/* =========================================================
   带路集团官网 — 访客 AI 顾问悬浮组件
   品牌红 #E62129；置于左下，避开右下角「在线客服」(bottom:28px / z-index:99999)
   ========================================================= */

.dcai-bubble {
  position: fixed;
  left: 24px;
  bottom: 28px;
  z-index: 99990;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #E62129;
  color: #fff;
  padding: 12px 18px;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(230, 33, 41, .35);
  font-size: 15px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  user-select: none;
  transition: transform .15s ease;
}
.dcai-bubble:hover { transform: translateY(-2px); }
.dcai-bubble:focus { outline: 2px solid #fff; outline-offset: 2px; }
.dcai-bubble-ico { display: flex; align-items: center; }
/* 「路路」吉祥物头像（白底圆徽章，红气泡上对比清晰） */
.dcai-mascot {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #fff;
  border: 1.5px solid rgba(255, 255, 255, .9);
  display: block;
}

.dcai-bubble-tip {
  position: fixed;
  left: 24px;
  bottom: 78px;
  z-index: 99989;
  background: #fff;
  color: #1c2733;
  border: 1px solid #f0d7d9;
  border-radius: 10px;
  padding: 6px 10px;
  font-size: 12px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .08);
  animation: dcai-fade 2.4s ease-in-out infinite;
}
@keyframes dcai-fade { 0%, 100% { opacity: .55 } 50% { opacity: 1 } }

.dcai-panel {
  position: fixed;
  left: 24px;
  bottom: 84px;
  z-index: 99991;
  width: 360px;
  max-width: calc(100vw - 48px);
  height: 480px;
  max-height: calc(100vh - 140px);
  background: #fff;
  color: #1c2733;
  border-radius: 14px;
  box-shadow: 0 10px 34px rgba(230, 33, 41, .22);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  visibility: hidden;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.dcai-panel.is-open { visibility: visible; opacity: 1; transform: none; }

.dcai-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  background: #E62129;
  color: #fff;
}
.dcai-head-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid rgba(255, 255, 255, .85);
  flex: 0 0 auto;
  display: block;
}
.dcai-head-l { flex: 1; min-width: 0; }
.dcai-head-t { font-size: 15px; font-weight: 600; }
.dcai-head-s { font-size: 11px; opacity: .85; margin-top: 2px; }
.dcai-close {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  padding: 0 2px;
}

.dcai-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  background: #fafafa;
  display: flex;
  flex-direction: column;
}
.dcai-msg { display: flex; margin-bottom: 10px; }
.dcai-msg.is-me { justify-content: flex-end; }
.dcai-bubble-txt {
  max-width: 78%;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}
.is-ai .dcai-bubble-txt {
  background: #fff;
  color: #1c2733;
  border: 1px solid #ececec;
  border-top-left-radius: 4px;
}
.is-me .dcai-bubble-txt {
  background: #E62129;
  color: #fff;
  border-top-right-radius: 4px;
}
/* 流式输出中的打字光标 */
.dcai-bubble-txt.is-typing::after {
  content: '▋';
  margin-left: 2px;
  animation: dcai-blink 1s step-end infinite;
}
@keyframes dcai-blink { 0%, 100% { opacity: 1 } 50% { opacity: 0 } }

.dcai-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 12px;
  border-top: 1px solid #f0f0f0;
  background: #fff;
}
.dcai-chip {
  border: 1px solid #f2d4d6;
  background: #fff;
  color: #E62129;
  border-radius: 14px;
  padding: 5px 10px;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
}
.dcai-chip:hover { background: #fff5f5; }

.dcai-foot {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid #f0f0f0;
  background: #fff;
}
.dcai-input {
  flex: 1;
  resize: none;
  border: 1px solid #e3e3e3;
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 14px;
  font-family: inherit;
  max-height: 80px;
  line-height: 1.5;
}
.dcai-input:focus { outline: none; border-color: #E62129; }
.dcai-send {
  background: #E62129;
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 9px 14px;
  font-size: 14px;
  cursor: pointer;
  min-width: 56px;
  font-family: inherit;
}
.dcai-send:disabled { opacity: .6; cursor: default; }

.dcai-note {
  font-size: 11px;
  color: #9a9a9a;
  text-align: center;
  padding: 0 12px 10px;
  background: #fff;
}

@media (max-width: 600px) {
  .dcai-bubble { left: 14px; bottom: 16px; padding: 10px 14px; font-size: 14px; }
  .dcai-bubble-tip { left: 14px; bottom: 66px; }
  .dcai-panel {
    left: 14px;
    right: 14px;
    width: auto;
    max-width: none;
    bottom: 72px;
    height: 60vh;
  }
}