/* AI 智能客服 · 箭金学堂
   右下悬浮入口 + 对话面板；类名统一 ai- 前缀，避免与站点样式冲突 */

/* ---------- 悬浮入口按钮 ---------- */
.fabs .fab-btn.ai-fab{background:#fff;color:var(--gold-d,#AC8B4B);border:1px solid var(--line,#E6E9EE)}
.fabs .fab-btn.ai-fab:hover{background:var(--grad,linear-gradient(135deg,#C9A25E,#AC8B4B));color:#fff;border-color:transparent}
.ai-fab .ai-dot{position:absolute;top:-1px;right:-1px;width:12px;height:12px;border-radius:50%;
  background:#DA251D;border:2px solid #fff;box-shadow:0 2px 6px rgba(0,0,0,.2)}

/* ---------- 面板 ---------- */
.ai-panel{position:fixed;right:22px;bottom:88px;z-index:120;width:368px;max-width:calc(100vw - 28px);
  height:min(560px,72vh);background:#fff;border:1px solid var(--line,#E6E9EE);border-radius:16px;
  box-shadow:0 18px 48px rgba(20,22,26,.22);display:flex;flex-direction:column;overflow:hidden;
  font-size:14px;opacity:0;transform:translateY(10px) scale(.98);pointer-events:none;
  transition:opacity .2s,transform .2s}
.ai-panel.open{opacity:1;transform:none;pointer-events:auto}

.ai-head{flex:0 0 auto;display:flex;align-items:center;gap:10px;padding:14px 16px;color:#fff;
  background:var(--grad,linear-gradient(135deg,#C9A25E,#AC8B4B))}
.ai-head .ai-ava{width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.ai-head .ai-ava svg{width:19px;height:19px}
.ai-head .ai-t{font-size:15px;font-weight:700;line-height:1.3}
.ai-head .ai-s{font-size:12px;opacity:.9;margin-top:2px}
.ai-head .ai-x{margin-left:auto;width:30px;height:30px;border-radius:8px;border:0;cursor:pointer;
  background:rgba(255,255,255,.16);color:#fff;font-size:18px;line-height:1;display:flex;
  align-items:center;justify-content:center}
.ai-head .ai-x:hover{background:rgba(255,255,255,.3)}

.ai-body{flex:1 1 auto;overflow-y:auto;padding:16px;background:#F7F8FA;scroll-behavior:smooth}
.ai-msg{display:flex;gap:8px;margin-bottom:12px}
.ai-msg.me{flex-direction:row-reverse}
.ai-msg .ai-bub{max-width:82%;padding:10px 13px;border-radius:12px;line-height:1.65;white-space:pre-wrap;
  word-break:break-word}
.ai-msg.bot .ai-bub{background:#fff;border:1px solid var(--line,#E6E9EE);color:var(--ink,#202C45);
  border-top-left-radius:4px}
.ai-msg.me .ai-bub{background:var(--grad,linear-gradient(135deg,#C9A25E,#AC8B4B));color:#fff;
  border-top-right-radius:4px}
.ai-bub b{font-weight:700}
.ai-bub .ai-line{display:block;margin:2px 0}
.ai-bub .ai-card{display:block;margin:8px 0;padding:10px 12px;border:1px solid var(--line,#E6E9EE);
  border-radius:10px;background:#FCFCFD}
.ai-bub .ai-card .ai-ct{font-weight:700;color:var(--gold-d,#AC8B4B)}
.ai-bub .ai-card .ai-cd{color:var(--ink-3,#6B7280);font-size:13px;margin-top:3px}
.ai-bub a{color:var(--gold-d,#AC8B4B);text-decoration:none;border-bottom:1px dashed rgba(172,139,75,.5)}
.ai-bub a:hover{color:#8a6d33}
.ai-chips{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 2px}
.ai-chip{border:1px solid var(--line,#E6E9EE);background:#fff;border-radius:999px;padding:6px 12px;
  font-size:12.5px;color:var(--ink-2,#3A4356);cursor:pointer;transition:.15s}
.ai-chip:hover{border-color:var(--gold,#C9A25E);color:var(--gold-d,#AC8B4B);background:#FFFBF2}
.ai-src{margin-top:6px;font-size:11.5px;color:var(--ink-3,#9AA1AE)}
.ai-typing{display:inline-flex;gap:4px;align-items:center;height:18px}
.ai-typing i{width:6px;height:6px;border-radius:50%;background:rgba(172,139,75,.5);animation:aiBlink 1s infinite}
.ai-typing i:nth-child(2){animation-delay:.2s}
.ai-typing i:nth-child(3){animation-delay:.4s}
@keyframes aiBlink{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}

.ai-foot{flex:0 0 auto;display:flex;gap:8px;padding:12px;border-top:1px solid var(--line,#E6E9EE);background:#fff}
.ai-foot input{flex:1 1 auto;min-width:0;height:40px;padding:0 12px;border:1px solid var(--line,#E6E9EE);
  border-radius:10px;font-size:14px;outline:none;color:var(--ink,#202C45)}
.ai-foot input:focus{border-color:var(--gold,#C9A25E)}
.ai-foot button{flex:0 0 auto;height:40px;padding:0 16px;border:0;border-radius:10px;cursor:pointer;
  background:var(--grad,linear-gradient(135deg,#C9A25E,#AC8B4B));color:#fff;font-size:14px;font-weight:600}
.ai-foot button:disabled{opacity:.55;cursor:default}
.ai-note{padding:0 12px 10px;font-size:11.5px;color:var(--ink-3,#9AA1AE);text-align:center;background:#fff}

@media (max-width:640px){
  .ai-panel{right:8px;left:8px;bottom:76px;width:auto;max-width:none;height:min(70vh,520px)}
  .ai-msg .ai-bub{max-width:88%}
}