/* World-Class Hero Slider Styles */
.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background: var(--gradient-hero);
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

.slide-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1.15);
    transition: transform 8s ease-out;
}

.slide.active .slide-background {
    transform: scale(1);
}

/* Dark overlay on top of slide image for text readability and to make the image visually present */
.slide-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(100deg, rgba(45, 31, 14, 0.78) 0%, rgba(45, 31, 14, 0.55) 45%, rgba(45, 31, 14, 0.25) 100%);
}

/* Removed hero blue mask: show uploaded slide image directly. */
.slide::before {
    content: none;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    color: var(--white);
    z-index: 2;
    max-width: 650px;
}

.slide-content h1,
.slide-content h2,
.slide-content p,
.slide-content .btn {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide.active .slide-content h1,
.slide.active .slide-content h2 {
    transition-delay: 0.5s;
    opacity: 1;
    transform: translateY(0);
}

.slide.active .slide-content p {
    transition-delay: 0.7s;
    opacity: 1;
    transform: translateY(0);
}

.slide.active .slide-content .btn {
    transition-delay: 0.9s;
    opacity: 1;
    transform: translateY(0);
}

.slide-content h1,
.slide-content h2 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--space-lg);
    text-shadow: 0 3px 6px rgba(0,0,0,0.3);
    line-height: 1.1;
}

.slide-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xl);
    font-weight: 300;
    max-width: 500px;
    color: var(--gray-100);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.slide-content h1,
.slide-content h2 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--space-lg);
    text-shadow: 0 3px 6px rgba(0,0,0,0.3);
    line-height: 1.1;
}

.title-line {
    display: block;
    color: var(--gray-100);
}

.title-highlight {
    display: block;
    color: var(--white);
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--white);
    display: block;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-200);
    font-weight: 500;
}

/* Enhanced Slider Navigation */
.slider-nav {
    position: absolute;
    bottom: 40px;
    left: 10%;
    display: flex;
    gap: 12px;
    z-index: 2;
}

.nav-dot {
    width: 40px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border-radius: 2px;
}

.nav-dot .progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: var(--white);
    border-radius: 2px;
}

.nav-dot.active .progress {
    width: 100%;
    transition: width 5s linear;
}

.slider-arrow {
    position: absolute;
    bottom: 25px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 2;
    transition: all 0.3s;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-arrow:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--white);
    transform: scale(1.1);
}

.slider-arrow.left {
    right: 100px;
}

.slider-arrow.right {
    right: 40px;
}

/* Enhanced Section Styles */
.rich-content-section {
    padding: var(--space-3xl) 0;
}

.product-showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.product-showcase-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid var(--gray-200);
}

.product-showcase-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-showcase-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-showcase-content {
    padding: var(--space-xl);
}

.product-showcase-content h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--gray-900);
}

.product-showcase-content p {
    color: var(--gray-600);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.product-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--primary-blue);
    color: var(--white);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.product-features {
    display: grid;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.product-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-700);
    font-size: var(--font-size-sm);
}

.product-feature i {
    color: var(--success-green);
    font-size: var(--font-size-base);
}

/* Enhanced How It Works Section */
.how-it-works {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.how-it-works img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.how-it-works-content h2 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    color: var(--gray-900);
}

.how-it-works-content p {
    margin-bottom: var(--space-lg);
    color: var(--gray-600);
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    padding: 0;
    display: grid;
    gap: var(--space-md);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--font-size-lg);
    color: var(--gray-700);
}

.feature-list i {
    color: var(--primary-blue);
    font-size: var(--font-size-xl);
}

/* Enhanced Factory Showcase */
.factory-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.factory-stat {
    text-align: center;
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

.factory-stat:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.factory-stat-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    color: var(--white);
    font-size: var(--font-size-xl);
}

.factory-stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--primary-blue);
    display: block;
    margin-bottom: var(--space-xs);
}

.factory-stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: 500;
}

.factory-top-video-wrap {
    margin-bottom: var(--space-2xl);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
    background: #000;
}

.factory-top-video {
    display: block;
    width: 100%;
    aspect-ratio: 7 / 4;
    height: auto;
    object-fit: cover;
    background: #000;
}

.factory-showcase {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-2xl);
    align-items: start;
    width: 100%;
}

.factory-showcase .text-content h3 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    color: var(--gray-900);
}

.factory-showcase .text-content p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

/* 调整文字内容区域，确保 1:2 比例更明显 */
.factory-showcase .text-content {
    max-width: none;
    width: 100%;
}

.manufacturing-features {
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.manufacturing-feature {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-xs);
}

.feature-content p {
    color: var(--gray-600);
    line-height: 1.6;
    font-size: var(--font-size-base);
    margin: 0;
}
.factory-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.factory-gallery {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    width: 100%;
    box-sizing: border-box;
    flex: 1;
}

.factory-showcase .factory-gallery .main-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    width: 100%;
    align-self: flex-start;
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    border: none;
}

.factory-showcase .factory-gallery .main-image img {
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    height: 349px !important;
    max-height: 349px !important;
    object-fit: cover;
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    border: none;
    flex-shrink: 0;
    flex-grow: 0;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.factory-showcase .factory-gallery .main-image:hover .image-overlay {
    opacity: 1;
}

.overlay-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--white);
    text-align: center;
}

.overlay-content i {
    font-size: var(--font-size-3xl);
    color: var(--white);
}

.overlay-content span {
    font-weight: 600;
    font-size: var(--font-size-base);
}

.factory-showcase .factory-gallery .gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    min-height: 223px;
    width: 100%;
    box-sizing: border-box;
    align-self: flex-start;
}

.factory-showcase .factory-gallery .gallery-grid img {
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    height: 223px !important;
    max-height: 223px !important;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    background: var(--gray-100);
    flex: 1;
    display: block;
}

.factory-showcase .factory-gallery .gallery-grid img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

/* 确保所有图片都能正确显示并填满空间 */
.factory-showcase .factory-gallery .gallery-grid img:nth-child(1) {
    grid-column: 1;
    grid-row: 1;
    width: 326px !important;
}

.factory-showcase .factory-gallery .gallery-grid img:nth-child(2) {
    grid-column: 2;
    grid-row: 1;
    width: 326px !important;
}

.factory-showcase .factory-gallery .gallery-grid img:nth-child(3) {
    grid-column: 1;
    grid-row: 2;
    width: 326px !important;
}

.factory-showcase .factory-gallery .gallery-grid img:nth-child(4) {
    grid-column: 2;
    grid-row: 2;
    width: 326px !important;
}

/* 添加图片加载失败的备用样式 */
.gallery-grid img:not([src]), 
.gallery-grid img[src=""],
.gallery-grid img[src*="error"] {
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

.gallery-grid img:not([src])::after, 
.gallery-grid img[src=""]::after,
.gallery-grid img[src*="error"]::after {
    content: "Image Loading...";
}

/* Enhanced Testimonial Section */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

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

.testimonial-card .quote-icon {
    font-size: 2rem;
    color: var(--primary-blue);
    opacity: 0.3;
    margin-bottom: var(--space-md);
}

.testimonial-card p {
    font-style: italic;
    color: var(--gray-700);
    flex-grow: 1;
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    border-top: 1px solid var(--gray-200);
    padding-top: var(--space-lg);
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    font-weight: 700;
    margin: 0 0 5px 0;
    color: var(--gray-900);
}

.author-info span {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

/* Enhanced Advantages Section */
.advantage-feature {
    display: grid;
    grid-template-columns: 60% 40%;
    gap: var(--space-3xl);
    align-items: center;
    margin-bottom: var(--space-3xl);
}

.advantage-feature:last-child {
    margin-bottom: 0;
}

.advantage-feature.reverse {
    grid-template-columns: 40% 60%;
}

.advantage-feature.reverse .advantage-image {
    order: 2;
}

.advantage-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.advantage-content h3 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--gray-900);
}

.advantage-content p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-lg);
}

/* Enhanced Industries Section */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.industry-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

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

.industry-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: var(--transition-normal);
}

.industry-card:hover img {
    transform: scale(1.1);
}

.industry-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-lg);
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: var(--white);
}

.industry-overlay h4 {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

/* Enhanced Interactive Tabs */
.tabs-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.tabs-nav {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    border-radius: var(--radius-lg);
    background: var(--gray-100);
    padding: var(--space-xs);
}

.tab-btn {
    background: transparent;
    border: none;
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: var(--radius-md);
}

.tab-btn.active {
    background: var(--white);
    color: var(--primary-blue);
    box-shadow: var(--shadow-md);
}

.tab-content {
    width: 100%;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.5s;
}

.tab-pane.active {
    display: block;
}

/* Enhanced Clients Section */
.clients {
    padding: var(--space-3xl) 0;
    background: var(--white);
}

.client-logos {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 40px;
}

.client-logo img {
    flex: 0 0 150px;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.clients .client-logo:hover img {
    filter: grayscale(0);
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 992px) {
    .how-it-works,
    .factory-showcase,
    .advantage-feature,
    .advantage-feature.reverse {
        grid-template-columns: 1fr;
    }
    
    .advantage-feature.reverse .advantage-image {
        order: 1;
    }
    
    .slide-content {
        left: 5%;
        max-width: 90%;
    }
    
    .slider-nav {
        left: 5%;
    }
    
    .slider-arrow.left {
        right: 80px;
    }
    
    .slider-arrow.right {
        right: 20px;
    }
}

@media (max-width: 768px) {
    .hero-slider {
        height: 80vh;
    }
    
    .slide-content h1 {
        font-size: var(--font-size-4xl);
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .product-showcase-grid,
    .testimonial-grid,
    .industries-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .cta-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .factory-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }
    
    .factory-showcase {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .factory-showcase .text-content {
        max-width: none;
    }

    .factory-top-video {
        aspect-ratio: 7 / 4;
        height: auto;
    }
    
    .factory-showcase .factory-gallery .main-image img {
        width: 100% !important;
        min-width: 100% !important;
        max-width: 100% !important;
        height: 250px !important;
        max-height: 250px !important;
    }
    
    .factory-showcase .factory-gallery .gallery-grid img {
        width: 100% !important;
        min-width: 100% !important;
        max-width: 100% !important;
        height: 200px !important;
        max-height: 200px !important;
    }
    
    .manufacturing-features {
        gap: var(--space-md);
    }
    
    .manufacturing-feature {
        flex-direction: column;
        text-align: center;
    }
    
    .factory-cta {
        justify-content: center;
    }
    
    .factory-showcase .factory-gallery .gallery-grid {
        grid-template-columns: 1fr;
        min-height: auto;
        width: 100% !important;
    }
    
    .tabs-nav {
        flex-direction: column;
        width: 100%;
    }
    
    .client-logos {
        justify-content: center;
    }
}

/* CTA Stats */
.cta-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.cta-stat {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--white);
    display: block;
}

.cta-stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-200);
    font-weight: 500;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}