.fbk-fab{position:fixed;right:22px;bottom:96px;z-index:900;display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 18px 0 15px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#1c2530;font:inherit;font-size:14px;font-weight:700;letter-spacing:-.01em;cursor:pointer;box-shadow:0 2px 6px rgba(18,34,60,.07),0 12px 32px rgba(18,34,60,.14);transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease}.fbk-fab:hover{transform:translateY(-2px);border-color:#c6d4ea;box-shadow:0 4px 10px rgba(18,34,60,.09),0 18px 44px rgba(18,34,60,.18)}.fbk-fab-ic{color:var(--blue);flex:none}.fbk-fab.open{width:48px;padding:0;justify-content:center}.fbk-fab-x{font-size:22px;font-weight:500;color:var(--muted);line-height:1}.fbk-panel{position:fixed;right:22px;bottom:154px;z-index:900;width:min(344px,calc(100vw - 40px));background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 6px 16px rgba(15,30,60,.08),0 24px 64px rgba(15,30,60,.18);padding:18px;display:flex;flex-direction:column;gap:11px;animation:fbk-rise .22s ease both;transform-origin:bottom right}@keyframes fbk-rise{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.fbk-head{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.fbk-head b{display:block;font-size:16px;font-weight:800;letter-spacing:-.02em}.fbk-sub{display:block;margin-top:3px;font-size:13px;color:var(--muted)}.fbk-x{border:none;background:none;font-size:20px;line-height:1;color:var(--faint);cursor:pointer;padding:2px 4px;flex:none}.fbk-x:hover{color:var(--muted-d)}.fbk-seg{display:grid;grid-template-columns:1fr 1fr;gap:7px}.fbk-seg button{border:1.5px solid var(--line);background:#fff;border-radius:10px;padding:9px 0;font:inherit;font-size:14px;font-weight:700;color:var(--muted-d);cursor:pointer;transition:.14s}.fbk-seg button.on{border-color:var(--blue);background:#eff4ff;color:var(--blue-d)}.fbk-panel textarea{min-height:112px;padding:11px 13px;line-height:1.65;resize:vertical}.fbk-panel input,.fbk-panel textarea{border:1px solid var(--line-2);border-radius:11px;font:inherit;font-size:14px}.fbk-panel input{height:42px;padding:0 13px}.fbk-panel input:focus,.fbk-panel textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.13)}.fbk-btn{border:none;border-radius:11px;height:44px;font:inherit;font-size:15px;font-weight:800;cursor:pointer;transition:background .15s}.fbk-btn-blue{background:var(--blue);color:#fff}.fbk-btn-blue:hover:not(:disabled){background:var(--blue-d)}.fbk-btn-blue:disabled{opacity:.55;cursor:default}.fbk-btn-out{background:#fff;border:1px solid var(--line-2);color:var(--ink-2)}.fbk-hint{margin:0;font-size:12px;color:var(--faint);text-align:center}.fbk-done{display:flex;flex-direction:column;gap:8px;text-align:center;padding:10px 0 4px}.fbk-done b{font-size:16px;color:var(--ok)}.fbk-done p{margin:0;font-size:13px;color:var(--muted-d);line-height:1.6}.fbk-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:6px}@media (max-width:560px){.fbk-fab{right:16px;bottom:78px;width:50px;height:50px;padding:0;justify-content:center}.fbk-fab-label{display:none}.fbk-fab-ic{width:22px;height:22px}.fbk-panel{right:16px;bottom:76px}}.fbk-fab{width:58px;height:58px;padding:0;gap:0;justify-content:center;background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 4px 12px rgba(37,99,235,.28),0 14px 34px rgba(18,34,60,.18)}.fbk-fab:hover{background:var(--blue-d);border-color:var(--blue-d);box-shadow:0 6px 16px rgba(37,99,235,.36),0 20px 46px rgba(18,34,60,.22)}.fbk-fab-ic{color:#fff}.fbk-fab.open{width:58px;height:58px}.fbk-fab-x{color:#fff;font-size:26px}@media (max-width:560px){.fbk-fab{right:16px;bottom:78px}.fbk-fab,.fbk-fab.open{width:52px;height:52px}}.fbk-panel-top{top:74px;bottom:auto;transform-origin:top right}@media (max-width:860px){.fbk-panel-top{top:66px}}@media (min-width:1680px){.fbk-fab,.fbk-panel{right:42px}}