.sdb2b-whatsapp{position:fixed;right:16px;bottom:16px;z-index:9999;background:#25D366;color:#fff;padding:10px 14px;border-radius:999px;text-decoration:none;box-shadow:0 2px 8px rgba(0,0,0,.2);font-weight:600}
.sdb2b-bio{min-height:80vh;display:flex;align-items:center;justify-content:center;background:#fff}
.sdb2b-bio-card{max-width:520px;width:100%;border:1px solid #eee;border-radius:16px;padding:24px;text-align:center;box-shadow:0 6px 20px rgba(0,0,0,.06);}
.sdb2b-bio-logo{width:96px;height:auto;border-radius:50%;margin:10px auto;}
.sdb2b-bio-btn{display:block;margin:10px 0;padding:12px 16px;border:1px solid #111;border-radius:10px;text-decoration:none;font-weight:700}