.qhd-share-bar{position:fixed;bottom:24px;right:24px;z-index:998;display:flex;flex-direction:column;align-items:flex-end;gap:8px}.qhd-share-toggle{width:52px;height:52px;border-radius:50%;background:var(--brand,#1a73e8);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(26,115,232,0.4);transition:all 0.25s cubic-bezier(0.16,1,0.3,1)}.qhd-share-toggle svg{width:24px;height:24px}.qhd-share-toggle:hover{transform:scale(1.08);box-shadow:0 6px 24px rgba(26,115,232,0.5)}.qhd-share-toggle:active{transform:scale(0.95)}.qhd-share-panel{display:flex;flex-direction:column;gap:6px;background:#fff;border-radius:16px;padding:8px;box-shadow:0 8px 32px rgba(0,0,0,0.12);border:1px solid var(--gray-100,#f1f5f9);opacity:0;pointer-events:none;transform:translateY(10px) scale(0.95);transition:all 0.2s cubic-bezier(0.16,1,0.3,1);transform-origin:bottom right}.qhd-share-bar.open .qhd-share-panel{opacity:1;pointer-events:auto;transform:translateY(0) scale(1)}.qhd-share-btn{display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:12px;background:none;border:none;cursor:pointer;font-size:0.9rem;font-weight:600;font-family:inherit;color:var(--gray-700,#334155);white-space:nowrap;transition:background 0.12s}.qhd-share-btn:hover{background:var(--gray-50,#f8fafc)}.qhd-share-btn svg{flex-shrink:0}.qhd-share-qr-overlay{position:fixed;inset:0;z-index:9999;background:rgba(15,23,42,0.6);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity 0.2s}.qhd-share-qr-overlay.open{opacity:1;pointer-events:auto}.qhd-share-qr-modal{background:#fff;border-radius:20px;padding:32px;text-align:center;position:relative;box-shadow:0 24px 64px rgba(0,0,0,0.2);transform:scale(0.95);transition:transform 0.2s}.qhd-share-qr-overlay.open .qhd-share-qr-modal{transform:scale(1)}.qhd-share-qr-modal h3{font-size:1.2rem;font-weight:700;margin-bottom:20px;color:var(--gray-900,#0f172a)}.qhd-share-qr-img{display:flex;justify-content:center;margin-bottom:16px}.qhd-share-qr-img img{border-radius:12px;border:1px solid var(--gray-100,#f1f5f9)}.qhd-share-qr-modal p{font-size:0.85rem;color:var(--gray-500,#64748b)}.qhd-share-qr-close{position:absolute;top:12px;right:12px;background:none;border:none;cursor:pointer;padding:4px;color:var(--gray-400,#94a3b8);border-radius:8px;transition:all 0.15s}.qhd-share-qr-close:hover{background:var(--gray-100,#f1f5f9);color:var(--gray-700,#334155)}.qhd-share-qr-close svg{width:20px;height:20px}.qhd-share-toast{position:fixed;bottom:100px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--gray-900,#0f172a);color:#fff;padding:12px 28px;border-radius:999px;font-size:0.9rem;font-weight:600;box-shadow:0 8px 32px rgba(0,0,0,0.2);opacity:0;transition:all 0.3s cubic-bezier(0.16,1,0.3,1);z-index:10000;white-space:nowrap}.qhd-share-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}@media (max-width:768px){.qhd-share-bar{bottom:16px;right:16px}.qhd-share-toggle{width:48px;height:48px}.qhd-share-btn{padding:8px 14px;font-size:0.85rem}}@media (max-width:480px){.qhd-share-bar{left:16px;right:16px;bottom:12px}.qhd-share-toggle{width:44px;height:44px}.qhd-share-btn{padding:6px 10px;font-size:0.8rem;gap:4px}.qhd-share-btn svg{width:16px;height:16px}}