/* ========== Channel Page Banner ========== */
.column-banner {
  position: relative;
  width: 100%;
  height: 328px;
  overflow: hidden;
}

.column-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========== Column Content ========== */
.column-content {
  width: 1260px;
  margin: 0 auto;
  padding: 0 0 80px;
}

.column-inner {
  width: 1260px;
  margin: 0 auto;
}

/* ========== 第一部分：栏目名称 + 面包屑 ========== */
.column-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  padding-top: 35px;
  margin-bottom: 16px;
}

.column-name {
  margin: 0;
  height: 23px;
  line-height: 23px;
  font-family: Helvetica, Arial, sans-serif;
  font-weight: bold;
  font-size: 32px;
  color: #0055AA;
  text-align: left;
  font-style: normal;
  text-transform: none;
}

.column-breadcrumb {
  height: 10px;
  font-family: Helvetica, Arial, sans-serif;
  font-weight: bold;
  font-size: 14px;
  color: #999999;
  text-align: right;
  font-style: normal;
  text-transform: none;
}

.column-breadcrumb a {
  color: #999999;
  transition: color 0.3s;
}

.column-breadcrumb a:hover {
  color: #0055AA;
}

/* ========== 分割线 ========== */
.column-divider {
  width: 1920px;
  height: 1px;
  background: #E4E4E4;
  margin-left: -330px;
}

/* ========== 第二部分：二级栏目导航 ========== */
.sub-nav {
  display: flex;
  gap: 20px;
  margin-top: 24px;
}

.sub-nav-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 204px;
  height: 48px;
  background: #FFFFFF;
  border: 1px solid #E4E4E4;
  font-family: Helvetica, Arial, sans-serif;
  font-weight: bold;
  font-size: 18px;
  color: #4D4D4D;
  text-align: center;
  font-style: normal;
  text-transform: none;
  transition: all 0.3s;
}

.sub-nav-item:hover {
  color: #0055AA;
}

.sub-nav-item.active {
  width: 188px;
  height: 48px;
  background: #0055AA;
  border: none;
  color: #FFFFFF;
}

/* ========== 第三部分：新闻列表 ========== */
.news-list {
  margin-top: 74px;
}

.news-row {
  display: flex;
  gap: 72px;
  margin-top: 50px;
}


.news-item {
  display: flex;
  align-items: flex-start;
  padding-bottom: 58px;
  margin-bottom: 0;
  border-bottom: 1px solid #E4E4E4;
  width: 594px;
  text-decoration: none;
}

/* 左侧日期 */
.news-date {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.news-month {
  height: 10px;
  line-height: 14px;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #0055AA;
  text-align: center;
  font-style: normal;
  text-transform: none;
}

.news-day {
  height: 17px;
  font-family: Helvetica, Arial, sans-serif;
  font-weight: bold;
  font-size: 24px;
  color: #0055AA;
  text-align: left;
  font-style: normal;
  text-transform: none;
}

/* 中间分割线 */
.news-sep {
  width: 1px;
  height: 42px;
  background: #0055AA;
  margin: 0 18px;
  flex-shrink: 0;
}

/* 右侧标题 */
.news-title {
  width: 505px;
  height: 68px;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 16px;
  color: #1A1A1A;
  line-height: 18px;
  text-align: left;
  font-style: normal;
  text-transform: none;
  transition: color 0.3s;
}

.news-item:hover .news-title {
  color: #0055AA;
}