:root {
  --bg0: #060b18;
  --bg1: #0d1630;
  --bg2: #101b3d;
  --card: rgba(14, 23, 49, 0.72);
  --line: rgba(105, 157, 255, 0.25);
  --text: #e9f1ff;
  --muted: #a6b6d6;
  --primary: #33d6ff;
  --accent: #5b7cff;
  --ok: #36d39a;
  --error: #ff6b7a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -20%, #1f4eb9 0%, transparent 65%),
    radial-gradient(900px 500px at 110% 10%, #174f9b 0%, transparent 60%),
    linear-gradient(160deg, var(--bg0), var(--bg1) 45%, var(--bg2));
  min-height: 100vh;
}
.container { width: min(1120px, 92vw); margin: 0 auto; }
.topbar {
  position: sticky; top: 0; z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 11, 24, 0.78);
  backdrop-filter: blur(10px);
  overflow: hidden;
}
.orb { position: absolute; border-radius: 999px; filter: blur(38px); opacity: 0.45; }
.orb-1 { width: 240px; height: 240px; background: #2f7dff; left: -80px; top: -120px; }
.orb-2 { width: 220px; height: 220px; background: #00d4ff; right: -80px; top: -100px; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; position: relative; }
.topbar h1 { font-size: 20px; margin: 0; letter-spacing: 1px; }
nav a { color: var(--text); text-decoration: none; margin-left: 14px; font-size: 14px; opacity: 0.9; }
nav a:hover { color: var(--primary); }
main { padding: 24px 0 40px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.25);
}
.glass { backdrop-filter: blur(8px); }
.hero h2 { margin: 0 0 8px; font-size: 26px; }
.hero p { color: var(--muted); margin: 0 0 12px; }
.narrow { max-width: 460px; margin: 30px auto; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
label { display: block; margin-bottom: 10px; font-size: 13px; color: var(--muted); }
input, button {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(13, 24, 52, 0.8);
}
input:focus { outline: 1px solid var(--primary); }
button, .btn {
  background: linear-gradient(120deg, var(--accent), var(--primary));
  color: #fff;
  border: 0;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
  text-align: center;
  width: auto;
  padding: 10px 18px;
}
.alert { padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; border: 1px solid; }
.alert-error { background: rgba(255, 107, 122, 0.12); color: #ffd0d5; border-color: rgba(255, 107, 122, 0.45); }
.alert-success { background: rgba(54, 211, 154, 0.12); color: #c7ffe8; border-color: rgba(54, 211, 154, 0.45); }
table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid var(--line); padding: 10px 8px; font-size: 14px; text-align: left; }
th { color: #bad1ff; }
.big { font-size: 30px; font-weight: 700; margin: 0; color: var(--primary); }
.grid-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; background: rgba(91, 124, 255, 0.22); border: 1px solid var(--line); }
.report-item { border-top: 1px dashed var(--line); padding-top: 10px; margin-top: 10px; }
a { color: #95d8ff; }
small { color: var(--muted); }
@media (max-width: 640px) {
  .topbar-inner { flex-direction: column; align-items: flex-start; gap: 8px; }
  nav a { margin-left: 0; margin-right: 12px; }
  .hero h2 { font-size: 20px; }
}