/* iframe */
header {
  padding-bottom: 0px;
}
.ullist {
       flex-direction: row;
}
.main_top2 {
  position: relative;
  width: 705px;
  margin: 0 auto;
  padding: 8px;
  overflow: hidden;
  border-radius: 12px;
}

.main_top2::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 4px; /* 边框粗细 */
  border-radius: inherit;

  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
background: linear-gradient(224deg, rgba(0, 0, 0, 0) 0%, hsl(205deg, 16%, 77%) 100%);
  pointer-events: none;
}

.m {
  padding-top: 48px;
}
.iframe_style {
  width: 60%;
  height: 100%;
}
.ol_li {
  height: 640px;
}
.iframe {
  height: 90%;
  display: flex;
  width: 100%;
  position: relative;
  justify-content: center;
}
.main_mainleft_love {
  height: 10%;
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 0px 0px 12px 12px;
  justify-content: space-between;
  background: linear-gradient(224deg, rgba(0, 0, 0, 0) 0%, hsl(205deg, 16%, 77%) 100%);
}
.mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;

  background-size: auto;
  border-radius: 12px;
}
.main_mainleft_Play {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
}
.main_mainleft_Play dl {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
.main_mainleft_Play dl dt {
  width: 140px;
  height: 140px;
  border-radius: 12px 12px 12px 12px;
  overflow: hidden;
}
.main_mainleft_Play dl dt img {
  width: 100%;
  height: 100%;
}

.ppPlay {
  width: 324px;
  margin-top: 30px;

  font-family: Poppins, Poppins;
  font-weight: 600;
  font-size: 16px;
  color: #fff;
  line-height: 24px;

  align-items: center;
  justify-content: center;
  display: flex;
  height: 44px;
  cursor: pointer;
}
.main {
  padding-top: 0px;
}

.hidden {
  display: none;
}
.fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
  z-index: 999999999999;
  display: flex;
  background: #292833;
  flex-direction: column-reverse;
}
.clss {
  margin-top: 10px;
}
.mainrteh6 {
  margin-top: 0px;
}
.jieshai {
  margin-top: 30px;
}
.main_mainleft_love p {
  font-family: Nunito, Nunito;
  font-weight: 800;
  font-size: 20px;
  color: #ffffff;
  line-height: 24px;
  text-align: left;
}
.main_mainlef_img {
  display: flex;
  margin-left: 140px;
}
.main_mainlef_img img {
  width: 20px;
  margin-right: 8px;
}
.icon-fullscreen:before {
  color: #fff;
  font-size: 20px;
  cursor: pointer;
}
.icon-collection-selected:before {
  width: 18px;
  height: 18px;
  color: #fff;
  display: inline-block;
}
.icon-collection-unselected:before {
  width: 16px;
  height: 16px;
  margin-right: 2px;
  color: #ccc;
  display: inline-block;
}
.topcre {
  margin-top: 42px;
}
.ppPlay .llow i {
  padding: 8px 98px;
  background: linear-gradient(224deg, rgba(0, 0, 0, 0) 0%, hsl(205deg, 16%, 77%) 100%);
}

@media (max-width: 1000px) {
  .main_top2 {
    width: 93%;
  }
  .main_mainlef_img {
    display: flex;
    margin-left: 0px;
  }
  .m {
    padding-top: 24px;
  }
  .ullist{
   display: none;
  }
}
@media (max-width: 750px) {
  .ol_li {
    height: 640px;
  }
  .iframe_style {
    width: 100%;
  }
}
@media (max-width: 900px) {
  .ul_lhome {
    display: block;
  }
}

@media (max-width: 750px) {
  .main_mainleft_love p {
    font-size: 14px;
    line-height: 18px;
  }
  .main_mainleft_love {
    flex-wrap: wrap;
    height: 10%;
  }
  .ppPlay .llow i {
    padding: 8px 90px;
  }
  .main_mainlef_img img {
    width: 16px;
  }
  .ppPlay {
    width: 250px;
    margin: 0 auto;
    margin-top: 30px;
    font-size: 14px;
    line-height: 20px;
  }
}