/* 在线客服页（Scube Chat SDK 接入）
 * KiKi 风格：空状态大头像 + 欢迎语 + 快捷问题卡片；AI 流式 + 一键转人工。
 * 整个 .kefu-shell 为可迁移的客服组件；迁移到 index 只需搬运该结构 + kefu.js + 本文件样式。
 */

.kefu-page { position: relative; }

/* 客服页隐藏全站右侧悬浮工具条：本页本身就是在线客服，右侧「在线咨询 / 企业微信 / 二维码」
   属于重复入口，还会遮挡聊天窗口。:has() 命中现代浏览器（无闪烁），html.kefu-no-floatbar
   由 kefu.js 兜底极老浏览器。 */
body:has(.kefu-page) .float-bar,
body:has(.kefu-page) .qr-pop,
html.kefu-no-floatbar .float-bar,
html.kefu-no-floatbar .qr-pop { display: none !important; }

.kefu-stage {
  position: relative;
  padding: 28px 16px 56px;
  display: flex;
  justify-content: center;
}

.kefu-glow {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(760px 420px at 20% -8%, rgba(var(--cc-brand-rgb), .18), transparent 62%),
    radial-gradient(680px 380px at 88% 4%, rgba(14, 165, 233, .10), transparent 60%);
}

/* ===== 主体外壳 ===== */
.kefu-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 900px;
  height: min(80vh, 860px);
  min-height: 560px;
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--cc-brand-border);
  border-radius: 26px;
  box-shadow: 0 24px 60px rgba(15, 95, 71, .14), 0 2px 8px rgba(15, 95, 71, .06);
  overflow: hidden;
}

/* 拖拽文件到窗口时的投放提示 */
.kefu-shell.kefu-dragover { outline: 2px dashed var(--cc-brand); outline-offset: -8px; }
.kefu-shell.kefu-dragover::after {
  content: "松开发送文件";
  position: absolute;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  background: rgba(var(--cc-brand-rgb), .1);
  color: var(--cc-brand-strong);
  font-weight: 700;
  font-size: 15px;
  pointer-events: none;
}

/* ===== 顶栏 ===== */
.kefu-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--cc-border);
  background: linear-gradient(180deg, rgba(var(--cc-brand-rgb), .08), rgba(255, 255, 255, 0));
}

.kefu-agent { display: flex; align-items: center; gap: 12px; min-width: 0; }

.kefu-topbar-actions { display: inline-flex; align-items: center; gap: 8px; flex: none; }

.kefu-agent-avatar {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: visible;
  flex: none;
}
.kefu-agent-avatar img {
  width: 44px; height: 44px; border-radius: 50%; object-fit: cover;
  background: #fff;
  border: 2px solid #fff;
  box-shadow: 0 3px 10px rgba(15, 95, 71, .18);
}
.kefu-agent-online {
  position: absolute; right: -1px; bottom: -1px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--cc-brand); border: 2px solid #fff;
}

.kefu-agent-meta { min-width: 0; }
.kefu-agent-name {
  font-weight: 700; color: var(--cc-text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.kefu-agent-status {
  display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--cc-muted);
  white-space: nowrap; overflow: hidden;
}
.kefu-agent-status span:last-child { overflow: hidden; text-overflow: ellipsis; }

.kefu-state-dot { width: 7px; height: 7px; border-radius: 50%; background: #cbd5e1; }
.kefu-state-dot.open { background: var(--cc-brand); }
.kefu-state-dot.connecting,
.kefu-state-dot.reconnecting { background: var(--cc-warning); animation: kefu-pulse 1s infinite; }
.kefu-state-dot.closed { background: var(--cc-danger); }
@keyframes kefu-pulse { 50% { opacity: .35; } }

.kefu-transfer-btn {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--cc-brand-strong);
  background: var(--cc-surface);
  border: 1px solid var(--cc-brand-border);
  border-radius: 999px;
  padding: 7px 14px;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, box-shadow .18s ease;
}
.kefu-transfer-btn svg { width: 16px; height: 16px; }
.kefu-transfer-btn:hover { background: var(--cc-brand); color: #fff; border-color: var(--cc-brand); box-shadow: 0 6px 16px rgba(var(--cc-brand-rgb), .28); }

/* ===== 顶部警示横幅（断线 / 连接异常） ===== */
.kefu-alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: rgba(220, 38, 38, .08);
  border-bottom: 1px solid rgba(220, 38, 38, .2);
  color: var(--cc-danger);
  font-size: 13px;
  animation: kefu-rise .3s ease both;
}
.kefu-alert-ico { flex: none; width: 17px; height: 17px; }
.kefu-alert-text { flex: 1; min-width: 0; line-height: 1.45; }
.kefu-alert-action {
  flex: none;
  padding: 5px 12px;
  border: 1px solid var(--cc-danger);
  border-radius: 999px;
  background: var(--cc-danger);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity .16s ease;
}
.kefu-alert-action:hover { opacity: .9; }
.kefu-alert-close {
  flex: none;
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border: none; border-radius: 50%;
  background: transparent;
  color: var(--cc-danger);
  font-size: 17px; line-height: 1;
  cursor: pointer;
}
.kefu-alert-close:hover { background: rgba(220, 38, 38, .12); }

/* ===== 消息滚动区 ===== */
/* body 作为 list 的定位父级，承载"回到底部"悬浮按钮，不受输入区高度变化影响 */
.kefu-body { position: relative; flex: 1; min-height: 0; display: flex; flex-direction: column; }
.kefu-body > .kefu-list { flex: 1; }

/* 回到最新消息悬浮按钮（仅在上翻历史 / 有新消息时出现） */
.kefu-jump {
  position: absolute;
  right: 16px;
  bottom: 14px;
  z-index: 5;
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: 1px solid var(--cc-brand-border);
  border-radius: 50%;
  background: rgba(255, 255, 255, .95);
  color: var(--cc-brand-strong);
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(15, 95, 71, .16);
  animation: kefu-rise .18s ease both;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}
.kefu-jump:hover { transform: translateY(-2px); background: #fff; box-shadow: 0 10px 24px rgba(15, 95, 71, .22); }
.kefu-jump svg { width: 20px; height: 20px; }
.kefu-jump-badge {
  position: absolute;
  top: -5px; right: -5px;
  min-width: 18px; height: 18px;
  padding: 0 5px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px;
  background: var(--cc-danger);
  color: #fff;
  font-size: 11px; font-weight: 700; line-height: 1;
  box-shadow: 0 0 0 2px #fff;
}

.kefu-list {
  flex: 1;
  overflow-y: auto;
  padding: 22px 20px 8px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  scroll-behavior: smooth;
  /* 滚到顶/底后不把滚动继续传给整个网页（阻断 scroll chaining） */
  overscroll-behavior: contain;
}
.kefu-list--empty { justify-content: center; align-items: center; gap: 0; }

/* ===== 聊天窗口专属滚动条（绿白品牌 · 细窄悬浮胶囊，兼容 Firefox/WebKit） ===== */
.kefu-list,
.kefu-textarea {
  scrollbar-width: thin;
  scrollbar-color: rgba(var(--cc-brand-rgb), .4) transparent;
}
.kefu-list::-webkit-scrollbar,
.kefu-textarea::-webkit-scrollbar { width: 10px; height: 10px; }
.kefu-list::-webkit-scrollbar-track,
.kefu-textarea::-webkit-scrollbar-track {
  background: transparent;
  margin: 6px 0;
}
.kefu-list::-webkit-scrollbar-thumb,
.kefu-textarea::-webkit-scrollbar-thumb {
  border-radius: 999px;
  /* 3px 透明边 + padding-box：视觉上是约 4px 的悬浮胶囊，不贴边 */
  border: 3px solid transparent;
  background-clip: padding-box;
  background-color: rgba(var(--cc-brand-rgb), .34);
  transition: background-color .18s ease;
}
/* 悬停在滚动区域时整体加深，提示可滚动 */
.kefu-list:hover::-webkit-scrollbar-thumb,
.kefu-textarea:hover::-webkit-scrollbar-thumb { background-color: rgba(var(--cc-brand-rgb), .5); }
/* 悬停/拖动滚动条本身时进一步加深 */
.kefu-list::-webkit-scrollbar-thumb:hover,
.kefu-textarea::-webkit-scrollbar-thumb:hover { background-color: rgba(var(--cc-brand-rgb), .7); }
.kefu-list::-webkit-scrollbar-thumb:active,
.kefu-textarea::-webkit-scrollbar-thumb:active { background-color: var(--cc-brand); }
.kefu-list::-webkit-scrollbar-corner,
.kefu-textarea::-webkit-scrollbar-corner { background: transparent; }

/* ===== 接入 loading ===== */
.kefu-loading {
  margin: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--cc-muted);
  font-size: 13px;
}
.kefu-spinner {
  width: 30px; height: 30px; border-radius: 50%;
  border: 3px solid var(--cc-brand-border);
  border-top-color: var(--cc-brand);
  animation: kefu-spin .8s linear infinite;
}
@keyframes kefu-spin { to { transform: rotate(360deg); } }

/* ===== 空状态欢迎区 ===== */
.kefu-welcome {
  width: 100%;
  max-width: 560px;
  margin: auto;
  text-align: center;
  animation: kefu-rise .5s ease both;
}
@keyframes kefu-rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.kefu-welcome-avatar {
  width: 84px; height: 84px; margin: 0 auto 16px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, #fff, var(--cc-brand-soft));
  box-shadow: 0 12px 30px rgba(var(--cc-brand-rgb), .25);
  position: relative;
}
.kefu-welcome-avatar::after {
  content: ""; position: absolute; inset: -6px; border-radius: 50%;
  border: 1px solid var(--cc-brand-border); opacity: .6;
  animation: kefu-halo 2.6s ease-in-out infinite;
}
@keyframes kefu-halo { 0%, 100% { transform: scale(1); opacity: .55; } 50% { transform: scale(1.06); opacity: .2; } }
.kefu-welcome-avatar img { width: 76px; height: 76px; border-radius: 50%; object-fit: cover; }

.kefu-welcome-title { font-size: clamp(20px, 3vw, 26px); font-weight: 800; letter-spacing: -.01em; margin: 0 0 8px; color: var(--cc-text); }
.kefu-welcome-sub { margin: 0 auto 22px; max-width: 460px; color: var(--cc-muted); font-size: 14px; line-height: 1.65; }

.kefu-suggest { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; text-align: left; }
@media (max-width: 560px) { .kefu-suggest { grid-template-columns: 1fr; } }

.kefu-sug {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 13px 14px;
  background: var(--cc-surface);
  border: 1px solid var(--cc-border);
  border-radius: 14px;
  cursor: pointer;
  text-align: left;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.kefu-sug:hover { transform: translateY(-2px); border-color: var(--cc-brand-border); box-shadow: 0 10px 24px rgba(15, 95, 71, .12); }
.kefu-sug--human { grid-column: 1 / -1; background: var(--cc-brand-bg); border-color: var(--cc-brand-border); }

.kefu-sug-ico { flex: none; width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; }
.kefu-sug-ico svg { width: 18px; height: 18px; }
.kefu-sug-ico--brand { background: var(--cc-brand-soft); color: var(--cc-brand-strong); }
.kefu-sug-ico--amber { background: #fef3c7; color: #b45309; }
.kefu-sug-ico--sky { background: #e0f2fe; color: #0369a1; }
.kefu-sug-ico--human { background: var(--cc-brand); color: #fff; }

.kefu-sug-tx { flex: 1; font-size: 13.5px; font-weight: 500; color: var(--cc-text); line-height: 1.4; }
.kefu-sug-arrow { flex: none; width: 16px; height: 16px; color: var(--cc-muted); transition: transform .16s ease, color .16s ease; }
.kefu-sug:hover .kefu-sug-arrow { transform: translateX(3px); color: var(--cc-brand); }

/* ===== 消息气泡 ===== */
.kefu-row { display: flex; gap: 9px; max-width: 84%; animation: kefu-in .26s ease both; }
@keyframes kefu-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.kefu-row.visitor { align-self: flex-end; flex-direction: row-reverse; }
.kefu-row.agent, .kefu-row.ai { align-self: flex-start; }
.kefu-row.system { align-self: center; max-width: 92%; }

.kefu-ava {
  flex: none; width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center; overflow: hidden;
  font-size: 12px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--cc-brand), var(--cc-brand-strong));
  align-self: flex-start;
}
.kefu-ava img { width: 100%; height: 100%; object-fit: cover; }
.kefu-row.ai .kefu-ava { background: linear-gradient(135deg, #38bdf8, #0ea5e9); }
.kefu-row.agent .kefu-ava, .kefu-row.ai .kefu-ava { margin-top: 17px; }
.kefu-row.system .kefu-ava, .kefu-row.visitor .kefu-ava { display: none; }

.kefu-col { display: flex; flex-direction: column; min-width: 0; }
.kefu-row.visitor .kefu-col { align-items: flex-end; }

.kefu-bubble {
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.6;
  word-break: break-word;
  white-space: pre-wrap;
}
.kefu-row.visitor .kefu-bubble {
  background: linear-gradient(135deg, var(--cc-brand), var(--cc-brand-strong));
  color: #fff; border-bottom-right-radius: 5px;
  box-shadow: 0 4px 14px rgba(var(--cc-brand-rgb), .28);
}
.kefu-row.agent .kefu-bubble {
  background: var(--cc-surface); color: var(--cc-text);
  border: 1px solid var(--cc-border); border-bottom-left-radius: 5px;
  box-shadow: 0 2px 10px rgba(15, 95, 71, .05);
}
.kefu-row.ai .kefu-bubble {
  background: #f0f9ff; color: var(--cc-text);
  border: 1px solid #d6ecfb; border-bottom-left-radius: 5px;
}
/* AI「正在思考」占位气泡：发送后立即出现，首个流式 chunk 到达即切回正文 */
.kefu-bubble.kefu-bubble--thinking {
  display: inline-flex; align-items: center;
  min-height: 22px; padding: 12px 16px;
}
.kefu-bubble.kefu-bubble--thinking .kefu-typing-dots i { width: 6px; height: 6px; }
/* 流式输出闪烁光标（打字机效果，done 时移除） */
.kefu-caret {
  display: inline-block;
  width: 2px; height: 1.05em;
  margin-left: 2px;
  vertical-align: -2px;
  background: var(--cc-brand);
  border-radius: 1px;
  animation: kefu-caret-blink 1s step-end infinite;
}
@keyframes kefu-caret-blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
.kefu-row.system { align-items: center; }
.kefu-row.system .kefu-bubble {
  background: rgba(15, 95, 71, .05); color: var(--cc-muted);
  font-size: 12px; padding: 5px 12px; border-radius: 999px;
}
.kefu-bubble.kefu-bubble--file,
.kefu-row.visitor .kefu-bubble.kefu-bubble--file,
.kefu-row.agent .kefu-bubble.kefu-bubble--file,
.kefu-row.ai .kefu-bubble.kefu-bubble--file {
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  color: var(--cc-text);
  white-space: normal;
}
.kefu-bubble.recalled { opacity: .6; font-style: italic; }
.kefu-bubble a { color: var(--cc-brand-strong); text-decoration: underline; word-break: break-all; }
.kefu-row.visitor .kefu-bubble a { color: #fff; }

/* ===== AI / 客服回复 Markdown ===== */
.kefu-md { white-space: normal; display: block; }
.kefu-md p { margin: 0 0 6px; }
.kefu-md p:last-child { margin-bottom: 0; }
.kefu-md ul, .kefu-md ol { margin: 4px 0; padding-left: 20px; }
.kefu-md li { margin: 2px 0; }
.kefu-md-h { font-weight: 700; margin: 4px 0 2px; }
.kefu-code {
  padding: 1px 5px;
  border-radius: 5px;
  background: rgba(15, 95, 71, .08);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .92em;
}
.kefu-pre {
  margin: 6px 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: #0f172a;
  color: #e2e8f0;
  overflow-x: auto;
}
.kefu-pre code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12.5px;
  white-space: pre;
  background: none;
  padding: 0;
}

.kefu-bubble img.kefu-att-img { max-width: 220px; max-height: 220px; border-radius: 10px; display: block; cursor: zoom-in; }
.kefu-bubble img.kefu-att-img:focus-visible {
  outline: 3px solid rgba(var(--cc-brand-rgb), .35);
  outline-offset: 3px;
}
.kefu-file-card {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  width: min(320px, calc(100vw - 96px));
  padding: 10px 12px;
  border: 1px solid rgba(var(--cc-brand-rgb), .18);
  border-radius: 16px;
  background: linear-gradient(180deg, #ffffff, #f8fffc);
  color: var(--cc-text) !important;
  text-decoration: none !important;
  box-shadow: 0 10px 24px rgba(15, 95, 71, .09);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.kefu-file-card:hover {
  transform: translateY(-1px);
  border-color: rgba(var(--cc-brand-rgb), .35);
  box-shadow: 0 14px 30px rgba(15, 95, 71, .14);
}
.kefu-file-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: rgba(var(--cc-brand-rgb), .11);
  color: var(--cc-brand-strong);
}
.kefu-file-ico svg { width: 23px; height: 23px; }
.kefu-file-main { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.kefu-file-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 700;
  line-height: 1.35;
}
.kefu-file-size { font-size: 12px; color: var(--cc-muted); line-height: 1.3; }
.kefu-file-action {
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(var(--cc-brand-rgb), .1);
  color: var(--cc-brand-strong);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

body.kefu-lightbox-open { overflow: hidden; }
.kefu-lightbox[hidden] { display: none !important; }
.kefu-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 23, 42, .78);
  backdrop-filter: blur(10px);
}
.kefu-lightbox-panel {
  width: min(1080px, 100%);
  max-height: min(820px, calc(100vh - 48px));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 22px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 28px 80px rgba(2, 6, 23, .36);
}
.kefu-lightbox-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px 12px 18px;
  border-bottom: 1px solid rgba(226, 232, 240, .9);
}
.kefu-lightbox-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 700;
  color: var(--cc-text);
}
.kefu-lightbox-actions { display: inline-flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.kefu-lightbox-open,
.kefu-lightbox-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 34px;
  border-radius: 999px;
  font-weight: 700;
}
.kefu-lightbox-open {
  padding: 0 12px;
  background: rgba(var(--cc-brand-rgb), .1);
  color: var(--cc-brand-strong);
  font-size: 13px;
  text-decoration: none;
}
.kefu-lightbox-close {
  width: 34px;
  border: 0;
  background: var(--cc-brand);
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.kefu-lightbox-body {
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background:
    linear-gradient(45deg, rgba(15, 95, 71, .04) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(15, 95, 71, .04) 25%, transparent 25%),
    #f8fafc;
  background-size: 22px 22px;
}
.kefu-lightbox-body img {
  max-width: 100%;
  max-height: calc(100vh - 150px);
  display: block;
  object-fit: contain;
  border-radius: 14px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, .2);
}

@media (max-width: 640px) {
  .kefu-lightbox { padding: 12px; }
  .kefu-lightbox-panel { max-height: calc(100vh - 24px); border-radius: 18px; }
  .kefu-lightbox-head { padding: 10px 10px 10px 14px; }
  .kefu-lightbox-open { display: none; }
  .kefu-lightbox-body { padding: 10px; }
  .kefu-lightbox-body img { max-height: calc(100vh - 112px); }
}
.kefu-reply-quote {
  border-left: 3px solid rgba(var(--cc-brand-rgb), .5);
  padding-left: 8px; margin-bottom: 5px; font-size: 12px; opacity: .8;
}
.kefu-row.visitor .kefu-reply-quote { border-left-color: rgba(255, 255, 255, .6); }

.kefu-name { font-size: 11px; color: var(--cc-muted); margin: 0 2px 4px; line-height: 1.2; }
.kefu-name:empty { display: none; }

.kefu-meta { font-size: 11px; color: var(--cc-muted); margin-top: 4px; padding: 0 2px; }
.kefu-meta:empty { display: none; }
.kefu-meta .pending { color: var(--cc-warning); }
.kefu-meta .failed { color: var(--cc-danger); }
.kefu-meta .sent { color: var(--cc-brand); }
.kefu-meta .read { color: var(--cc-muted); }
.kefu-meta .kefu-resend {
  margin-left: 8px;
  padding: 0 4px;
  border: none;
  background: transparent;
  color: var(--cc-brand-strong);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: underline;
}
.kefu-meta .kefu-resend:hover { color: var(--cc-brand); }
.kefu-meta .kefu-time { color: var(--cc-muted); }
.kefu-meta .kefu-time + span,
.kefu-meta .kefu-time + .kefu-resend { margin-left: 6px; }

/* ===== 日期分隔线 ===== */
.kefu-daysep {
  align-self: center;
  margin: 2px 0;
  font-size: 11px;
  color: var(--cc-muted);
}
.kefu-daysep span {
  padding: 3px 12px;
  border-radius: 999px;
  background: rgba(15, 95, 71, .06);
}

/* ===== 未读分隔线（回到页面时提示新消息） ===== */
.kefu-unreadsep {
  align-self: center;
  margin: 4px 0;
  font-size: 11px;
  font-weight: 600;
  color: var(--cc-brand-strong);
}
.kefu-unreadsep span {
  padding: 3px 14px;
  border-radius: 999px;
  background: var(--cc-brand-bg);
  border: 1px solid var(--cc-brand-border);
}

/* ===== 结束会话按钮（顶栏） ===== */
.kefu-end-btn {
  flex: none;
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--cc-muted);
  background: var(--cc-surface);
  border: 1px solid var(--cc-border);
  border-radius: 999px;
  padding: 7px 12px;
  cursor: pointer;
  transition: color .18s ease, background .18s ease, border-color .18s ease;
}
.kefu-end-btn:hover { color: var(--cc-danger); border-color: rgba(220, 38, 38, .4); background: rgba(220, 38, 38, .06); }
.kefu-end-btn:disabled { opacity: .55; cursor: not-allowed; }

/* ===== 会话结束后「重新发起」条 ===== */
.kefu-restart {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 10px 16px 6px;
  padding: 14px;
  background: var(--cc-surface);
  border: 1px dashed var(--cc-border);
  border-radius: 16px;
  font-size: 13px;
  color: var(--cc-muted);
}
.kefu-restart-btn {
  padding: 8px 18px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cc-brand), var(--cc-brand-strong));
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(var(--cc-brand-rgb), .3);
  transition: opacity .18s ease, transform .18s ease;
}
.kefu-restart-btn:hover { opacity: .94; transform: translateY(-1px); }

/* ===== 表情选择器（糖糕云绿白风格 · 纵向滚动网格，无横向拖动） ===== */
.kefu-emoji-panel {
  position: fixed;
  z-index: 10000;
  width: min(340px, calc(100vw - 24px));
  background: var(--cc-surface);
  border: 1px solid var(--cc-brand-border);
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(15, 95, 71, .18), 0 2px 8px rgba(15, 95, 71, .08);
  animation: kefu-rise .16s ease both;
}
.kefu-emoji-head {
  padding: 9px 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--cc-brand-strong);
  border-bottom: 1px solid var(--cc-brand-border);
  background: linear-gradient(180deg, var(--cc-brand-bg), transparent);
  border-radius: 16px 16px 0 0;
}
.kefu-emoji-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr)); /* minmax(0,…) 允许列收缩，避免宽表情撑出横向溢出 */
  gap: 2px;
  padding: 8px;
  max-height: 216px;
  overflow-y: auto;
  overflow-x: hidden; /* 杜绝横向滚动/拖动 */
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(var(--cc-brand-rgb), .4) transparent;
}
.kefu-emoji-grid::-webkit-scrollbar { width: 8px; }
.kefu-emoji-grid::-webkit-scrollbar-track { background: transparent; margin: 4px 0; }
.kefu-emoji-grid::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  background-clip: padding-box;
  border-radius: 999px;
  background-color: rgba(var(--cc-brand-rgb), .34);
}
.kefu-emoji-grid:hover::-webkit-scrollbar-thumb { background-color: rgba(var(--cc-brand-rgb), .5); }
@media (max-width: 640px) {
  .kefu-emoji-grid { grid-template-columns: repeat(7, minmax(0, 1fr)); }
}
.kefu-emoji {
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  border: none;
  background: transparent;
  font-size: 21px;
  line-height: 1;
  border-radius: 10px;
  cursor: pointer;
  transition: background .14s ease, transform .1s ease;
}
.kefu-emoji:hover { background: var(--cc-brand-bg); transform: scale(1.14); }
.kefu-emoji:active { transform: scale(.95); }

/* 指向表情按钮的小箭头（方向由 JS 的 is-up / is-down 决定） */
.kefu-emoji-panel::after {
  content: "";
  position: absolute;
  left: var(--arrow-x, 20px);
  margin-left: -6px;
  width: 12px;
  height: 12px;
  background: var(--cc-surface);
  border: 1px solid var(--cc-brand-border);
  transform: rotate(45deg);
}
.kefu-emoji-panel.is-up::after { bottom: -7px; border-top: none; border-left: none; }
.kefu-emoji-panel.is-down::after {
  top: -7px; border-bottom: none; border-right: none;
  background: var(--cc-brand-bg); /* 对齐顶部标题栏底色 */
}

/* ===== 欢迎页广告卡片 ===== */
.kefu-ad {
  position: relative;
  margin-top: 18px;
  text-align: left;
  background: var(--cc-surface);
  border: 1px solid var(--cc-brand-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 22px rgba(var(--cc-brand-rgb), .1);
}
.kefu-ad-img { display: block; width: 100%; max-height: 140px; object-fit: cover; }
.kefu-ad-body { padding: 12px 14px; }
.kefu-ad-title { font-weight: 700; color: var(--cc-text); margin-bottom: 4px; }
.kefu-ad-text { font-size: 13px; line-height: 1.55; color: var(--cc-muted); }
.kefu-ad-btn {
  display: inline-flex;
  margin-top: 10px;
  padding: 7px 16px;
  border-radius: 999px;
  background: var(--cc-brand);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}
.kefu-ad-btn:hover { background: var(--cc-brand-strong); }
.kefu-ad-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, .38);
  color: #fff;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
}
.kefu-ad-close:hover { background: rgba(0, 0, 0, .55); }

/* ===== 输入 & 状态 ===== */
/* hidden 属性优先于组件的 display，避免 typing/转人工/branding 无法隐藏 */
.kefu-typing[hidden],
.kefu-transfer-btn[hidden],
.kefu-end-btn[hidden],
.kefu-composer[hidden],
.kefu-restart[hidden],
.kefu-brand[hidden],
.kefu-notify-enable[hidden],
.kefu-reply-bar[hidden],
.kefu-alert[hidden],
.kefu-alert-action[hidden],
.kefu-jump[hidden],
.kefu-jump-badge[hidden],
.kefu-welcome[hidden] { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  .kefu-caret { animation: none; }
}

/* ===== 引用预览条（右键"引用"后出现在输入框上方） ===== */
.kefu-reply-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 6px 16px 0;
  padding: 8px 12px;
  border: 1px solid var(--cc-brand-border);
  border-radius: 12px;
  background: var(--cc-brand-bg);
  font-size: 12px;
  color: var(--cc-muted);
}
.kefu-reply-bar-ico { flex: none; width: 15px; height: 15px; color: var(--cc-brand-strong); }
.kefu-reply-bar-text {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--cc-text);
}
.kefu-reply-bar-close {
  flex: none;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--cc-muted);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
}
.kefu-reply-bar-close:hover { background: rgba(var(--cc-brand-rgb), .14); color: var(--cc-brand-strong); }

/* ===== 气泡右键菜单 ===== */
.kefu-ctxmenu {
  position: fixed;
  z-index: 10000;
  min-width: 116px;
  padding: 6px;
  background: #fff;
  border: 1px solid var(--cc-border);
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(15, 95, 71, .16), 0 2px 8px rgba(15, 95, 71, .08);
  animation: kefu-ctx-in .12s ease both;
}
@keyframes kefu-ctx-in { from { opacity: 0; transform: translateY(-4px) scale(.98); } to { opacity: 1; transform: none; } }
.kefu-ctxmenu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 12px;
  border: none;
  border-radius: 8px;
  background: transparent;
  font-size: 13px;
  font-weight: 600;
  color: var(--cc-text);
  text-align: left;
  cursor: pointer;
}
.kefu-ctxmenu-item:hover,
.kefu-ctxmenu-item:focus-visible { background: var(--cc-brand-bg); color: var(--cc-brand-strong); outline: none; }
.kefu-ctxmenu-item.danger { color: var(--cc-danger); }
.kefu-ctxmenu-item.danger:hover,
.kefu-ctxmenu-item.danger:focus-visible { background: rgba(220, 38, 38, .09); color: var(--cc-danger); }

/* ===== 轻提示 toast（复制成功 / 撤回失败等） ===== */
.kefu-toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%) translateY(10px);
  z-index: 10001;
  max-width: min(80vw, 320px);
  padding: 10px 16px;
  background: rgba(15, 23, 42, .92);
  color: #fff;
  font-size: 13px;
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(2, 6, 23, .28);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.kefu-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.kefu-typing {
  display: flex; align-items: center; gap: 6px;
  padding: 4px 22px 0; font-size: 12px; color: var(--cc-muted);
}
.kefu-typing-dots { display: inline-flex; gap: 3px; }
.kefu-typing-dots i { width: 5px; height: 5px; border-radius: 50%; background: var(--cc-brand); animation: kefu-typing 1.1s infinite ease-in-out; }
.kefu-typing-dots i:nth-child(2) { animation-delay: .16s; }
.kefu-typing-dots i:nth-child(3) { animation-delay: .32s; }
@keyframes kefu-typing { 0%, 60%, 100% { transform: translateY(0); opacity: .5; } 30% { transform: translateY(-4px); opacity: 1; } }

.kefu-composer {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin: 10px 16px 6px;
  padding: 8px 8px 8px 12px;
  background: var(--cc-surface);
  border: 1px solid var(--cc-border);
  border-radius: 18px;
  box-shadow: 0 4px 16px rgba(15, 95, 71, .06);
  transition: border-color .16s ease, box-shadow .16s ease;
}
.kefu-composer:focus-within { border-color: var(--cc-brand-border); box-shadow: 0 6px 20px rgba(var(--cc-brand-rgb), .14); }

/* 桌面端：工具按钮与输入行都用 display:contents 不产生盒子，
   三个图标 + 输入框 + 发送按钮仍在同一条 composer flex 行内，布局与原来一致。 */
.kefu-tools { display: contents; }
.kefu-input-row { display: contents; }
.kefu-tool-label { display: none; }

.kefu-icon-btn {
  flex: none; width: 34px; height: 34px;
  display: grid; place-items: center;
  border: none; border-radius: 10px;
  background: transparent; color: var(--cc-muted); cursor: pointer;
  transition: color .16s ease, background .16s ease;
}
.kefu-icon-btn svg { width: 19px; height: 19px; }
.kefu-icon-btn:hover { color: var(--cc-brand); background: var(--cc-brand-bg); }

.kefu-textarea {
  flex: 1; resize: none; max-height: 128px; min-height: 34px;
  padding: 7px 4px; font: inherit; font-size: 13px; line-height: 1.5;
  color: var(--cc-text); border: none; outline: none; background: transparent;
}
.kefu-textarea::placeholder { color: #9aa7b2; }

.kefu-send-btn {
  flex: none; width: 40px; height: 40px;
  display: grid; place-items: center;
  color: #fff; border: none; border-radius: 12px; cursor: pointer;
  background: linear-gradient(135deg, var(--cc-brand), var(--cc-brand-strong));
  transition: opacity .16s ease, transform .06s ease, box-shadow .16s ease;
  box-shadow: 0 6px 16px rgba(var(--cc-brand-rgb), .3);
}
.kefu-send-btn svg { width: 19px; height: 19px; }
.kefu-send-btn:hover:not(:disabled) { opacity: .94; }
.kefu-send-btn:active:not(:disabled) { transform: scale(.94); }
.kefu-send-btn:disabled { background: #cbd5e1; box-shadow: none; cursor: not-allowed; }

.kefu-foot {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 4px 16px 12px; font-size: 11px; color: #9aa7b2; text-align: center;
}
.kefu-brand { color: #9aa7b2; }
.kefu-notify-enable {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid rgba(var(--cc-brand-rgb), .2);
  border-radius: 999px;
  padding: 6px 12px;
  background: rgba(var(--cc-brand-rgb), .08);
  color: var(--cc-brand-strong);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background .18s ease, border-color .18s ease;
}
.kefu-notify-ico { flex: none; width: 15px; height: 15px; }
.kefu-notify-enable:hover { border-color: rgba(var(--cc-brand-rgb), .35); background: rgba(var(--cc-brand-rgb), .13); }
.kefu-notify-enable:disabled { cursor: not-allowed; opacity: .62; }
.kefu-notify-enable.is-on {
  border-color: rgba(var(--cc-brand-rgb), .28);
  background: rgba(var(--cc-brand-rgb), .12);
  color: var(--cc-brand-strong);
}
.kefu-notify-enable.is-off {
  border-color: var(--cc-border);
  background: var(--cc-surface);
  color: var(--cc-muted);
}
.kefu-brand:not([hidden]) ~ .kefu-foot-tip::before { content: "·"; margin-right: 8px; }

@media (max-width: 640px) {
  .kefu-stage { padding: 14px 10px 40px; }
  .kefu-shell { height: min(84vh, 760px); min-height: 480px; border-radius: 20px; }
  .kefu-row { max-width: 90%; }

  /* 顶栏收紧：客服名/状态占满剩余宽度并截断，动作按钮压缩，避免名称折行 */
  .kefu-topbar { padding: 10px 12px; gap: 8px; }
  .kefu-agent { flex: 1 1 auto; gap: 9px; }
  .kefu-agent-avatar,
  .kefu-agent-avatar img { width: 38px; height: 38px; }
  .kefu-agent-name { font-size: 14px; }
  .kefu-agent-status { font-size: 11px; }
  .kefu-topbar-actions { gap: 6px; }

  /* 「消息提醒」在窄屏改为纯图标圆钮，省出空间给客服名 */
  .kefu-notify-enable {
    width: 34px; height: 34px;
    padding: 0; gap: 0;
    justify-content: center;
    border-radius: 50%;
  }
  .kefu-notify-text { display: none; }
  .kefu-notify-ico { width: 17px; height: 17px; }

  /* 转人工 / 结束会话 保留文字但压缩内边距，保证语义清晰 */
  .kefu-transfer-btn { padding: 6px 10px; font-size: 12px; }
  .kefu-transfer-btn svg { width: 15px; height: 15px; }
  .kefu-end-btn { padding: 6px 10px; font-size: 12px; }

  /* 移动端：三个胶囊完全移出输入框，作为独立一行位于输入框上方。
     composer 变成无边框的纵向容器，边框/背景只留给下方的输入行。 */
  .kefu-composer {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 0;
    border: none;
    background: transparent;
    box-shadow: none;
  }
  .kefu-composer:focus-within { border: none; box-shadow: none; }

  .kefu-tools { display: flex; gap: 8px; }
  .kefu-tools .kefu-icon-btn {
    flex: 1;
    width: auto;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 10px;
    border: 1px solid var(--cc-brand-border);
    border-radius: 999px;
    background: var(--cc-brand-bg);
    color: var(--cc-brand-strong);
    font-size: 13px;
    font-weight: 600;
  }
  .kefu-tools .kefu-icon-btn svg { width: 17px; height: 17px; }
  .kefu-tools .kefu-icon-btn:active { background: rgba(var(--cc-brand-rgb), .16); }
  .kefu-tool-label { display: inline; }

  /* 输入行独立成带边框的输入框（原 composer 的外观转移到这里） */
  .kefu-input-row {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 8px 8px 8px 12px;
    border: 1px solid var(--cc-border);
    border-radius: 18px;
    background: var(--cc-surface);
    box-shadow: 0 4px 16px rgba(15, 95, 71, .06);
    transition: border-color .16s ease, box-shadow .16s ease;
  }
  .kefu-input-row:focus-within { border-color: var(--cc-brand-border); box-shadow: 0 6px 20px rgba(var(--cc-brand-rgb), .14); }
}

/* 超窄屏（小屏手机）：进一步压缩动作区，客服名靠截断兜底 */
@media (max-width: 380px) {
  .kefu-topbar { padding: 9px 10px; }
  .kefu-transfer-btn,
  .kefu-end-btn { padding: 6px 9px; }
}