/* 宿迁三线 BGP 海外速率受限 — MTU 提示弹窗（全站，1 小时一次） */
#qyMtuMask{position:fixed;inset:0;z-index:2147483000;display:flex;align-items:center;justify-content:center;
  padding:16px;background:rgba(9,14,26,.55);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
  animation:qyMtuFade .22s ease-out;}
#qyMtuMask *{box-sizing:border-box;}
.qy-mtu-card{width:min(560px,100%);max-height:88vh;overflow:auto;background:#fff;border-radius:16px;
  box-shadow:0 24px 64px rgba(3,10,28,.32),0 2px 8px rgba(3,10,28,.12);
  animation:qyMtuPop .26s cubic-bezier(.2,.9,.3,1.2);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",
  "PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;}
.qy-mtu-hd{position:relative;padding:20px 52px 18px 20px;
  background:linear-gradient(135deg,#1b5cff 0%,#5b3df5 100%);color:#fff;}
.qy-mtu-hd h3{margin:0;font-size:17px;font-weight:700;line-height:1.45;letter-spacing:.2px;}
.qy-mtu-hd .qy-mtu-sub{margin-top:6px;font-size:12.5px;opacity:.86;line-height:1.5;}
.qy-mtu-x{position:absolute;top:12px;right:12px;width:30px;height:30px;border:0;border-radius:50%;
  background:rgba(255,255,255,.16);color:#fff;font-size:18px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:background .15s;}
.qy-mtu-x:hover{background:rgba(255,255,255,.3);}
.qy-mtu-bd{padding:18px 20px 4px;}
.qy-mtu-problem{display:flex;gap:10px;align-items:flex-start;background:#fff7ed;border:1px solid #fed7aa;
  border-radius:10px;padding:11px 12px;font-size:13px;color:#9a3412;line-height:1.6;}
.qy-mtu-problem b{color:#b91c1c;}
.qy-mtu-tag{flex:0 0 auto;background:#f97316;color:#fff;font-size:11px;font-weight:700;
  border-radius:5px;padding:1px 6px;margin-top:2px;letter-spacing:.3px;}
.qy-mtu-cmd{margin-top:14px;}
.qy-mtu-cmd .qy-mtu-label{display:flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  color:#334155;margin-bottom:6px;}
.qy-mtu-cmd .qy-mtu-label i{width:6px;height:6px;border-radius:50%;background:#1b5cff;display:inline-block;}
.qy-mtu-label .qy-mtu-os{font-size:11px;color:#64748b;font-weight:400;}
.qy-mtu-box{position:relative;background:#0f172a;border-radius:10px;padding:12px 78px 12px 12px;}
.qy-mtu-code{display:block;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  font-size:12px;line-height:1.65;color:#d7e3ff;white-space:pre-wrap;word-break:break-all;}
.qy-mtu-copy{position:absolute;top:8px;right:8px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#cfe0ff;font-size:11.5px;border-radius:7px;
  padding:5px 9px;cursor:pointer;transition:all .15s;}
.qy-mtu-copy:hover{background:rgba(255,255,255,.18);color:#fff;}
.qy-mtu-copy.ok{background:#16a34a;border-color:#16a34a;color:#fff;}
.qy-mtu-ft{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 20px 18px;}
.qy-mtu-note{font-size:11.5px;color:#94a3b8;line-height:1.5;}
.qy-mtu-ok{border:0;border-radius:10px;background:#1b5cff;color:#fff;font-size:13.5px;font-weight:600;
  padding:10px 22px;cursor:pointer;white-space:nowrap;transition:transform .12s,box-shadow .12s;
  box-shadow:0 6px 16px rgba(27,92,255,.32);}
.qy-mtu-ok:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(27,92,255,.4);}
@keyframes qyMtuFade{from{opacity:0}to{opacity:1}}
@keyframes qyMtuPop{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}
@media (max-width:560px){
  .qy-mtu-hd{padding:18px 48px 16px 16px;}
  .qy-mtu-hd h3{font-size:15.5px;}
  .qy-mtu-bd{padding:14px 14px 2px;}
  .qy-mtu-box{padding:12px 12px 40px;}
  .qy-mtu-copy{top:auto;bottom:8px;right:8px;}
  .qy-mtu-ft{flex-direction:column-reverse;align-items:stretch;padding:12px 14px 16px;}
  .qy-mtu-ok{width:100%;}
  .qy-mtu-note{text-align:center;}
}