/* Home Page Styles - 首页样式 */

.main-content {
    min-height: calc(100vh - 64px);
    padding-top: 0;
    padding-bottom: var(--spacing-xxl);
}

/* =============================================== */
/* Banner Carousel Section - 顶部轮播图样式 */
/* =============================================== */
.banner-section {
    position: relative;
    width: 100%;
    height: 60vh;
    min-height: 400px;
    max-height: 600px;
    overflow: hidden;
    background-color: var(--color-background-dark);
}

.banner-carousel {
    position: relative;
    width: 100%;
    height: 100%;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    pointer-events: none;
}

.banner-slide.active {
    opacity: 1;
    pointer-events: auto;
}

.banner-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Banner 控制按钮 */
.banner-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    pointer-events: none;
    z-index: 10;
}

.banner-prev,
.banner-next {
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--color-primary);
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    pointer-events: auto;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.banner-prev:hover,
.banner-next:hover {
    background-color: var(--color-primary);
    color: var(--color-background);
    transform: scale(1.1);
}

/* Banner 指示器 */
.banner-indicators {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 10;
}

.banner-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.banner-indicator:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

.banner-indicator.active {
    background-color: var(--color-background);
    width: 32px;
    border-radius: 6px;
}

/* =============================================== */
/* Hero Section - 公司介绍区域 */
/* =============================================== */
.hero-section {
    position: relative;
    padding: var(--spacing-xxl) 0;
    margin-bottom: var(--spacing-xxl);
    overflow: hidden;
    background-color: var(--color-background-light);
}

.hero-bg-wrapper {
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: var(--font-size-xxxl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xxl);
}

/* =============================================== */
/* Hero Images - 公司介绍图片拼接轮播 */
/* =============================================== */
.hero-images {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
    mask-image: linear-gradient(
        to right,
        transparent,
        black 10%,
        black 90%,
        transparent
    );
    -webkit-mask-image: linear-gradient(
        to right,
        transparent,
        black 10%,
        black 90%,
        transparent
    );
}

.hero-images-track {
    display: flex;
    gap: var(--spacing-lg);
    animation: scrollImages 60s linear infinite;
    width: max-content;
}

.hero-images-track:hover {
    animation-play-state: paused;
}

@keyframes scrollImages {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.company-intro-image-item {
    flex-shrink: 0;
    width: 280px;
    height: 200px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.company-intro-image-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.company-intro-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-slow);
}

.company-intro-image-item:hover .company-intro-image {
    transform: scale(1.1);
}

/* =============================================== */
/* Featured Section - 产品展示区域 */
/* =============================================== */
.featured-section {
    margin-top: var(--spacing-xxl);
}

.section-title {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.product-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.product-image-container {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background-color: var(--color-background-dark);
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

/* Product Image Lazy Loading */
.product-image.lazy-image {
    opacity: 0;
    transition: opacity 0.3s ease-in, transform var(--transition-base);
}

.product-image.lazy-loaded {
    opacity: 1;
}

.product-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-background-dark);
    color: var(--color-text-lighter);
    font-size: var(--font-size-sm);
}

.product-info {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    transition: color var(--transition-fast);
}

.product-name:hover {
    color: var(--color-accent);
}

.product-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-background-light);
    color: var(--color-text-light);
    font-size: var(--font-size-xs);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-sm);
}

.product-footer {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.product-price-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.product-price {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.product-min-order {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

.product-actions {
    display: flex;
    gap: var(--spacing-sm);
    width: 100%;
}

.product-actions .btn {
    flex: 1;
}

/* =============================================== */
/* CTA Section - 联系我们号召行动区域 */
/* =============================================== */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    padding: var(--spacing-xxl) 0;
    margin-top: var(--spacing-xxl);
}

.cta-content {
    text-align: center;
    color: var(--color-background);
}

.cta-content h2 {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-content .btn {
    background-color: var(--color-background);
    color: var(--color-primary);
    border: none;
}

.cta-content .btn:hover {
    background-color: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* =============================================== */
/* Empty State - 空状态 */
/* =============================================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--color-text-light);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-state-text {
    font-size: var(--font-size-lg);
}

/* =============================================== */
/* Footer - 页脚 */
/* =============================================== */
.footer {
    background-color: var(--color-background-light);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xxl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: 1.8;
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--color-accent);
}

.footer-text {
    text-align: center;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* =============================================== */
/* Responsive - 响应式设计 */
/* =============================================== */
@media (max-width: 1024px) {
    .banner-section {
        height: 50vh;
        min-height: 350px;
    }
    
    .company-intro-image-item {
        width: 240px;
        height: 170px;
    }
}

@media (max-width: 768px) {
    .banner-section {
        height: 40vh;
        min-height: 300px;
    }
    
    .banner-prev,
    .banner-next {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .banner-indicator {
        width: 10px;
        height: 10px;
    }
    
    .banner-indicator.active {
        width: 24px;
    }
    
    .hero-title {
        font-size: var(--font-size-xxl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .company-intro-image-item {
        width: 200px;
        height: 140px;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .product-image-container {
        height: 240px;
    }
    
    .cta-content h2 {
        font-size: var(--font-size-xl);
    }
    
    .cta-content p {
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    .banner-section {
        height: 35vh;
        min-height: 250px;
    }
    
    .banner-controls {
        padding: 0 var(--spacing-sm);
    }
    
    .banner-prev,
    .banner-next {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
    
    .hero-section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .hero-description {
        font-size: var(--font-size-sm);
    }
    
    .company-intro-image-item {
        width: 160px;
        height: 110px;
    }
    
    .hero-images-track {
        gap: var(--spacing-md);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: var(--font-size-xl);
    }
    
    .cta-section {
        padding: var(--spacing-xl) 0;
    }
}

/* =============================================== */
/* Image Preview / Lightbox - 图片预览大图 */
/* =============================================== */
.image-preview-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    cursor: zoom-out;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.image-preview-overlay.active,
.image-preview-overlay[style*="display: flex"] {
    opacity: 1;
    visibility: visible;
}

.image-preview-overlay img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.image-preview-overlay.active img,
.image-preview-overlay[style*="display: flex"] img {
    transform: scale(1);
}

.image-preview-overlay button {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.image-preview-overlay button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* Image Click Hints - 图片点击提示 */
.product-image-container {
    cursor: zoom-in;
}

.product-image-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0);
    transition: background var(--transition-fast);
    pointer-events: none;
}

.product-image-container:hover::after {
    background: rgba(0, 0, 0, 0.1);
}

.company-intro-image-item {
    cursor: zoom-in;
}

/* =============================================== */
/* 减少动画效果（用户设备偏好） */
/* =============================================== */
@media (prefers-reduced-motion: reduce) {
    .banner-slide {
        transition: opacity 0.3s ease;
    }
    
    .hero-images-track {
        animation: none;
    }
    
    .company-intro-image-item:hover {
        transform: none;
    }
    
    .company-intro-image-item:hover .company-intro-image {
        transform: none;
    }
    
    .image-preview-overlay img {
        transition: none;
    }
}