#rp-chat-btn{position:fixed;right:20px;bottom:20px;z-index:9999;width:60px;height:60px;border-radius:50%;border:2px solid #cc0000;background:#111;color:#fff;cursor:pointer;box-shadow:0 6px 24px rgba(204,0,0,.35);display:flex;align-items:center;justify-content:center;transition:transform .2s}
#rp-chat-btn:hover{transform:scale(1.07);background:#cc0000}
#rp-chat-btn svg{width:28px;height:28px}
#rp-chat{position:fixed;right:20px;bottom:92px;z-index:9999;width:370px;max-width:calc(100vw - 24px);height:560px;max-height:calc(100vh - 120px);background:#0d0d0d;border:1px solid #2a2a2a;border-top:3px solid #cc0000;border-radius:12px;display:none;flex-direction:column;overflow:hidden;font-family:'Inter',-apple-system,sans-serif;box-shadow:0 12px 40px rgba(0,0,0,.6)}
#rp-chat.open{display:flex}
.rp-head{display:flex;align-items:center;gap:10px;padding:12px 14px;background:linear-gradient(135deg,#1a1a1a,#2b2b2b);border-bottom:1px solid #333}
.rp-head img{height:26px}
.rp-head .t{flex:1;color:#fff;font-size:13px;line-height:1.2}.rp-head .t small{display:block;color:#999;font-size:11px}
.rp-head button{background:none;border:0;color:#999;font-size:22px;cursor:pointer}
.rp-msgs{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px}
.rp-m{max-width:85%;padding:9px 12px;border-radius:12px;font-size:14px;line-height:1.45;white-space:pre-wrap;word-wrap:break-word}
.rp-m.bot{background:#1f1f1f;color:#e6e6e6;border:1px solid #2e2e2e;align-self:flex-start;border-bottom-left-radius:3px}
.rp-m.user{background:#cc0000;color:#fff;align-self:flex-end;border-bottom-right-radius:3px}
.rp-m.typing{color:#888;font-style:italic}
.rp-form{display:flex;gap:8px;padding:10px;border-top:1px solid #2a2a2a;background:#111}
.rp-form textarea{flex:1;resize:none;height:42px;max-height:100px;background:#1a1a1a;color:#fff;border:1px solid #333;border-radius:8px;padding:10px;font:14px 'Inter',sans-serif}
.rp-form textarea:focus{outline:none;border-color:#cc0000}
.rp-form button{background:#cc0000;color:#fff;border:0;border-radius:8px;padding:0 16px;font-weight:600;cursor:pointer}
.rp-form button:disabled{opacity:.5}
.rp-foot{font-size:10.5px;color:#777;text-align:center;padding:0 10px 8px;background:#111}
@media(max-width:520px){#rp-chat{right:0;bottom:0;width:100vw;max-width:100vw;height:100%;max-height:100%;border-radius:0}#rp-chat.open~#rp-chat-btn{display:none}}