:root {
  --bg: #09111f;
  --panel: #121b33;
  --panel-soft: #182544;
  --line: rgba(255,255,255,0.08);
  --text: #edf3ff;
  --muted: #97a4c4;
  --primary: #57a8ff;
  --primary-2: #8bd0ff;
  --good: #2dd084;
  --warn: #ffb14f;
  --danger: #ff6f6f;
  --radius: 18px;
  --shadow: 0 16px 40px rgba(0,0,0,0.28);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, rgba(87,168,255,.16), transparent 24%), linear-gradient(180deg, #07101d 0%, #0c1222 100%);
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea {
  font: inherit;
}
.app {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}
.sidebar {
  background: rgba(7, 12, 24, .96);
  border-right: 1px solid var(--line);
  padding: 24px 18px;
}
.brand, .card {
  background: rgba(18, 27, 51, .92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.brand {
  padding: 14px;
  margin-bottom: 20px;
  background: linear-gradient(180deg, rgba(87,168,255,.16), rgba(87,168,255,.05));
}
.brand small { color: var(--primary-2); letter-spacing: .12em; display: block; margin-bottom: 6px; }
.brand h1 { font-size: 22px; margin: 0 0 6px; }
.brand p { margin: 0; color: var(--muted); line-height: 1.6; font-size: 13px; }
.menu-title { color: var(--muted); font-size: 12px; margin: 16px 10px 8px; text-transform: uppercase; letter-spacing: .08em; }
.nav-link {
  display: flex; justify-content: space-between; align-items: center;
  padding: 13px 14px; border-radius: 14px; margin-bottom: 8px;
  border: 1px solid transparent; color: var(--text);
}
.nav-link.active, .nav-link:hover { background: var(--panel-soft); border-color: var(--line); }
.badge {
  background: rgba(87,168,255,.16); color: var(--primary-2);
  border-radius: 999px; padding: 3px 8px; font-size: 12px;
}
.main { padding: 24px; }
.topbar { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin-bottom: 20px; }
.topbar h2 { margin: 0 0 8px; font-size: 30px; }
.topbar p { margin: 0; color: var(--muted); font-size: 14px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  border: 1px solid var(--line); background: var(--panel-soft); color: var(--text);
  border-radius: 14px; padding: 12px 18px; cursor: pointer;
}
.btn.primary { background: linear-gradient(135deg, var(--primary), #617dff); box-shadow: 0 12px 24px rgba(87,168,255,.25); }
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.card { padding: 18px; }
.span-8 { grid-column: span 8; }
.span-7 { grid-column: span 7; }
.span-6 { grid-column: span 6; }
.span-5 { grid-column: span 5; }
.span-4 { grid-column: span 4; }
.span-12 { grid-column: span 12; }
.section-title { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.section-title h3 { margin: 0; font-size: 18px; }
.section-title span { color: var(--muted); font-size: 13px; }
.hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 14px; }
.hero-panel, .item, .kpi, .note, .form-box {
  border: 1px solid var(--line); border-radius: 16px; background: var(--panel-soft);
}
.hero-panel {
  padding: 20px; background: linear-gradient(135deg, rgba(87,168,255,.18), rgba(97,125,255,.08));
}
.hero-panel h4 { margin: 0 0 10px; font-size: 24px; }
.hero-panel p, .item p, .note p, .form-box p { color: var(--muted); line-height: 1.7; margin: 0; font-size: 13px; }
.metric-grid, .kpi-grid, .list-grid { display: grid; gap: 12px; }
.metric-grid { grid-template-columns: repeat(3, 1fr); margin-top: 16px; }
.kpi-grid { grid-template-columns: repeat(2, 1fr); }
.list-grid { grid-template-columns: repeat(3, 1fr); }
.item, .kpi, .note, .form-box { padding: 14px; }
.value { font-size: 24px; font-weight: 700; margin: 4px 0 6px; }
.stack { display: grid; gap: 10px; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 6px; }
.pill { padding: 4px 10px; border-radius: 999px; font-size: 12px; }
.pill.good { color: #7ff0b7; background: rgba(45,208,132,.12); border: 1px solid rgba(45,208,132,.18); }
.pill.warn { color: #ffd493; background: rgba(255,177,79,.12); border: 1px solid rgba(255,177,79,.18); }
.pill.danger { color: #ffaaaa; background: rgba(255,111,111,.12); border: 1px solid rgba(255,111,111,.18); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
input, select, textarea {
  width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line);
  background: rgba(255,255,255,.03); color: var(--text);
}
textarea { min-height: 110px; resize: vertical; }
.full { grid-column: 1 / -1; }
.footer-note { color: var(--muted); font-size: 12px; line-height: 1.7; margin-top: 16px; }
.code {
  background: rgba(0,0,0,.25); border: 1px solid var(--line); border-radius: 14px; padding: 14px; white-space: pre-wrap; color: #d8e6ff;
}
@media (max-width: 1280px) {
  .span-8,.span-7,.span-6,.span-5,.span-4 { grid-column: span 12; }
  .hero,.metric-grid,.kpi-grid,.list-grid,.form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { border-right: none; border-bottom: 1px solid var(--line); }
  .topbar { flex-direction: column; align-items: flex-start; }
}