/* ==========================================================
   官网 AI 在线客服 · 浮窗
   ========================================================== */
.ai-bot{--ai-navy:#0d2b4b;--ai-deep:#091d34;--ai-gold:#c79a3b;--ai-sky:#2e90fa;
  position:fixed;z-index:1600;right:22px;bottom:210px;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}

/* ---------- 唤起按钮 ---------- */
.ai-fab{position:relative;display:flex;align-items:center;gap:8px;border:0;cursor:pointer;
  padding:0;width:52px;height:52px;border-radius:50%;
  background:linear-gradient(135deg,#123b66,#0d2b4b 60%,#091d34);
  background:var(--orange);
  color:#fff;box-shadow:0 10px 28px rgba(9,29,52,.34),0 2px 6px rgba(9,29,52,.2);
  transition:width .22s ease,border-radius .22s ease,transform .2s ease,box-shadow .2s ease;
  justify-content:center;overflow:hidden}
.ai-fab:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(9,29,52,.42),0 0 0 4px rgba(199,154,59,.16)}
.ai-fab-ic{display:flex;flex:none;align-items:center;justify-content:center;width:52px;height:52px}
.ai-fab-txt{white-space:nowrap;font-size:14px;font-weight:600;letter-spacing:1px;opacity:0;
  max-width:0;transition:opacity .2s,max-width .2s}
@media (hover:hover){
  .ai-fab:hover{width:auto;border-radius:29px;padding-right:20px;justify-content:flex-start}
  .ai-fab:hover .ai-fab-txt{opacity:1;max-width:110px}
}
.ai-fab-dot{position:absolute;top:10px;right:11px;width:10px;height:10px;border-radius:50%;
  background:#ff4d4f;box-shadow:0 0 0 2px #0d2b4b}
.ai-fab-dot::after{content:"";position:absolute;inset:-4px;border-radius:50%;
  border:2px solid rgba(255,77,79,.5);animation:aiPulse 1.8s infinite}
@keyframes aiPulse{0%{transform:scale(.7);opacity:.9}100%{transform:scale(1.5);opacity:0}}
.ai-bot[data-state="open"] .ai-fab{display:none}

/* ---------- 面板 ---------- */
.ai-panel{position:absolute;right:0;bottom:-180px;width:390px;height:min(640px,calc(100vh - 48px));
  background:#fff;border-radius:18px;overflow:hidden;display:flex;flex-direction:column;
  box-shadow:0 24px 70px rgba(9,29,52,.32),0 4px 14px rgba(9,29,52,.14);
  border:1px solid rgba(13,43,75,.06);
  transform:translateY(12px) scale(.98);opacity:0;transition:transform .24s cubic-bezier(.2,.8,.3,1),opacity .2s}
.ai-panel[hidden]{display:none}
.ai-bot[data-state="open"] .ai-panel{transform:none;opacity:1}

/* 头部 */
.ai-head{display:flex;align-items:center;gap:11px;padding:14px 16px;
  background:linear-gradient(120deg,#123b66,#0d2b4b 55%,#091d34);color:#fff;flex:none}
.ai-ava{position:relative;width:42px;height:42px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,#c79a3b,#a87f28);display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;letter-spacing:0;box-shadow:0 0 0 2px rgba(255,255,255,.14)}
.ai-ava img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.ai-online{position:absolute;right:-1px;bottom:-1px;width:11px;height:11px;border-radius:50%;
  background:#22c55e;border:2px solid #0d2b4b}
.ai-id{flex:1;min-width:0}
.ai-id b{display:flex;align-items:center;gap:6px;font-size:15px;font-weight:700;line-height:1.3}
.ai-id b em{font-style:normal;font-size:10px;font-weight:600;padding:1px 5px;border-radius:4px;
  background:rgba(199,154,59,.9);color:#2b1d00;letter-spacing:.5px}
.ai-id span{display:block;font-size:11.5px;color:#a9c1d8;margin-top:2px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ai-head-ops{display:flex;gap:4px}
.ai-ico{width:28px;height:28px;border-radius:8px;border:0;background:rgba(255,255,255,.1);
  color:#dbe8f4;font-size:15px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}
.ai-ico:hover{background:rgba(255,255,255,.2)}

.ai-ticker{flex:none;display:flex;align-items:center;gap:7px;padding:7px 16px;font-size:11.5px;
  color:#7b5a12;background:linear-gradient(90deg,#fdf6e6,#fffaf0);border-bottom:1px solid #f3e8cf}
.ai-ticker i{width:5px;height:5px;border-radius:50%;background:#c79a3b;flex:none}

/* 消息区 */
.ai-body{flex:1;min-height:0;overflow-y:auto;background:#f6f9fc;padding:14px 14px 4px;
  scroll-behavior:smooth;overscroll-behavior:contain}
.ai-msgs{display:flex;flex-direction:column;gap:12px}
.ai-m{display:flex;gap:8px;max-width:100%}
.ai-m .ai-m-ava{width:28px;height:28px;border-radius:50%;flex:none;background:#0d2b4b;color:#fff;
  font-size:11px;display:flex;align-items:center;justify-content:center;align-self:flex-start;margin-top:2px}
.ai-m-b{position:relative;max-width:calc(100% - 40px);padding:10px 13px;border-radius:4px 13px 13px 13px;
  background:#fff;color:#22303d;font-size:14px;line-height:1.72;white-space:pre-wrap;
  word-break:break-word;box-shadow:0 1px 3px rgba(13,43,75,.08);border:1px solid #e8eff6}
.ai-m.is-user{flex-direction:row-reverse}
.ai-m.is-user .ai-m-b{border-radius:13px 4px 13px 13px;
  background:linear-gradient(135deg,#123b66,#0d2b4b);color:#fff;border-color:transparent;
  box-shadow:0 2px 8px rgba(13,43,75,.2)}
.ai-m.is-user .ai-m-ava{background:#c79a3b}
.ai-m.is-sys{justify-content:center}
.ai-m.is-sys .ai-m-b{background:rgba(46,144,250,.08);color:#2c6ea8;font-size:12px;
  border-radius:20px;padding:5px 12px;box-shadow:none;border:1px solid rgba(46,144,250,.16);max-width:88%}
.ai-time{text-align:center;font-size:11px;color:#a7b6c4;margin:2px 0 0}
.ai-m-b a{color:#2e90fa}

/* 输入中动画 */
.ai-typing{display:inline-flex;gap:4px;padding:4px 2px;align-items:center}
.ai-typing i{width:6px;height:6px;border-radius:50%;background:#b9c8d6;animation:aiBounce 1.2s infinite}
.ai-typing i:nth-child(2){animation-delay:.16s}
.ai-typing i:nth-child(3){animation-delay:.32s}
@keyframes aiBounce{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}
.ai-cursor::after{content:"▍";color:#c79a3b;animation:aiBlink .9s steps(1) infinite}
@keyframes aiBlink{50%{opacity:0}}

/* 快捷问题 */
.ai-quick{display:flex;flex-wrap:wrap;gap:7px;padding:12px 2px 6px}
.ai-quick button{border:1px solid #cfe0f0;background:#fff;color:#21527d;font-size:12.5px;
  padding:7px 11px;border-radius:20px;cursor:pointer;transition:.16s;line-height:1.2;text-align:left}
.ai-quick button:hover{background:#0d2b4b;color:#fff;border-color:#0d2b4b;transform:translateY(-1px)}

/* 留资卡片 */
.ai-lead{margin:6px 0 12px;background:#fff;border:1px solid #e2eaf2;border-radius:12px;
  box-shadow:0 6px 20px rgba(13,43,75,.08);overflow:hidden}
.ai-lead[hidden]{display:none}
.ai-lead-hd{display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 12px;background:linear-gradient(90deg,#fdf6e6,#fffdf8);border-bottom:1px solid #f3e8cf}
.ai-lead-hd b{font-size:13px;color:#7b5a12}
.ai-lead-x{border:0;background:none;color:#b08a2f;font-size:17px;line-height:1;cursor:pointer;padding:0 2px}
.ai-lead-bd{padding:11px 12px 12px}
.ai-lead-row{display:flex;gap:7px;margin-bottom:7px}
.ai-lead input,.ai-lead select{width:100%;box-sizing:border-box;padding:9px 10px;border:1px solid #d7e0ea;
  border-radius:8px;font-size:13.5px;background:#fff;color:#22303d;outline:none;font-family:inherit}
.ai-lead input:focus,.ai-lead select:focus{border-color:#c79a3b;box-shadow:0 0 0 3px rgba(199,154,59,.12)}
.ai-lead select{color:#5f7080;margin-bottom:8px}
.ai-lead-btn{width:100%;padding:10px;border:0;border-radius:9px;cursor:pointer;font-size:14px;font-weight:600;
  color:#fff;background:linear-gradient(135deg,#c79a3b,#a87f28);box-shadow:0 4px 12px rgba(199,154,59,.3)}
.ai-lead-btn:hover{filter:brightness(1.05)}
.ai-lead-tip{margin:7px 0 0;font-size:11px;color:#9aabbb;text-align:center;line-height:1.5}

/* 输入区 */
.ai-inputwrap{flex:none;border-top:1px solid #e8eff6;background:#fff;padding:8px 12px 9px}
.ai-tools{display:flex;gap:6px;margin-bottom:7px;flex-wrap:wrap}
.ai-tool{display:inline-flex;align-items:center;gap:4px;border:1px solid #e2eaf2;background:#f8fbfe;
  color:#3c5b76;font-size:11.5px;padding:4px 9px;border-radius:14px;cursor:pointer;transition:.15s}
.ai-tool:hover{background:#0d2b4b;color:#fff;border-color:#0d2b4b}
.ai-tool i{font-style:normal;font-size:11px}
.ai-inputbox{display:flex;align-items:flex-end;gap:7px;background:#f4f8fc;border:1px solid #e2eaf2;
  border-radius:12px;padding:6px 6px 6px 12px;transition:.15s}
.ai-inputbox:focus-within{border-color:#c79a3b;background:#fff;box-shadow:0 0 0 3px rgba(199,154,59,.1)}
.ai-inputbox textarea{flex:1;border:0;background:none;resize:none;outline:none;font-size:14px;
  line-height:1.55;max-height:92px;min-height:24px;padding:3px 0;color:#22303d;font-family:inherit}
.ai-inputbox textarea::placeholder{color:#a7b6c4}
.ai-send{width:34px;height:34px;flex:none;border:0;border-radius:9px;cursor:pointer;color:#fff;
  background:linear-gradient(135deg,#123b66,#0d2b4b);display:flex;align-items:center;justify-content:center;
  transition:.18s}
.ai-send:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(13,43,75,.28)}
.ai-send[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.ai-foot{text-align:center;font-size:10.5px;color:#a7b6c4;margin-top:6px}

/* 企微二维码 */
.ai-qr{position:absolute;inset:0;background:rgba(9,29,52,.55);display:flex;align-items:center;
  justify-content:center;padding:20px;backdrop-filter:blur(2px);z-index:3}
.ai-qr[hidden]{display:none}
.ai-qr-box{background:#fff;border-radius:14px;padding:20px;text-align:center;width:100%;max-width:270px;
  box-shadow:0 20px 50px rgba(0,0,0,.3)}
.ai-qr-box b{display:block;font-size:14.5px;color:#0d2b4b;margin-bottom:12px}
.ai-qr-box img{width:180px;height:180px;object-fit:contain;display:block;margin:0 auto 10px;
  border:1px solid #eef3f8;border-radius:8px;background:#fff}
.ai-qr-none{font-size:13px;color:#5f7080;margin:8px 0 12px;line-height:1.7}
.ai-qr-link{display:inline-block;font-size:12.5px;color:#2e90fa;margin-bottom:10px;word-break:break-all}
.ai-qr-x{width:100%;padding:9px;border:0;border-radius:9px;background:#f0f4f8;color:#4a6178;
  font-size:13px;cursor:pointer}

/* ---------- 移动端：全屏面板 ---------- */
@media (max-width:768px){
  .ai-bot{right:14px;bottom:74px}
  .ai-fab{width:52px;height:52px;box-shadow:0 8px 22px rgba(9,29,52,.34)}
  .ai-fab-ic{width:52px;height:52px}
  .ai-fab-ic svg{width:22px;height:22px}
  .ai-panel{position:fixed;inset:0;width:100%;height:100%;height:100dvh;border-radius:0;
    max-height:none;transform:translateY(100%);opacity:1}
  .ai-bot[data-state="open"] .ai-panel{transform:none}
  .ai-head{padding:12px 14px;padding-top:calc(12px + env(safe-area-inset-top,0px))}
  .ai-inputwrap{padding-bottom:calc(9px + env(safe-area-inset-bottom,0px))}
  .ai-inputbox textarea,.ai-lead input,.ai-lead select{font-size:16px} /* iOS 不放大 */
  .ai-body{padding:12px 12px 2px}
  .ai-m-b{font-size:14.5px}
}
@media (max-width:380px){
  .ai-quick button{font-size:12px;padding:6px 9px}
}
@media (prefers-reduced-motion:reduce){
  .ai-fab,.ai-panel,.ai-quick button{transition:none}
  .ai-fab-dot::after{animation:none}
}

/* 移动端全屏时锁背景滚动 */
@media (max-width:768px){
  html.ai-lock,html.ai-lock body{overflow:hidden;height:100%}
}