.containerPI {
  float: left;
  justify-content: center;
  align-items: center;
}

.cardPI {
  height: 470px;
  width: 100%;
  margin: auto;
  background: #ffffff;
  border-radius: 25px;
  box-shadow: 0 10px 15px rgba(0,0,0,0.3);
  margin-bottom: 30px;
  padding-top: 20px;
}

.imgPI{
  float: left;
  max-width: 300px;
  height: 400px;
  overflow: hidden;
  margin-top: 10px;
}
.inner_partPI {
  float: left;
  align-items: center;
  justify-content: center;
  padding: 0 0 0 30px;
  height: 470px;
  width: auto;
}

#slideImg:checked ~ .inner_partPI {
  padding: 0;
  transition: .1s ease-in;
  width: 850px;
}

.imgPI .img {
  height: 260px;
  width: 260px;
  overflow: hidden;
  flex-shrink: 0;
  border-radius: 20px;
  box-shadow: 0 10px 50px rgba(0,0,0,0.2);
}

#slideImg:checked ~ .inner_partPI .img {
 height: 350px;
 width: 850px;
 z-index: 99;
 transition: .3s .2s ease-in;
}


#slide_1:checked ~ .inner_part .img_1,
#slide_2:checked ~ .inner_part .img_2,
#slide_3:checked ~ .inner_part .img_3 {
  opacity: 1;
  transition-delay: .2s;
}

.contentPI {
  float: left;
  font-size: 20px;
  color: #0d0925;
  margin: 0 0 20px 20px;
  max-width: 770px;
  text-align: left;
  line-height: 1.4em;
}

#slideImg:checked ~ .inner_partPI .contentPI {
  display: none;
}

#slide_1:checked ~ .inner_partPI .content_1,
#slide_2:checked ~ .inner_partPI .content_2,
#slide_3:checked ~ .inner_partPI .content_3 {
  opacity: 1;
  margin-left: 0;
  z-index: 100;
  transition-delay: .3s;
}

.titlePI {
  text-align: left;
  float: left;
  font-size: 28px;
  font-weight: 700;
  color: #0d0925;
  margin: 0 0 20px 20px;
  width: auto;
  font-family: Microsoft YaHei;
  width: 770px;
}

.University {
  float: left;
  font-size: 20px;
  font-weight: 600;
  color: orangered;
  margin: 0 0 20px 20px;
  width: auto;
  font-family: Microsoft YaHei;
}

.contentPI button {
  padding: 15px 20px;
  border: none;
  font-size: 16px;
  color: #fff0e6;
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: 50px;
  cursor: pointer;
  outline: none;
  background: #000000;
  box-shadow: 0 10px 50px rgba(0,0,0,0.2);
  float: right;
}

.contentPI button:hover {
  background: #cecece;
  color: #000000;
}

.slider {
  position: absolute;
  bottom: 25px;
  left: 55%;
  transform: translateX(-50%);
  z-index: 1;
}

#slideImg:checked ~ .slider {
  display: none;
}

.slider .slide {
  position: relative;
  height: 10px;
  width: 50px;
  background: #d9d9d9;
  border-radius: 5px;
  display: inline-flex;
  margin: 0 3px;
  cursor: pointer;
}


.slider .slide:before {
  position: absolute;
  content: '';
  top: 0;
  left: 0;
  height: 100%;
  width: -100%;
  background: #000000;;
  border-radius: 10px;
  transform: scaleX(0);
  transition: transform .6s;
  transform-origin: left;
}

#slide_1:checked ~ .slider .slide_1:before,
#slide_2:checked ~ .slider .slide_2:before,
#slide_3:checked ~ .slider .slide_3:before {
  transform: scaleX(1);
  width: 100%;
}

input {
  display: none;
}