:root{
  --bg0:#040a1f;
  --bg1:#06123a;
  --fg:#e8f6ff;
  --muted:#9db3c7;
  --glass: rgba(255,255,255,.08);
  --glass2: rgba(255,255,255,.12);
  --border: rgba(255,255,255,.14);
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --radius: 18px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "PingFang SC","Microsoft YaHei", Arial;
  color:var(--fg);
  background: radial-gradient(900px 600px at 20% 10%, rgba(0,180,255,.18), transparent 55%),
              radial-gradient(900px 600px at 80% 30%, rgba(120,80,255,.16), transparent 60%),
              linear-gradient(180deg, var(--bg0), var(--bg1));
}
.bg{position:fixed;inset:0;pointer-events:none;filter: blur(0px);
  background:
    radial-gradient(700px 500px at 15% 20%, rgba(0,200,255,.16), transparent 65%),
    radial-gradient(700px 500px at 85% 15%, rgba(180,120,255,.14), transparent 60%),
    radial-gradient(900px 700px at 50% 120%, rgba(0,120,255,.10), transparent 60%);
}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px}
.glass{
  background: linear-gradient(180deg, var(--glass2), var(--glass));
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.topbar{position:sticky;top:12px;margin:12px auto;z-index:10}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 18px}
.brand{display:flex;gap:12px;align-items:center}
.logo{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-weight:800;
  background: linear-gradient(135deg, rgba(0,200,255,.25), rgba(120,80,255,.18));
  border:1px solid rgba(255,255,255,.16);
}
.brand-title{font-weight:800;letter-spacing:.5px}
.brand-sub{font-size:12px;color:var(--muted)}
.nav{display:flex;gap:8px;flex-wrap:wrap}
.nav-link{color:var(--fg);text-decoration:none;padding:10px 12px;border-radius:12px;border:1px solid transparent}
.nav-link:hover{border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.06)}
.nav-link--pill{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16)}
.main{padding:18px 18px 0}

.hero{padding:24px}
.h-title{font-size:34px;font-weight:900;line-height:1.15;margin:0 0 10px}
.h-sub{color:var(--muted);margin:0 0 18px;max-width:820px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.card{padding:18px}
.col-7{grid-column:span 7}
.col-5{grid-column:span 5}
@media (max-width:900px){.col-7,.col-5{grid-column:span 12}.h-title{font-size:28px}}
.kpi{display:flex;flex-direction:column;gap:6px}
.kpi .n{font-size:26px;font-weight:900}
.muted{color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:14px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.08);color:var(--fg);text-decoration:none;font-weight:700}
.btn:hover{background:rgba(255,255,255,.12)}
.list{display:flex;flex-direction:column;gap:10px}
.item{padding:14px}
.item a{color:var(--fg);text-decoration:none;font-weight:800}
.item a:hover{text-decoration:underline}
.badge{display:inline-flex;padding:6px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);font-size:12px}
.form{display:flex;flex-direction:column;gap:10px}
.input,textarea{width:100%;padding:12px 12px;border-radius:14px;border:1px solid rgba(255,255,255,.16);background:rgba(0,0,0,.15);color:var(--fg);outline:none}
textarea{min-height:120px;resize:vertical}
.input:focus,textarea:focus{border-color:rgba(0,200,255,.35);box-shadow:0 0 0 4px rgba(0,180,255,.12)}
.footer{padding:16px 18px 26px}
.footer-card{padding:16px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.notice{padding:12px 14px;border-radius:14px;border:1px solid rgba(255,255,255,.16);background:rgba(0,200,255,.09)}
.err{background:rgba(255,80,120,.10)}