/* LiveChat 客服悬浮窗 */
.lc-fab{position:fixed;right:18px;bottom:18px;z-index:1100;width:52px;height:52px;border:none;border-radius:50%;background:linear-gradient(135deg,var(--accent,#ff8a00),#ff5e00);color:#fff;font-size:22px;cursor:pointer;box-shadow:0 4px 16px rgba(255,94,0,.5);display:flex;align-items:center;justify-content:center;transition:transform .2s;}
.lc-fab:hover{transform:scale(1.1);}
.lc-fab .lc-badge{position:absolute;top:-4px;right:-4px;background:var(--vip,#ff2d6f);color:#fff;font-size:10px;width:18px;height:18px;border-radius:50%;display:none;align-items:center;justify-content:center;font-weight:700;}
.lc-win{position:fixed;right:18px;bottom:18px;z-index:1100;width:360px;max-width:calc(100vw-20px);height:480px;max-height:calc(100vh-20px);background:var(--bg2,#1a1a22);border:1px solid var(--line,#2a2a33);border-radius:14px;overflow:hidden;display:none;flex-direction:column;box-shadow:0 12px 40px rgba(0,0,0,.6);}
.lc-win.on{display:flex;}
.lc-hd{background:linear-gradient(135deg,var(--accent,#ff8a00),#ff5e00);color:#fff;padding:12px 16px;display:flex;justify-content:space-between;align-items:center;font-weight:700;font-size:14px;}
.lc-hd button{background:none;border:none;color:#fff;font-size:20px;cursor:pointer;line-height:1;}
.lc-body{flex:1;padding:12px;overflow-y:auto;background:var(--bg,#0d0d10);display:flex;flex-direction:column;gap:8px;}
.lc-body .lc-empty{text-align:center;color:var(--muted,#8888a0);padding:40px 20px;font-size:13px;}
.lc-msg{display:flex;flex-direction:column;max-width:85%;}
.lc-msg.mine{align-self:flex-end;align-items:flex-end;}
.lc-msg.admin{align-self:flex-start;align-items:flex-start;}
.lc-msg .bub{padding:9px 12px;border-radius:12px;font-size:13px;line-height:1.45;word-break:break-word;}
.lc-msg.mine .bub{background:linear-gradient(135deg,var(--accent,#ff8a00),#ff5e00);color:#fff;border-bottom-right-radius:3px;}
.lc-msg.admin .bub{background:var(--bg3,#22222a);color:var(--text,#ececf0);border-bottom-left-radius:3px;}
.lc-msg .time{font-size:10px;color:var(--muted,#8888a0);margin-top:2px;}
.lc-ft{display:flex;border-top:1px solid var(--line,#2a2a33);background:var(--bg2,#1a1a22);}
.lc-ft input{flex:1;border:none;background:transparent;color:var(--text,#ececf0);padding:11px 14px;outline:none;font-size:13px;}
.lc-ft button{border:none;background:var(--accent,#ff8a00);color:#fff;padding:0 16px;cursor:pointer;font-weight:600;font-size:13px;}
.lc-ft button:hover{opacity:.9;}