* {
  margin: 0;
  padding: 0;
}

.about {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.about_bgc {
  width: 100%;
}   

.about_tit {
  position: absolute;
  top: 140px;
  left: 0;
  right: 0;
  font-size: 28px;
  color: #fcfefc55;
  font-weight: 550;
  bottom: 0;
  width: 800px;
  margin: auto;
  text-align: center;
}

.ribbon {
  display: flex;
  justify-content: center;
  position: absolute;
  right: 300px;
  top: 50px;
  margin: auto;
}

.ribbon:after,
.ribbon:before {
  margin-top: 0.5em;
  content: "";
  display: flex;
  ;
  border: 1.5em solid #fff;
}

.ribbon:after {
  border-right-color: transparent;
}

.ribbon:before {
  border-left-color: transparent;
}

.ribbon a:link,
.ribbon a:visited {
  color: #000;
  text-decoration: none;
  height: 3.5em;
  overflow: hidden;
}

.ribbon span {
  background: #fff;
  display: inline-block;
  line-height: 3em;
  padding: 0 1.5em;
  margin-top: 0.5em;
  position: relative;
  -webkit-transition: background-color 0.2s, margin-top 0.2s;
  /* Saf3.2+, Chrome */
  -moz-transition: background-color 0.2s, margin-top 0.2s;
  /* FF4+ */
  -ms-transition: background-color 0.2s, margin-top 0.2s;
  /* IE10 */
  -o-transition: background-color 0.2s, margin-top 0.2s;
  /* Opera 10.5+ */
  transition: background-color 0.2s, margin-top 0.2s;
}

.ribbon a:hover span {
  background: #FFD204;
  margin-top: 0;
}

.ribbon span:before {
  content: "";
  position: absolute;
  top: 3em;
  left: 0;
  border-right: 0.5em solid #9B8651;
  border-bottom: 0.5em solid #fff;
}

.ribbon span:after {
  content: "";
  position: absolute;
  top: 3em;
  right: 0;
  border-left: 0.5em solid #9B8651;
  border-bottom: 0.5em solid #fff;
}

.me {
  display: flex;
  justify-content: center;
  margin-top: 60px;
  overflow: hidden;
}

.me_tit {
  width: 600px;
  line-height: 36px;
  font-size: 18px;
  margin-left: 100px;
  margin-top: 50px;
}

/* .me_img {
  width: 800px;
  height: 450px;
} */
 
 /* 双开门效果 */
/* 1. 布局:父子机构,父级是大图,子级是小图 */
.father {
  display: flex;
  margin: 0 auto;
  width: 800px;
  height: 450px;

  background-size: cover;
  position: relative;
  overflow: hidden;
}
.father .right {
  background-position: right 0;
}
.father .left,
.father .right {
  width: 50%;
  height: 450px;
  background-size: cover;
  background-image: url(../img/simpleness.jpg);
  transition: all .9s;
}
.father:hover .left {
  transform: translateX(-100%);
}
.father:hover .right {
  transform: translateX(100%);
}
.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}
.slide.active {
  opacity: 1;
}

  /* 轮播图效果 */
.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}
.slide.active {
  opacity: 1;
}

.animate {
  padding-left: 5px;
  width: 500px;
  height: 400px;
  font-size: 16px;
  color: #8fed7c;
  animation: 10s wordsLoop linear infinite normal;
}
@keyframes downs {
  from {
      transform: translatey(0px);
      opacity: .6;
  }
  to {
      transform: translatey(30px);
      opacity: .8;
  }
}
.icon {
  width: 15px;
  height: 15px;
  padding: 5px;
  border: 2px solid #ffffff;
  border-radius: 100%;
  position: absolute;
  left: 49%;
  bottom: 50px; 
  animation: downs 2s linear infinite;
}

@keyframes wordsLoop {
  0% {
      transform: translateY(100px);
      -webkit-transform: translateY(100px);
  }
  100% {
      transform: translateY(-100%);
      -webkit-transform: translateY(-100%);
  }
}


.videos {
  display: flex;
  margin-top: 60px;
  padding-bottom: 80px;
}

.videos span {
  width: 400px;
  margin-right: 100px;
  margin-left: 300px;
  color: #FFD204
}


body{
  display: flex;
  /* margin-top: 100px; */
  padding-bottom: 80px;
  background-color:#ffffff;
  font-family: arial
}

.box{
  margin:0 10%;
  height: 630px;
  overflow: hidden;
  padding: 10px 0 40px 60px
}

.box ul{
  list-style-type: none;
  margin: 0;
  padding: 0;
  position: relative;
  transition: all 0.5s linear;
  top:0
}

.box ul:last-of-type{top:80px}

.box ul:before{
  content: "";
  display: block;
  width: 0;
  height: 100%;
  border:1px dashed #ff6d6d;
  position: absolute;
  top:0;
  left:30px
}

.box ul li{
  margin: 20px 60px 60px;
  position: relative;
  padding: 10px 20px;
  background:rgba(255, 255, 255, 0.3);
  color:#ff6d6d;
  border-radius: 10px;
  line-height: 20px;
  width: 35%
}


.box ul li > span{
  content: "";
  display: block;
  width: 0;
  height: 100%;
  /* border:1px solid #ff6d6d; */
  border:1px solid #ff6d6d;
  position: absolute;
  top:0;
  left:-30px
}

.box ul li > span:before,.box ul li > span:after{
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background:#ff6d6d;
  border:2px solid #ff6d6d;
  position: absolute;
  left:-7.5px
}

.box ul li > span:before{top:-10px}
.box ul li > span:after{top:95%}

.box .title{
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 5px
}

.box .info:first-letter{text-transform: capitalize;line-height: 1.7}

.box .name{
  margin-top: 10px;
  text-transform: capitalize;
  font-style: italic;
  text-align: right;
  margin-right: 20px
}


.box .time span{
  position: absolute;
  left: -100px;
  color:#ff6d6d;
  font-size:95%;
  font-weight: bold;
}
.box .time span:first-child{top:-16px}
.box .time span:last-child{top:94%}


.arrow{
  position: absolute;
  top: 105%;
  left: 22%;
  cursor: pointer;
height:20px;
width:20px
}

.arrow:hover{
  -webkit-animation: arrow 1s linear infinite;
    -moz-animation: arrow 1s linear infinite;
      -o-animation: arrow 1s linear infinite;
          animation: arrow 1s linear infinite;
}

.box ul:last-of-type .arrow{
  position: absolute;
  top: 105%;
  left: 22%;
  transform: rotateX(180deg);
  cursor: pointer;
}

svg{
  width: 20px;
  height: 20px;
}