.sell-phone-model-skeleton{max-width:1400px;margin:50px auto 80px}.skeleton{position:relative;overflow:hidden;background:#ececec;border-radius:10px}.skeleton:before{content:"";position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.75),transparent);animation:shimmer 1.5s infinite}@keyframes shimmer{to{transform:translateX(100%)}}.page-top{display:flex;justify-content:space-between;align-items:flex-end;margin:0 25px 20px;gap:30px}.page-top .left-content .title{width:420px;height:48px;margin-bottom:20px}.page-top .left-content .breadcrumb{display:flex;align-items:center;gap:12px;margin-bottom:18px}.page-top .left-content .breadcrumb .crumb{height:16px;border-radius:20px}.page-top .left-content .breadcrumb .crumb.small{width:70px}.page-top .left-content .breadcrumb .crumb.medium{width:180px}.page-top .left-content .breadcrumb .dot{width:18px;height:18px;border-radius:50%}.page-top .left-content .sub-title{width:220px;height:34px}.page-top .search-wrapper{position:relative;width:400px;height:58px}.page-top .search-wrapper .search-bar{width:100%;height:100%;border-radius:40px}.page-top .search-wrapper .search-btn{position:absolute;right:0;top:0;width:80px;height:58px;border-radius:0 40px 40px 0}.page-content{display:flex;gap:30px;background:#f8f8f8;padding:20px;border-radius:10px}.sidebar{width:260px;display:flex;flex-direction:column;gap:20px}.sidebar .filter-box,.sidebar .support-box{background:#fff;border-radius:18px;padding:22px;border:1px solid #f1f1f1}.sidebar .filter-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.sidebar .filter-header .filter-title{width:140px;height:22px}.sidebar .filter-header .arrow{width:18px;height:18px}.sidebar .filter-item{display:flex;align-items:center;gap:14px;margin-bottom:24px}.sidebar .filter-item .circle{width:22px;height:22px;border-radius:50%}.sidebar .filter-item .filter-line{width:140px;height:16px;border-radius:20px}.sidebar .support-title{width:140px;height:28px;margin-bottom:24px}.sidebar .support-lines{margin-bottom:30px}.sidebar .support-lines .line{width:100%;height:14px;margin-bottom:14px}.sidebar .support-lines .line.short{width:75%}.sidebar .support-btn{width:100%;height:52px;border-radius:40px}.product-grid{flex:1;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.product-grid .product-card{background:#fff;border-radius:22px;overflow:hidden;border:1px solid #f1f1f1}.product-grid .product-card .product-image{width:100%;height:200px;border-radius:0}.product-grid .product-card .product-info{padding:20px}.product-grid .product-card .product-info .product-title{width:80%;height:24px;margin-bottom:26px}.product-grid .product-card .product-info .product-btn{width:100%;height:52px;border-radius:40px}@media(max-width:1200px){.product-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:768px){.sell-phone-model-skeleton{width:94%}.page-top{flex-direction:column;align-items:stretch}.page-top .left-content .title{width:100%;height:40px}.page-top .left-content .sub-title{width:180px}.page-top .search-wrapper{width:100%}.page-content{flex-direction:column;padding:0;background:rgba(0,0,0,0)}.sidebar{width:100%}.sidebar .support-box{display:none}.sidebar .filter-box{background:rgba(0,0,0,0);border:none;padding:0}.product-grid{grid-template-columns:repeat(2,1fr);gap:18px}.product-grid .product-card .product-image{height:180px}.product-grid .product-card .product-info{padding:16px}.product-grid .product-card .product-info .product-title{height:20px}.product-grid .product-card .product-info .product-btn{height:46px}}@media(max-width:480px){.product-grid{gap:14px}.product-grid .product-card .product-image{height:160px}}