.wecom-fab{position:fixed;right:22px;bottom:22px;z-index:9998;display:flex;align-items:center;gap:10px;border:1px solid #0f6b70;background:#0b4f54;color:#fff;border-radius:999px;padding:9px 15px 9px 10px;box-shadow:0 10px 30px rgba(0,0,0,.28);cursor:pointer;font:600 13px/1.2 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}
.wecom-fab:hover{background:#0f6b70}
.wecom-fab img{width:34px;height:34px;border-radius:50%;background:#fff;padding:2px;object-fit:contain}
.wecom-modal{position:fixed;inset:0;z-index:99999;display:none;align-items:center;justify-content:center;background:rgba(4,12,16,.62);padding:20px}
.wecom-modal.on{display:flex}
.wecom-card{position:relative;width:min(92vw,390px);background:#fff;color:#17262b;border-radius:18px;padding:26px 24px 22px;box-shadow:0 28px 80px rgba(0,0,0,.35);text-align:center;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}
.wecom-card .x{position:absolute;right:12px;top:8px;border:0;background:transparent;color:#5a6b70;font-size:26px;line-height:1;cursor:pointer}
.wecom-card h3{margin:2px 0 6px;font-size:18px;color:#0b4f54}
.wecom-card p{margin:0 0 14px;font-size:13px;line-height:1.7;color:#5a6b70}
.wecom-card img{width:220px;height:220px;max-width:72vw;max-height:72vw;display:block;margin:0 auto 12px;border:1px solid #e5edef;border-radius:12px;background:#fff;object-fit:contain}
.wecom-card .tip{font-size:12px;color:#7b8a8f;line-height:1.6}
.wecom-card .tag{display:inline-block;margin-top:12px;background:#e9f6f5;color:#0b6b70;border-radius:999px;padding:5px 12px;font-size:12px}
@media(max-width:640px){.wecom-fab{right:14px;bottom:16px;padding:8px 12px 8px 8px;font-size:12px}.wecom-fab img{width:30px;height:30px}.wecom-card img{width:200px;height:200px}}