* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Source Han Sans CN';
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

body {
  background-color: #F6F7F9;
}

/* 面包屑 */
.breadcrumb {
  height: 24px;
  line-height: 24px;
  font-size: 16px;
  color: #666;
  backdrop-filter: blur(6px);
  padding: 20px 0;
}

.breadcrumb>.container {
  display: flex;
  gap: 10px;
}

.breadcrumb a {
  color: #333;
}

.breadcrumb>div>span:last-child {
  color: #1764ce;
}

.main-container {
  width: 1200px;
  margin: 0 auto;
}

.content-l {
  padding: 20px;
  background-color: #fff;
  width: 252px;
  border-radius: 8px;
  margin-right: 24px;
}

.year-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  margin-right: -16px;
}

.year-list li {
  background-color: #F6F7F9;
  border-radius: 4px;
  font-size: 16px;
  line-height: 36px;
  color: #696969;
  text-align: center;
  margin-right: 16px;
  margin-bottom: 16px;
  width: calc(50% - 16px);
  height: 36px;
  cursor: pointer;
}

.year-list li.active{
  background: linear-gradient(90deg, #1764CE 0%, #3A85ED 100%);
  color: #fff;
}

.content-r {
  padding: 16px 20px 40px 20px;
  background-color: #fff;
  border-radius: 8px;
  flex: 1;
}

.content-title {
  padding-left: 32px;
  font-size: 20px;
  line-height: 40px;
  color: #333;
  font-weight: bold;
  background: url(../images/title-icon.png) no-repeat left top 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid #CBD0D7;
}

.bullentin-list {
  margin-right: -20px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.bullentin-list li {
  margin-right: 20px;
  margin-top: 20px;
  background: url(../images/item-bg.png) no-repeat center;
  width: calc((100% / 3) - 20px);
  height: 234px;
}

.bullentin-list li>a{
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 108px 34px 16px 34px;
  border-radius: 4px;
  background: url(../images/icon_logo.png) no-repeat top 16px center;
  background-size: 84px 84px;
}

.bullentin-title{
  font-size: 18px;
  line-height: 27px;
  color: #333;
  font-weight: 500;
}

.bullentin-num {
  font-size: 24px;
  line-height: 36px;
  color: #333;
  font-weight: bold;
  margin-top: 8px;
}

.bullentin-total {
  font-size: 18px;
  line-height: 27px;
  color: #666;
  font-weight: 400;
  margin-top: 8px;
}

.bullentin-title,
.bullentin-num,
.bullentin-total {
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

.flex {
  display: flex;
  flex-wrap: wrap;
}

.mt-20 {
  margin-top: 20px;
}

.mb-60 {
  margin-bottom: 60px;
}

/* 1500以下 */

@media(max-width:1499px) {}

/* 小屏幕 */

@media(max-width:1199px) {
  .main-container {
    width: 100%;
  }
}

/* pad */

@media(max-width:979px) {
  .main-container {
    width: 100%;
  }
}

/* phone */

@media(max-width:767px) {
  .main-container {
    width: 100%;
  }
  
  .content-l {
    width: 100%;
    margin-right: 0;
    margin-bottom: 16px;
  }

  .bullentin-list li{
    width: 100%;
  }
}