/* 产品详情页样式 */
/* 面包屑导航 */
.breadcrumb {
    background-color: #f8f9fa;
    padding: 12px 0;
    margin-top: 70px;
    border-bottom: 1px solid #eee;
}
.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #888;
}
.breadcrumb a { color: #4a9eff; transition: color 0.3s; }
.breadcrumb a:hover { color: #2d7dd2; }
.breadcrumb .separator { color: #ccc; }
.breadcrumb .current { color: #666; }

/* 产品详情主区域 */
.product-detail { padding: 60px 0; background-color: #fff; }
.product-detail .detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

/* 产品图片 */
.product-gallery {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background-color: #f8f9fa;
}
.product-gallery .main-image {
    width: 100%;
    height: 450px;
    object-fit: cover;
    display: block;
}
.product-gallery .category-badge {
    position: absolute;
    top: 20px; left: 20px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #4a9eff 0%, #2d7dd2 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    border-radius: 6px;
}
.product-gallery .category-badge.dip {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
}

/* 产品信息 */
.product-info-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.product-info-section h1 {
    font-size: 28px;
    font-weight: 700;
    color: #1a3a5c;
    line-height: 1.3;
}
.product-info-section .product-subtitle {
    font-size: 15px;
    color: #888;
    line-height: 1.6;
}
.product-info-section .divider {
    height: 1px;
    background-color: #eee;
    margin: 5px 0;
}
.product-info-section .description {
    font-size: 15px;
    color: #555;
    line-height: 1.8;
}
.product-info-section .description p { margin-bottom: 15px; }

/* 产品特性 */
.feature-list { display: flex; flex-direction: column; gap: 12px; }
.feature-list h3 {
    font-size: 16px;
    font-weight: 600;
    color: #1a3a5c;
    margin-bottom: 5px;
}
.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.feature-item .check-icon {
    width: 20px; height: 20px; min-width: 20px;
    background: linear-gradient(135deg, #4a9eff 0%, #2d7dd2 100%);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 12px; margin-top: 2px;
}
.feature-item span { font-size: 14px; color: #555; line-height: 1.6; }

/* 询盘按钮 */
.inquiry-actions { display: flex; gap: 15px; margin-top: 10px; }
.inquiry-actions .btn-inquiry {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 35px;
    background: linear-gradient(135deg, #ff8c00 0%, #e67e00 100%);
    color: #fff; font-size: 15px; font-weight: 500;
    border-radius: 8px; transition: all 0.3s; border: none; cursor: pointer;
}
.inquiry-actions .btn-inquiry:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 140, 0, 0.4);
}
.inquiry-actions .btn-contact {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 35px;
    border: 2px solid #4a9eff;
    color: #4a9eff; font-size: 15px; font-weight: 500;
    border-radius: 8px; transition: all 0.3s; background: transparent;
}
.inquiry-actions .btn-contact:hover { background-color: #4a9eff; color: #fff; }

/* 产品参数 */
.product-specs { padding: 60px 0; background-color: #f8f9fa; }
.product-specs .section-header { text-align: center; margin-bottom: 40px; }
.product-specs .section-header h2 {
    font-size: 28px; font-weight: 700; color: #1a3a5c; margin-bottom: 10px;
}
.specs-table {
    max-width: 800px; margin: 0 auto;
    background-color: #fff;
    border-radius: 12px; overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.06);
}
.specs-table table { width: 100%; border-collapse: collapse; }
.specs-table tr { border-bottom: 1px solid #f0f0f0; }
.specs-table tr:last-child { border-bottom: none; }
.specs-table td {
    padding: 16px 25px; font-size: 14px; color: #555; line-height: 1.6;
}
.specs-table td:first-child {
    width: 180px; font-weight: 600; color: #1a3a5c; background-color: #fafbfc;
}

/* 应用领域 */
.applications { padding: 60px 0; background-color: #fff; }
.applications .section-header { text-align: center; margin-bottom: 40px; }
.applications .section-header h2 {
    font-size: 28px; font-weight: 700; color: #1a3a5c; margin-bottom: 10px;
}
.app-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    max-width: 900px;
    margin: 0 auto;
}
.app-item {
    text-align: center; padding: 35px 25px;
    background-color: #f8f9fa; border-radius: 12px;
    transition: all 0.3s;
}
.app-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}
.app-item .app-icon { font-size: 36px; margin-bottom: 15px; display: block; }
.app-item h4 { font-size: 16px; font-weight: 600; color: #1a3a5c; margin-bottom: 8px; }
.app-item p { font-size: 13px; color: #888; line-height: 1.6; }

/* 相关产品 */
.related-products { padding: 60px 0; background-color: #f8f9fa; }
.related-products .section-header { text-align: center; margin-bottom: 40px; }
.related-products .section-header h2 {
    font-size: 28px; font-weight: 700; color: #1a3a5c; margin-bottom: 10px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}
.related-card {
    background-color: #fff; border-radius: 12px; overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.06);
    transition: all 0.3s; text-decoration: none; color: inherit;
}
.related-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}
.related-card img {
    width: 100%; height: 160px; object-fit: cover;
}
.related-card h4 {
    font-size: 15px; font-weight: 600; color: #1a3a5c;
    padding: 15px 15px 8px;
}
.related-card p {
    font-size: 12px; color: #888;
    padding: 0 15px 15px; line-height: 1.5;
}

/* 响应式 */
@media (max-width: 992px) {
    .product-detail .detail-grid { grid-template-columns: 1fr; gap: 30px; }
    .product-gallery .main-image { height: 350px; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .app-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
    .product-detail { padding: 30px 0; }
    .product-gallery .main-image { height: 280px; }
    .product-info-section h1 { font-size: 22px; }
    .inquiry-actions { flex-direction: column; }
    .related-grid { grid-template-columns: 1fr; }
    .app-grid { grid-template-columns: 1fr; }
    .specs-table td { padding: 12px 15px; }
    .specs-table td:first-child { width: 100px; }
}