body {
  background-color: #eeeab3;
}

.mainpdbox {
  /*padding: 30px 2%;*/
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(48%, 1fr));
  /* grid-template-rows: masonry; */
  max-width: 1500px;
}

.mainpdbox>div:nth-child(2n+1) {
  margin-left: 3%;
}

.mainpdbox>div:nth-child(2n) {
  margin-right: 3%;
}

.videosy {
/*
  display: block;
  float: left;
*/
  display: inline-block;
  vertical-align: top;
  /*width: 45.5%;*/
  margin: 2%;
  border-radius: 4px;
  box-shadow: 1px 1px 5px rgba(180,150,150,0.5);
  background-color: #fffcdd;
}

@media screen and (min-width:1500px) {
  .mainpdbox {
    grid-template-columns: repeat(auto-fill, minmax(33%, 1fr));
  }

  .mainpdbox>div:nth-child(3n+1) {
    margin-left: 2%;
  }
  
  .mainpdbox>div:nth-child(3n) {
    margin-right: 2%;
  }  
}

@media screen and (max-width:768px) {

  .mainpdbox {
    grid-template-columns: repeat(auto-fill, minmax(95%, 1fr));
  }

  .videosy {
    width: 90%;
    float: none;
    margin: 20px 5% 20px 5%;
  }
}

/* 栏目封面图片 */
.sytupian {
  line-height: 0px;
  padding: 0px;
  background-image: radial-gradient(ellipse at 50% 50%, #ffa 30%, #fff055 100%);
  border-radius: 4px 4px 0px 0px;
}

.sytupian a {
  display: block;
  border-radius: inherit;
  overflow: hidden;
}

.sytupian img {
  width: 100%;
  transition: all 1.5s ease;
}

.sytupian:hover {
  background-image: radial-gradient(ellipse at 50% 50%, #ffe 30%, #fffc33 100%);
}

.sytupian:hover img {
  transform: scale(1.05);
}


/* 栏目大标题 */
.videosy .newslist {
  text-align: center;
  overflow: hidden;
  border-bottom: none;
  padding: 35px 0px 35px 0px;
}

.videosy .newslist h3 {
  overflow: hidden;
  font-size: 16px;
  color: #333;
  font-family: "微软雅黑";
  position: relative;
  border-bottom: none;
  height: auto;
  line-height: 3em;
  display: block;
  padding: 15px 20px 10px 20px;
}

.videosy * {
  transition: all 0.5s ease;
}

.videosy .newslist h3 a {
  font-size: 17px;
  line-height: 2em;
  letter-spacing: 0.07em;
  text-decoration: none;
  display: inline-block;
  padding: 7px 12px;
  color: #b85;
  border-bottom: 4px solid rgba(0,0,0,0);
}

.videosy .newslist h3 span {
  position: absolute;
  right: 10px;
  top: 0px;
}


.videosy .newslist h3 span a {
  float: left;
  padding: 0px 5px;
}

.videosy .newslist h3 span a {
  font-weight:normal;
}

/* 子栏目标题 */
.videosy .sub-volumes {
  padding: 0.3em 1em 1.5em 1em;
  list-style-type: none;
  text-align: center;
}

.videosy .sub-volumes li {
  display: inline-block;
  margin: 0px 8px 0.8em 8px;
  padding-top: 8px;
}

.videosy .sub-volumes li a {
  color: #b85;
  border-bottom: 3px solid rgba(0,0,0,0);
  padding: 8px 12px;
  font-size: 15px;
  font-weight: bold;
  text-decoration: none;
}

.videosy a.nav-link {
  letter-spacing: 0.1em;
}

.videosy a.nav-link:hover {
  border-bottom-color: #d60;
  color: #d60 !important;
}

.videosy a.nav-link:active,
.videosy a.nav-link:focus {
  border-bottom-color: #e70;
  color: #e70 !important;
}

.videosy a.nav-link.active {
  /*border-bottom-color: #f37700;*/
  color: #852;
}


/* 文章列表 */
.videosy .articlecontent {
  margin: 0px 25px 0px 35px;
  padding: 0px;
}

.videosy .articlecontent li {
  border: 1px solid #fcf6e0;
  border-width: 0px 0px 1px 0px;
  padding: 10px;
  font-size: 14px;
  line-height: 3;
  display: block;
}

.videosy .articlecontent li:first-child {
  border-width: 1px 0px 1px 0px;
}

.videosy .articlecontent li .item-row {
  display: table;
}

/* 文章标题 */
.videosy .articlecontent .item-row>a {
  display: table-cell;
  width: 100%;
  vertical-align: top;
  /* background-color: yellow; */
  text-decoration: none;
  padding: 0px 10px;
}

.videosy .articlecontent .item-row>a:hover {
  color: #c60;
}

/* 文章按钮 */
.videosy .articlecontent .item-row>.button-wrapper {
  display: table-cell;
  vertical-align: middle;
  /* background-color: blue; */
}

@media screen and (max-width:768px) {
  .videosy .articlecontent {
    border-left: none;
    margin: 0px 0px;
    background-color: #ffffe3;
  }

  .videosy .articlecontent li {
    padding-left: 20px;
  }

  .videosy .articlecontent li:nth-child(2n+1) {
    background-color: #fffad3;
  }

  .videosy .articlecontent li:nth-child(2n) {
    background-color: #fffce7;
  }

}

.va-tab {
  display: none;
}

.va-tab.active {
  display: block;
}


a.sm2_button {
  margin: 10px;
  background-position: 60% 50% !important;
  background-size: 13.5px !important;
}

.more-articles-row {
  padding: 35px 0px 50px 0px;
  text-align: center;
}

.more-articles-row * {
  transition: all 0.3s ease;
}

.more-articles-row>a {
  display: inline-block;
  border-radius: 5px;
  box-shadow: 1px 1px 3px #cc8;
  border: 1px solid #e80;
  padding: 0px 35px;
  color: #fff;
  background-color: #e37e00;
  background-image: radial-gradient(circle at 70% 35%, rgba(255,255,205,0.3) 0%, rgba(255,255,255,0.0) 55%);
  text-decoration: none;
}

.more-articles-row>a li {
  line-height: 48px;
  font-size: 16px;
  text-align: center;
}

.more-articles-row>a .badge {
  border-radius: 10px;
  font-size: 12px;
  padding: 4px 8px 4px 8px;
  margin-right: 4px;
  background-color: #fffcee;
  color: #d90;
}

.more-articles-row>a:hover {
  background-color: #f60;
  border-color: #f75a00;
}

.more-articles-row>a:active,
.more-articles-row>a:focus {
  background-color: #f79900;
  border-color: #f08800;
  transform: translate(0.5px, 0.5px);
  transition: transform 0.2s ease;
}

.more-articles-row>a:hover .badge {
  background-color: #fff;
  color: #d90;
}

.double-right-arrow {
  content: "»";
  font-size: 140%;
}