.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.fa-btn{position:fixed;right:14px;bottom:14px;z-index:9999;background:#2f6b5a;color:#fff;border:0;border-radius:999px;padding:12px 16px;font:600 15px/1 system-ui,sans-serif;box-shadow:0 4px 14px rgba(0,0,0,.25);cursor:pointer}
.fa-panel{position:fixed;right:12px;bottom:70px;z-index:9999;width:min(380px,calc(100vw - 24px));max-height:min(70vh,560px);display:none;flex-direction:column;background:#fff;border:1px solid #cfdcd6;border-radius:14px;box-shadow:0 8px 28px rgba(0,0,0,.25);font:15px/1.45 system-ui,sans-serif;color:#1d2b26}
.fa-panel.open{display:flex}
.fa-head{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:#2f6b5a;color:#fff;border-radius:14px 14px 0 0;font-weight:600}
.fa-head button{background:none;border:0;color:#fff;font-size:22px;cursor:pointer}
.fa-log{flex:1;overflow:auto;padding:10px 14px}
.fa-log .q{font-weight:600;margin:.6em 0 .2em}
.fa-form{display:flex;gap:6px;padding:10px;border-top:1px solid #e3ebe7}
.fa-form input{flex:1;font-size:16px;padding:8px;border:1px solid #b9cbc3;border-radius:8px}
.fa-form button,.drw-form button{background:#2f6b5a;color:#fff;border:0;border-radius:8px;padding:8px 14px;font-weight:600;cursor:pointer}
.fa-fine,.drw-fine{font-size:12px;color:#5b6b65;padding:0 14px 8px;margin:0}
.ans-src{font-size:13px;margin:.3em 0}.ans-by{font-size:12px;color:#5b6b65;font-style:italic;margin:.2em 0 .8em}
.drw{display:flex;gap:20px;align-items:flex-start;margin:2.5em 0;padding:20px;background:#f4f8fb;border:2px solid #9fb9d0;border-radius:16px}
.drw img{border-radius:50%;flex:none;border:4px solid #fff;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.drw-body{flex:1;min-width:0}.drw h1,.drw h2{margin:0 0 .3em;color:#1f4766}
.drw-form textarea{width:100%;box-sizing:border-box;font-size:16px;padding:8px;border:1px solid #9fb9d0;border-radius:8px;margin-bottom:8px}
.drw-form button{background:#1f4766}
.drw-out{margin-top:10px}
@media (max-width:600px){.drw{flex-direction:column;align-items:center;text-align:left}.drw img{width:120px;height:120px}}