.concurrent-section{
  padding:72px 8%;
  background:linear-gradient(180deg,#020617 0%,#061225 100%);
  color:#fff;
}
.concurrent-wrap{max-width:1200px;margin:auto}
.concurrent-head{
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:24px;
  margin-bottom:22px;
}
.concurrent-kicker{
  color:#22d3ee;
  font:600 11px Orbitron,sans-serif;
  letter-spacing:.18em;
  text-transform:uppercase;
}
.concurrent-title{
  margin:6px 0 0;
  font:700 clamp(27px,4vw,42px) Orbitron,sans-serif;
  letter-spacing:-.035em;
}
.concurrent-summary{color:#7f8da3;font-size:13px;text-align:right}
.concurrent-summary strong{color:#22d3ee;font-family:Orbitron,sans-serif}
.concurrent-status{
  display:flex;
  justify-content:flex-end;
  align-items:center;
  gap:7px;
  margin-top:5px;
  font-size:11px;
}
.concurrent-dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:#34d399;
  box-shadow:0 0 8px rgba(52,211,153,.8);
}
.concurrent-dot.offline{background:#f87171;box-shadow:0 0 8px rgba(248,113,113,.8)}
.branch-tabs{display:flex;gap:7px;margin:-2px 0 16px;overflow-x:auto;scrollbar-width:none}
.branch-tabs::-webkit-scrollbar{display:none}
.branch-tab{
  flex:0 0 auto;
  padding:7px 11px;
  border:1px solid rgba(148,163,184,.15);
  border-radius:999px;
  background:rgba(15,30,53,.72);
  color:#8292a9;
  font:500 10px Poppins,sans-serif;
  cursor:pointer;
  transition:.2s ease;
}
.branch-tab:hover{color:#dbeafe;border-color:rgba(34,211,238,.28)}
.branch-tab.active{color:#07111f;background:#22d3ee;border-color:#22d3ee;font-weight:600}
.branch-tab-count{margin-left:5px;opacity:.72}
.concurrent-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(175px,1fr));
  gap:10px;
}
.member-card{
  min-width:0;
  padding:13px 14px 12px;
  border:1px solid rgba(34,211,238,.13);
  border-radius:12px;
  background:linear-gradient(145deg,rgba(19,48,82,.82),rgba(12,31,58,.84));
  box-shadow:0 8px 24px rgba(0,0,0,.14);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.member-card:hover{
  transform:translateY(-2px);
  border-color:rgba(34,211,238,.32);
  background:linear-gradient(145deg,rgba(22,57,96,.9),rgba(13,36,67,.9));
}
.member-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.member-pc{
  color:#8292a9;
  font-size:10px;
  letter-spacing:.035em;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.member-live{display:inline-flex;align-items:center;gap:5px;color:#6ee7b7;font-size:9px}
.member-live::before{content:'';width:5px;height:5px;border-radius:50%;background:#34d399;box-shadow:0 0 6px rgba(52,211,153,.8)}
.member-name{
  margin-top:8px;
  font:600 15px Orbitron,sans-serif;
  line-height:1.2;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.member-time{
  margin-top:7px;
  color:#aab6c7;
  font-size:12px;
  font-variant-numeric:tabular-nums;
}
.concurrent-empty{
  grid-column:1/-1;
  padding:32px;
  text-align:center;
  border:1px dashed rgba(148,163,184,.2);
  border-radius:12px;
  color:#7f8da3;
  font-size:13px;
}
@media(max-width:700px){
  .concurrent-section{padding:58px 5%}
  .concurrent-head{align-items:start;flex-direction:column;gap:12px}
  .concurrent-summary{text-align:left}
  .concurrent-status{justify-content:flex-start}
  .concurrent-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .member-card{padding:12px}
}
@media(max-width:390px){.concurrent-grid{grid-template-columns:1fr}}