.fbc-mask{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:100200;display:flex;align-items:flex-end;justify-content:center;opacity:0;transition:opacity .16s ease}.fbc-mask.on{opacity:1}@media (min-width:701px){.fbc-mask{align-items:center}}.fbc-sheet{width:100%;max-width:560px;background:var(--fb-card,#242526);color:var(--fb-text,#e4e6eb);border-radius:16px 16px 0 0;padding:8px 0 max(10px,env(safe-area-inset-bottom,0px));transform:translateY(14px);transition:transform .18s ease;box-shadow:0 -8px 40px rgba(0,0,0,.5)}.fbc-mask.on .fbc-sheet{transform:none}@media (min-width:701px){.fbc-sheet{border-radius:16px;max-width:420px}}.fbc-grab{width:42px;height:4px;border-radius:2px;background:#666;margin:6px auto 10px}.fbc-sheet h3{margin:0 0 6px;padding:0 18px;font-size:17px;font-weight:800}.fbc-item{display:flex;align-items:center;gap:14px;width:100%;background:0 0;border:0;color:inherit;font:inherit;text-align:left;padding:12px 18px;cursor:pointer}.fbc-item:hover{background:rgba(255,255,255,.06)}.fbc-ico{width:38px;height:38px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;font-size:19px}.fbc-it{font-size:15px;font-weight:700}.fbc-is{font-size:12.5px;color:var(--fb-text-secondary,#b0b3b8);margin-top:1px}.fbc-modal{width:100%;max-width:560px;background:var(--fb-card,#242526);color:var(--fb-text,#e4e6eb);border-radius:14px;display:flex;flex-direction:column;max-height:92vh;box-shadow:0 12px 50px rgba(0,0,0,.6)}@media (max-width:700px){.fbc-modal{border-radius:14px 14px 0 0;max-height:94vh}}.fbc-head{position:relative;text-align:center;padding:13px 48px;border-bottom:1px solid var(--fb-border,#3a3b3c);font-size:17px;font-weight:800}.fbc-x{position:absolute;right:10px;top:8px;width:34px;height:34px;border-radius:50%;background:var(--fb-input,#3a3b3c);border:0;color:inherit;font-size:17px;cursor:pointer}.fbc-who{display:flex;align-items:center;gap:10px;padding:12px 16px 6px}.fbc-who .n{font-size:15px;font-weight:700}.fbc-priv{margin-top:3px;background:var(--fb-input,#3a3b3c);color:inherit;border:0;border-radius:6px;padding:3px 8px;font-size:12.5px;font-family:inherit}.fbc-body{padding:0 16px 10px;overflow:auto;flex:1}.fbc-ta{width:100%;min-height:120px;background:0 0;border:0;color:inherit;font:inherit;font-size:19px;line-height:1.45;resize:none;outline:0}.fbc-pv{display:flex;flex-wrap:wrap;gap:8px;padding-bottom:8px}.fbc-pv figure{position:relative;margin:0}.fbc-pv img{width:96px;height:96px;object-fit:cover;border-radius:10px;display:block}.fbc-pv button{position:absolute;top:-6px;right:-6px;width:22px;height:22px;border-radius:50%;background:#000;color:#fff;border:1px solid #555;cursor:pointer;font-size:12px;line-height:1}.fbc-tools{display:flex;align-items:center;gap:10px;margin:0 16px 10px;border:1px solid var(--fb-border,#3a3b3c);border-radius:10px;padding:9px 12px}.fbc-tools .lb{flex:1;font-size:14px;font-weight:600}.fbc-tools button{background:0 0;border:0;cursor:pointer;font-size:20px;padding:2px 6px;border-radius:6px}.fbc-tools button:hover{background:rgba(255,255,255,.08)}.fbc-send{margin:0 16px 14px;padding:10px;border:0;border-radius:8px;background:#2078f4;color:#fff;font:inherit;font-size:15px;font-weight:700;cursor:pointer}.fbc-send:disabled{background:var(--fb-input,#3a3b3c);color:#8e8e8e;cursor:default}html:not([data-theme=dark]) .fbc-modal,html:not([data-theme=dark]) .fbc-sheet{background:#fff;color:#050505}html:not([data-theme=dark]) .fbc-is{color:#65676b}