.mfcb-enabled{padding-bottom:64px}.mfcb-bar{position:fixed;left:0;right:0;bottom:0;z-index:9998;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));height:56px;background:var(--mfcb-bg,#fff);box-shadow:0 -4px 18px rgba(0,0,0,.12);border-top:1px solid rgba(0,0,0,.08);padding-bottom:env(safe-area-inset-bottom)}.mfcb-item,.mfcb-bar button.mfcb-item{appearance:none;-webkit-appearance:none;box-sizing:border-box;width:100%;height:56px;min-width:0;margin:0;padding:0 2px;border:0;border-radius:0;background:transparent;color:var(--mfcb-text,#222);display:flex;align-items:center;justify-content:center;gap:4px;font-size:14px;line-height:1.2;text-align:center;text-decoration:none;font-weight:600;font-family:inherit;white-space:nowrap;overflow:visible}.mfcb-item:active,.mfcb-item:hover{color:var(--mfcb-accent,#7a00b5)}.mfcb-wechat{cursor:pointer}.mfcb-wechat:before{content:"";display:block;flex:0 0 6px;width:6px;height:6px;border-radius:50%;background:var(--mfcb-accent,#7a00b5)}.mfcb-pop{position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,.48);padding:24px}.mfcb-pop.is-open{display:flex}.mfcb-pop-inner{position:relative;width:min(86vw,360px);background:#fff;border-radius:12px;text-align:center;padding:28px 20px 22px;box-shadow:0 12px 40px rgba(0,0,0,.22)}.mfcb-close{position:absolute;right:-10px;top:-10px;width:30px;height:30px;border:0;border-radius:50%;background:#222;color:#fff;font-size:22px;line-height:28px}.mfcb-title{font-size:15px;color:#555;margin-bottom:12px}.mfcb-wechat-id{font-size:26px;font-weight:800;letter-spacing:.5px;color:var(--mfcb-accent,#7a00b5);padding:10px 12px;border:1px dashed rgba(0,0,0,.18);border-radius:8px;background:#fafafa}.mfcb-tip{font-size:13px;color:#777;margin:12px 0 18px}.mfcb-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mfcb-copy,.mfcb-open-wechat{height:42px;border-radius:8px;border:0;background:var(--mfcb-accent,#7a00b5);color:#fff;font-size:14px;font-weight:700;text-decoration:none;line-height:42px}.mfcb-copy{cursor:pointer}.mfcb-open-wechat{display:block;background:#2aae67}@media (max-width:360px){.mfcb-item,.mfcb-bar button.mfcb-item{font-size:13px;height:52px}.mfcb-bar{height:52px}.mfcb-wechat:before{width:5px;height:5px;flex-basis:5px}}