/* 洪老师私人助理 在线对话客服浮窗（公共样式，可复用） */
.kefu-float-btn{position:fixed;right:24px;bottom:100px;width:64px;height:36px;border-radius:18px;font-size:14px;font-weight:600;background:linear-gradient(135deg,#e94560,#c23152);box-shadow:0 4px 16px rgba(233,69,96,.4);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:9999;transition:transform .2s,box-shadow .2s}
.kefu-float-btn:hover{transform:scale(1.08);box-shadow:0 6px 24px rgba(233,69,96,.5)}
.kefu-panel{position:fixed;right:24px;bottom:168px;width:340px;background:#fff;border-radius:16px;box-shadow:0 8px 40px rgba(0,0,0,.15);z-index:9998;overflow:hidden;animation:kefuSlideUp .25s ease}
@keyframes kefuSlideUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.kefu-header{background:linear-gradient(135deg,#1a1a2e,#16213e);color:#fff;padding:14px 18px;display:flex;justify-content:space-between;align-items:center;font-size:15px;font-weight:600}
.kefu-close{background:none;border:none;color:#fff;font-size:22px;cursor:pointer;opacity:.7;line-height:1;padding:0}
.kefu-close:hover{opacity:1}
.kefu-body{padding:20px}
.kefu-hint{font-size:13px;color:#888;margin-bottom:16px;text-align:center;line-height:1.6}
.kefu-chat-box{display:flex;flex-direction:column;gap:10px;max-height:280px;overflow-y:auto;padding:4px 2px;margin-bottom:12px}
.kefu-chat-msg{max-width:85%;padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.6;word-break:break-word;text-align:left}
.kefu-chat-user{align-self:flex-end;background:linear-gradient(135deg,#e94560,#c23152);color:#fff;border-bottom-right-radius:4px}
.kefu-chat-ai{align-self:flex-start;background:#f0f7ff;color:#333;border:1px solid #e3eefb;border-bottom-left-radius:4px}
.kefu-input-row{display:flex;gap:8px}
.kefu-input-row input{flex:1;padding:10px 14px;border:1px solid #ddd;border-radius:8px;font-size:14px;outline:none;transition:border .2s;box-sizing:border-box}
.kefu-input-row input:focus{border-color:#e94560}
.kefu-send-btn{width:auto;padding:10px 18px;flex-shrink:0;background:linear-gradient(135deg,#e94560,#c23152);color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:opacity .2s}
.kefu-send-btn:hover{opacity:.9}
.kefu-send-btn:disabled{opacity:.5;cursor:not-allowed}
.kefu-tip{font-size:12px;color:#999;text-align:center;margin-top:12px;line-height:1.6}
.kefu-wechat{text-align:center;margin-top:14px;padding-top:14px;border-top:1px dashed #eee}
.kefu-wechat img{width:140px;height:140px;border-radius:8px;margin-bottom:6px}
.kefu-wechat p{font-size:12px;color:#888;margin:0}