*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:#f5f5f7;color:#1d1d1f;min-height:100vh;-webkit-font-smoothing:antialiased;padding-bottom:env(safe-area-inset-bottom)}.header{position:sticky;top:0;z-index:100;background:#ffffffd9;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:.5px solid rgba(0,0,0,.08)}.header-inner{max-width:480px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:12px 20px}.header-left{display:flex;align-items:center;gap:8px}.header-icon{font-size:18px}.header-title{font-size:16px;font-weight:700;color:#1d1d1f}.header-badge{font-size:11px;padding:3px 10px;background:#0a9b76;color:#fff;border-radius:20px;font-weight:500}.hero{max-width:480px;margin:0 auto;padding:28px 20px 20px;text-align:center}.status-dot{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#0a9b76;background:#0a9b7615;padding:5px 14px;border-radius:20px;margin-bottom:16px}.dot-pulse{width:6px;height:6px;background:#0a9b76;border-radius:50%;animation:pulse 1.5s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.hero-title{font-size:28px;font-weight:800;color:#1d1d1f;letter-spacing:-.5px;margin-bottom:8px}.hero-subtitle{font-size:14px;color:#86868b;margin-bottom:16px}.features{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}.feature-tag{font-size:12px;color:#1d1d1f;background:#fff;padding:5px 12px;border-radius:8px;box-shadow:0 1px 3px #0000000f}.categories{max-width:480px;margin:0 auto;display:flex;gap:8px;padding:0 20px 16px;overflow-x:auto;-webkit-overflow-scrolling:touch}.categories::-webkit-scrollbar{display:none}.category-tab{flex-shrink:0;padding:7px 16px;font-size:13px;border:none;background:#fff;color:#86868b;border-radius:20px;cursor:pointer;transition:all .2s;font-weight:500}.category-tab.active{background:#1d1d1f;color:#fff}.products-grid{max-width:480px;margin:0 auto;padding:0 20px 20px;display:flex;flex-direction:column;gap:12px}.card-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.card{background:#fff;border-radius:16px;padding:16px;box-shadow:0 1px 4px #0000000d;transition:transform .2s,box-shadow .2s;cursor:pointer}.card:active{transform:scale(.98)}.card-small{display:flex;flex-direction:column;align-items:center;text-align:center}.card-small .card-icon{font-size:32px;margin-bottom:8px}.card-small .card-name{font-size:14px;font-weight:700;color:#1d1d1f;margin-bottom:6px}.card-small .card-tag{font-size:10px;padding:2px 8px;border-radius:10px;font-weight:600;margin-bottom:6px}.card-small .card-desc{font-size:11px;color:#86868b;line-height:1.4;margin-bottom:10px}.card-small .card-bottom{width:100%;display:flex;align-items:center;justify-content:space-between}.card-large{display:flex;gap:14px;align-items:flex-start}.card-large .card-large-left{flex-shrink:0}.card-large .card-icon-lg{font-size:36px;width:56px;height:56px;background:#f5f5f7;border-radius:14px;display:flex;align-items:center;justify-content:center}.card-large .card-large-right{flex:1;min-width:0}.card-large .card-name{font-size:15px;font-weight:700;color:#1d1d1f;margin-bottom:4px}.card-large .card-tag{font-size:10px;padding:2px 8px;border-radius:10px;font-weight:600;display:inline-block;margin-bottom:6px}.card-large .card-desc{font-size:12px;color:#86868b;line-height:1.4;margin-bottom:10px}.card-large .card-bottom{display:flex;align-items:center;justify-content:space-between}.card-price{font-size:18px;font-weight:800;color:#0a9b76}.buy-btn{font-size:12px;padding:6px 14px;background:#1d1d1f;color:#fff;border:none;border-radius:20px;cursor:pointer;font-weight:600;transition:all .2s}.buy-btn:active{transform:scale(.95)}.empty-state{text-align:center;padding:40px 20px;color:#86868b;font-size:14px}.trust-bar{max-width:480px;margin:0 auto 20px;display:flex;justify-content:space-around;padding:16px 20px;background:#fff;border-radius:16px}.trust-item{font-size:11px;color:#86868b;text-align:center}.modal-overlay{position:fixed;inset:0;background:#00000080;z-index:1000;display:none;align-items:flex-end;justify-content:center}.modal-overlay.active{display:flex}.modal{width:100%;max-width:480px;background:#fff;border-radius:20px 20px 0 0;padding:24px 20px;padding-bottom:calc(24px + env(safe-area-inset-bottom));animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-title{font-size:18px;font-weight:700}.modal-close{font-size:20px;color:#86868b;cursor:pointer;padding:4px}.order-item{display:flex;align-items:center;gap:12px;padding:12px;background:#f5f5f7;border-radius:12px;margin-bottom:16px}.order-icon{font-size:28px}.order-info{flex:1}.order-name{font-size:15px;font-weight:600}.order-tag{font-size:11px;color:#0a9b76;margin-top:2px}.order-price{font-size:16px;font-weight:700;color:#0a9b76}.qty-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;font-size:14px}.qty-ctrl{display:flex;align-items:center;gap:12px}.qty-btn{width:32px;height:32px;border-radius:50%;border:1px solid #e0e0e0;background:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#1d1d1f}.qty-num{font-size:16px;font-weight:600;min-width:24px;text-align:center}.price-row{display:flex;justify-content:space-between;padding:8px 0;font-size:13px;color:#86868b}.price-row.total{border-top:1px solid #f0f0f0;padding-top:12px;margin-top:4px;font-size:15px;color:#1d1d1f;font-weight:600}.total-price{color:#0a9b76;font-weight:800;font-size:20px}.auto-ship-tip{font-size:13px;color:#0a9b76;background:#0a9b7612;padding:10px 14px;border-radius:10px;margin:12px 0;text-align:center;font-weight:500}.pay-method{margin:12px 0}.pay-method>span{font-size:13px;color:#86868b;display:block;margin-bottom:8px}.pay-option{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;background:#f5f5f7;border-radius:12px;font-size:14px;font-weight:500}.pay-option.selected{background:#0a9b7612;border:1px solid #0a9b76}.pay-btn{width:100%;padding:14px;background:#0a9b76;color:#fff;border:none;border-radius:14px;font-size:16px;font-weight:700;cursor:pointer;margin-top:12px;transition:all .2s}.pay-btn:active{transform:scale(.98);opacity:.9}.pay-btn:disabled{opacity:.6}.success-modal{text-align:center;padding:40px 20px;padding-bottom:calc(40px + env(safe-area-inset-bottom))}.success-icon-wrap{width:64px;height:64px;background:#0a9b76;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;animation:successPop .4s ease}@keyframes successPop{0%{transform:scale(0)}60%{transform:scale(1.2)}to{transform:scale(1)}}.success-icon{font-size:28px;color:#fff;font-weight:700}.success-title{font-size:20px;font-weight:700;color:#1d1d1f;margin-bottom:8px}.success-desc{font-size:14px;color:#86868b;margin-bottom:24px}.success-btn{padding:12px 40px;background:#1d1d1f;color:#fff;border:none;border-radius:14px;font-size:15px;font-weight:600;cursor:pointer}