.profile-referral-card{background:linear-gradient(135deg,#eff6ff 0%,#f0fdf4 55%,#fff 100%);border:1px solid #bfdbfe;border-radius:16px;padding:1.15rem 1.25rem;margin-bottom:0.5rem}.profile-referral-card__head{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px}.profile-referral-card__icon{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#2563eb,#16a34a);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.15rem;flex-shrink:0}.profile-referral-card__head h4{margin:0 0 4px;font-size:1rem;color:#0f172a}.profile-referral-card__desc{margin:0;font-size:0.82rem;color:#475569;line-height:1.5}.profile-referral-code-box{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:12px 14px;background:#fff;border:1px dashed #93c5fd;border-radius:12px;margin-bottom:12px}.profile-referral-code-box__label{font-size:0.78rem;color:#64748b;font-weight:600}.profile-referral-code-box__code{font-family:ui-monospace,'Cascadia Code',monospace;font-size:1.15rem;font-weight:800;letter-spacing:0.06em;color:#1d4ed8;flex:1;min-width:120px}.profile-referral-actions{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.profile-referral-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:10px;border:none;font-size:0.85rem;font-weight:700;cursor:pointer;transition:transform 0.15s ease,box-shadow 0.15s ease}.profile-referral-btn--share{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;box-shadow:0 4px 14px rgba(37,99,235,0.35)}.profile-referral-btn--copy{background:#fff;color:#1e40af;border:1px solid #bfdbfe}.profile-referral-btn:hover{transform:translateY(-1px)}.profile-referral-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:10px}.profile-referral-stat{background:rgba(255,255,255,0.85);border-radius:10px;padding:10px 12px;text-align:center;border:1px solid #e2e8f0}.profile-referral-stat strong{display:block;font-size:1.25rem;color:#0f172a;line-height:1.2}.profile-referral-stat span{font-size:0.72rem;color:#64748b}.profile-referral-hint{margin:0;font-size:0.8rem;color:#15803d;background:#dcfce7;border-radius:8px;padding:8px 10px;line-height:1.45}.profile-referral-link-preview{margin-top:8px;font-size:0.72rem;color:#94a3b8;word-break:break-all}.register-referral-hint{display:block;margin-top:6px;font-size:0.78rem;color:#64748b}.optional-tag{font-size:0.75rem;font-weight:500;color:#94a3b8}