.product-section-header{color:var(--text-primary);font-size:var(--font-size-2xl);margin-bottom:var(--space-lg);align-items:center;font-weight:600;display:flex;position:relative}.product-section-header i{color:var(--primary-color);margin-right:var(--space-sm);font-size:var(--font-size-xl)}.product-section-header:after{content:"";bottom:calc(-1*var(--space-sm));background:var(--gradient-primary);border-radius:var(--radius-sm);width:60px;height:3px;position:absolute;left:0}.text-primary-strong{color:var(--text-primary);font-weight:600}.text-highlight-strong{color:var(--primary-color);font-weight:600}.product-overview-section{background-color:var(--bg-card);padding:var(--space-2xl);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:var(--transition-normal);position:relative;overflow:hidden}.product-overview-section:before{content:"";background:var(--gradient-primary);width:100%;height:3px;position:absolute;top:0;left:0}.product-overview-section:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.overview-text-content{color:var(--text-secondary);line-height:1.8}.overview-paragraph{font-size:var(--font-size-base);margin-bottom:var(--space-md)}.overview-paragraph:last-child{margin-bottom:0}.product-depth-section{background-color:var(--bg-section);padding:var(--space-2xl);border-radius:var(--radius-lg);border-left:4px solid var(--primary-color);position:relative}.product-feature-items{margin:0;padding:0;list-style:none}.product-feature-entry{color:var(--text-secondary);font-size:var(--font-size-base);padding:var(--space-lg)var(--space-md);border-bottom:1px solid var(--border-light);background:var(--bg-white);margin-bottom:var(--space-sm);border-radius:var(--radius-sm);transition:var(--transition-normal);line-height:1.8;position:relative}.product-feature-entry:last-child{border-bottom:none;margin-bottom:0}.product-feature-entry:before{content:"";background:var(--primary-color);opacity:0;width:3px;height:100%;transition:var(--transition-fast);position:absolute;top:0;left:0}.product-feature-entry:hover{background:var(--bg-hover);padding-left:var(--space-lg);box-shadow:var(--shadow-xs)}.product-feature-entry:hover:before{opacity:1}.feature-entry-label{color:var(--text-primary);margin-bottom:var(--space-xs);font-size:var(--font-size-base);font-weight:600;display:block}.feature-entry-desc{line-height:1.7;display:block}.product-feature-grid{gap:var(--space-lg);grid-template-columns:repeat(auto-fit,minmax(300px,1fr));display:grid}.product-grid-card{background:var(--bg-white);padding:var(--space-xl);border-radius:var(--radius-md);border:1px solid var(--border-light);transition:var(--transition-normal);height:100%}.product-grid-card:hover{box-shadow:var(--shadow-sm);border-color:var(--primary-alpha-20);transform:translateY(-2px)}.grid-card-header{margin-bottom:var(--space-lg);align-items:center;display:flex}.grid-card-number{background:var(--primary-color);color:var(--text-white);border-radius:var(--radius-sm);width:40px;height:40px;margin-right:var(--space-md);font-size:var(--font-size-lg);flex-shrink:0;justify-content:center;align-items:center;font-weight:700;display:flex}.grid-card-title{color:var(--text-primary);font-size:var(--font-size-lg);margin:0;font-weight:600}.grid-card-content{color:var(--text-secondary);font-size:var(--font-size-base);line-height:1.8}.grid-card-content p{margin-bottom:var(--space-sm)}.grid-card-content p:last-child{margin-bottom:0}.product-advantages-section{background:var(--gradient-card);padding:var(--space-2xl);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.advantages-linear-list{gap:var(--space-md);flex-direction:column;display:flex}.advantage-linear-item{padding:var(--space-lg);background:var(--bg-white);border-radius:var(--radius-sm);transition:var(--transition-normal);align-items:flex-start;display:flex;position:relative;overflow:hidden}.advantage-linear-item:before{content:"";background:var(--primary-alpha-10);width:100%;height:100%;transition:var(--transition-normal);position:absolute;top:0;left:0;transform:translate(-100%)}.advantage-linear-item:hover{box-shadow:var(--shadow-sm);transform:translate(4px)}.advantage-linear-item:hover:before{transform:translate(0)}.advantage-linear-number{color:var(--primary-color);font-size:var(--font-size-xl);margin-right:var(--space-lg);background:var(--primary-alpha-10);border-radius:var(--radius-full);z-index:1;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-weight:700;display:flex;position:relative}.advantage-linear-content{z-index:1;flex:1;position:relative}.advantage-linear-title{color:var(--text-primary);font-size:var(--font-size-lg);margin-bottom:var(--space-xs);font-weight:600}.advantage-linear-desc{color:var(--text-secondary);font-size:var(--font-size-base);margin:0;line-height:1.6}.advantages-grid-wrapper{background:var(--bg-white);padding:var(--space-2xl);border-radius:var(--radius-md)}.advantages-grid{gap:var(--space-lg);grid-template-columns:repeat(auto-fit,minmax(250px,1fr));display:grid}.advantage-grid-box{text-align:center;padding:var(--space-lg);transition:var(--transition-normal);border-radius:var(--radius-sm)}.advantage-grid-box:hover{background:var(--bg-hover);transform:translateY(-4px)}.advantage-grid-icon{background:var(--gradient-primary);color:var(--text-white);border-radius:var(--radius-full);width:60px;height:60px;margin:0 auto var(--space-md);font-size:var(--font-size-2xl);box-shadow:var(--shadow-sm);justify-content:center;align-items:center;font-weight:700;display:flex}.advantage-grid-title{color:var(--text-primary);font-size:var(--font-size-lg);margin-bottom:var(--space-sm);font-weight:600}.advantage-grid-desc{color:var(--text-secondary);font-size:var(--font-size-sm);margin:0;line-height:1.6}.advantage-highlight-item{background:var(--primary-alpha-10);border:1px solid var(--primary-alpha-20)}.advantage-highlight-item .advantage-linear-number{background:var(--gradient-primary);color:var(--text-white)}.application-highlight-box{background:var(--primary-alpha-10);padding:var(--space-lg);border-radius:var(--radius-md);border:1px solid var(--primary-alpha-20);margin-top:var(--space-md)}.application-highlight-title{color:var(--primary-color);font-size:var(--font-size-lg);margin-bottom:var(--space-sm);align-items:center;display:flex}.application-highlight-desc{color:var(--text-secondary);font-size:var(--font-size-base);margin:0;line-height:1.6}@media (width<=992px){.product-section-header{font-size:var(--font-size-xl)}.product-feature-grid{grid-template-columns:1fr}.advantages-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}}@media (width<=768px){.product-overview-section,.product-depth-section,.product-advantages-section{padding:var(--space-lg)}.product-feature-entry{padding:var(--space-md)}.advantage-linear-item:hover{transform:none}.product-section-header:after{width:40px}.advantages-grid-wrapper{padding:var(--space-lg)}}@media (width<=576px){.product-section-header{font-size:var(--font-size-lg);flex-wrap:wrap}.product-section-header i{width:100%;margin-bottom:var(--space-sm)}.advantage-linear-item{text-align:center;flex-direction:column}.advantage-linear-number{margin-right:0;margin-bottom:var(--space-md)}.advantages-grid{grid-template-columns:1fr}}.features-container>.feature-card{margin-bottom:10px}.advantage-grid-card{background:var(--bg-white);border-radius:var(--radius-sm);padding:var(--space-lg);height:100%;transition:var(--transition-normal);border:1px solid var(--border-light)}.advantage-grid-card:hover{box-shadow:var(--shadow-sm);border-color:var(--primary-alpha-20);transform:translateY(-2px)}.advantage-card-inner{align-items:flex-start;display:flex}.advantage-card-number{color:var(--primary-color);font-size:var(--font-size-2xl);margin-right:var(--space-md);flex-shrink:0;font-weight:700}.advantage-card-content{flex:1}.advantage-card-title{color:var(--text-primary);font-size:var(--font-size-lg);margin-bottom:var(--space-xs);font-weight:600}.advantage-card-desc{color:var(--text-secondary);font-size:var(--font-size-sm);margin:0;line-height:1.6}.highlight-number{color:var(--primary-color);font-size:var(--font-size-2xl);margin-right:var(--space-md);font-weight:700}.application-highlight-desc{padding-left:calc(var(--font-size-2xl) + var(--space-md))}