main {
  background-image: url("../images/bg_15.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page-banner {
  width: 100%;
  height: 608px;
  background-image: url("../images/list_bg.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  z-index: 0;
}

.breadcrumb-container {
  background-color: #fff;
  padding: 15px;
  margin-top: -150px;
  margin-bottom: 20px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  z-index: 1;
  position: relative;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  font-size: 14px;
  color: #666;
}

.breadcrumb-icon {
  width: 14px;
  height: 20px;
  margin-right: 5px;
}

.breadcrumb-nav a {
  color: #666;
  text-decoration: none;
  margin: 0 5px;
}

.breadcrumb-nav a:hover {
  color: var(--mainColorDark);
}

.breadcrumb-nav span {
  margin: 0 3px;
}

.breadcrumb-nav .current-page {
  color: var(--mainColorDark);
  font-weight: 500;
}

.sidebar-content {
  display: flex;
  margin: 30px 0;
  gap: 30px;
}

.sidebar-nav {
  width: 380px;
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar-title {
  height: 130px;
  background-color: var(--mainColorDark);
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  margin-bottom: 30px;
}

.title-text {
  width: 237px;
  height: 32px;
  background-image: url("../images/title_bg.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  font-size: 18px;
  font-weight: bold;
}

.sidebar-menu {
  background-color: var(--mainColorDark);
  padding: 15px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%; 
  min-height: 100%; 
}

.menu-item {
  width: 246px;
  height: 62px;
  background-image: url("../images/list_title_bg.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  font-size: 16px;
  text-decoration: none;
  margin: 10px 0;
  transition: all 0.3s ease;
}

.menu-item:hover {
  transform: scale(1.05);
  font-weight: bold;
}

.article-container {
  flex: 1;
  background-color: #fff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 1;
  width: 100%;
}

.article-header {
  position: relative;
  margin-bottom: 20px;
}

.article-title {
  font-size: 22px;
  font-weight: bold;
  text-align: left;
  background-image: url("../images/subpage_title_bg.png");
  background-size: 247px 112px;
  background-position: right center;
  background-repeat: no-repeat;
  padding: 20px 250px 30px 20px;
  min-height: 112px; 
  display: flex;
  align-items: center;
  position: relative; 
  border-bottom: none;
  color: #333;
}

.article-header::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 40px);
  height: 9px;
  background-image: url("../images/line.png");
  background-size: auto 100%;
  background-repeat: repeat-x;
  background-position: center;
}