/* ================= 贪婪 · Vue3 前端通用组件样式 ================= */
.tan-kefu{position:fixed;bottom:20px;right:20px;z-index:9999;}
.tan-kefu-btn{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#6366f1,#8b5cf6);box-shadow:0 4px 20px rgba(99,102,241,.4);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s;position:relative;}
.tan-kefu-btn:hover{transform:scale(1.1);box-shadow:0 6px 25px rgba(99,102,241,.5);}
.tan-kefu-btn svg{width:28px;height:28px;fill:#fff;}
.tan-kefu-badge{position:absolute;top:-2px;right:-2px;min-width:20px;height:20px;padding:0 5px;background:#ef4444;color:#fff;border-radius:10px;font-size:11px;display:flex;align-items:center;justify-content:center;border:2px solid #fff;box-sizing:content-box;}
.tan-kefu-panel{position:absolute;bottom:70px;right:0;width:360px;height:480px;background:#fff;border-radius:16px;box-shadow:0 10px 40px rgba(0,0,0,.15);display:none;flex-direction:column;overflow:hidden;}
.tan-kefu-panel.open{display:flex;animation:tanKefuSlide .3s ease;}
@keyframes tanKefuSlide{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}
.tan-kefu-header{padding:12px 16px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;display:flex;align-items:center;gap:10px;}
.tan-kefu-header img{width:36px;height:36px;border-radius:50%;border:2px solid rgba(255,255,255,.3);object-fit:cover;}
.tan-kefu-header .kefu-title{flex:1;}
.tan-kefu-header .kefu-title p{margin:0;font-size:14px;font-weight:600;}
.tan-kefu-header .kefu-title span{font-size:11px;opacity:.8;}
.tan-kefu-header .kefu-close{cursor:pointer;font-size:20px;opacity:.7;}
.tan-kefu-header .kefu-close:hover{opacity:1;}
.tan-kefu-msgs{flex:1;overflow-y:auto;padding:12px;background:#f5f5f5;}
.tan-kefu-msgs .msg-in{display:flex;margin-bottom:10px;}
.tan-kefu-msgs .msg-in .bubble{background:#fff;color:#333;padding:8px 14px;border-radius:4px 14px 14px 14px;max-width:75%;font-size:13px;line-height:1.5;box-shadow:0 1px 3px rgba(0,0,0,.08);word-break:break-word;white-space:pre-wrap;}
.tan-kefu-msgs .msg-out{display:flex;justify-content:flex-end;margin-bottom:10px;}
.tan-kefu-msgs .msg-out .bubble{background:#6366f1;color:#fff;padding:8px 14px;border-radius:14px 4px 14px 14px;max-width:75%;font-size:13px;line-height:1.5;word-break:break-word;white-space:pre-wrap;}
.tan-kefu-msgs .msg-time{font-size:10px;color:#999;margin-top:2px;}
.tan-kefu-msgs .msg-in .msg-time{text-align:left;}
.tan-kefu-msgs .msg-out .msg-time{text-align:right;}
.tan-kefu-msgs .kefu-welcome{text-align:center;color:#999;font-size:12px;margin:10px 0;}
.tan-kefu-input{padding:10px 12px;background:#fff;border-top:1px solid #eee;display:flex;gap:8px;}
.tan-kefu-input input{flex:1;padding:8px 14px;border:1px solid #ddd;border-radius:20px;font-size:13px;outline:none;}
.tan-kefu-input input:focus{border-color:#6366f1;}
.tan-kefu-input button{width:40px;height:40px;border-radius:50%;background:#6366f1;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.tan-kefu-input button:hover{background:#4f46e5;}
.tan-kefu-input button svg{width:18px;height:18px;fill:#fff;}
@media (max-width:480px){
  .tan-kefu-panel{width:calc(100vw - 40px);height:70vh;}
}

/* ================= 添加到主屏幕 ================= */
.tan-install{position:fixed;left:50%;transform:translateX(-50%);bottom:22px;z-index:9998;display:flex;align-items:center;gap:10px;
  background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;padding:10px 16px;border-radius:999px;
  box-shadow:0 8px 30px rgba(0,0,0,.28);font-size:13px;cursor:pointer;border:1px solid rgba(255,255,255,.12);}
.tan-install:hover{box-shadow:0 10px 36px rgba(0,0,0,.36);}
.tan-install button{background:#6366f1;color:#fff;border:none;border-radius:999px;padding:6px 14px;font-size:12px;cursor:pointer;}
.tan-install-close{opacity:.6;font-size:16px;line-height:1;padding:0 2px;}
.tan-ios-tip{position:fixed;left:50%;transform:translateX(-50%);bottom:22px;z-index:9999;max-width:330px;
  background:rgba(15,23,42,.96);color:#fff;padding:12px 16px;border-radius:14px;font-size:13px;line-height:1.6;box-shadow:0 8px 30px rgba(0,0,0,.3);}
@media (max-width:480px){ .tan-install{bottom:86px;} }