/* 面包屑导航 */
.breadcrumb-section {
    background-color: #f5f5f5;
    border-bottom: 1px solid #e0e0e0;
}

.breadcrumb-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    font-size: 14px;
    color: #666;
}

.breadcrumb-item a {
    color: #1e5aa8;
    transition: color 0.3s;
}

.breadcrumb-item a:hover {
    color: #c41e3a;
    text-decoration: underline;
}

.breadcrumb-item.current {
    color: #333;
}

.breadcrumb-sep {
    margin: 0 10px;
    color: #999;
}

/* 主内容区容器 */
.list-container {
    background-color: #f5f5f5;
    padding: 25px 0;
    min-height: 60vh;
}

.list-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 25px;
}

/* 左侧分类导航 */
.list-sidebar {
    background-color: #fff;
    border: 1px solid #e0e0e0;
}

.sidebar-title {
    background: linear-gradient(135deg, #1e5aa8, #2d7dd2);
    padding: 18px 20px;
}

.sidebar-title h3 {
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 1px;
}

.sidebar-menu {
    padding: 10px 0;
}

.sidebar-menu li {
    border-bottom: 1px solid #f0f0f0;
}

.sidebar-menu li:last-child {
    border-bottom: none;
}

.sidebar-menu li a {
    display: block;
    padding: 14px 20px;
    color: #333;
    font-size: 15px;
    transition: all 0.3s;
    position: relative;
}

.sidebar-menu li a:hover {
    background-color: #f0f7ff;
    color: #1e5aa8;
    padding-left: 25px;
}

.sidebar-menu li.active a {
    background-color: #1e5aa8;
    color: #fff;
    font-weight: bold;
}

.sidebar-menu li.active a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: #c41e3a;
}

/* 右侧内容列表 */
.list-main {
    background-color: #fff;
    border: 1px solid #e0e0e0;
    padding: 0;
}

.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 2px solid #1e5aa8;
}

.list-title {
    font-size: 22px;
    font-weight: bold;
    color: #1e5aa8;
    position: relative;
    padding-left: 15px;
}

.list-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 22px;
    background-color: #1e5aa8;
    border-radius: 2px;
}

.list-count {
    font-size: 14px;
    color: #666;
}

.count-num {
    color: #c41e3a;
    font-weight: bold;
    font-size: 16px;
}

/* 文章列表表格 */
.article-table {
    width: 100%;
    border-collapse: collapse;
}

.article-table thead {
    background-color: #f8f9fa;
}

.article-table th {
    padding: 14px 20px;
    text-align: left;
    font-size: 14px;
    font-weight: bold;
    color: #555;
    border-bottom: 1px solid #e0e0e0;
}

.article-table td {
    padding: 14px 20px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 14px;
}

.article-table tbody tr:hover {
    background-color: #f0f7ff;
}

.article-table .col-title {
    width: auto;
}

.article-table .col-cat {
    width: 120px;
    text-align: center;
    color: #666;
}

.article-table .col-date {
    width: 120px;
    text-align: center;
    color: #999;
    font-size: 13px;
}

.article-table .col-title a {
    color: #333;
    transition: color 0.3s;
    display: block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.article-table .col-title a:hover {
    color: #1e5aa8;
}

.article-table .col-title a::before {
    content: '>';
    margin-right: 8px;
    color: #1e5aa8;
    font-size: 12px;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
    font-size: 16px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 25px 20px;
    gap: 8px;
}

.page-btn {
    display: inline-block;
    padding: 8px 14px;
    border: 1px solid #d0d0d0;
    color: #333;
    font-size: 14px;
    background-color: #fff;
    transition: all 0.3s;
    min-width: 36px;
    text-align: center;
}

.page-btn:hover {
    border-color: #1e5aa8;
    color: #1e5aa8;
    background-color: #f0f7ff;
}

.page-btn.active {
    background-color: #1e5aa8;
    border-color: #1e5aa8;
    color: #fff;
    font-weight: bold;
}

.page-ellipsis {
    padding: 0 5px;
    color: #999;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .list-content {
        grid-template-columns: 1fr;
    }

    .list-sidebar {
        order: -1;
    }

    .sidebar-menu {
        display: flex;
        flex-wrap: wrap;
        padding: 10px 15px;
        gap: 8px;
    }

    .sidebar-menu li {
        border-bottom: none;
    }

    .sidebar-menu li a {
        padding: 8px 15px;
        border: 1px solid #e0e0e0;
        border-radius: 4px;
        font-size: 13px;
    }

    .sidebar-menu li a:hover {
        padding-left: 15px;
    }

    .sidebar-menu li.active a {
        border-color: #1e5aa8;
    }

    .sidebar-menu li.active a::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .list-container {
        padding: 15px 0;
    }
    
    .list-content {
        padding: 0 15px;
        gap: 15px;
    }
    
    .list-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 15px;
    }

    .list-title {
        font-size: 17px;
    }
    
    .list-count {
        font-size: 13px;
    }

    .sidebar-title {
        padding: 12px 15px;
    }
    
    .sidebar-title h3 {
        font-size: 15px;
    }
    
    .sidebar-menu li a {
        padding: 10px 12px;
        font-size: 13px;
    }

    .article-table th,
    .article-table td {
        padding: 10px 12px;
    }

    .article-table .col-cat {
        display: none;
    }
    
    .article-table .col-nav {
        display: none;
    }

    .article-table .col-date {
        width: 80px;
        font-size: 12px;
    }
    
    .article-table .col-title a {
        font-size: 14px;
    }

    .pagination {
        flex-wrap: wrap;
        gap: 5px;
        padding: 15px 10px;
    }
    
    .page-btn {
        padding: 6px 10px;
        font-size: 13px;
        min-width: 32px;
    }
    
    .breadcrumb-content {
        padding: 10px 15px;
        font-size: 13px;
    }
}