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.ptech-item:nth-child(n+3){margin-top:1.25rem}.ptech-list .ptech-item .ptech-inner{position:absolute;z-index:10;padding:0 3.125rem;top:3.4375rem;left:0;width:100%}.ptech-list .ptech-item .ptech-inner .title{font-size:1.75rem;font-weight:700;line-height:1;letter-spacing:normal;color:#101010}.ptech-list .ptech-item .ptech-inner .desc{margin-top:1.25rem;font-size:1.25rem;font-weight:400;line-height:1.875rem;letter-spacing:.02em;color:#444;opacity:.8}.video-btn{position:absolute;bottom:2.5rem;left:50%;transform:translate(-50%);z-index:10;flex-direction:column}.video-btn .icon{width:2.75rem;height:2.75rem}.video-btn .label{margin-top:1rem;font-size:.875rem;font-weight:400;line-height:1;letter-spacing:normal;color:#fff}.jk-block{margin-top:3.125rem}.small-block-title{text-align:center}.small-block-title .title{font-size:3.125rem;color:#000;font-weight:700;line-height:1}.small-block-title .desc{font-size:1.066vw;line-height:1;margin-top:3.33vw;color:#000}.jk-box{margin:3.333vw 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.label{color:#fff}.qx-box{margin:3.75rem var(--offset-width) 0}.qx-card{display:block;width:calc(33.33% - .666vw)}.qx-card .w100{width:100%;height:auto}.block{padding:7.5rem 0}