html {
  -webkit-text-size-adjust: none;
}
.l-container {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
}
@media (max-width: 1439px) {
  .l-container {
    max-width: 1200px;
  }
}
@media (max-width: 1279px) {
  .l-container {
    padding-left: 3%;
    padding-right: 3%;
  }
}
@media (max-width: 767px) {
  .l-container {
    padding-left: 15px;
    padding-right: 15px;
  }
}
.mb {
  display: none;
}
.fold-icon {
  display: none !important;
  width: 12px;
  height: 12px;
  background: url("../images/ifold.svg") center no-repeat;
  background-size: cover;
  position: absolute;
  right: 30px;
  top: 50%;
  margin-top: -6px;
  transition: all 0.3s;
  transform: rotateX(180deg);
}
.unfold.fold-icon {
  transform: rotateX(0);
}
@media (max-width: 978px) {
  .unfold.fold-icon {
    background-size: cover;
  }
  .unfold.fold-icon .pc {
    display: none !important;
  }
  .unfold.fold-icon .mb {
    display: block !important;
  }
  .unfold.fold-icon .fold-icon {
    display: block !important;
  }
}
.l-btn {
  height: 48px;
  line-height: 48px;
  padding: 0 30px;
  border: 1px solid #32ced7;
  color: #32ced7;
  font-size: 16px;
  vertical-align: middle;
  text-align: center;
  transition: all 0.3s;
  border-radius: 4px;
  float: left;
  margin-top: 10px;
  margin-right: 20px;
}
.l-btn + .l-btn {
  margin-right: 0;
}
.l-btn:hover {
  color: #42dde6;
  border: 1px solid #42dde6;
}
.l-btn.green {
  color: #fff;
  border: 1px solid #32ced7;
  background: #32ced7;
}
.l-btn.green:hover {
  background: #42dde6;
}
.l-btn.gray {
  color: #666;
  border: 1px solid #f3f7fd;
  background: #f3f7fd;
}
.l-btn.gray:hover {
  background: #f3f7fd;
  color: #666;
  border-color: #f3f7fd;
}
.l-btn.orange {
  color: #fff;
  border: 1px solid #f59a23;
  background: #f59a23;
}
.l-btn.orange:hover {
  border: 1px solid #ffa632;
  background: #ffa632;
}
@media (max-width: 978px) {
  .l-btn {
    float: none;
    height: 36px;
    line-height: 36px;
    font-size: 14px;
    padding: 0 28px;
    display: inline-block;
    vertical-align: middle;
    text-align: center;
    margin-right: 10px;
  }
  .l-btn + .l-btn {
    margin-right: 0;
  }
}
.clearfix:after {
  /*伪元素是行内元素 正常浏览器清除浮动方法*/
  content: "";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}
.clearfix {
  *zoom: 1;
  /*ie6清除浮动的方式 *号只有IE6-IE7执行，其他浏览器不执行*/
}
.tab[data-direction="cross"] > .tab_btn > li {
  float: left;
  text-align: center;
}
.tab[data-direction="cross"] > .tab_btn > li > p {
  display: inline-block;
  font-size: 18px;
  color: #333;
  cursor: pointer;
}
.tab[data-direction="cross"] > .tab_item > li {
  float: left;
}
.tab[data-direction="cross"][data-index="2"] > .tab_btn > li {
  width: 50%;
}
.tab[data-direction="cross"][data-index="3"] > .tab_btn > li {
  width: 33.333%;
}
.tab[data-direction="cross"][data-index="4"] > .tab_btn > li {
  width: 25%;
}
.tab[data-direction="vertical"] > .tab_btn > li > p {
  display: inline-block;
  font-size: 18px;
  color: #333;
  cursor: pointer;
}
.tab[data-direction="vertical"] > .tab_item > li {
  float: left;
}
.tab[data-direction="vertical"][data-index="2"] > .tab_btn > li {
  width: 50%;
}
.tab[data-direction="vertical"][data-index="3"] > .tab_btn > li {
  width: 33.333%;
}
.tab[data-direction="vertical"][data-index="4"] > .tab_btn > li {
  width: 25%;
}
.l-section {
  padding-top: 56px;
  padding-bottom: 56px;
  background-color: #fff;
}
.l-title {
  padding-bottom: 60px;
  font-size: 0;
  text-align: center;
}
.l-title h2 {
  font-size: 28px;
  color: #000;
}
.l-title p {
  font-size: 16px;
  line-height: 22px;
  margin-top: 20px;
  color: #666666;
  text-align: center;
}
@media (max-width: 978px) {
  .l-section {
    padding-top: 30px;
    padding-bottom: 30px;
  }
  .l-title {
    padding-bottom: 30px;
    font-size: 0;
    text-align: center;
  }
  .l-title h2 {
    font-size: 24px;
    font-weight: 400;
  }
}
.remind-block {
  display: inline-block;
  vertical-align: middle;
  font-size: 14px;
  color: #00adbb;
  height: 20px;
  line-height: 20px;
  position: relative;
  overflow: hidden;
  text-align: center;
  width: calc( 100% - 50px );
  max-width: 300px;
  z-index: 100;
}
.marquee-block {
  display: inline-block;
  width: 100%;
  height: 100%;
  vertical-align: middle;
  overflow: hidden;
  box-sizing: border-box;
  position: relative;
}
.marquee {
  animation: marquee 3s linear infinite;
  white-space: nowrap;
  position: absolute;
}
.marqueeT {
  top: 100%;
  animation: marqueeT 3s 1.5s linear infinite;
  white-space: nowrap;
  position: absolute;
}
@keyframes marquee {
  0% {
    top: 100%;
  }
  100% {
    top: -100%;
  }
}
@keyframes marqueeT {
  0% {
    top: 100%;
  }
  100% {
    top: -100%;
  }
}
.banner {
  background: url(../images/banner-bg.png) center no-repeat;
  background-size: cover;
}
.banner .l-btn {
  border-radius: 24px;
}
.banner-main {
  float: left;
  line-height: 560px;
  height: 560px;
  width: calc(100% - 600px);
  padding-right: 0;
}
.banner-main .banner-topic {
  margin-bottom: 10px;
}
.banner-main .banner-topic i {
  display: inline-block;
  width: 106px;
  height: 20px;
  background: #00adbb;
  vertical-align: middle;
  background: url(../images/banner-icon.svg) center no-repeat;
  background-size: cover;
}
.banner-main .banner-topic span {
  display: inline-block;
  vertical-align: middle;
}
.banner-main .banner-info {
  display: inline-block;
  vertical-align: middle;
  line-height: 1rem;
}
.banner-main h1 {
  font-size: 48px;
  color: #000000;
  letter-spacing: 0;
  line-height: 60px;
  font-weight: 500;
}
.banner-main h2 {
  font-size: 28px;
  color: #000000;
  letter-spacing: 0;
  line-height: 60px;
  font-weight: 500;
}
.banner-main p {
  font-size: 16px;
  color: #575b62;
  letter-spacing: 0;
  line-height: 24px;
  font-weight: 400;
  margin-top: 20px;
  margin-bottom: 40px;
}
.banner-img {
  float: left;
  height: 400px;
  width: 600px;
  position: relative;
}
.banner-img img {
  display: block;
  margin: 0 auto;
  width: 100%;
  margin-top: 80px;
}
.banner-img .video-btn {
  position: absolute;
  width: 60px;
  height: 60px;
  background: url(../images/video-btn.svg) center no-repeat;
  left: 50%;
  margin-left: -20px;
  top: 255px;
  z-index: 2;
  cursor: pointer;
  transition: all 0.3s;
}
.banner-img .video-btn:hover {
  background: url(../images/video-btn-h.svg) center no-repeat;
}
.banner-img .video-btn::after {
  position: absolute;
  border-radius: 50%;
  content: "";
  width: 60px;
  height: 60px;
  background: #fff;
  z-index: 1;
  -webkit-animation: water 1s linear infinite;
  animation: water 1s linear infinite;
}
.banner-img .video-close {
  width: 15px;
  height: 15px;
  position: absolute;
  background: url(../images/video-close.svg) center no-repeat;
  background-size: 100% 100%;
  right: 40px;
  top: 160px;
  z-index: 2;
  cursor: pointer;
  display: none;
}
.banner-img .video-box {
  position: absolute;
  width: 560px;
  height: 308px;
  top: 145px;
  left: 50px;
  border-radius: 8px;
  overflow: hidden;
}
.banner-img video {
  width: 100%;
  object-fit: fill;
}
@media (max-width: 978px) {
  .banner {
    text-align: center;
    padding: 40px 0 10px 0;
    position: relative;
    background: url(../images/banner-bg-mb.png) center no-repeat;
    background-size: cover;
  }
  .banner .l-btn {
    margin-bottom: 0;
    margin-top: 30px;
    display: none;
  }
  .banner a {
    width: 152px;
    margin-bottom: 40px;
  }
  .banner-main {
    float: none;
    line-height: 0;
    height: auto;
    width: 100%;
    padding-right: 0;
    margin-bottom: 35px;
  }
  .banner-main .banner-info {
    display: inline-block;
    width: 100%;
    vertical-align: middle;
    line-height: 0;
  }
  .banner-main .banner-topic {
    margin-bottom: 10px;
  }
  .banner-main .banner-bottom {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
  }
  .banner-main .banner-bottom i {
    width: 20px;
    height: 20px;
  }
  .banner-main h1 {
    font-size: 26px;
    color: #000000;
    line-height: 32px;
    margin-bottom: 0px;
    text-align: center;
    max-width: 290px;
    display: inline-block;
    margin: 0 auto;
  }
  .banner-main p {
    display: none;
  }
  .banner-img {
    float: none;
    height: auto;
    width: auto;
    display: inline-block;
    padding-left: -1px;
    margin-bottom: 30px;
    margin-left: 0;
    width: 320px;
  }
  .banner-img img {
    display: block;
    margin: 0 auto;
    width: 100%;
    margin-top: -1px;
  }
}
.challenge .l-body ul li {
  float: left;
  width: 33.33%;
  padding: 0 30px;
  text-align: center;
}
.challenge .l-body ul li img {
  display: inline-block;
  width: 72px;
  height: 72px;
  margin-bottom: 30px;
}
.challenge .l-body ul li h2 {
  font-size: 20px;
  color: #000000;
  letter-spacing: 0;
  line-height: 30px;
  font-weight: 500;
  margin-bottom: 10px;
}
.challenge .l-body ul li p {
  font-size: 16px;
  color: #666666;
  letter-spacing: 0;
  text-align: center;
  line-height: 24px;
  font-weight: 400;
}
@media (max-width: 978px) {
  .challenge {
    background: #fff;
  }
  .challenge .l-title {
    text-align: center;
  }
  .challenge .l-body ul li {
    float: left;
    width: 100%;
    text-align: left;
    background: #ffffff;
    border-radius: 0;
    margin-bottom: 0;
    padding: 20px 0 20px 79px;
    position: relative;
    border-bottom: 1px solid #dde4f0;
  }
  .challenge .l-body ul li img {
    position: absolute;
    left: 0;
    top: 30px;
    width: 60px;
    height: 60px;
    margin-bottom: 0;
  }
  .challenge .l-body ul li h2 {
    font-size: 16px;
    color: #000000;
    letter-spacing: 0;
    line-height: 24px;
    font-weight: 500;
    margin-bottom: 10px;
  }
  .challenge .l-body ul li p {
    font-size: 14px;
    color: #666666;
    letter-spacing: 0;
    line-height: 20px;
    font-weight: 400;
    text-align: left;
  }
  .challenge .l-body ul li:last-child {
    border: none;
  }
}
.solution .l-body {
  display: flex;
  align-items: center;
  /* 垂直居中 */
}
.solution .l-content-info {
  width: calc( 100% - 600px );
}
.solution .l-content-info h2 {
  font-size: 32px;
  color: #000000;
  letter-spacing: 0;
  line-height: 40px;
  font-weight: 500;
  margin-bottom: 10px;
}
.solution .l-content-info p {
  font-size: 20px;
  color: #000000;
  letter-spacing: 0;
  line-height: 30px;
  font-weight: 500;
  margin-bottom: 20px;
}
.solution .l-content-info ul {
  margin-bottom: 20px;
}
.solution .l-content-info ul li {
  float: left;
  width: 100%;
}
.solution .l-content-info ul li p {
  font-size: 16px;
  color: #666666;
  line-height: 24px;
  font-weight: 400;
  margin-top: 0;
  margin-bottom: 15px;
  padding-left: 15px;
  position: relative;
}
.solution .l-content-info ul li p:after {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: #32ced7;
  border-radius: 50%;
}
.solution .l-content-info h2 + h2 + h2 {
  display: none;
}
.solution .l-content-img {
  width: 600px;
  font-size: 0;
  position: relative;
}
.solution .l-content-img .video-btn {
  position: absolute;
  width: 60px;
  height: 60px;
  background: url(../images/video-btn.svg) center no-repeat;
  left: 50%;
  margin-left: -30px;
  top: 40%;
  z-index: 2;
  cursor: pointer;
  transition: all 0.3s;
}
.solution .l-content-img .video-btn:hover {
  background: url(../images/video-btn-h.svg) center no-repeat;
}
.solution .l-content-img .video-btn::after {
  position: absolute;
  border-radius: 50%;
  content: "";
  width: 60px;
  height: 60px;
  background: #fff;
  z-index: 1;
  -webkit-animation: water 1s linear infinite;
  animation: water 1s linear infinite;
}
.solution .l-content-img .video-close {
  width: 15px;
  height: 15px;
  position: absolute;
  background: url(../images/video-close.svg) center no-repeat;
  background-size: 100% 100%;
  right: 9%;
  top: 17%;
  z-index: 2;
  cursor: pointer;
  display: none;
}
.solution .l-content-img .video-box {
  position: absolute;
  width: 87%;
  height: 72%;
  left: 50%;
  top: 50%;
  transform: translateX(-50%) translateY(-50%);
  margin-top: 0;
  overflow: hidden;
  z-index: 1;
}
.solution .l-content-img video {
  width: 100%;
  height: 100%;
  object-fit: fill;
}
.solution .l-content-img img {
  width: 100%;
}
.solution#solution .l-content-info,
.solution#solution-02 .l-content-info {
  padding-right: 100px;
}
.solution#solution-01 .l-content-info,
.solution#solution-03 .l-content-info {
  padding-left: 100px;
}
.solution .mb {
  display: none;
}
@media (max-width: 978px) {
  .solution .l-body {
    display: block;
  }
  .solution .l-btn {
    margin-top: 0;
    margin-bottom: 10px;
    display: none;
  }
  .solution .l-content-info {
    width: 100%;
    margin-bottom: 20px;
  }
  .solution .l-content-info h2 {
    font-size: 20px;
    color: #000000;
    line-height: 30px;
    font-weight: 500;
    display: inline-block;
    word-break: break-all;
    word-wrap: break-word;
  }
  .solution .l-content-info p {
    font-size: 16px;
    color: #000000;
    letter-spacing: 0;
    line-height: 24px;
    font-weight: 400;
    margin-bottom: 15px;
  }
  .solution .l-content-info ul {
    margin-bottom: 5px;
  }
  .solution .l-content-info ul li {
    float: left;
    width: 100%;
  }
  .solution .l-content-info ul li p {
    font-size: 14px;
    color: #666666;
    letter-spacing: 0;
    line-height: 20px;
    font-weight: 400;
    margin-top: 0;
    margin-bottom: 15px;
    padding-left: 15px;
    position: relative;
  }
  .solution .l-content-info ul li p:after {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    width: 8px;
    height: 8px;
    background: #90c424;
    border-radius: 50%;
  }
  .solution .l-content-info h2 {
    font-size: 22px;
    color: #90c424;
    letter-spacing: 0;
    line-height: 28px;
    font-weight: 500;
    margin-bottom: 10px;
  }
  .solution .l-content-img {
    width: 100%;
    font-size: 0;
    margin-bottom: 10px;
  }
  .solution .l-content-img img {
    width: 100%;
    margin-bottom: 0px;
    box-shadow: 0 7px 20px rgba(0, 0, 0, 0.05);
  }
  .solution .l-content-img .video-box {
    width: 88%;
    height: 65%;
    margin-top: -13px;
  }
  .solution .l-content-img .video-btn {
    width: 30px;
    height: 30px;
    background-size: 100% 100%;
    margin-left: 7px;
    left: 45%;
    top: 42%;
    margin-top: -10px;
    z-index: 2;
  }
  .solution .l-content-img .video-btn:hover {
    background: url(../images/video-btn-h.svg) center no-repeat;
    background-size: 100% 100%;
  }
  .solution .l-content-img .video-btn:after {
    width: 30px;
    height: 30px;
    left: 0;
    top: 0;
  }
  .solution#solution,
  .solution#solution-02 {
    background: rgba(144, 196, 36, 0.04);
  }
  .solution#solution .l-content-info,
  .solution#solution-02 .l-content-info {
    padding-right: 0;
  }
  .solution#solution-01,
  .solution#solution-03 {
    background: #f9fbff;
  }
  .solution#solution-01 .l-content-info,
  .solution#solution-03 .l-content-info {
    padding-left: 0;
  }
  .solution .pc {
    display: none;
  }
  .solution#solution-01 .l-content-info h2 {
    color: #1890ff;
  }
  .solution#solution-01 .l-content-info ul li p:after {
    background: #1890ff;
  }
  .solution#solution-02 .l-content-info h2 {
    color: #f1af31;
  }
  .solution#solution-02 .l-content-info ul li p:after {
    background: #f1af31;
  }
  .solution .mb {
    display: block;
  }
}
.product {
  background-image: url(../images/product-img-bg.png);
  background-size: cover;
  text-align: center;
}
.product .img-box {
  font-size: 0;
  display: inline-block;
}
.product .img-box img {
  width: 100%;
  margin-bottom: 40px;
}
.product .l-btn {
  float: none;
  margin-right: 0;
  display: inline-block;
}
@media (max-width: 978px) {
  .product {
    background-image: url(../images/product-bg-mb.png);
    background-size: cover;
  }
  .product .pc {
    display: none;
  }
  .product .l-container {
    padding-left: 0;
    padding-right: 0;
  }
  .product .l-title {
    padding-right: 15px;
    padding-left: 15px;
  }
  .product .img-box {
    display: none;
  }
  .product .mb {
    display: block;
  }
  .product .img-box div {
    display: none;
  }
  .product .product-tab {
    width: 100%;
  }
  .product .product-tab .tab_btn {
    width: 100%;
    opacity: 0;
    visibility: hidden;
    position: relative;
    top: -100px;
    padding-left: 15px;
    overflow: hidden;
    height: 40px;
  }
  .product .product-tab .tab_btn li {
    width: auto !important;
    float: left;
    font-size: 16px;
    color: #222222;
    letter-spacing: 0;
    line-height: 20px;
    font-weight: 400;
    margin-right: 30px;
  }
  .product .product-tab .tab_btn li h3 {
    padding-bottom: 20px;
    display: inline-block;
  }
  .product .product-tab .tab_btn .active h3 {
    color: #32ced7;
    position: relative;
  }
  .product .product-tab .tab_btn .active h3:after {
    content: "";
    position: absolute;
    bottom: 10px;
    left: 0;
    right: 0;
    height: 3px;
    background: #32ced7;
  }
  .product .product-tab .scroll-tab {
    overflow-x: scroll;
  }
  .product .product-tab .scroll-tab::-webkit-scrollbar {
    display: none;
  }
  .product .product-tab .scroll-tab .tab_btn {
    visibility: visible;
    opacity: 1;
    top: 0;
    width: 605px;
  }
  .product .product-tab .tab_item {
    padding-right: 15px;
    padding-left: 15px;
    margin-top: -30px;
  }
  .product .product-tab .tab_item li {
    width: 100%;
  }
  .product .product-tab .tab_item li span {
    float: left;
    width: calc(( 100% - 16px ) / 3 );
    margin-right: 8px;
    margin-bottom: 8px;
    font-style: 0;
    background: #ffffff;
    box-shadow: 0px 0px 30px 0px #efefef;
  }
  .product .product-tab .tab_item li span:nth-child(3n) {
    margin-right: 0;
  }
  .product .product-tab .tab_item li span img {
    display: inline-block;
    width: 100%;
  }
  .product .l-btn {
    margin-top: 20px;
    display: none;
  }
}
.success {
  padding-bottom: 146px;
}
.success .l-body .l-content-top {
  margin-bottom: 20px;
}
.success .l-body .l-content-top ul li {
  float: left;
  width: calc(( 100% - 60px ) / 3 );
  padding: 30px;
  margin-right: 30px;
  border-radius: 8px;
}
.success .l-body .l-content-top ul li:last-child {
  margin-right: 0;
}
.success .l-body .l-content-top ul li h2 {
  font-size: 18px;
  color: #000000;
  letter-spacing: 0;
  line-height: 28px;
  font-weight: 500;
  margin-bottom: 20px;
}
.success .l-body .l-content-top ul li p {
  margin-bottom: 20px;
}
.success .l-body .l-content-top ul li p img {
  width: 20px;
  height: 20px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 10px;
}
.success .l-body .l-content-top ul li p span {
  font-size: 14px;
  color: #666666;
  letter-spacing: 0;
  line-height: 20px;
  font-weight: 400;
  vertical-align: middle;
}
.success .l-body .l-content-top ul li:nth-child(1) {
  background: url(../images/success-bg-01.png) center no-repeat;
  background-size: cover;
}
.success .l-body .l-content-top ul li:nth-child(2) {
  background: url(../images/success-bg-02.png) center no-repeat;
  background-size: cover;
}
.success .l-body .l-content-top ul li:nth-child(3) {
  background: url(../images/success-bg-03.png) center no-repeat;
  background-size: cover;
}
.success .l-body .l-content-bottom {
  background: #f9fbff;
}
.success .l-body .l-content-bottom ul li {
  float: left;
  width: 25%;
  padding: 22px 0;
  text-align: center;
}
.success .l-body .l-content-bottom ul li img {
  display: inline-block;
  width: 80px;
  vertical-align: middle;
  font-style: 0;
  margin-right: 5px;
}
.success .l-body .l-content-bottom ul li h2 {
  display: inline-block;
  font-size: 14px;
  color: #3d4d6e;
  letter-spacing: 0;
  line-height: 20px;
  text-align: left;
  font-weight: 400;
  vertical-align: middle;
  max-width: calc( 100% - 100px);
}
@media (max-width: 978px) {
  .success {
    padding-bottom: 30px;
  }
  .success .l-body .l-content-top {
    display: none;
  }
  .success .l-body .l-content-bottom {
    background: #fff;
  }
  .success .l-body .l-content-bottom img {
    width: 100%;
  }
  .success .l-body .l-content-bottom ul li {
    float: left;
    width: 50%;
    padding: 22px 0;
    text-align: center;
  }
  .success .l-body .l-content-bottom ul li img {
    display: inline-block;
    width: 80px;
    vertical-align: middle;
    font-style: 0;
    margin-right: 0;
    margin-bottom: 10px;
  }
  .success .l-body .l-content-bottom ul li h2 {
    display: block;
    font-size: 12px;
    color: #3d4d6e;
    letter-spacing: 0;
    text-align: center;
    line-height: 14px;
    font-weight: 400;
    max-width: 100%;
    min-height: 28px;
  }
  .success .l-body .l-content-bottom ul li:nth-child(even) h2 {
    font-size: 14px;
  }
  .success .pc {
    display: none;
  }
  .success .mb {
    display: block;
  }
}
.ad {
  background: url(../images/ad-bg.png) center no-repeat;
  background-size: cover;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
}
.ad .l-container {
  height: 120px;
  text-align: left;
  padding: 30px 150px;
}
.ad .ad-info {
  display: inline-block;
  text-align: left;
  width: calc( 100% - 200px );
  vertical-align: middle;
}
.ad .ad-info h3 {
  font-size: 24px;
  color: #ffffff;
  letter-spacing: 0;
  line-height: 30px;
  font-weight: 500;
  margin-bottom: 5px;
}
.ad .ad-info p {
  font-size: 16px;
  color: #ffffff;
  letter-spacing: 0;
  line-height: 24px;
  font-weight: 400;
}
.ad .btn-box {
  width: 168px;
  margin: 0 auto;
  display: inline-block;
  vertical-align: middle;
  position: relative;
  top: 0;
}
.ad .btn-box a {
  margin-right: 0;
  border-radius: 24px;
  line-height: 44px;
  height: 44px;
  margin-top: 0;
}
@media (max-width: 978px) {
  .ad {
    background: url(../images/ad-bg-mb.png) center bottom no-repeat;
    background-size: 100% 100%;
    position: static;
  }
  .ad .l-container {
    height: auto;
    padding: 30px 50px;
    display: block;
    align-items: center;
    /*垂直居中*/
    justify-content: center;
    /*水平居中*/
  }
  .ad .ad-info {
    margin-right: 0;
    width: 100%;
    text-align: center;
    padding-top: 0;
    margin-bottom: 0;
  }
  .ad .ad-info h3 {
    font-size: 22px;
    color: #000000;
    letter-spacing: 0;
    text-align: center;
    line-height: 28px;
    font-weight: 500;
    margin-bottom: 0;
  }
  .ad .ad-info p {
    display: none;
  }
  .ad .btn-box {
    display: none;
  }
}