/* ===== content.css ===== */
/* 主内容区（首页特有）完整样式，包含所有模块及响应式适配 */
/* 修复：桌面端隐藏所有滑动箭头，移动端箭头已隐藏 */

/* ---------- Banner轮播图 ---------- */
.banner-container {
    position: relative;
    width: 100%;
    height: var(--layout-banner-height);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-top: var(--spacing-md / 2);
    margin-bottom: var(--spacing-xs);
    box-shadow: var(--shadow-md);
    background: var(--color-card-bg);
    border: 1px solid rgba(0, 0, 0, 0.05);
}
@media (min-width: 769px) {
    .banner-container {
        height: var(--layout-banner-height);
        margin-top: var(--spacing-xs);
    }
}
.banner-slider {
    position: relative;
    height: 100%;
    width: 100%;
    display: flex;
    border-radius: var(--radius-xl);
    overflow: hidden;
}
.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity var(--animation-speed-slow) ease-in-out;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: white;
    text-align: left;
    text-shadow: 0 1px 6px rgba(0,0,0,0.5);
}
.banner-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /*background: linear-gradient(90deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.4) 50%, transparent 100%);*/
    z-index: 1;
}
.banner-slide.active {
    opacity: 1;
    z-index: 2;
}
.banner-content {
    position: relative;
    max-width: 600px;
    padding: var(--spacing-4xl);
    z-index: 2;
    margin-left: 8%;
    animation: fadeInUp var(--animation-speed-slow) ease-out;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.banner-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
    -webkit-line-clamp: 3;
    overflow: hidden;
    letter-spacing: -0.5px;
}
.banner-desc {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.5;
    -webkit-line-clamp: 3;
    overflow: hidden;
    opacity: 0.9;
    max-width: 80%;
}
.banner-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-accent);
    color: white;
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    transition: background-color var(--animation-speed-normal), transform var(--animation-speed-normal), box-shadow var(--animation-speed-normal);
    position: relative;
    overflow: hidden;
    z-index: 1;
}
.banner-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: width var(--animation-speed-slow) ease;
    z-index: -1;
}
.banner-link:hover {
    background: #e55e00;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.banner-link:hover::before {
    width: 100%;
}
.banner-indicators {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-md);
    z-index: 3;
}
.banner-indicator {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: background-color var(--animation-speed-normal), transform var(--animation-speed-normal), border-color var(--animation-speed-normal);
    border: 2px solid transparent;
}
.banner-indicator.active {
    background: white;
    transform: scale(1.2);
    border-color: var(--color-accent);
}
.banner-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--color-accent);
    width: 0;
    transition: none;
    z-index: 3;
}
.banner-slide.active .banner-progress {
    transition: width var(--banner-duration, 5s) linear;
    width: 100%;
}
.banner-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: background-color var(--animation-speed-normal), transform var(--animation-speed-normal);
    z-index: 3;
    border: 1px solid rgba(255, 255, 255, 0.3);
}
@supports (backdrop-filter: blur(5px)) {
    .banner-nav {
        backdrop-filter: blur(5px);
    }
}
.banner-nav:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}
.banner-prev {
    left: var(--spacing-lg);
}
.banner-next {
    right: var(--spacing-lg);
}

/* ---------- 公司介绍与视频模块 ---------- */
.company-intro-video {
    background: var(--color-card-bg);
    border-radius: var(--radius-xl);
    padding: var(--spacing-4xl);
    margin: var(--spacing-3xl) 0;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-primary);
    border: 1px solid var(--color-border);
}
.intro-video-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-2xl);
}
.intro-video-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-right: var(--spacing-lg);
}
.intro-video-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-muted);
    font-weight: var(--font-weight-normal);
}
.intro-video-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: stretch;
}
@media (max-width: 992px) {
    .intro-video-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-3xl);
    }
}
.intro-text-section {
    display: flex;
    flex-direction: column;
}
.intro-text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--spacing-3xl);
    flex: 1;
}
.intro-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}
.stat-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(26, 86, 219, 0.05);
    border-radius: var(--radius-lg);
    transition: transform var(--animation-speed-normal);
    border: 1px solid var(--color-border);
}
.stat-item:hover {
    transform: translateY(-5px);
    border-color: rgba(26, 86, 219, 0.2);
}
.stat-value {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}
.stat-label {
    font-size: var(--font-size-md);
    color: var(--color-muted);
}
.intro-video-section {
    display: flex;
    flex-direction: column;
}
.video-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: #000;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 0, 0, 0.1);
    flex: 1;
    min-height: 400px;
    transition: border-color var(--animation-speed-slow) var(--animation-easing);
    z-index: 100;
}
.video-cover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 1;
}
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    padding: var(--spacing-xl);
    z-index: 2;
    transition: opacity var(--animation-speed-normal) ease;
}
.video-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}
.video-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    opacity: 0.9;
}
.video-play-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.video-play-btn {
    width: 70px;
    height: 70px;
    background: rgb(255 255 255 / 20%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a56db;
    font-size: var(--font-size-2xl);
    cursor: pointer;
    transition: background-color var(--animation-speed-normal), transform var(--animation-speed-normal);
    border: 2px solid rgba(255, 255, 255, 0.3);
    margin-bottom: var(--spacing-lg);
}
@supports (backdrop-filter: blur(5px)) {
    .video-play-btn {
        backdrop-filter: blur(5px);
    }
}
.video-play-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}
.video-play-text {
    font-size: var(--font-size-md);
    color: white;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
    font-weight: var(--font-weight-medium);
    opacity: 0.9;
}

/* ---------- 工厂实拍相册模块 ---------- */
.factory-album-section {
    margin: var(--spacing-4xl) 0;
    position: relative;
}
.factory-album-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-2xl);
    padding: 0 var(--spacing-md);
}
.factory-album-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    position: relative;
    padding-left: var(--spacing-sm);
}
.factory-album-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--color-primary);
    border-radius: 2px;
}
.factory-album-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-muted);
    margin-top: var(--spacing-sm);
}
.factory-slider-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl) 0;
    padding-top: calc(var(--spacing-xl) + 0px);
}
.factory-slider-wrapper .js-horizontal-slider {
    min-height: 400px;
    position: relative;
    padding-left: 70px;
}
.factory-card {
    width: 300px;
    height: 300px;
    margin-right: var(--spacing-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transform: rotate(12deg) translateY(25px);
    transform-origin: top center;
}
.factory-slider-wrapper .js-slider-item:first-child .factory-card {
    transform: rotate(12deg) translateY(25px) translateX(110px);
    z-index: 10;
}
.factory-image-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #e9ecef 100%);
    cursor: pointer;
}
.factory-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
}
.factory-hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 3;
    pointer-events: none;
}
.factory-hover-content {
    text-align: center;
    color: white;
    transform: translateY(10px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 90%;
    width: 100%;
}
.factory-hover-title {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}
.factory-hover-desc {
    font-size: 14px;
    line-height: 1.4;
    opacity: 0.9;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.factory-details-btn {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    border: none;
    cursor: pointer;
    
}
.factory-details-btn:hover {
    background: var(--color-secondary);
    transform: translateY(-2px);
    color: white;
}
.factory-card:hover {
    transform: rotate(0deg) translateY(-8px) translateY(25px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
    border-color: rgba(26, 86, 219, 0.3);
    z-index: 5;
}
.factory-slider-wrapper .js-slider-item:first-child .factory-card:hover {
    transform: rotate(0deg) translateY(-8px) translateY(25px) translateX(110px);
}
.factory-card:hover .factory-hover-overlay {
    opacity: 1;
    pointer-events: auto;
}
.factory-card:hover .factory-hover-content {
    transform: translateY(0);
    opacity: 1;
}
.factory-card:hover .factory-image {
    transform: scale(1.05);
}
.factory-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.03) 100%);
    border-radius: var(--radius-lg);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}
.factory-card:hover::before {
    opacity: 1;
}
.factory-slider-wrapper .scroll-nudge {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: var(--color-card-bg);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
                color 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 20;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    opacity: 0.8;
}
.factory-slider-wrapper .scroll-nudge:hover {
    background: var(--color-primary);
    color: white;
    opacity: 1;
    transform: translateY(-50%) scale(1.05);
}
.factory-slider-wrapper .scroll-nudge.left {
    left: var(--spacing-sm);
}
.factory-slider-wrapper .scroll-nudge.right {
    right: var(--spacing-sm);
}

/* 工厂卡片响应式 */
@media (max-width: 768px) {
    .factory-slider-wrapper .js-horizontal-slider {
        min-height: 340px;
        padding-left: 50px;
    }
    .factory-card {
        width: 260px;
        height: 260px;
        transform: rotate(10deg) translateY(20px);
    }
    .factory-slider-wrapper .js-slider-item:first-child .factory-card {
        transform: rotate(10deg) translateY(20px) translateX(80px);
        z-index: 10;
    }
    .factory-slider-wrapper {
        padding-top: calc(var(--spacing-xl) + 20px);
    }
    .factory-album-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    .factory-hover-title {
        font-size: 16px;
    }
    .factory-hover-desc {
        font-size: 12px;
        margin-bottom: var(--spacing-sm);
        -webkit-line-clamp: 2;
    }
    .factory-details-btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    .factory-slider-wrapper .scroll-nudge {
        display: none;
    }
}
@media (min-width: 769px) and (max-width: 1024px) {
    .factory-card {
        width: 280px;
        height: 280px;
        transform: rotate(11deg) translateY(22px);
    }
    .factory-slider-wrapper .js-slider-item:first-child .factory-card {
        transform: rotate(11deg) translateY(22px) translateX(95px);
    }
    .factory-slider-wrapper .js-horizontal-slider {
        min-height: 370px;
        padding-left: 65px;
    }
}
@media (min-width: 1025px) and (max-width: 1440px) {
    .factory-card {
        width: 280px;
        height: 280px;
    }
    .factory-slider-wrapper .js-slider-item:first-child .factory-card {
        transform: rotate(12deg) translateY(25px) translateX(105px);
    }
    .factory-slider-wrapper .js-horizontal-slider {
        padding-left: 70px;
    }
}
@media (min-width: 1441px) {
    .factory-card {
        width: 320px;
        height: 320px;
        transform: rotate(14deg) translateY(28px);
    }
    .factory-slider-wrapper .js-slider-item:first-child .factory-card {
        transform: rotate(14deg) translateY(28px) translateX(130px);
    }
    .factory-slider-wrapper .js-horizontal-slider {
        min-height: 420px;
        padding-left: 85px;
    }
}

/* ===== 热门产品模块 ===== */
.hot-products-carousel {
    position: relative;
    margin: var(--spacing-3xl) 0 var(--spacing-4xl);
    padding: 0;
    width: 100%;
    overflow: hidden;
}
.vertical-product-card {
    background: var(--color-card-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: transform 0.4s var(--animation-easing), box-shadow 0.4s var(--animation-easing), border-color 0.4s var(--animation-easing);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    user-select: none;
    -webkit-user-drag: none;
}
.vertical-product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
    border-color: rgba(26, 86, 219, 0.3);
}
.vertical-image-container {
    position: relative;
    width: 100%;
    padding-top: 110%;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #e9ecef 100%);
    user-select: none;
    -webkit-user-drag: none;
}
.vertical-product-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--animation-easing);
    pointer-events: auto;
    -webkit-user-drag: none;
    user-drag: none;
    -webkit-touch-callout: none;
}
.vertical-product-card:hover .vertical-product-image {
    transform: scale(1.08);
}
.vertical-product-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--color-accent);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    padding: 3px var(--spacing-sm);
    border-radius: 20px;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(255, 140, 0, 0.3);
}
.vertical-product-info {
    padding: 15px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.vertical-product-title {
    font-size: 15px;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
    color: var(--color-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;        /* 显示2行 */
    -webkit-box-orient: vertical;  /* 垂直排列 */
    overflow: hidden;              /* 超出隐藏 */
    /* 建议加上text-overflow，更完整 */
    text-overflow: ellipsis;       /* 超出显示省略号 */
}
.vertical-product-title a {
    color: inherit;
    transition: color var(--animation-speed-fast);
}
.vertical-product-title a:hover {
    color: var(--color-primary);
}

/* 产品描述 - 一行显示，超出隐藏（无省略号） */
.vertical-product-desc {
    margin-bottom: var(--spacing-sm);
    white-space: nowrap;
    overflow: hidden;
}

.vertical-desc-item {
    font-size: 13px;
    color: var(--color-muted);
}

/* 产品标签容器 */
.vertical-product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: var(--spacing-md);
    max-height: 30px;              /* 限制一行高度 */
    overflow: hidden;               /* 超出的直接隐藏，不显示 */
}

/* 标签样式 - 保持原样 */
.vertical-tag-item {
    background: rgba(26, 86, 219, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: #0c3695;
    font-weight: var(--font-weight-medium);
    line-height: 1.2;
    white-space: nowrap;
    display: inline-block;
    max-width: 50px;              /* 限制最大宽度，防止过长 */
    overflow: hidden;               /* 超出隐藏 */
    /* 不加 text-overflow: ellipsis，就没有省略号 */
}

.vertical-product-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    min-height: 28px;
}
.vertical-product-price {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    white-space: nowrap;
}
/* 底部按钮样式 */
.vertical-product-link {
    background: var(--color-primary);
    color: white;
    padding: 5px 10px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: var(--font-weight-bold);
    transition: background-color var(--animation-speed-normal), transform var(--animation-speed-normal), box-shadow var(--animation-speed-normal);
    display: flex;
    align-items: center;
    gap: 3px;
    white-space: nowrap;
    text-decoration: none;
}
.vertical-product-link:hover {
    background: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(26, 86, 219, 0.3);
}
/* 悬停区域 */
.vertical-image-hover-info {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    opacity: 0;
    transition: opacity 0.4s var(--animation-easing);
    z-index: 3;
    pointer-events: none;
}
.vertical-product-card:hover .vertical-image-hover-info {
    opacity: 1;
    pointer-events: auto;
}
.vertical-hover-description {
    color: white;
    font-size: 13px;
    line-height: 1.5;
    margin-bottom: var(--spacing-lg);
    max-height: 60px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}
/* 悬停按钮样式 */
.download-btn {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    transition: background-color var(--animation-speed-normal), transform var(--animation-speed-normal), box-shadow var(--animation-speed-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    box-shadow: var(--shadow-md);
    transform: translateY(10px);
    opacity: 0;
    transition: all 0.4s var(--animation-easing);
}
.vertical-product-card:hover .download-btn {
    transform: translateY(0);
    opacity: 1;
}
.download-btn:hover {
    background: var(--color-secondary);
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

/* ===== 产品模块响应式调整 ===== */
@media (max-width: 768px) {
    .hot-products-carousel {
        margin: var(--spacing-xl) 0 var(--spacing-3xl);
    }
    .scroll-container {
        padding: 15px 0;
    }
    .scroll-item {
        width: 260px;
    }
    .scroll-nudge {
        display: none;
    }
    .js-horizontal-slider {
        touch-action: pan-y;
        cursor: grab;
    }
}

@media (max-width: 480px) {
    .scroll-item {
        width: 240px;
    }
    .vertical-product-info {
        padding: var(--spacing-md);
    }
    .vertical-product-title {
        font-size: var(--font-size-md);
        -webkit-line-clamp: 1;
    }
    .vertical-product-actions {
        flex-direction: row;
        gap: var(--spacing-sm);
        align-items: center;
        min-height: 26px;
    }
    .vertical-product-price {
        font-size: 13px;
    }
    .vertical-product-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
}

/* ---------- 视频中心模块 ---------- */
.video-center-carousel {
    margin: var(--spacing-4xl) 0;
    position: relative;
}
.video-center-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-2xl);
    padding: 0 var(--spacing-md);
}
.video-center-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    position: relative;
    padding-left: var(--spacing-sm);
}
.video-center-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--color-primary);
    border-radius: 2px;
}
.video-center-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-muted);
    margin-top: var(--spacing-sm);
}
.video-slider-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl) 0;
}
.video-card {
    width: 360px;
    margin-right: var(--spacing-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    transition: transform 0.4s var(--animation-easing), 
                box-shadow 0.4s var(--animation-easing),
                border-color 0.4s var(--animation-easing);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}
@media (max-width: 768px) {
    .video-card {
        width: 300px;
    }
}
.video-cover-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
    background: #000;
    cursor: pointer;
}
.video-cover-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--animation-easing);
}
.video-card:hover .video-cover-img {
    transform: scale(1.05);
}
.video-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-video-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.3s var(--animation-easing);
    z-index: 2;
}
.video-card:hover .video-play-overlay {
    background: var(--color-video-overlay);
}
.video-play-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 22px;
    transition: all 0.3s var(--animation-easing);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}
.video-card:hover .video-play-icon {
    transform: scale(1.1);
    background: white;
    color: var(--color-secondary);
}
.video-card-info {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex: 1;
}
.video-card-title {
    font-size: 17px;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.video-card-title a {
    color: inherit;
    transition: color var(--animation-speed-fast);
}
.video-card-title a:hover {
    color: var(--color-primary);
}
.video-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-muted);
}
.video-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}
.video-meta-item i {
    font-size: var(--font-size-sm);
}
.video-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-md);
}
.video-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}
.video-tag {
    background: rgba(26, 86, 219, 0.1);
    color: var(--color-primary);
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: var(--font-weight-medium);
}
.video-view-link {
    color: var(--color-primary);
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: gap var(--animation-speed-normal);
}
.video-view-link:hover {
    gap: var(--spacing-sm);
    color: var(--color-secondary);
}
.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
    border-color: rgba(26, 86, 219, 0.3);
}

/* ---------- 新闻中心模块 ---------- */
.news-center-carousel {
    margin: var(--spacing-4xl) 0;
    position: relative;
}

.news-center-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-2xl);
    padding: 0 var(--spacing-md);
}

.news-center-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    position: relative;
    padding-left: var(--spacing-sm);
}

.news-center-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--color-primary);
    border-radius: 2px;
}

.news-center-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-muted);
    margin-top: var(--spacing-sm);
}

.news-slider-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl) 0;
}

/* 新闻卡片 */
.news-card {
    background: var(--color-card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
    height: 100%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
    border-color: rgba(26, 86, 219, 0.3);
}

/* 图片容器 */
.news-image-container {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #e9ecef 100%);
}

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

.news-card:hover .news-image {
    transform: scale(1.08);
}

/* 标签和日期徽章 */
.news-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--color-accent);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    padding: 4px var(--spacing-sm);
    border-radius: 20px;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(255, 140, 0, 0.3);
}

.news-date-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--color-primary);
    color: white;
    border-radius: 20px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 45px;
    padding: 6px 0;
}

.news-date-day {
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
}

.news-date-month {
    font-size: 11px;
    line-height: 1.2;
    opacity: 0.9;
}

/* 悬停遮罩 */
.news-hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 3;
}

.news-card:hover .news-hover-overlay {
    opacity: 1;
}

.news-read-more-btn {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-medium);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    transform: translateY(10px);
    opacity: 0;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-md);
}

.news-card:hover .news-read-more-btn {
    transform: translateY(0);
    opacity: 1;
}

.news-read-more-btn:hover {
    background: var(--color-secondary);
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

/* 卡片内容 */
.news-card-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.news-title {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-title a {
    color: inherit;
    text-decoration: none;
}

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

.news-excerpt {
    font-size: 14px;
    color: var(--color-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .news-slider-wrapper .js-slider-item {
        width: 100% !important;
        margin-right: 0 !important;
        padding: 0 var(--spacing-md);
        box-sizing: border-box;
    }
    
    .news-image-container {
        height: 220px;
    }
    
    .news-title {
        font-size: 20px;
    }
    
    .news-excerpt {
        font-size: 15px;
        -webkit-line-clamp: 3;
    }
    
    /* 移动端简化悬停效果（触屏友好） */
    .news-card:active {
        transform: translateY(-4px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    }
    
    .news-card:active .news-image {
        transform: scale(1.03);
    }
    
    .news-card:active .news-hover-overlay {
        opacity: 1;
    }
    
    .news-card:active .news-read-more-btn {
        transform: translateY(0);
        opacity: 1;
    }
}

@media (max-width: 480px) {
    .news-image-container {
        height: 200px;
    }
    
    .news-title {
        font-size: 18px;
    }
    
    .news-excerpt {
        font-size: 14px;
    }
    
    .news-card-content {
        padding: var(--spacing-md);
    }
}

/* ---------- 主内容区全局响应式调整 ---------- */
@media (max-width: 768px) {
    .banner-container {
        height: var(--layout-mobile-banner);
        border-radius: var(--radius-lg);
        margin-top: var(--spacing-md);
        margin-bottom: 5px;
    }
    .banner-content {
        padding: var(--spacing-xl);
        margin-left: 4%;
        max-width: 90%;
    }
    .banner-title {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-md);
    }
    .banner-desc {
        font-size: var(--font-size-md);
        margin-bottom: var(--spacing-lg);
        max-width: 100%;
    }
    .banner-link {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: var(--font-size-sm);
    }
    .banner-nav {
        width: 32px;
        height: 32px;
        font-size: var(--font-size-md);
    }
    .banner-prev {
        left: var(--spacing-sm);
    }
    .banner-next {
        right: var(--spacing-sm);
    }
    .banner-indicators {
        bottom: var(--spacing-lg);
    }
    
    .company-intro-video {
        padding: var(--spacing-xl);
    }
    .intro-video-title {
        font-size: var(--font-size-2xl);
    }
    .intro-stats {
        grid-template-columns: 1fr;
    }
    .video-container {
        min-height: 300px;
    }
    .video-play-btn {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-md);
    }
    .video-play-text {
        font-size: var(--font-size-sm);
    }
    .video-title {
        font-size: 22px;
    }
    .video-description {
        font-size: var(--font-size-md);
    }
    
    .video-center-carousel {
        margin: var(--spacing-3xl) 0;
    }
    .video-slider-wrapper {
        padding: 15px 0;
    }
    
    .scroll-item {
        width: 260px;
    }
    
    .hot-products-carousel {
        margin: var(--spacing-xl) 0 var(--spacing-3xl);
    }
    .scroll-container {
        padding: 15px 0;
    }
    .scroll-item {
        width: 260px;
    }
    .scroll-nudge {
        display: none;
    }
    .js-horizontal-slider {
        touch-action: pan-y;
        cursor: grab;
    }
}

@media (max-width: 480px) {
    .scroll-item {
        width: 240px;
    }
    .vertical-product-info {
        padding: var(--spacing-md);
    }
    .vertical-product-title {
        font-size: var(--font-size-md);
        -webkit-line-clamp: 1;
    }
    .vertical-product-actions {
        flex-direction: row;
        gap: var(--spacing-sm);
        align-items: center;
        min-height: 26px;
    }
    .vertical-product-price {
        font-size: 13px;
    }
    .vertical-product-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    .video-container {
        min-height: 300px;
    }
    .video-play-btn {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-xl);
    }
    .video-play-text {
        font-size: 11px;
    }
    .video-card {
        width: 280px;
    }
    .video-card-title {
        font-size: 15px;
    }
}

/* ===== 新增：桌面端完全隐藏所有主内容区的左右滑动箭头 ===== */
@media (min-width: 769px) {
    .factory-slider-wrapper .scroll-nudge,
    .hot-products-carousel .scroll-nudge,
    .video-slider-wrapper .scroll-nudge,
    .news-slider-wrapper .scroll-nudge {
        display: none !important;
    }
}