body { margin: 0; font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif; background:#f5f7fb; color:#111827; }
.wrap { max-width: 1180px; margin: 20px auto; padding: 0 14px; }
.card { background:#fff; border:1px solid #e5e7eb; border-radius:12px; margin-bottom: 14px; overflow:hidden; }
.card h3 { margin:0; padding:10px 12px; border-bottom:1px solid #e5e7eb; background:#f9fafb; font-size:15px; }
.content { padding: 12px; }
table { width:100%; border-collapse: collapse; font-size: 13px; }
th,td { border-bottom:1px solid #f0f2f5; padding:8px; text-align:left; vertical-align: top; }
.tools { display:flex; gap:8px; flex-wrap:wrap; align-items:center; }
input,select,button,textarea { height:34px; border-radius:8px; border:1px solid #d1d5db; padding:0 10px; }
textarea {
  height: 96px;
  min-width: 420px;
  resize: vertical;
  padding: 8px 10px;
  line-height: 1.45;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
button { background:#2563eb; color:#fff; border:0; cursor:pointer; }
.ok { color:#067647; } .err { color:#b42318; } .muted{ color:#6b7280; }
.channel-box { width: 100%; margin-top: 8px; }
.channel-picker { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid #d1d5db;
  background: #fff;
  color: #111827;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  user-select: none;
}
.chip.selected {
  background: #eff6ff;
  border-color: #2563eb;
  color: #1d4ed8;
  font-weight: 600;
}
.row-gap { margin-top:8px; }
.tabs { display:flex; gap:8px; margin-bottom:10px; }
.tab {
  height: 32px;
  padding: 0 12px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  background: #fff;
  color: #374151;
}
.tab.active {
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
}
@media (max-width: 980px) { .tools { flex-direction:column; align-items:stretch; } }