/* ===========================================================
   赤橙智能顾问 · v2 客服挂件
   白底 / 黑字 / 品牌红 / 细线 / 方角，跟 v2 页面同一套排版语言
   =========================================================== */

.rc-root{
  --rc-red:#e00b16; --rc-red-deep:#b50811;
  --rc-ink:#111111; --rc-ink2:#555555; --rc-ink3:#8f8f8f;
  --rc-line:#e5e5e5; --rc-line2:#efefef; --rc-tint:#f4f4f2; --rc-paper:#ffffff;
  --rc-serif:"Noto Serif SC","Songti SC",serif;
  --rc-num:"Barlow Condensed",sans-serif;
  --rc-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;
  --rc-ease:cubic-bezier(.22,1,.36,1);
  font-family:var(--rc-sans);
  -webkit-font-smoothing:antialiased;
}
.rc-root *{box-sizing:border-box}

/* ---------------- 桌面右侧栏 ---------------- */
.rc-side{
  position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:9000;
  width:72px;display:flex;flex-direction:column;
  background:var(--rc-paper);border:1px solid var(--rc-line);border-right:0;
  border-top:2px solid var(--rc-red);
  box-shadow:0 18px 40px -34px rgba(0,0,0,.45);
  opacity:0;pointer-events:none;transition:opacity .35s var(--rc-ease);
}
.rc-side.is-on{opacity:1;pointer-events:auto}
.rc-side-ai{
  width:100%;padding:15px 6px 14px;border:0;border-bottom:1px solid var(--rc-line);
  background:var(--rc-paper);cursor:pointer;display:flex;flex-direction:column;
  align-items:center;gap:6px;color:var(--rc-ink2);font-family:inherit;
  transition:background .22s,color .22s;
}
.rc-side-ai:last-child{border-bottom:0}
.rc-side-ai:hover{background:var(--rc-tint);color:var(--rc-red)}
.rc-side-ai img{width:34px;height:34px;display:block;object-fit:contain}
.rc-side-ai svg{width:23px;height:23px;stroke:currentColor;fill:none;stroke-width:1.5}
.rc-side-ai em{font-style:normal;font-size:11px;line-height:1.4;letter-spacing:.02em;text-align:center}

/* ---------------- 移动圆钮 ---------------- */
.rc-fab{
  position:fixed;right:16px;bottom:18px;z-index:9000;
  width:52px;height:52px;border:1px solid var(--rc-red);border-radius:2px;
  background:var(--rc-red);color:#fff;cursor:pointer;
  display:none;align-items:center;justify-content:center;
  box-shadow:0 12px 28px -16px rgba(224,11,22,.55);
  transition:background .2s,transform .2s var(--rc-ease);
}
.rc-fab:hover{background:var(--rc-red-deep)}
.rc-fab:active{transform:translateY(1px)}
.rc-fab svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:1.8}
.rc-fab .rc-dot{
  position:absolute;top:5px;right:5px;width:7px;height:7px;border-radius:50%;
  background:#fff;border:2px solid var(--rc-red);display:none;
}
.rc-fab.has-dot .rc-dot{display:block}

/* ---------------- 对话面板 ---------------- */
.rc-panel{
  position:fixed;right:24px;bottom:24px;z-index:9100;
  width:410px;height:min(640px,calc(100vh - 48px));
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--rc-paper);border:1px solid var(--rc-ink);
  border-top:2px solid var(--rc-red);
  box-shadow:0 30px 70px -34px rgba(0,0,0,.45);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .28s var(--rc-ease),transform .28s var(--rc-ease);
}
.rc-panel.is-open{opacity:1;transform:none;pointer-events:auto}

.rc-head{
  flex:none;display:flex;align-items:center;gap:11px;
  padding:14px 16px;background:var(--rc-paper);border-bottom:1px solid var(--rc-line);
}
.rc-head img{width:33px;height:33px;flex:none;object-fit:contain}
.rc-head-t{flex:1;min-width:0}
.rc-head-t b{display:block;font-family:var(--rc-serif);font-size:15.5px;font-weight:700;color:var(--rc-ink);letter-spacing:.02em}
.rc-head-t i{
  display:flex;align-items:center;gap:5px;font-style:normal;
  font-size:10.5px;color:var(--rc-ink3);margin-top:3px;letter-spacing:.02em;
}
.rc-head-t i::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--rc-red)}
.rc-x{
  flex:none;width:30px;height:30px;border:1px solid var(--rc-line);background:var(--rc-paper);
  color:var(--rc-ink3);cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:color .2s,border-color .2s;
}
.rc-x:hover{color:var(--rc-ink);border-color:var(--rc-ink)}

.rc-msgs{
  flex:1;overflow-y:auto;overscroll-behavior:contain;
  padding:18px 16px 8px;display:flex;flex-direction:column;gap:14px;
  scrollbar-width:thin;scrollbar-color:#cfcfcf transparent;
}
.rc-msgs::-webkit-scrollbar{width:5px}
.rc-msgs::-webkit-scrollbar-thumb{background:#cfcfcf}

.rc-m{display:flex;gap:9px;max-width:100%;animation:rcIn .3s var(--rc-ease) both}
@keyframes rcIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.rc-m .rc-av{
  flex:none;width:24px;height:24px;background:var(--rc-tint);
  display:flex;align-items:center;justify-content:center;overflow:hidden;margin-top:2px;
}
.rc-m .rc-av img{width:100%;height:100%;object-fit:contain}
.rc-b{
  font-size:13px;line-height:1.85;padding:10px 13px;
  max-width:calc(100% - 42px);word-break:break-word;white-space:pre-wrap;
}
.rc-m.bot .rc-b{background:var(--rc-tint);border:1px solid var(--rc-line2);color:var(--rc-ink)}
.rc-m.me{flex-direction:row-reverse}
.rc-m.me .rc-b{background:var(--rc-ink);color:#fff}
.rc-m.me .rc-av{display:none}
.rc-m.bot .rc-b a{color:var(--rc-red);font-weight:600;text-decoration:none;border-bottom:1px solid var(--rc-red)}

.rc-typing{display:flex;gap:4px;padding:4px 1px}
.rc-typing i{width:5px;height:5px;border-radius:50%;background:var(--rc-ink3);opacity:.45;animation:rcBlink 1.1s infinite}
.rc-typing i:nth-child(2){animation-delay:.16s}
.rc-typing i:nth-child(3){animation-delay:.32s}
@keyframes rcBlink{0%,60%,100%{opacity:.25;transform:translateY(0)}30%{opacity:.8;transform:translateY(-2px)}}

/* 建议问题 */
.rc-sug{flex:none;padding:0 0 4px}
.rc-sug-tt{
  display:block;font-family:var(--rc-num);font-size:9.5px;letter-spacing:.18em;
  color:var(--rc-ink3);text-transform:uppercase;margin-bottom:7px;
}
.rc-sug-list{display:flex;flex-direction:column;border-top:1px solid var(--rc-line)}
.rc-sug button{
  display:block;width:100%;text-align:left;font-family:var(--rc-sans);font-size:12px;
  line-height:1.6;color:var(--rc-ink2);background:none;border:0;border-bottom:1px solid var(--rc-line2);
  padding:8px 0;cursor:pointer;transition:color .2s,padding-left .25s var(--rc-ease);
}
.rc-sug button:hover{color:var(--rc-red);padding-left:4px}

/* 输入 */
.rc-form{
  flex:none;display:flex;align-items:flex-end;gap:8px;
  padding:11px 16px 9px;background:var(--rc-paper);border-top:1px solid var(--rc-line);
}
.rc-ta{
  flex:1;min-height:40px;max-height:104px;resize:none;overflow-y:auto;
  font-family:var(--rc-sans);font-size:13px;line-height:1.6;color:var(--rc-ink);
  background:var(--rc-paper);border:1px solid var(--rc-line);border-radius:0;
  padding:9px 11px;outline:none;transition:border-color .2s;
}
.rc-ta::placeholder{color:#b3b3b3}
.rc-ta:focus{border-color:var(--rc-ink)}
.rc-send{
  flex:none;width:40px;height:40px;border:1px solid var(--rc-red);border-radius:0;
  background:var(--rc-red);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:background .2s,opacity .2s;
}
.rc-send:hover{background:var(--rc-red-deep)}
.rc-send:disabled{opacity:.35;cursor:not-allowed}
.rc-send svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2}

.rc-foot{
  flex:none;display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:0 16px 11px;background:var(--rc-paper);font-size:10px;color:var(--rc-ink3);
}
.rc-foot-links{display:flex;align-items:center;gap:12px;flex:none}
.rc-foot-links button,.rc-foot-links a{
  border:0;background:none;padding:0 0 2px;font-family:var(--rc-sans);font-size:10.5px;
  color:var(--rc-ink2);cursor:pointer;text-decoration:none;border-bottom:1px solid var(--rc-line);
}
.rc-foot-links button:hover,.rc-foot-links a:hover{color:var(--rc-red);border-color:var(--rc-red)}

/* ---------------- 二维码弹层 ---------------- */
.rc-qr{
  position:fixed;inset:0;z-index:9300;display:none;align-items:center;justify-content:center;
  padding:24px;background:rgba(10,10,10,.72);
}
.rc-qr.is-open{display:flex}
.rc-qr-box{
  width:min(316px,100%);background:var(--rc-paper);border:1px solid var(--rc-ink);
  border-top:2px solid var(--rc-red);padding:0 22px 18px;text-align:center;
  animation:rcPop .25s var(--rc-ease) both;
}
@keyframes rcPop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.rc-qr-tabs{display:flex;margin:0 -22px 18px;border-bottom:1px solid var(--rc-line)}
.rc-qr-tab{
  flex:1;border:0;border-right:1px solid var(--rc-line);background:var(--rc-paper);
  padding:12px 0;font-family:var(--rc-num);font-size:11px;letter-spacing:.14em;color:var(--rc-ink3);
  cursor:pointer;position:relative;
}
.rc-qr-tab:last-child{border-right:0}
.rc-qr-tab.on{color:var(--rc-ink)}
.rc-qr-tab.on::after{content:"";position:absolute;left:18px;right:18px;bottom:-1px;height:2px;background:var(--rc-red)}
.rc-qr-box img{width:208px;height:208px;display:block;margin:0 auto 12px;object-fit:contain;background:#fff;border:1px solid var(--rc-line2)}
.rc-qr-box b{display:block;font-family:var(--rc-serif);font-size:16px;font-weight:700;color:var(--rc-ink);line-height:1.5}
.rc-qr-box span{display:block;margin-top:5px;font-size:11.5px;line-height:1.75;color:var(--rc-ink3)}
.rc-qr-close{
  margin-top:16px;width:100%;padding:9px 0;border:1px solid var(--rc-line);background:var(--rc-paper);
  font-family:var(--rc-sans);font-size:12px;color:var(--rc-ink2);cursor:pointer;
  transition:border-color .2s,color .2s;
}
.rc-qr-close:hover{border-color:var(--rc-ink);color:var(--rc-ink)}

/* ---------------- 电话卡 ---------------- */
.rc-tel{
  position:fixed;right:84px;top:50%;z-index:9200;width:270px;
  background:var(--rc-paper);border:1px solid var(--rc-ink);border-top:2px solid var(--rc-red);
  box-shadow:0 28px 64px -42px rgba(0,0,0,.55);
  opacity:0;pointer-events:none;transform:translateX(6px);
  transition:opacity .22s var(--rc-ease),transform .22s var(--rc-ease);
}
.rc-tel.is-open{opacity:1;pointer-events:auto;transform:none}
.rc-tel::after{content:"";position:absolute;right:-11px;top:50%;width:10px;height:1px;background:var(--rc-ink)}
.rc-tel-head{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-bottom:1px solid var(--rc-line);
  font-family:var(--rc-num);font-size:9.5px;letter-spacing:.16em;color:var(--rc-ink3);text-transform:uppercase;
}
.rc-tel-x{
  flex:none;width:22px;height:22px;padding:0;border:1px solid var(--rc-line);background:var(--rc-paper);
  color:var(--rc-ink3);cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:color .2s,border-color .2s;
}
.rc-tel-x:hover{color:var(--rc-ink);border-color:var(--rc-ink)}
.rc-tel-x svg{width:12px;height:12px}
.rc-tel-body{padding:2px 14px 10px}
.rc-tel-item{position:relative;padding:13px 0;border-bottom:1px solid var(--rc-line2)}
.rc-tel-item:last-child{border-bottom:0}
.rc-tel-item b{
  display:block;font-family:var(--rc-num);font-size:26px;font-weight:600;
  line-height:1.15;letter-spacing:.03em;color:var(--rc-ink);
}
.rc-tel-item span{display:block;margin-top:4px;font-size:10px;line-height:1.5;color:var(--rc-ink3)}
.rc-tel-copy{
  position:absolute;right:0;bottom:13px;padding:4px 8px;
  border:1px solid var(--rc-line);background:var(--rc-paper);
  font-family:var(--rc-sans);font-size:10px;color:var(--rc-ink2);cursor:pointer;
  transition:color .2s,border-color .2s;
}
.rc-tel-copy:hover{border-color:var(--rc-ink);color:var(--rc-ink)}
.rc-tel-copy.is-done{border-color:var(--rc-red);color:var(--rc-red)}

/* ---------------- 响应式 ---------------- */
@media (max-width:860px){
  .rc-side{display:none}
  .rc-tel{display:none}
  .rc-fab{display:flex}
  .rc-panel{
    right:0;left:0;bottom:0;width:100%;height:88vh;max-height:88vh;
    border-left:0;border-right:0;border-bottom:0;
    transform:translateY(100%);
  }
  .rc-panel.is-open{transform:none}
  .rc-msgs{padding-top:16px}
  .rc-qr-box{width:min(340px,100%)}
}
@media (min-width:861px){
  .rc-fab{display:none}
}
@media (prefers-reduced-motion:reduce){
  .rc-panel,.rc-m,.rc-side,.rc-fab,.rc-qr-box,.rc-tel{transition:none;animation:none}
}