:root {
  --bg: #f3f5f8;
  --card: #fff;
  --ink: #1c2430;
  --muted: #5b6777;
  --line: #d8dee8;
  --accent: #0b6e4f;
  --accent-2: #0a4d8c;
  --danger: #b42318;
  --warn: #9a6700;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1000px 400px at 10% -10%, #d9efe6 0%, transparent 55%),
    radial-gradient(800px 360px at 100% 0%, #d9e6f6 0%, transparent 50%),
    var(--bg);
  min-height: 100vh;
}
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 24px; background: rgba(255,255,255,.9);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; backdrop-filter: blur(8px);
}
.brand { font-weight: 700; letter-spacing: .04em; }
.topbar nav a { margin-left: 14px; color: var(--accent-2); text-decoration: none; }
.topbar .who { margin-left: 16px; color: var(--muted); font-size: 14px; }
.container { max-width: 1180px; margin: 24px auto; padding: 0 16px 48px; }
.bank-layout { display: grid; grid-template-columns: 1fr 280px; gap: 16px; align-items: start; }
.bank-filter h2 { font-size: 16px; }
.tag-group { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { display: inline-flex; align-items: center; gap: 4px; margin: 0; padding: 4px 8px; background: #eef2f6; border-radius: 6px; color: var(--ink); font-size: 13px; }
.tag input { width: auto; margin: 0; }
.codebox { background: #0f172a; color: #e2e8f0; padding: 12px; border-radius: 8px; overflow: auto; font-size: 12px; line-height: 1.5; }
@media (max-width: 900px) {
  .bank-layout { grid-template-columns: 1fr; }
}
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 20px 22px; box-shadow: 0 8px 24px rgba(28,36,48,.04);
}
h1,h2 { margin: 0 0 12px; font-size: 22px; }
.muted { color: var(--muted); }
.btn {
  display: inline-block; border: 0; border-radius: 8px; padding: 10px 16px;
  background: var(--accent); color: #fff; cursor: pointer; text-decoration: none; font-size: 14px;
}
.btn.secondary { background: var(--accent-2); }
.btn.danger { background: var(--danger); }
.btn.ghost { background: #eef2f6; color: var(--ink); }
input, select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  font: inherit; background: #fff;
}
label { display: block; margin: 12px 0 6px; font-size: 14px; color: var(--muted); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { border-bottom: 1px solid var(--line); padding: 10px 8px; text-align: left; }
.alert { padding: 10px 12px; border-radius: 8px; background: #fff4e5; color: var(--warn); margin-bottom: 12px; }
.alert.err { background: #fdecea; color: var(--danger); }
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin-bottom: 18px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.stat b { display: block; font-size: 28px; margin-top: 6px; }
.q-item { border-top: 1px solid var(--line); padding: 16px 0; }
.q-item:first-child { border-top: 0; }
.opts label { display: flex; gap: 8px; align-items: center; margin: 6px 0; color: var(--ink); }
.opts input { width: auto; }
.login-wrap { max-width: 420px; margin: 64px auto; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 18px; }
@media (max-width: 800px) {
  .stats, .grid2 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .stats, .grid2 { grid-template-columns: 1fr; }
}