/* ==================== 面包屑导航 ==================== */
.breadcrumb-bar {
    padding: 16px 0;
    background: white;
    border-radius: 12px;
    margin-bottom: 20px;
    padding-left: 20px;
    font-size: 14px;
    color: #6b7280;
}

.breadcrumb-bar a {
    color: #667eea;
    transition: all 0.2s;
}

.breadcrumb-bar a:hover {
    color: #764ba2;
}

.breadcrumb-bar span {
    margin: 0 8px;
}

/* ==================== 工具栏 ==================== */
.list-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: white;
    border-radius: 12px;
    margin-bottom: 20px;
}

.toolbar-left {
    font-size: 14px;
    color: #6b7280;
}

.toolbar-left strong {
    color: #667eea;
    font-size: 18px;
    margin: 0 4px;
}

.sort-select {
    padding: 8px 16px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    cursor: pointer;
    background: white;
    transition: all 0.2s;
}

.sort-select:hover {
    border-color: #667eea;
}

.sort-select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* ==================== 筛选栏样式 ==================== */
.filter-bar {
    background: white;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 16px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.filter-group {
    display: flex;
    align-items: flex-start;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f3f4f6;
}

.filter-group:last-of-type {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.filter-label {
    display: flex;
    align-items: center;
    gap: 4px;
    min-width: 80px;
    font-size: 12px;
    font-weight: 600;
    color: #374151;
    padding-top: 4px;
}

.filter-label svg {
    color: #667eea;
    width: 12px;
    height: 12px;
}

.filter-tags {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.filter-tag {    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 14px;
    font-size: 11px;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
    line-height: 1.2;
}

.filter-tag:hover {
    background: #f3f4f6;
    border-color: #667eea;
    color: #667eea;
}

.filter-tag.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
    font-weight: 600;
}

/* 一级分类样式（带下拉箭头） */
.filter-tag[data-level="parent"]:not(.active) {
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    font-weight: 500;
}

/* 二级分类容器 */
#industrySubFilter {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.filter-tag-more {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    background: white;
    border: 1px dashed #d1d5db;
    border-radius: 14px;
    font-size: 11px;
    color: #9ca3af;
    cursor: pointer;
    transition: all 0.2s;
    gap: 4px;
}

.filter-tag-more:hover {
    background: #f9fafb;
    border-color: #667eea;
    color: #667eea;
}

.filter-tag-more.expanded {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
}

.filter-tag-more .more-icon {
    font-size: 10px;
    transition: transform 0.2s;
}

.filter-more-wrapper {
    display: inline;
}

.filter-more-wrapper .filter-tag {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.filter-reset {
    display: flex;
    justify-content: flex-end;
    padding-top: 8px;
}

.reset-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    font-size: 11px;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.2s;
}

.reset-btn:hover {
    background: #fef2f2;
    border-color: #ef4444;
    color: #ef4444;
}

.reset-btn svg {
    width: 12px;
    height: 12px;
}

/* 已选标签展示 */
.selected-filters {
    background: linear-gradient(135deg, #f0f9ff 0%, #f5f3ff 100%);
    border-radius: 8px;
    padding: 8px 16px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.selected-label {
    font-size: 11px;
    font-weight: 600;
    color: #667eea;
    white-space: nowrap;
}

.selected-tags {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.selected-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    background: white;
    border: 1px solid #667eea;
    border-radius: 12px;
    font-size: 11px;
    color: #667eea;
}

.selected-tag-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 12px;
    height: 12px;
    background: #667eea;
    color: white;
    border-radius: 50%;
    font-size: 9px;
    cursor: pointer;
    transition: all 0.2s;
}

.selected-tag-close:hover {
    background: #ef4444;
}

/* ==================== 两栏布局 ==================== */
.page-container-two-col {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 20px;
    max-width: 96%;
    margin: 20px auto;
    padding: 0 20px;
}

.main-container-wide {
    width: 100%;
}

.info-sidebar-ad {
    width: 320px;
}

/* ==================== 展会列表 - 6列布局 ==================== */
.exhibition-list-6col {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
}

/* ==================== 展会卡片样式（缩小版） ==================== */

/* ==================== 展会卡片样式（缩小版） ==================== */
.exhibition-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s;
    cursor: pointer;
    border: 1px solid #f3f4f6;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.exhibition-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.12);
    border-color: #667eea;
}

.exhibition-image-wrapper {
    position: relative;
    width: 100%;
    height: 100px;
    overflow: hidden;
    flex-shrink: 0;
}

.exhibition-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.exhibition-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 700;
}

.exhibition-info {
    padding: 10px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.exhibition-title {
    font-size: 13px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 8px;
    line-height: 1.3;
    height: 34px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.exhibition-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: auto;
    padding-bottom: 8px;
}

.exhibition-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: #6b7280;
}

.exhibition-meta-item svg {
    color: #667eea;
    flex-shrink: 0;
    width: 12px;
    height: 12px;
}

.exhibition-meta-item span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.exhibition-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 8px;
    border-top: 1px solid #f3f4f6;
    margin-top: auto;
}

.exhibition-price {
    font-size: 11px;
    color: #667eea;
    font-weight: 600;
}

.exhibition-btn {
    padding: 4px 10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.exhibition-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

/* ==================== 分页 ==================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    padding: 20px 0;
}

.pagination button {
    min-width: 40px;
    height: 40px;
    border: 1px solid #e5e7eb;
    background: white;
    color: #6b7280;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.pagination button:hover:not(:disabled) {
    border-color: #667eea;
    color: #667eea;
}

.pagination button.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==================== 加载占位符 ==================== */
.loading-placeholder {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: #9ca3af;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #f3f4f6;
    border-top-color: #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1600px) {
    .exhibition-list-6col {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media (max-width: 1400px) {
    .exhibition-list-6col {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1200px) {
    .page-container-two-col {
        grid-template-columns: 1fr 280px;
    }
    
    .info-sidebar-ad {
        width: 280px;
    }
    
    .exhibition-list-6col {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .page-container-two-col {
        grid-template-columns: 1fr;
    }
    
    .info-sidebar-ad {
        display: none;
    }
    
    .exhibition-list-6col {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .exhibition-list-6col {
        grid-template-columns: 1fr;
    }
}

/* ==================== 广告位样式 ==================== */
.ad-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 16px;
    border: 1px solid #f3f4f6;
    position: relative;
}

.ad-label {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 10px;
    z-index: 1;
}

.ad-card a {
    display: block;
    line-height: 0;
}

.ad-card img {
    width: 100%;
    height: auto;
    display: block;
    transition: all 0.3s;
}

.ad-card:hover img {
    transform: scale(1.02);
}