/* 66AI 悬浮客服套件 (AI 机器人长框 + 微信二维码) */
.fw-root { font-family: inherit; }

/* 关键修复: display:flex 会覆盖 HTML hidden 属性, 必须强制隐藏 */
.fw-chat[hidden], .fw-qr-card[hidden] { display: none !important; }

/* ---- 悬浮按钮 ---- */
.fw-btns {
  position: fixed; right: 18px; bottom: 18px; z-index: 9998;
  display: flex; flex-direction: column; gap: 12px;
}
.fw-btn {
  width: 54px; height: 54px; border-radius: 50%; border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  background: #fff; color: #1aad19;
  box-shadow: 0 4px 16px rgba(20, 40, 90, .18);
  transition: transform .15s, box-shadow .15s;
}
.fw-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(20, 40, 90, .25); }
.fw-btn.chat { background: var(--blue, #4e6ef2); color: #fff; }
.fw-btn.chat:hover { background: var(--blue-dark, #3c5ae0); }

/* ---- AI 对话机器人长框 ---- */
.fw-chat {
  position: fixed; right: 18px; bottom: 88px; z-index: 9999;
  width: 384px; max-width: calc(100vw - 24px); height: 560px;
  max-height: calc(100vh - 120px);
  background: var(--card, #fff); border: 1px solid var(--line, #e4e9f2);
  border-radius: 16px; box-shadow: 0 12px 40px rgba(20, 40, 90, .22);
  display: flex; flex-direction: column; overflow: hidden;
  animation: fw-in .18s ease-out;
}
@keyframes fw-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.fw-head {
  display: flex; align-items: center; gap: 8px; padding: 12px 16px;
  background: linear-gradient(135deg, var(--blue, #4e6ef2), #6a83f5);
  color: #fff; flex-shrink: 0;
}
.fw-dot { width: 8px; height: 8px; border-radius: 50%; background: #3be08a; box-shadow: 0 0 6px #3be08a; }
.fw-title { font-size: 15px; }
.fw-status { font-size: 11.5px; opacity: .85; }
.fw-close {
  margin-left: auto; border: 0; background: rgba(255, 255, 255, .18); color: #fff;
  width: 26px; height: 26px; border-radius: 8px; cursor: pointer; font-size: 13px;
}
.fw-close:hover { background: rgba(255, 255, 255, .3); }

.fw-msgs { flex: 1; overflow-y: auto; padding: 14px 14px 8px; background: var(--bg-soft, #f5f7fb); }
.fw-msg { display: flex; margin-bottom: 10px; }
.fw-msg.user { justify-content: flex-end; }
.fw-bubble {
  max-width: 82%; padding: 9px 13px; border-radius: 14px; font-size: 13.5px;
  line-height: 1.65; word-break: break-word; overflow-wrap: anywhere;
}
.fw-msg.ai .fw-bubble { background: #fff; border: 1px solid var(--line, #e4e9f2); border-bottom-left-radius: 4px; }
.fw-msg.user .fw-bubble { background: var(--blue, #4e6ef2); color: #fff; border-bottom-right-radius: 4px; }
.fw-msg.user .fw-bubble.md p, .fw-msg.user .fw-bubble { margin: 0; }
.fw-msg .md p { margin: 0 0 6px; } .fw-msg .md p:last-child { margin: 0; }
.fw-msg .md pre { margin: 6px 0; padding: 8px; border-radius: 8px; font-size: 12px; overflow-x: auto; }
.fw-msg .md img { max-width: 240px; border-radius: 10px; display: block; margin: 6px 0; border: 1px solid var(--line, #e4e9f2); }
.fw-msg .md table { border-collapse: collapse; margin: 6px 0; }
.fw-msg .md th, .fw-msg .md td { border: 1px solid var(--line, #e4e9f2); padding: 3px 8px; font-size: 12px; }

.fw-msg .fw-typing { display: inline-flex; gap: 4px; padding: 4px 2px; }
.fw-msg .fw-typing i {
  width: 6px; height: 6px; border-radius: 50%; background: #b9c3d8;
  animation: fw-blink 1.2s infinite;
}
.fw-msg .fw-typing i:nth-child(2) { animation-delay: .2s; }
.fw-msg .fw-typing i:nth-child(3) { animation-delay: .4s; }
@keyframes fw-blink { 0%, 60%, 100% { opacity: .3; } 30% { opacity: 1; } }

/* 打字光标 (流式蹦字时) */
.fw-msg .fw-cursor::after { content: '▍'; color: var(--blue, #4e6ef2); animation: fw-cursor .8s infinite; }
@keyframes fw-cursor { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.fw-input-row { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--line, #e4e9f2); background: var(--card, #fff); flex-shrink: 0; }
.fw-input-row input {
  flex: 1; border: 1.5px solid var(--line, #e4e9f2); border-radius: 10px;
  padding: 9px 12px; font-size: 13.5px; outline: 0;
}
.fw-input-row input:focus { border-color: var(--blue, #4e6ef2); }
.fw-input-row button {
  border: 0; background: var(--blue, #4e6ef2); color: #fff; border-radius: 10px;
  padding: 0 16px; font-size: 13.5px; cursor: pointer;
}
.fw-input-row button:hover { background: var(--blue-dark, #3c5ae0); }
.fw-input-row button:disabled { background: #c3cbe8; cursor: not-allowed; }
.fw-tip { text-align: center; font-size: 10.5px; color: var(--ink-3, #98a2b3); margin: 0; padding: 0 0 8px; background: var(--card, #fff); flex-shrink: 0; }

/* ---- 微信二维码卡片 ---- */
.fw-qr-card {
  position: fixed; right: 84px; bottom: 18px; z-index: 9999;
  width: 208px; background: var(--card, #fff); border: 1px solid var(--line, #e4e9f2);
  border-radius: 14px; box-shadow: 0 12px 36px rgba(20, 40, 90, .2);
  padding: 12px; text-align: center; animation: fw-in .18s ease-out;
}
.fw-qr-card img { width: 100%; border-radius: 8px; display: block; background: #f0f2f7; }
.fw-qr-empty { padding: 26px 0; color: var(--ink-3, #98a2b3); font-size: 12.5px; }
.fw-qr-card p { margin: 8px 0 0; font-size: 12.5px; color: var(--ink-2, #5a6478); }

/* ---- 移动端 ---- */
@media (max-width: 640px) {
  .fw-chat { right: 12px; left: 12px; width: auto; bottom: 84px; height: 68vh; }
  .fw-btns { right: 12px; bottom: 12px; }
  .fw-btn { width: 48px; height: 48px; }
  .fw-qr-card { right: 12px; bottom: 74px; }
}