/* Container for consistent width with other pages */
.container2 {
    width: 96%;
    min-width: 1200px;
    max-width: 1440px;
    margin: 0 auto;
    box-sizing: border-box;
}

/* Breadcrumb Navigation */
.breadcrumb-nav {
    display: flex;
    align-items: center;
    padding: 20px 0 16px 0;
    margin-top: 20px;
    margin-bottom: 0;
    font-size: 14px;
    color: #64748b;
    width: 100%;
    justify-content: flex-start;
}

.breadcrumb-item {
    color: #64748b;
    text-decoration: none;
    transition: color 0.2s ease;
    display: inline-flex;
    align-items: center;
    line-height: 1.5;
}

.breadcrumb-item:hover {
    color: var(--color);
}

.breadcrumb-item.breadcrumb-current {
    font-weight: 500;
    cursor: default;
    pointer-events: none;
}

.breadcrumb-separator {
    margin: 0 10px;
    color: #94a3b8;
    display: inline-flex;
    align-items: center;
    line-height: 1;
}

/* 3D Equipment Showroom Styles */
.showroom-container {
    min-height: 600px;
    padding: 40px 0 60px;
    background: #f8fafc;
}

.showroom-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
    background: #ffffff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.equipment-list-sidebar {
    border-right: 1px solid #e5e7eb;
    padding-right: 20px;
}

.equipment-list-sidebar h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 20px;
}

.equipment-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.equipment-list li {
    padding: 12px;
    margin-bottom: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.equipment-list li:hover {
    background: #f1f5f9;
}

.equipment-list li.active {
    background: var(--color);
    color: #ffffff;
}

.viewer-main {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.3d-viewer-container {
    width: 100%;
    height: 500px;
    background: #f8fafc;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.viewer-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #94a3b8;
}

.viewer-placeholder .iconfont {
    font-size: 64px;
    margin-bottom: 16px;
}

.viewer-placeholder p {
    font-size: 16px;
    margin: 8px 0;
}

.placeholder-note {
    font-size: 14px;
    color: #cbd5e1;
}

.viewer-controls {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.control-btn {
    padding: 10px 20px;
    background: #f1f5f9;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.control-btn:hover {
    background: var(--color);
    color: #ffffff;
    border-color: var(--color);
}

.technical-params {
    background: #f8fafc;
    border-radius: 12px;
    padding: 20px;
}

.technical-params h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 16px;
}

.params-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.param-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #e5e7eb;
}

.param-label {
    font-size: 14px;
    color: #64748b;
}

.param-value {
    font-size: 14px;
    color: #1e293b;
    font-weight: 600;
}

@media (max-width: 1200px) {
    .showroom-content {
        grid-template-columns: 1fr;
    }
    
    .equipment-list-sidebar {
        border-right: none;
        border-bottom: 1px solid #e5e7eb;
        padding-right: 0;
        padding-bottom: 20px;
        margin-bottom: 20px;
    }
}

/* ========== 展厅门户列表页 ========== */
.showroom-portal-container {
    min-height: 560px;
    padding: 24px 0 60px;
    background: #f1f5f9;
}

.showroom-portal-container .page-header {
    margin-bottom: 0;
}

.showroom-portal-container .page-title {
    font-size: 28px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 8px;
}

.showroom-portal-container .page-subtitle {
    font-size: 17px;
    color: #475569;
    margin: 0 0 12px;
}

.showroom-lead {
    font-size: 15px;
    color: #64748b;
    line-height: 1.6;
    margin: 0 0 24px;
    max-width: 720px;
}

.showroom-value-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 20px 28px;
    margin-bottom: 24px;
    padding: 18px 22px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.showroom-value-strip .value-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #475569;
}

.showroom-value-strip .value-item .iconfont {
    color: var(--color);
    font-size: 14px;
}

.showroom-stats-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    padding: 18px 22px;
    background: #fff;
    border-radius: 12px;
    margin-bottom: 24px;
    border: 1px solid #e2e8f0;
}

.showroom-stats-bar .stat-item {
    font-size: 14px;
    color: #64748b;
}

.showroom-stats-bar .stat-item strong {
    color: var(--color);
    margin-right: 4px;
}

.showroom-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 16px;
    margin-bottom: 28px;
    padding: 20px 24px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.showroom-filters .filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.showroom-filters label {
    font-size: 13px;
    font-weight: 500;
    color: #475569;
}

.showroom-filters select,
.showroom-filters input[type="text"] {
    padding: 10px 14px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    min-width: 180px;
    font-size: 14px;
    color: #1e293b;
    background: #fff;
}

.showroom-filters select:focus,
.showroom-filters input[type="text"]:focus {
    outline: none;
    border-color: var(--color);
}

.showroom-filters .btn-primary {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border: none;
    background: var(--color);
    color: #fff;
}

.showroom-filters .btn-primary:hover {
    opacity: 0.9;
}

.showroom-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.showroom-card {
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    transition: border-color 0.2s, box-shadow 0.2s;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.showroom-card:hover {
    border-color: rgba(65, 158, 255, 0.4);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.showroom-card-cover {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
    object-fit: cover;
}

.showroom-card-body {
    padding: 20px;
    flex: 1;
}

.showroom-card-type {
    font-size: 12px;
    color: var(--color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    font-weight: 600;
}

.showroom-card-title {
    font-size: 17px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 10px;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.showroom-card-supplier {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 8px;
}

.showroom-card-meta {
    font-size: 13px;
    color: #94a3b8;
}

.showroom-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color);
    text-decoration: none;
}

.showroom-card-link .iconfont {
    font-size: 12px;
}

.showroom-pagination {
    margin-top: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.showroom-pagination .page-btn {
    padding: 10px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #fff;
    color: #475569;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.showroom-pagination .page-btn:hover:not(.disabled) {
    border-color: var(--color);
    color: var(--color);
}

.showroom-pagination .page-btn.active {
    background: var(--color);
    color: #fff;
    border-color: var(--color);
}

.showroom-pagination .page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.showroom-pagination .pagination-info {
    font-size: 14px;
    color: #64748b;
    margin-right: 16px;
}

.showroom-no-data {
    grid-column: 1 / -1;
    text-align: center;
    padding: 64px 24px;
    background: #fff;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
}

.showroom-no-data .no-data-icon {
    font-size: 48px;
    color: #cbd5e1;
    margin-bottom: 16px;
}

.showroom-no-data .no-data-text {
    font-size: 16px;
    color: #64748b;
    margin-bottom: 8px;
}

.showroom-no-data .no-data-hint {
    font-size: 14px;
    color: #94a3b8;
}

@media (max-width: 900px) {
    .showroom-grid {
        grid-template-columns: 1fr;
    }
}

/* ========== 展厅详情页（3D 观看） ========== */
.showroom-detail-container {
    min-height: 600px;
    padding: 24px 0 60px;
    background: #0f172a;
}
.viewer-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 0;
    min-height: 70vh;
}
.viewer-canvas-wrap {
    position: relative;
    background: #1e293b;
}

.viewer-canvas-wrap canvas {
    display: block;
}
.viewer-fullheight {
    height: 70vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
}

.viewer-fullheight.viewer-has-canvas {
    display: block;
    padding: 0;
}
.viewer-fullheight .iconfont { font-size: 64px; }
.viewer-sidebar {
    background: #fff;
    padding: 20px;
    overflow-y: auto;
}
.viewer-sidebar h3 {
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 12px;
}
.hotspot-list,
.viewer-params-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.hotspot-list li {
    padding: 10px 0;
    border-bottom: 1px solid #e5e7eb;
    cursor: pointer;
    font-size: 14px;
}
.hotspot-list li:hover {
    color: var(--color);
}
.viewer-params-list .param-item {
    border-bottom: 1px solid #e5e7eb;
}
@media (max-width: 1024px) {
    .viewer-layout {
        grid-template-columns: 1fr;
    }
}