body {
  overflow-x: hidden;
}

.m-warp {
  max-width: 1200px;
  width: 1200px;
  min-width: 1200px;
  margin: 0 auto;
  overflow: visible;
}

.page-main {
  overflow-x: hidden;
  background: #fff;
}

.banner {
  display: block;
  min-width: 1200px;
  height: 530px;
  margin: 0 auto;
  background: url('../images/shortvideo_case/banner.jpg') no-repeat center/auto 100%;
}

.banner a {
  width: 100%;
  height: 100%;
  display: block;
}

.footer1 {
  display: block;
  min-width: 1200px;
  height: 340px;
  margin: 0 auto;
  background: url('../images/shortvideo_case/footer.jpg') no-repeat center/auto 100%;
  padding-top: 102px;
  box-sizing: border-box;
}

.footer__title {
  font-size: 50px;
  line-height: 54px;
  text-align: center;
  color: #fff;
  font-weight: bold;
}

.footer-btn {
  display: block;
  width: 208px;
  height: 64px;
  margin: 46px auto 0;
  background: url('../images/shortvideo_case/footer__btn.png') no-repeat center/auto 100%;
}



/* 主体内容 */

.title {
  text-align: center;
  font-size: 50px;
  line-height: 54px;
  color: #171838;
  font-weight: bold;
}

.subhead {
  font-size: 20px;
  line-height: 38px;
  color: #686883;
  text-align: center;
  width: 1080px;
  padding-top: 48px;
  margin: 0 auto;
}

.subhead span {
  font-weight: bold;
}


/* 
* 雪碧图
*/

.screen-one-icon {
  background: url(../images/shortvideo_case/screen-one-icon.png) no-repeat center;
  width: 120px;
  height: 126px;
}

.screen-one-1 {
  background-position: -2px -2px
}

.screen-one-2 {
  background-position: -124px -2px
}

.screen-one-3 {
  background-position: -246px -2px
}

.screen-one-4 {
  background-position: -368px -2px
}

.screen-seven-img {
  background: url(../images/shortvideo_case/screen-seven-img.png) no-repeat center;
  width: 416px;
  height: 416px;
}

.seven-img-01 {background-position: -0px -0px}
.seven-img-02 {background-position: -416px -0px}
.seven-img-03 {background-position: -832px -0px}
.seven-img-04 {background-position: -0px -416px}
.seven-img-05 {background-position: -416px -416px}
.seven-img-06 {background-position: -832px -416px}
.seven-img-07 {background-position: -0px -832px}
.seven-img-08 {background-position: -416px -832px}
.seven-img-09 {background-position: -832px -832px}


/* 
* ========== End 雪碧图 ===========
*/

.btn-more {
  font-size: 26px;
  line-height: 70px;
  color: #fff;
  text-align: center;
	background: linear-gradient(0deg, 
		#f55b50 0%, 
		#ff955b 100%);
  box-shadow: 0px 10px 35px 0px rgba(19, 19, 19, 0.15);
  width: 314px;
  border-radius: 40px;
  margin: 84px auto 0;
  cursor: pointer;
  display: block;
}

.btn-more .btn-more-arrow {
  width: 0;
  height: 25px;
  vertical-align: middle;
  display: inline-block;
  transition: all 0.3;
  position: relative;
  z-index: 1;
}

.btn-more .btn-more-arrow::after {
  content: "";
  width: 30px;
  height: 25px;
  background: url('../images/shortvideo_mall/btn-more-arrow.png') no-repeat center/auto 100%;
  transition: all 0.3;
  transform: translateX(0);
  opacity: 0;
  display: inline-block;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
}

.btn-more:hover .btn-more-arrow {
  width: 30px;
}

.btn-more:hover .btn-more-arrow::after {
  animation: btn-more 1.5s linear infinite;
}

@keyframes btn-more {
  0% {
    transform: translateX(0);
    opacity: 0;
  }

  15% {
    opacity: 1;
  }

  50% {
    transform: translateX(15px);
    opacity: 1;
  }

  85% {
    opacity: 1;
  }

  100% {
    transform: translateX(30px);
    opacity: 0;
  }
}


/* 
* 内容区
*/

.screen-box {
  position: relative;
  z-index: 2;
}

.screen-one {
  padding: 108px 0 77px;
  background: #fff;
  max-width: 1920px;
  margin: 0 auto;
}

.screen-one .list {
  padding-top: 108px;
  font-size: 0;
  margin: 0 -52px;
}

.screen-one .item {
  display: inline-block;
  vertical-align: top;
  width: 294px;
  height: 269px;
  background-color: #ffffff;
  box-shadow: 0px 0px 8px 0px rgba(212, 212, 212, 0.6);
  border-radius: 14px;
  margin: 0 16px;
}

.screen-one .screen-one-icon {
  margin: -72px auto 0;
}


.screen-one .item__title {
  font-size: 30px;
  line-height: 32px;
  color: #333349;
  font-weight: bold;
  text-align: center;
  margin-top: 56px;
}

.screen-one .item__label {
  font-size: 20px;
  line-height: 30px;
  color: #686883;
  text-align: center;
  padding-top: 21px;
}

.screen-one .item:hover{
  transform: translateY(-10px);
}

.screen-one  .item .screen-one-icon{
}

.screen-one  .item:hover .screen-one-icon{
  animation: four-icon 0.5s linear;
}

@keyframes four-icon{
  0%{
      transform: translateY(0);
  }
  30%{
      transform: translateY(-30px);
  }
  60%{
      transform: translateY(0);
  }
  80%{
      transform: translateY(-10px);
  }
  100%{
      transform: translateY(0);
  }
}



.screen-two {
  padding: 98px 0 94px;
  background:#f9f9f9;
}

.screen-two .two__title{
  font-size: 45px;
  line-height: 47px;
  color: #fd545c;
  text-align: center;
  font-weight: bold;
  padding-top: 65px;
}

.screen-two .list{
  padding-top: 71px;
}

.screen-two .item{
  width: 1346px;
  height: 607px;
  box-shadow: 0px 4px 28px 0px 
  rgba(207, 207, 207, 0.2);
  margin: 0 auto 95px;
  margin-left: -74px;
}

.screen-two .item:last-child{
  margin-bottom: 0;
}

.screen-two .item img{
  width: 100%;
  height: 100%;
  display: block;
}

.screen-three{
  background: #f9f9f9;
  /* width: 1920px; */
  /* margin: 0 auto; */
}
.screen-three .img{
  min-width: 1200px;
  height: 793px;
  /* min-width: 1920px; */
  box-shadow: 0px 4px 28px 0px 
  rgba(207, 207, 207, 0.2);
  margin: 0 auto;
  background: url("../images/shortvideo_case/screen-three-img.jpg") no-repeat center/auto 100%;
}

.screen-three .img1{
  min-width: 1200px;
  height: 908px;
  /* min-width: 1920px; */
  box-shadow: 0px 4px 28px 0px 
  rgba(207, 207, 207, 0.2);
  margin: 0 auto;
  background: url("../images/shortvideo_case/screen-four-img.jpg") no-repeat center/auto 100%;
}

.screen-three .img:last-child{
  box-shadow: none;
}

.screen-three .img:first-child{
  position: relative;
}



.screen-seven {
  padding: 100px 0 113px;
  max-width: 1920px;
  margin: 0 auto;
}

.screen-seven .seven-banner{
  background: url("../images/shortvideo_case/screen-seven-banner.jpg") center/auto 100% no-repeat;
  width: 1319px;
  height: 412px;
  margin-left: -60px;
  margin-top: 74px;
}

.screen-seven .list {
  padding-top: 31px;
  font-size: 0;
  margin: 0 -78px -42px; 
}

.screen-seven .item {
  margin: 0 18px 42px;
  position: relative;
  z-index: 1;
  display: inline-block;
}





/* 
* ========== End 内容区 ===========
*/