html,body {
  /* width: 1535px; */
  background-color: transparent;
  color: #f0f0f0;
  padding: 10px 0;
}



* {
	margin: 0;
	padding: 0;
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei";
  -ms-overflow-style: none;
  overflow: -moz-scrollbars-none; 
}

*::-webkit-scrollbar {
  width: 0 !important;
  display: none;
}

.content {
  padding: 0 20%;
}
.content_video {
  width: 80%;
  margin: 0 auto;
}
.content_slide {
  padding: 0 180px;
}

p {
  text-indent: 2em;
  margin: 1em 0;
  font-size: 20px;
  line-height: 2em;
}
b {
  font-weight: 900;
}
.vid_wrap {
  width: 100%;
  margin-top: 2em;
  text-align: center;
}
.center {
  text-align: center;
}
img.picture {
  width: 80%;
  margin-left: 10%;
  margin-top: 1.5em;
  margin-bottom: 1.5em;
}
.picture.fullwidth {
  width: 100%;
  margin-left: 0;
}
.heading_test {
  padding-left: 5em;
}
.test_wrap {
 margin-top: 5em;
 padding: 0 10em;
}
.test_item {
  margin-bottom: 2.3em;
  font-size: 20px;
}
.question {
  line-height: 2em;
}

.answer {
  padding:.8em;
  cursor: pointer;
  margin-top: .3em;
}

.answer.postcheck {
  cursor: default;
}
.answer.selected {
  background-color: rgb(48, 156, 250);
  border-radius: 5px;
  border: none;
}
.test_submit {
  width: 5.5em;
  padding: .5em 1em;
  margin: 0 auto;
  text-align: center;
  background-color: rgb(48, 156, 250);
  border-radius: 5px;
  border: none;
  cursor: pointer;
  margin-bottom: 5em;

}
.correct_answer {
  margin-top: .5em;
  font-weight: 800;
  color: red;
}
.score {
  padding: .8em;
  margin-top: 2em;
  margin-bottom: 5em;
  background-color: #f0f0f0;
  border-radius: 5px;
  border: none;
  color: red;
  text-align: center;
}

.questype {
  margin-bottom: 1em;
}

.gallery {
  position: relative;
}
.gallery .pic {
  position: absolute;
  width: 300px;
  height: 300px;
  /* background-image: url("../images/gbg.png");
  background-repeat: no-repeat;
  background-size: 100% 100%; */
  text-align: center;
  color: #000;
  font-size: 18px;
}
.gallery img {
  display: block;
  width: 300px;
  height: 300px;
}
.gallery p {
  margin: 0;
  text-indent: 0;
  height: 50px;
  line-height: 50px;
  text-align: center;
  color: #fff;
}

.pic1 {
  left: 0;
  top: 0;
}
.pic2 {
  left: 185px;
  top: 370px;
}
.pic3 {
  left: 430px;
  top: 0;
}
.pic4 {
  left: 670px;
  top: 370px;
}
.pic5 {
  left: 860px;
  top: 0;
}


@media (max-width: 1919px) and (min-width: 768px) {
  html {
    zoom: 80%;
  }
  @-ms-viewport {width: 1920px;}
}

.swiper-slide {
  text-align: center;
  font-size: 18px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  
}