.banner{background-image:url(/images/help/banner_pc.jpg);width:100%;height:300px;background-size:cover;background-position:center}.banner-content{max-width:1200px;margin:0 auto;padding:0 20px}.banner-list{display:flex;justify-content:space-around;align-items:center;margin-top:180px;color:rgba(255,255,255,.9);text-align:center;font-size:24px;font-weight:600}.product-content{max-width:1200px;margin:0 auto}.product-title{margin:50px 20px 20px}.product-list{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;width:100%;margin-bottom:30px}.product-item{background:#f9f9f9;border-radius:16px;padding:30px 25px;box-shadow:0 4px 20px rgba(0,0,0,.08);position:relative;height:200px}.product-name{font-size:16px;line-height:24px;margin-bottom:8px;font-weight:600}.product-type{font-size:12px;line-height:18px;margin-top:2px;color:rgba(0,0,0,.6)}.product-desc{font-size:12px;line-height:18px;margin-top:16px;color:rgba(0,0,0,.6);display:-webkit-box;-webkit-line-clamp:4;line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis;width:100%}.product-icon{border-radius:8px;text-align:right;position:absolute;right:0;bottom:10px;width:126px;height:59px}.product-icon img{width:100%}@media screen and (max-width:1200px){.product-list{grid-template-columns:repeat(3,1fr)}}@media screen and (max-width:900px){.product-list{grid-template-columns:repeat(2,1fr)}}@media screen and (max-width:600px){.product-list{grid-template-columns:1fr}}