/* ===== category.css - 分类页面专用样式 ===== */

/* ===== 面包屑导航 ===== */
.breadcrumb-wrapper {
    background: var(--bg-light);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.9rem;
    list-style: none;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

.breadcrumb li {
    display: flex;
    align-items: center;
}

.breadcrumb li:not(:last-child)::after {
    content: '/';
    margin-left: 8px;
    color: var(--text-lighter);
}

.breadcrumb a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.2s;
}

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

.breadcrumb li:last-child span {
    color: var(--text);
    font-weight: 500;
}

/* ===== 双栏布局 ===== */
.main-with-sidebar {
    padding: 30px 0;
}

.main-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 左侧边栏 ===== */
.sidebar {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 25px;
    height: fit-content;
    position: sticky;
    top: 100px;
    align-self: start;
}

.sidebar-header {
    border-bottom: 2px solid var(--border);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.sidebar-header h2 {
    font-size: 1.3rem;
    color: var(--text);
}

/* 分类列表 - 带计数 */
.category-list {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.category-item {
    margin-bottom: 5px;
}

.category-item a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    transition: all 0.3s;
    gap: 8px;
}

.category-item i {
    width: 18px;
    color: var(--text-light);
    font-size: 0.95rem;
    flex-shrink: 0;
}

.category-item .category-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.95rem;
}

.category-count {
    color: var(--text-lighter);
    font-size: 0.75rem;
    background: var(--bg);
    padding: 2px 6px;
    border-radius: 12px;
    flex-shrink: 0;
    margin-left: auto;
    text-align: center;
    line-height: 1.2;
    white-space: nowrap;
    min-width: fit-content;
}

.category-item:hover a {
    background: var(--primary-light);
    color: var(--primary);
}

.category-item:hover i {
    color: var(--primary);
}

.category-item:hover .category-count {
    background: rgba(255,255,255,0.9);
    color: var(--primary);
}

.category-item.active a {
    background: var(--primary);
    color: white;
}

.category-item.active i {
    color: white;
}

.category-item.active .category-count {
    background: rgba(255,255,255,0.2);
    color: white;
}

.sidebar-divider {
    height: 1px;
    background: var(--border);
    margin: 20px 0;
}

/* 筛选区域 */
.filter-section {
    margin-bottom: 20px;
}

.filter-title {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text);
    font-weight: 600;
}

.filter-group {
    margin-bottom: 20px;
}

.filter-group h4 {
    font-size: 0.95rem;
    margin-bottom: 10px;
    color: var(--text-light);
}

.filter-options {
    list-style: none;
    padding: 0;
}

.filter-options li {
    margin-bottom: 8px;
}

.filter-options label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    cursor: pointer;
    font-size: 0.9rem;
}

.filter-options input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--primary);
}

.filter-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.btn-clear, .btn-apply {
    flex: 1;
    padding: 10px;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    border: none;
}

.btn-clear {
    background: white;
    border: 1px solid var(--border);
    color: var(--text-light);
}

.btn-clear:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-apply {
    background: var(--primary);
    color: white;
}

.btn-apply:hover {
    background: var(--primary-dark);
}

/* ===== 右侧内容区 ===== */
.main-content {
    width: 100%;
}

.collection-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.page-title {
    font-size: 2rem;
    color: var(--text);
}

.collection-stats {
    display: flex;
    align-items: center;
    gap: 20px;
}

.product-count {
    color: var(--text-light);
    font-size: 0.95rem;
}

.sort-dropdown select {
    padding: 8px 15px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text);
    cursor: pointer;
    background: white;
    min-width: 180px;
}

.sort-dropdown select:focus {
    outline: none;
    border-color: var(--primary);
}

/* ===== 产品网格全宽 ===== */
.product-grid-full {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.product-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
    position: relative;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    z-index: 2;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    background: var(--primary);
    color: white;
}

.product-badge.bestseller { background: #28a745; }
.product-badge.feature { background: #17a2b8; }
.product-badge.new { background: #ffc107; color: var(--text); }
.product-badge.hot { background: #ff6b6b; color: white; }
.product-badge.recommend { background: #9b59b6; color: white; }
.product-badge.lightweight { background: var(--primary); color: white; }

/* ===== 产品图片样式 - 修改为正方形，完整显示图片 ===== */
.product-image-link {
    display: block;
    overflow: hidden;
    aspect-ratio: 1 / 1;  /* 1:1 正方形比例，匹配你的正方形图片 */
    background: #f5f5f5;
}

.product-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;  /* 完整显示图片，不裁剪 */
    transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);  /* hover 时轻微放大 */
}

.product-info {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-info h3 {
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.product-info h3 a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s;
}

.product-info h3 a:hover {
    color: var(--primary);
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.product-specs i {
    color: var(--primary);
    width: 18px;
    margin-right: 4px;
}

.product-variants {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}

.variant-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 0 0 1px var(--border);
    cursor: pointer;
    transition: transform 0.2s;
}

.variant-dot:hover {
    transform: scale(1.2);
}

.variant-more {
    color: var(--text-light);
    font-size: 0.8rem;
    margin-left: 5px;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border);
    padding-top: 15px;
    margin-top: auto;
}

.price-label {
    color: var(--text-lighter);
    font-size: 0.85rem;
}

.btn-inquire {
    background: var(--primary);
    color: white;
    padding: 6px 18px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: background 0.3s;
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-inquire:hover {
    background: var(--primary-dark);
}

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

.page-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    background: white;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text);
}

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

.page-btn.disabled,
.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.page-numbers {
    display: flex;
    gap: 10px;
}

.page-num {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
    text-decoration: none;
    color: var(--text);
}

.page-num:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.page-num.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.page-dots {
    color: var(--text-lighter);
    padding: 0 4px;
    display: flex;
    align-items: center;
}

/* ===== 下方内容区（与产品列表同宽） ===== */
.longtail-content,
.faq-section,
.related-tags {
    margin-top: 50px;
    width: 100%;
}

.longtail-content:first-of-type {
    margin-top: 30px;
}

.section-title {
    text-align: left;
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: var(--text);
    position: relative;
    padding-bottom: 12px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary);
}

/* 内容列表竖排 */
.content-list-vertical {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.content-item {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.content-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: var(--primary-light);
}

.content-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
}

.content-tag {
    background: var(--primary-light);
    color: var(--primary);
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.content-date {
    color: var(--text-lighter);
    font-size: 0.85rem;
    align-self: center;
}

.content-item h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.content-item h3 a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s;
}

.content-item h3 a:hover {
    color: var(--primary);
}

.content-item p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 15px;
}

.content-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.content-keywords span {
    background: white;
    color: var(--text-lighter);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid var(--border);
}

/* FAQ网格 */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.faq-item {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow);
}

.faq-question {
    font-weight: 600;
    color: var(--text);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
}

.faq-question::before {
    content: 'Q:';
    color: var(--primary);
    font-weight: 700;
    font-size: 1.1rem;
}

.faq-answer {
    color: var(--text-light);
    font-size: 0.95rem;
    padding-left: 25px;
    line-height: 1.6;
}

.faq-answer::before {
    content: 'A:';
    color: var(--primary-dark);
    font-weight: 600;
    margin-right: 8px;
}

/* 热门标签 */
.related-tags h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-start;
}

.tag-cloud a {
    background: var(--bg-light);
    color: var(--text-light);
    padding: 8px 16px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 0.9rem;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.tag-cloud a:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
    .product-grid-full {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .main-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        margin-bottom: 30px;
    }

    .product-grid-full {
        grid-template-columns: repeat(2, 1fr);
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .breadcrumb {
        font-size: 0.8rem;
        padding: 0 15px;
    }

    .collection-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .collection-stats {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .sort-dropdown select {
        width: 100%;
        min-width: auto;
    }

    .product-grid-full {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .section-title {
        font-size: 1.5rem;
        text-align: center;
    }

    .section-title::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .category-item a {
        padding: 8px 10px;
    }

    .category-item i {
        width: 16px;
        font-size: 0.9rem;
    }

    .category-item .category-name {
        font-size: 0.9rem;
    }

    .category-count {
        font-size: 0.7rem;
        padding: 2px 5px;
    }

    .content-item {
        padding: 20px;
    }

    .content-item h3 {
        font-size: 1.2rem;
    }

    .content-meta {
        flex-wrap: wrap;
        gap: 8px;
    }

    .tag-cloud {
        justify-content: center;
    }

    .tag-cloud a {
        padding: 6px 12px;
        font-size: 0.85rem;
    }

    .filter-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .main-layout {
        padding: 0 15px;
    }

    .sidebar {
        padding: 15px;
    }

    .product-info {
        padding: 15px;
    }

    .product-specs {
        gap: 8px;
        font-size: 0.85rem;
    }

    .btn-inquire {
        padding: 5px 15px;
        font-size: 0.8rem;
    }

    .pagination {
        gap: 10px;
    }

    .page-btn, .page-num {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }

    .faq-item {
        padding: 15px;
    }

    .faq-question {
        font-size: 0.95rem;
    }

    .faq-answer {
        font-size: 0.9rem;
    }
}

/* 询盘表单区域 */
.product-inquiry-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 60px 0;
    margin-top: 60px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.product-inquiry-section .container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.product-inquiry-section h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
    text-align: center;
    color: #1a1a2e;
}

.product-inquiry-section h3:after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary);
    margin: 15px auto 0;
    border-radius: 2px;
}

.product-inquiry-section > .container > p {
    text-align: center;
    color: #666;
    margin-bottom: 40px;
    font-size: 16px;
}

/* 表单样式 */
.inquiry-form .form-group {
    margin-bottom: 20px;
}

.inquiry-form label {
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    display: block;
}

.inquiry-form .form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: #fff;
}

.inquiry-form .form-control:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0,86,179,0.1); /* 可选：使用主色半透明 */
}

/* 提交按钮 */
.inquiry-form .btn-primary {
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 40px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
    letter-spacing: 1px;
}

.inquiry-form .btn-primary:hover {
    background: color-mix(in srgb, var(--primary) 80%, black);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.inquiry-form .btn-primary:active {
    transform: translateY(0);
}

.inquiry-form .btn-primary:disabled {
    background: #999;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

@media (max-width: 768px) {
    .product-inquiry-section {
        padding: 40px 0;
        margin-top: 40px;
    }
    .product-inquiry-section h3 {
        font-size: 26px;
    }
    .inquiry-form .btn-primary {
        width: 100%;
        padding: 12px;
    }
}

/* 产品卡片中的询价按钮 */
.product-footer .btn-inquire {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.product-footer .btn-inquire:hover {
    background: var(--primary);
    color: #fff;
    transform: translateX(3px);
}

/* 高亮动画（可选） */
.product-inquiry-section.highlight {
    animation: highlightFlash 1s ease;
}

@keyframes highlightFlash {
    0% { background: #fff3cd; box-shadow: 0 0 0 0 rgba(255,193,7,0.5); }
    100% { background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%); box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
}