@import url('https://fonts.googleapis.com/css?family=Karla&display=swap" rel="stylesheet');
@import url('https://fonts.googleapis.com/css?family=Marcellus&display=swap" rel="stylesheet');
.big {
  margin-top: 100px;
}
.big-content {
  padding-top: 3vw;
}
.big .pagestitle {
  color: #999;
  margin-bottom: 10px;
  overflow: hidden;
}
.big .pagestitle span {
  display: inline-block;
}
.big .page-select {
  margin: 5vh 0 5vh -100px;
}
.big .page-select ul {
  display: flex;
  margin-left: 100px;
}
.big .page-select li {
  cursor: pointer;
  position: relative;
  padding-bottom: 10px;
  margin-right: 30px;
}
.big .page-select li:after {
  content: "";
  width: 20px;
  height: 1px;
  background-color: #c7c08e;
  position: absolute;
  left: 0;
  bottom: -1px;
  opacity: 0;
  -moz-transition: opacity 0.3s;
  -o-transition: opacity 0.3s;
  -webkit-transition: opacity 0.3s;
  transition: opacity 0.3s;
}
.big .page-select li:hover {
  color: #c7c08e;
}
.big .page-select li:hover:after {
  opacity: 1;
}
.big .page-select .son {
  color: #c7c08e;
}
.big .page-select .son:after {
  opacity: 1;
}

.news-box {
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: -1%;
}
.news-list {
  cursor: pointer;
  width: 30%;
  padding: calc(4% / 6);
  margin: 1% 1% 50px;
}
.news-list:hover .news-pic img {
  -moz-transform: scale(1.1);
  -ms-transform: scale(1.1);
  -webkit-transform: scale(1.1);
  transform: scale(1.1);
}
.news-list:hover .news-content {
  top: -50px;
}
.news-list:hover .news-name {
  color: #fff;
}
.news-list:hover .news-bt {
  opacity: 1;
  -moz-transition-delay: 0.3s;
  -o-transition-delay: 0.3s;
  -webkit-transition-delay: 0.3s;
  transition-delay: 0.3s;
}
.news-list:hover .news-bt:after {
  width: 30px;
  -moz-transition-delay: 0.5s;
  -o-transition-delay: 0.5s;
  -webkit-transition-delay: 0.5s;
  transition-delay: 0.5s;
}
.news-pic {
  width: 100%;
  overflow: hidden;
}
.news-pic img {
  width: 100%;
  -moz-transform: scale(1);
  -ms-transform: scale(1);
  -webkit-transform: scale(1);
  transform: scale(1);
  -moz-transition: -moz-transform 0.5s ease-out;
  -o-transition: -o-transform 0.5s ease-out;
  -webkit-transition: -webkit-transform 0.5s ease-out;
  transition: transform 0.5s ease-out;
}
.news-content {
  position: relative;
  top: 0;
  background-color: #151515;
  -moz-transition: all 0.5s ease-out;
  -o-transition: all 0.5s ease-out;
  -webkit-transition: all 0.5s ease-out;
  transition: all 0.5s ease-out;
}
.news-date {
  color: #c7c08e;
  position: relative;
  padding: 15px 0;
}
.news-date:before {
  content: "";
  width: 3px;
  height: 3px;
  background-color: #c7c08e;
  position: absolute;
  top: 50%;
  right: 0;
  -moz-transform: translateY(-1px);
  -ms-transform: translateY(-1px);
  -webkit-transform: translateY(-1px);
  transform: translateY(-1px);
}
.news-date:after {
  content: "";
  width: 100%;
  height: 1px;
  background-color: rgba(125, 122, 102, 0.4);
  position: absolute;
  left: 0;
  bottom: 0;
}
.news-name {
  padding: 15px 0;
  font-size: 15px;
  line-height: 1.8em;
  -moz-transition: color 0.5s;
  -o-transition: color 0.5s;
  -webkit-transition: color 0.5s;
  transition: color 0.5s;
}
.news-bt {
  color: #c7c08e;
  font-family: Marcellus, Helvetica, Arial, serif;
  font-size: 12px;
  letter-spacing: 0.3em;
  display: inline-block;
  opacity: 0;
  -moz-transition: opacity 0.3s ease-in;
  -o-transition: opacity 0.3s ease-in;
  -webkit-transition: opacity 0.3s ease-in;
  transition: opacity 0.3s ease-in;
  -moz-transition-delay: 0s;
  -o-transition-delay: 0s;
  -webkit-transition-delay: 0s;
  transition-delay: 0s;
}
.news-bt:after {
  content: "";
  display: inline-block;
  width: 15px;
  height: 2px;
  margin: 4px 0 4px 10px;
  background-color: #fff;
  opacity: 0.3;
  -moz-transition: width 0.3s ease-out;
  -o-transition: width 0.3s ease-out;
  -webkit-transition: width 0.3s ease-out;
  transition: width 0.3s ease-out;
}

.big .pagestitle span {
  -moz-transform: translateY(-30px);
  -ms-transform: translateY(-30px);
  -webkit-transform: translateY(-30px);
  transform: translateY(-30px);
  -moz-transition: -moz-transform 0.8s;
  -o-transition: -o-transform 0.8s;
  -webkit-transition: -webkit-transform 0.8s;
  transition: transform 0.8s;
}
.big .pagetitle span {
  -moz-transform: translateY(30px);
  -ms-transform: translateY(30px);
  -webkit-transform: translateY(30px);
  transform: translateY(30px);
  -moz-transition: -moz-transform 0.8s;
  -o-transition: -o-transform 0.8s;
  -webkit-transition: -webkit-transform 0.8s;
  transition: transform 0.8s;
}
.big .page-select {
  opacity: 0;
  -moz-transform: translateY(30px);
  -ms-transform: translateY(30px);
  -webkit-transform: translateY(30px);
  transform: translateY(30px);
  -moz-transition: -moz-transform 0.8s, opacity 0.5s;
  -o-transition: -o-transform 0.8s, opacity 0.5s;
  -webkit-transition: -webkit-transform 0.8s, opacity 0.5s;
  transition: transform 0.8s, opacity 0.5s;
}
.big.show .pagestitle span {
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
}
.big.show .pagetitle span {
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
  -moz-transition-delay: 0.3s;
  -o-transition-delay: 0.3s;
  -webkit-transition-delay: 0.3s;
  transition-delay: 0.3s;
}
.big.show .page-select {
  opacity: 1;
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
  -moz-transition-delay: 0.5s;
  -o-transition-delay: 0.5s;
  -webkit-transition-delay: 0.5s;
  transition-delay: 0.5s;
}

.news-list {
  opacity: 0;
  -moz-transform: translateY(50px);
  -ms-transform: translateY(50px);
  -webkit-transform: translateY(50px);
  transform: translateY(50px);
  -moz-transition: -moz-transform 0.8s, opacity 1s;
  -o-transition: -o-transform 0.8s, opacity 1s;
  -webkit-transition: -webkit-transform 0.8s, opacity 1s;
  transition: transform 0.8s, opacity 1s;
}
.news-list.show {
  opacity: 1;
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

@media screen and (max-width: 1600px) {
  .big {
    margin-top: 70px;
  }
  .big-content {
    padding-top: 8vh;
  }
}
@media screen and (max-width: 1100px) {
  .news-list {
    width: 45%;
    padding: calc(6% / 4);
  }
  .news-box {
    margin: -2%;
  }
}
@media screen and (max-width: 800px) {
  .big {
    margin: 60px 20px 0;
  }

  .news {
    margin: 0 20px;
  }
  .news-list {
    margin-bottom: 30px;
  }
}
@media screen and (max-width: 640px) {
  .big {
    margin-top: 50px;
  }
  .big-content {
    padding-top: 5vh;
  }
  .big .page-select {
    margin: 3vh 0 3vh -100px;
  }

  .news-list {
    width: 100%;
    margin-bottom: 0;
  }
}