:root {
  --blue: #165dff;
  --blue-soft: rgba(22, 93, 255, 0.1);
  --text: #1d2129;
  --muted: #86909c;
  --line: #e8eef8;
  --bg: #f5f7fa;
  --danger: #f53f3f;
  --ok: #00b42a;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #e8f1ff 0%, var(--bg) 40%, var(--bg) 100%);
  min-height: 100vh;
}
.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}
.top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}
h1 {
  margin: 0 0 6px;
  font-size: 26px;
}
h2 {
  margin: 0 0 14px;
  font-size: 18px;
}
.sub, .muted { color: var(--muted); font-size: 13px; }
.card {
  background: rgba(255,255,255,0.94);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 8px 24px rgba(22, 93, 255, 0.05);
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card.tip code {
  display: block;
  margin: 10px 0;
  padding: 10px 12px;
  background: #f2f5fb;
  border-radius: 8px;
  font-size: 13px;
  word-break: break-all;
}
.hidden { display: none !important; }
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}
.field input[type="text"],
.field input[type="password"],
.field input:not([type]) {
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 12px;
  font-size: 14px;
  color: var(--text);
}
.field.check {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 16px;
}
.form-grid .wide { grid-column: 1 / -1; }
.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}
.btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 10px;
  height: 40px;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.btn.primary {
  background: linear-gradient(135deg, #165dff, #4b8bff);
  border-color: transparent;
  color: #fff;
}
.btn.ghost { background: var(--blue-soft); border-color: transparent; color: var(--blue); }
.btn.danger { color: var(--danger); border-color: rgba(245,63,63,.35); background: rgba(245,63,63,.06); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.error { color: var(--danger); font-size: 13px; min-height: 18px; }
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th { color: var(--muted); font-weight: 600; }
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.badge.on { background: rgba(0,180,42,.12); color: var(--ok); }
.badge.off { background: rgba(134,144,156,.14); color: var(--muted); }
.ops { display: flex; gap: 8px; flex-wrap: wrap; }
.origin { max-width: 240px; word-break: break-all; color: #4e5969; }
@media (max-width: 720px) {
  .form-grid { grid-template-columns: 1fr; }
  .field.check { margin-top: 8px; }
}