold;
  overflow: hidden;
}
.content5 .right .more a {
  display: block;
  color: #cd0111;
  padding-left: 34px;
}
.content5 .right .more i {
  background:  no-repeat 50% 46%;
  display: inline-block;
  width: 64px;
  height: 64px;
  vertical-align: middle;
  margin-left: 80px;
}
.content5 .right .more:hover i {
  animation: more 1.4s;
}
@-webkit-keyframes more {
  0% {
    background-position-x: 50%;
  }
  50% {
    background-position-x: 240%;
  }
  50.1% {
    background-position-x: -160%;
  }
  100% {
    background-position-x: 50%;
  }
}
@keyframes more {
  0% {
    background-position-x: 50%;
  }
  50% {
    background-position-x: 240%;
  }
  50.1% {
    background-position-x: -160%;
  }
  100% {
    background-position-x: 50%;
  }
}
@media screen and (max-width: 1600px) {
  .content1 {
    padding: 50px 0 50px;
  }
  .content1 .title1 {
    font-size: 16px;
    margin-bottom: 6px;
  }
  .content1 .title2 {
    font-size: 36px;
    margin-bottom: 12px;
  }
  .content1 .yybm {
    margin-bottom: 60px;
  }
  .content2 {
    padding: 54px 0 70px;
  }
  .content4 {
    padding: 48px 0 90px;
  }
  .content5 {
    height: 650px;
  }
  .content5 .btn-group {
    width: 570px;
  }
  .content5 .btn-group div {
    font-size: 22px;
    width: 110px;
    height: 48px;
    line-height: 48px;
    margin-left: 28px;
  }
  .content5 .btn-group div:before {
    margin: 0 15px;
  }
  .content5 .right h3 {
    width: 276px;
    font-size: 38px;
    line-height: 56px;
    margin: 48px 0 16px;
  }
  .content5 .right .sub-title {
    font-size: 20px;
  }
  .content5 .right .count {
    margin: 52px 0 26px;
    font-size: 22px;
  }
  .content5 .right .count span:first-child {
    font-size: 86px;
    line-height: 76px;
  }
  .content5 .right p {
    font-size: 16px;
    line-height: 32px;
  }
  .content5 .right .more {
    margin-top: 58px;
    width: 270px;
    line-height: 56px;
  }
  .content5 .right .more i {
    margin-left: 46px;
    height: 56px;
  }
}
@media screen and (max-width: 1440px) {
  body {
    padding-top: 90px;
  }
  .content1 {
    padding: 32px 0 32px;
  }
  .content1 .title1 {
    margin-bottom: 3px;
  }
  .content1 .title2 {
    font-size: 32px;
    margin-bottom: 10px;
  }
  .content1 .yybm {
    margin-bottom: 40px;
  }
  .more1 {
    width: 64px;
    height: 40px;
  }
  .content3 p {
    font-size: 24px;
  }
  .content3 .icon {
    width: 72px;
  }
  .content3 div {
    height: 140px;
  }
  .content4 {
    padding: 48px 0 90px;
  }
  .content5 {
    height: 560px;
    left: 38%;
  }
  .content5 .btn-group {
    width: 570px;
  }
  .content5 .btn-group div {
    font-size: 18px;
    width: 90px;
    height: 38px;
    line-height: 38px;
    margin-left: 22px;
  }
  .content5 .btn-group div:before {
    margin: 0 13px;
  }
  .content5 .right h3 {
    width: 228px;
    font-size: 32px;
    line-height: 44px;
    margin: 36px 0 14px;
  }
  .content5 .right .sub-title {
    font-size: 18px;
  }
  .content5 .right .count {
    margin: 36px 0 20px;
    font-size: 20px;
  }
  .content5 .right .count span:first-child {
    font-size: 68px;
    line-height: 60px;
  }
  .content5 .right p {
    width: 284px;
    line-height: 28px;
  }
  .content5 .right .more {
    margin-top: 48px;
  }
}
@media screen and (max-width: 1365px) {
  .content1 .item {
    width: 200px;
    height: 200px;
    margin-left: 66.666px;
  }
  .content1 .item .icon {
    top: 40px;
    width: 62px;
  }
  .content1 .item strong {
    font-size: 18px;
    line-height: 32px;
  }
  .content1 .item span {
    font-size: 14px;
  }
  .content1 .item:hover strong {
    font-size: 20px;
  }
  .content2 .img {
    width: 430px;
  }
  .content2 .text {
    padding-top: 20px;
    width: 530px;
  }
  .content2 .text h3 {
    font-size: 32px;
  }
  .content4 h3 {
    font-size: 32px;
  }
  .content4 p {
    width: 800px;
  }
  .content4 .item {
    width: 300px;
    margin-left: 50px;
  }
}
@media screen and (max-width: 1024px) {
  body {
    padding-top: 3rem;
  }
  .banner .banner-pagination {
    padding-top: 0;
    bottom: 5%;
    width: 60%;
    text-align: center;
    left: 20%;
    line-height: 0;
  }
  .banner .banner-pagination span {
    width: 0.4rem;
    height: 0.4rem;
    margin: 0 0.3rem;
  }
  .content1 {
    padding: 1.6rem 0 1.8rem;
  }
  .content1 .title {
    margin-bottom: 3px;
    font-size: 0.8rem;
  }
  .content1 .title2 {
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
  }
  .content1 .content1 .yybm {
    margin-bottom: 2rem;
    width: 6.5rem;
    height: 0.1rem;
  }
  .content1 .content1 .yybm span {
    width: 1.5rem;
  }
  .content1 .item-wrap {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  .content1 .item {
    float: none;
    margin-left: 0;
    width: 7.5rem;
    height: 7.5rem;
    margin-bottom: 1rem;
  }
  .content1 .item .icon {
    top: 1.2rem;
    width: 2.7rem;
  }
  .content1 .item strong {
    font-size: 0.8rem;
    margin-top: 3.9rem;
  }
  .content1 .item span {
    font-size: 0.7rem;
  }
  .content1 .item:active {
    background-image: ;
  }
  .content1 .item:active .icon2 {
    opacity: 0;
  }
  .content1 .item:active strong {
    color: #fff;
    font-size: 0.9rem;
  }
  .content1 .item:active span {
    color: #cd0111;
  }
  .content2 .img {
    width: 100%;
    float: none;
  }
  .content2 .text {
    float: none;
    width: 100%;
    text-align: center;
  }
  .content2 .text h3 {
    font-size: 1.3rem;
    margin-bottom: 0.7rem;
  }
  .content2 .text p {
    font-size: 0.7rem;
    line-height: 1.2rem;
  }
  .content3 {
    position: relative;
    height: 9rem;
  }
  .content3 .bg {
    height: 100%;
    width: auto;
    position: absolute;
    top: 0;
    left: -10rem;
    right: -10rem;
    margin: 0 auto;
  }
  .content3 div {
    width: 100%;
    height: 4.8rem;
  }
  .content3 .icon {
    width: 2.8rem;
  }
  .content3 p {
    opacity: 1;
    font-size: 1rem;
    margin-bottom: 0.7rem;
  }
  .content3 p.in,
  .content3 p.out {
    animation: none;
  }
  .video-cover video {
    width: 86%;
  }
  .content4 {
    padding: 2rem 0 2.5rem;
  }
  .content4 h3 {
    font-size: 1.5rem;
  }
  .content4 .layout > span {
    width: 3.1rem;
    height: 0.1rem;
  }
  .content4 p {
    width: 100%;
    font-size: 0.6rem;
    line-height: 0.9rem;
    margin: 0.7rem auto 2.5rem;
  }
  .content5 {
    background-color: #fff;
    height: auto;
  }
  .content5 .map-container {
    height: 12rem;
    float: none;
    width: 100%;
  }
  .content5 .map-container .more {
    display: none;
  }
  .content5 #map {
    width: 100%;
    height: 100%;
  }
  .content5 #map .base {
    padding: 0;
  }
  .content5 #map .base p {
    font-size: 0.7rem;
  }
  .content5 #map .base .address {
    font-size: 0.6rem;
    padding-top: 0.4rem;
  }
  .content5 #map .base .tel {
    padding-top: 0.15rem;
    font-size: 0.6rem;
  }
  .content5 .btn-group {
    position: static;
    width: 92%;
    padding: 0 4%;
    margin: 1rem auto 0.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .content5 .btn-group div {
    border-color: #fff;
    border-radius: 1rem;
    margin-left: 0;
    text-align: center;
    height: 2rem;
    width: 20%;
    font-size: 0.8rem;
    box-shadow: 0 0 8px 0 #ccc;
  }
  .content5 .btn-group div:before {
    content: none;
  }
  .content5 .btn-group:after {
    content: none;
  }
  .content5 .right {
    padding: 1.2rem 0 1.5rem;
    text-align: center;
    margin: 8rem auto 0;
    height: auto;
    float: none;
    width: 92%;
    background-color: #f8f8f8;
  }
  .content5 .right h3 {
    width: 11rem;
    font-size: 1.5rem;
    line-height: 2rem;
    margin: 0 auto 0.7rem;
  }
  .content5 .right .count {
    display: none;
  }
  .content5 .right p {
    width: 89%;
    margin: 1rem auto;
  }
  .content5 .right .more {
    margin: 0 auto;
  }
  .content4 .item {
    width: 100%;
    height: auto;
    box-shadow: 0 0 #000;
    margin-bottom: 1.5rem;
    margin-left:0;
  }
  .content4 .item img {
    width: 80%;
  }
  .content4 .item .content {
    height: 7.2rem;
  }
  .content4 .item .title {
    font-size: 0.9rem;
    width: 5.5rem;
    height: 5.5rem;
    line-height: 5.5rem;
    margin-bottom: 0.8rem;
  }
  .content4 .item .text {
    font-size: 0.7rem;
  }
  .content4 .item a {
    width: 80%;
    right: 0;
    margin: 0 auto;
  }
  .content4 .item .bottom-cover {
    width: 80%;
    height: 2.2rem;
    font-size: 0.9rem;
  }
  .content4 .item .bottom-cover div {
    height: 2.2rem;
    line-height: 2.2rem;
  }
  .content4 .item:hover .bottom-cover {
    height: 2.2rem;
  }
  .content4 .item:hover .bottom-cover div {
    bottom: 0;
  }
}