.case-roll {
  height: 760px;
  background-image: url(../img/ywmk/case-bg.png);
  transition: 0.5s;
  background-repeat: no-repeat;
  background-position: 40vw center;
  background-size: 60% 100%;
}
.case-roll .case-left-img {
  width: 40vw;
  height: 760px;
  position: absolute;
  transition: 0.5s;
}
.case-roll .roll-box {
  margin-left: 40vw;
  padding-left: 54px;
  padding-top: 40px;
  box-sizing: border-box;
  transition: 0.5s;
}
.case-roll .roll-box .ladyScroll {
  width: calc(100% + 180px);
  height: 484px;
  padding-top: 40px;
  margin-left: -180px;
  position: relative;
  transition: 0.5s;
}
.case-roll .roll-box .ladyScroll .scrollWrap {
  width: calc(100% + 180px);
  overflow: hidden;
  transition: 0.5s;
}
.case-roll .roll-box .ladyScroll dl {
  overflow: hidden;
  float: left;
  width: 458px;
  height: 444px;
  border-bottom: 2px solid transparent ;
  transition: border-bottom 0.5s;
  margin-right: 20px;
  background-color: #fff;
  border-radius: 2px 2px 2px 2px;
  position: relative;
  cursor: pointer;
  transition: 0.5s;
}
.case-roll .roll-box .ladyScroll dl dt {
  margin: 0 auto;
  width: 458px;
  height: 257px;
  overflow: hidden;
  transition: 0.5s;
}
.case-roll .roll-box .ladyScroll dl dt img {
  transition: 0.5s;
}
.case-roll .roll-box .ladyScroll dl dd {
  padding: 30px;
  overflow: hidden;
  transition: 0.5s;
}
.case-roll .roll-box .ladyScroll dl dd h3 {
  font-size: 18px;
  color: #1D2129;
  margin-bottom: 10px;
  font-weight: bold;
}
.case-roll .roll-box .ladyScroll dl dd p {
  font-size: 12px;
  color: #4E5969;
  line-height: 18px;
  -webkit-line-clamp: 5;
}
.case-roll .roll-box .ladyScroll dl:hover {
  border-bottom-color: #0052D9;
}
.case-roll .roll-box .ladyScroll dl:hover dt img {
  transform: scale(1.1);
}
.case-roll .roll-box .ladyScroll .switch-btn {
  padding-left: 180px;
  padding-top: 32px;
  transition: 0.5s;
}
.case-roll .roll-box .ladyScroll .switch-btn a {
  width: 37px;
  height: 37px;
  cursor: pointer;
  margin-right: 40px;
  border-radius: 50%;
  transition: 0.5s;
}
.case-roll .roll-box .ladyScroll .switch-btn a.prev {
  background-image: url(../img/arrow-left.png);
}
.case-roll .roll-box .ladyScroll .switch-btn a.next {
  background-image: url(../img/arrow-right.png);
}
.case-roll .roll-box .ladyScroll .switch-btn a:hover {
  background-color: #fff;
}
@media screen and (max-width: 1280px) {
}
@media screen and (max-width: 992px) {
  .case-roll {
    height: 123vw;
    background-image: url(../img/ywmk/case-bg.png);
    background-repeat: no-repeat;
    background-position: 40vw center;
    background-size: 60% 100%;
  }
  .case-roll .case-left-img {
    width: 40vw;
    height: 123vw;
    position: absolute;
  }
  .case-roll .roll-box {
    margin-left: 40vw;
    padding-left: 1em;
    padding-top: 1.2em;
    box-sizing: border-box;
  }
  .case-roll .roll-box .ladyScroll {
    width: calc(70vw + 20vw);
    height: calc(444 / 458 * 73vw + 1.5em);
    padding-top: 2em;
    margin-left: -20vw;
    position: relative;
  }
  .case-roll .roll-box .ladyScroll .scrollWrap {
    width: calc(70vw + 20vw);
    overflow: hidden;
  }
  .case-roll .roll-box .ladyScroll dl {
    overflow: hidden;
    float: left;
    width: 70vw;
    height: calc(444 / 458 * 73vw);
    border-bottom: 2px solid transparent ;
    transition: border-bottom 0.5s;
    margin-right: .8em;
    background-color: #fff;
    border-radius: 2px 2px 2px 2px;
    position: relative;
    cursor: pointer;
  }
  .case-roll .roll-box .ladyScroll dl dt {
    margin: 0 auto;
    width: 70vw;
    height: calc(257 / 458 * 70vw);
    overflow: hidden;
  }
  .case-roll .roll-box .ladyScroll dl dt img {
    transition: 0.5s;
  }
  .case-roll .roll-box .ladyScroll dl dd {
    padding: 1em;
    overflow: hidden;
    transition: 0.5s;
  }
  .case-roll .roll-box .ladyScroll dl dd h3 {
    font-size: 1.1em;
    color: #1D2129;
    margin-bottom: 10px;
    font-weight: bold;
  }
  .case-roll .roll-box .ladyScroll dl dd p {
    font-size: .85em;
    color: #4E5969;
    line-height: 18px;
    -webkit-line-clamp: 3;
  }
  .case-roll .roll-box .ladyScroll dl:hover {
    border-bottom-color: #0052D9;
  }
  .case-roll .roll-box .ladyScroll dl:hover dt img {
    transform: scale(1.1);
  }
  .case-roll .roll-box .ladyScroll .switch-btn {
    padding-left: 6em;
    padding-top: 1.5em;
  }
  .case-roll .roll-box .ladyScroll .switch-btn a {
    width: 2.5em;
    height: 2.5em;
    cursor: pointer;
    margin-right: 2em;
    border-radius: 50%;
  }
  .case-roll .roll-box .ladyScroll .switch-btn a.prev {
    background-image: url(../img/arrow-left.png);
  }
  .case-roll .roll-box .ladyScroll .switch-btn a.next {
    background-image: url(../img/arrow-right.png);
  }
  .case-roll .roll-box .ladyScroll .switch-btn a:hover {
    background-color: #fff;
  }
}