/* ============ Page Banner ============ */
.page-banner {
    padding: 120px 0 60px;
    position: relative;
    color: #fff;
    text-align: left;
    margin-top: 0;
}

.page-banner .container {
    text-align: left;
}

.page-banner h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 10px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.8);
}

.breadcrumb a {
    color: rgba(255,255,255,0.9);
    transition: var(--transition);
}

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

/* ============ Product Grid ============ */
.products {
    padding: 80px 0;
    background: var(--bg-gray);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.product-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.product-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.product-img {
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.product-card:hover .product-img img {
    transform: scale(1.08);
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 6px;
}

.product-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.product-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-bg);
    padding: 2px 10px;
    border-radius: 12px;
    margin-bottom: 8px;
}

.product-link {
    display: inline-block;
    margin-top: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    transition: var(--transition);
}

.product-card:hover .product-link {
    letter-spacing: 1px;
}

/* ============ Product Categories (Products Page) ============ */
.product-categories {
    margin-bottom: 40px;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.cat-tab {
    padding: 10px 24px;
    border: 1px solid var(--border-color);
    background: #fff;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.cat-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.cat-tab.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 2px 10px rgba(26,115,232,0.2);
}

.category-subtabs {
    display: flex;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
    min-height: 40px;
}

.subtab-group {
    display: flex;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
}

.sub-tab {
    padding: 6px 16px;
    border: 1px solid var(--border-color);
    background: #fff;
    border-radius: 20px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.sub-tab:hover {
    border-color: var(--primary-light);
    color: var(--primary);
    background: var(--primary-bg);
}

.sub-tab.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ============ Product Detail ============ */
.product-detail {
    padding: 40px 0 80px;
}

.product-detail-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    align-items: start;
}

.product-detail-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    background: #fff;
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    align-items: stretch;
}

.product-detail-gallery {
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
}

.product-detail-gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius);
}

.product-detail-info {
    display: flex;
    flex-direction: column;
}

.product-detail-info h1 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 12px;
    flex-shrink: 0;
}

.product-detail-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
    flex-shrink: 0;
}

.product-detail-meta span {
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    background: var(--primary-bg);
    color: var(--primary);
}

.product-detail-meta span:nth-child(2) {
    background: #fff3e0;
    color: #ef6c00;
}

.product-detail-meta span:nth-child(3) {
    background: #e8f5e9;
    color: #2e7d32;
}

.product-detail-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}

.product-detail-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: auto;
}

.product-detail-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 1.05rem;
    font-weight: 700;
    transition: var(--transition);
}

.product-detail-phone:hover {
    color: var(--primary-dark);
}

/* ============ Product Detail Sidebar ============ */
.detail-sidebar-widget {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.detail-sidebar-widget h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-bg);
}

.detail-sidebar-qr {
    text-align: center;
}

.detail-sidebar-qr img {
    width: 180px;
    height: auto;
    margin: 0 auto 12px;
    border-radius: 8px;
}

.detail-sidebar-qr p {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
}

.detail-sidebar-qr .phone-sub {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 400;
    margin-top: 4px;
}

/* ============ News List Page ============ */
.news-list-page {
    padding: 40px 0 80px;
}

.page-with-sidebar {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    align-items: start;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 20px;
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
}

.news-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.news-thumb {
    overflow: hidden;
    height: 180px;
}

.news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-item:hover .news-thumb img {
    transform: scale(1.06);
}

.news-body {
    padding: 20px 20px 20px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
    line-height: 1.4;
}

.news-summary {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta {
    display: flex;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ============ News Detail ============ */
.news-detail-page {
    padding: 40px 0 80px;
}

.news-detail-header {
    text-align: left;
    margin-bottom: 32px;
}

.news-detail-header h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 12px;
    line-height: 1.3;
}

.news-detail-meta {
    display: flex;
    justify-content: flex-start;
    gap: 20px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.news-detail-content {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.9;
}

.news-detail-content p {
    margin-bottom: 20px;
}

.news-detail-content h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 32px 0 16px;
}

.news-detail-content blockquote {
    border-left: 4px solid var(--primary);
    background: var(--primary-bg);
    padding: 20px 24px;
    margin: 24px 0;
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.news-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.news-prev,
.news-next {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
}

.news-prev:hover,
.news-next:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.news-next {
    text-align: right;
}

.news-nav .label {
    font-size: 0.85rem;
    color: var(--text-light);
}

.news-nav .title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ============ Company Detail Page ============ */
.company-detail-page {
    padding: 40px 0 80px;
}

.company-detail-top {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 24px;
    align-items: stretch;
    background: #fff;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.company-detail-image {
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
}

.company-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius);
}

.company-detail-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.company-detail-info h1 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.company-detail-meta {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.company-meta-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--primary-bg);
    border-radius: 10px;
    padding: 16px 20px;
    border-left: 4px solid var(--primary);
}

.company-meta-label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-light);
    white-space: nowrap;
    flex-shrink: 0;
}

.company-meta-value {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.company-detail-body {
    margin-top: 32px;
    background: #fff;
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
}

.company-detail-body h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-bg);
}

.company-detail-body p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 16px;
}

/* ============ About Page (Contact page) ============ */
.about-page {
    padding: 60px 0;
}

.about-page-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-page-image {
    border-radius: var(--radius);
    padding: 10px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    width: 550px;
    height: 440px;
    margin: 0 auto;
}

.about-page-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: calc(var(--radius) - 2px);
}

.about-page-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-page-text h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.about-page-text p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 14px;
}

/* ============ Mission Section ============ */
.mission {
    padding: 60px 0;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.mission-card {
    padding: 36px 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
    background: #fff;
}

.mission-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-4px);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-color: transparent;
}

.mission-card:hover p {
    color: rgba(255,255,255,0.85);
}

.mission-card:hover h3 {
    color: #fff;
}

.mission-card:hover .mission-icon svg circle {
    fill: rgba(255,255,255,0.12);
    stroke: #fff;
}

.mission-card:hover .mission-icon svg path {
    stroke: #fff;
    fill: rgba(255,255,255,0.1);
}

.mission-card-primary {
    background: #fff;
    color: inherit;
    border-color: var(--border-color);
}

.mission-card-primary p,
.mission-card-primary h3 {
    color: inherit;
}

.mission-icon {
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
}

.mission-icon svg {
    width: 64px;
    height: 64px;
}

.mission-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.mission-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============ Advantages Grid ============ */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.advantage-card {
    text-align: center;
    padding: 32px 20px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-bg);
    border-radius: 16px;
}

.advantage-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.advantage-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============ Contact Page ============ */
.contact-page {
    padding: 60px 0;
}

.contact-page-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: stretch;
}

.contact-page-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-info-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px 24px;
    transition: var(--transition);
}

.contact-info-card:hover {
    box-shadow: var(--shadow);
    border-color: var(--primary-light);
}

.contact-info-header {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-info-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: 12px;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-info-header h4 {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 2px;
}

.contact-info-header p {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-form {
    background: #fff;
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 16px;
}

.form-group:last-of-type {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.92rem;
    font-family: inherit;
    transition: var(--transition);
    color: var(--text-primary);
    background: #fff;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,115,232,0.1);
}

.form-textarea {
    min-height: 0;
    flex: 1;
    resize: vertical;
}

/* ============ Responsive (List pages only) ============ */
@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .product-detail-layout {
        grid-template-columns: 1fr;
    }

    .product-detail-sidebar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .page-with-sidebar {
        grid-template-columns: 1fr;
    }

    .news-item {
        grid-template-columns: 1fr;
    }

    .news-thumb {
        height: 200px;
    }

    .news-body {
        padding: 16px;
    }

    .news-detail-header h1 {
        font-size: 1.3rem;
    }

    .news-nav {
        grid-template-columns: 1fr;
    }

    .about-page-intro {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .company-detail-top {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .company-detail-image {
        aspect-ratio: 16 / 9;
    }

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

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

    .contact-page-inner {
        grid-template-columns: 1fr;
    }

    .product-detail-inner {
        grid-template-columns: 1fr;
    }

    .product-detail-sidebar {
        grid-template-columns: 1fr;
    }

    .page-banner {
        padding: 100px 0 40px;
    }

    .page-banner h1 {
        font-size: 1.5rem;
    }

    .category-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 6px;
    }

    .cat-tab {
        white-space: nowrap;
        flex-shrink: 0;
    }
}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 1fr;
    }

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