*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #1677ff;--primary-light: #e6f0ff;--success: #52c41a;--success-light: #f0fff0;--warning: #fa8c16;--warning-light: #fff7e6;--danger: #ff4d4f;--danger-light: #fff1f0;--text: #1a1a1a;--text-sec: #595959;--text-muted: #8c8c8c;--border: #d9d9d9;--bg: #f5f5f5;--card: #ffffff;--radius: 12px;--radius-sm: 8px;--nav-h: 60px;--header-h: 54px}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,Arial,sans-serif;font-size:15px;color:var(--text);background:var(--bg);-webkit-tap-highlight-color:transparent;overflow:hidden}#app{height:100%;display:flex;flex-direction:column;overflow:hidden}.pda-page{display:flex;flex-direction:column;height:100%;overflow:hidden}.pda-header{height:var(--header-h);background:var(--primary);color:#fff;display:flex;align-items:center;padding:0 16px;gap:12px;flex-shrink:0;position:relative}.pda-header h1{font-size:17px;font-weight:600;flex:1}.pda-header .back-btn{background:none;border:none;color:#fff;font-size:22px;line-height:1;cursor:pointer;padding:6px 4px}.pda-header .header-action{background:none;border:none;color:#fff;font-size:14px;cursor:pointer;padding:6px 8px;border-radius:6px}.pda-header .header-action:active{background:#fff3}.pda-scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:12px}.pda-bottom-nav{height:var(--nav-h);background:#fff;border-top:1px solid var(--border);display:flex;flex-shrink:0}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--text-muted);cursor:pointer;background:none;border:none;padding:0;transition:color .15s}.nav-item .nav-icon{font-size:22px;line-height:1}.nav-item.active{color:var(--primary)}.nav-item:active{opacity:.7}.card{background:var(--card);border-radius:var(--radius);padding:14px 16px;margin-bottom:10px;box-shadow:0 1px 4px #0000000f}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.card-title{font-weight:600;font-size:15px;color:var(--text)}.btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 20px;border-radius:8px;font-size:15px;font-weight:500;border:none;cursor:pointer;transition:opacity .15s,background .15s;gap:6px;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}.btn:active{opacity:.75}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-warning{background:var(--warning);color:#fff}.btn-ghost{background:#f0f0f0;color:var(--text)}.btn-outline{background:transparent;border:1.5px solid var(--primary);color:var(--primary)}.btn-full{width:100%}.btn-sm{height:36px;padding:0 14px;font-size:13px;border-radius:6px}.btn-lg{height:52px;font-size:17px;border-radius:10px}.tag{display:inline-flex;align-items:center;justify-content:center;padding:2px 10px;border-radius:100px;font-size:12px;font-weight:500;white-space:nowrap}.tag-info{background:#f0f0f0;color:var(--text-sec)}.tag-primary{background:var(--primary-light);color:var(--primary)}.tag-success{background:var(--success-light);color:var(--success)}.tag-warning{background:var(--warning-light);color:var(--warning)}.tag-danger{background:var(--danger-light);color:var(--danger)}.form-item{margin-bottom:16px}.form-label{font-size:13px;color:var(--text-sec);margin-bottom:6px}.form-input{width:100%;height:48px;border:1.5px solid var(--border);border-radius:8px;padding:0 14px;font-size:16px;color:var(--text);background:#fff;outline:none;transition:border-color .2s;-webkit-appearance:none;-moz-appearance:none;appearance:none}.form-input:focus{border-color:var(--primary)}.form-input::placeholder{color:#bfbfbf}.progress-bar{height:6px;background:#f0f0f0;border-radius:3px;overflow:hidden;margin-top:4px}.progress-fill{height:100%;background:var(--primary);border-radius:3px;transition:width .3s}.progress-fill.done{background:var(--success)}.divider{height:1px;background:#f0f0f0;margin:10px 0}.text-muted{color:var(--text-muted)}.text-sec{color:var(--text-sec)}.text-sm{font-size:13px}.text-xs{font-size:12px}.text-bold{font-weight:600}.text-primary{color:var(--primary)}.text-success{color:var(--success)}.text-danger{color:var(--danger)}.text-warning{color:var(--warning)}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.flex{display:flex}.flex-center{display:flex;align-items:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.gap-6{gap:6px}.gap-8{gap:8px}.gap-12{gap:12px}.pda-toast{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:9999}.pda-toast-inner{background:#000000bf;color:#fff;padding:12px 24px;border-radius:8px;font-size:15px;max-width:80%;text-align:center;pointer-events:auto}.loading-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 0;gap:12px;color:var(--text-muted)}.spinner{width:32px;height:32px;border:3px solid #e0e0e0;border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 0;gap:10px;color:var(--text-muted);font-size:15px}.empty-icon{font-size:48px}.qty-counter{display:inline-flex;align-items:center;gap:0;border:1.5px solid var(--border);border-radius:8px;overflow:hidden}.qty-btn{width:40px;height:40px;background:#fafafa;border:none;font-size:20px;color:var(--text-sec);cursor:pointer;outline:none;display:flex;align-items:center;justify-content:center;transition:background .15s}.qty-btn:active{background:#e0e0e0}.qty-btn:disabled{opacity:.3;cursor:not-allowed}.qty-input{width:56px;height:40px;border:none;border-left:1px solid var(--border);border-right:1px solid var(--border);text-align:center;font-size:17px;font-weight:600;color:var(--text);background:#fff;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}.qty-input::-webkit-outer-spin-button,.qty-input::-webkit-inner-spin-button{-webkit-appearance:none;-moz-appearance:none;appearance:none}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:flex-end;z-index:1000}.modal-sheet{width:100%;background:#fff;border-radius:16px 16px 0 0;padding:20px 16px 32px;animation:slideUp .25s ease}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-title{font-size:17px;font-weight:600;margin-bottom:16px;text-align:center}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-thumb{background:#d9d9d9;border-radius:2px}