.purchase-activity{position:fixed;left:22px;bottom:24px;z-index:1100;display:flex;align-items:center;gap:9px;max-width:min(640px,calc(100vw - 44px));padding:11px 12px 11px 15px;background:rgba(17,27,42,.94);color:#edf3fc;border:1px solid rgba(102,116,139,.4);border-radius:999px;box-shadow:0 6px 20px rgba(4,17,38,.18);font-family:"Microsoft YaHei","PingFang SC",sans-serif;line-height:20px;backdrop-filter:blur(12px)}
.purchase-activity[hidden]{display:none!important}
.purchase-activity__dot{flex:none;width:6px;height:6px;border-radius:50%;background:#70bbdd;box-shadow:0 0 0 4px rgba(112,187,221,.07)}
.purchase-activity__message{font-size:12px;line-height:20px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:opacity .14s,transform .14s}
.purchase-activity.is-changing .purchase-activity__message{opacity:0;transform:translateY(-6px)}
.purchase-activity__region{color:#8cccea;margin:0 4px}
.purchase-activity__user{margin-right:4px}
.purchase-activity__product{font-weight:600;color:#fff;margin-left:4px}
.purchase-activity__close{flex:none;border:0;background:none;color:#a7b3c4;cursor:pointer;padding:3px 4px;font:17px/18px sans-serif;border-radius:50%}
.purchase-activity__close:hover{background:rgba(255,255,255,.08);color:#fff}
.purchase-activity__close:focus-visible{outline:2px solid #8cccea;outline-offset:3px}
@media(max-width:680px){.purchase-activity{left:12px;bottom:max(16px,env(safe-area-inset-bottom));max-width:calc(100vw - 24px);padding:10px 9px 10px 12px;gap:7px;border-radius:14px}.purchase-activity__message{white-space:normal;font-size:11px;line-height:19px}.purchase-activity__region{margin:0 2px}.purchase-activity__product{margin-left:2px}}
@media print{.purchase-activity{display:none!important}}
@media(prefers-reduced-motion:reduce){.purchase-activity__message{transition:none}}