:root {
  --bg: #0c1a14;
  --bg2: #10241c;
  --card: #163328;
  --line: #234c3c;
  --text: #e7f6ee;
  --muted: #8fb8a4;
  --accent: #3dcc8a;
  --accent2: #2aa36c;
  --danger: #e57373;
  --warn: #e6c35c;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, #163328 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 20px 16px 48px; }
.nav {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 0 20px; border-bottom: 1px solid var(--line); margin-bottom: 24px;
}
.brand { font-weight: 700; color: var(--text); font-size: 18px; }
.nav a { color: var(--muted); margin-left: 14px; }
.nav a.active, .nav a:hover { color: var(--accent); text-decoration: none; }
.hero, .card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 16px;
}
.hero h1 { margin: 0 0 8px; font-size: 28px; }
.muted { color: var(--muted); }
.tagline { color: var(--accent); font-weight: 600; margin: 0 0 12px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.btn, button, input[type=submit] {
  display: inline-block; border: 0; border-radius: 10px;
  background: var(--accent); color: #062016; font-weight: 700;
  padding: 10px 16px; cursor: pointer; font-size: 14px;
}
.btn.ghost, .ghost {
  background: transparent; color: var(--text); border: 1px solid var(--line);
}
.btn.danger { background: var(--danger); color: #2a0d0d; }
input, select, textarea {
  width: 100%; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg2); color: var(--text);
  margin: 6px 0 12px; font-size: 14px;
}
label { display: block; color: var(--muted); font-size: 13px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.ok { color: var(--accent); margin: 0 0 12px; }
.err { color: var(--danger); margin: 0 0 12px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 6px; 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; }
.badge.on { background: #1e5c40; color: #b8ffd4; }
.badge.off { background: #5c3a1e; color: #ffe0b0; }
.badge.ban { background: #5c1e1e; color: #ffc8c8; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.stat { background: var(--bg2); border-radius: 12px; padding: 16px; border: 1px solid var(--line); }
.stat b { display: block; font-size: 22px; margin-top: 6px; }
.footer { color: var(--muted); font-size: 12px; line-height: 1.7; margin-top: 28px; }
.kefu img { max-width: 180px; border-radius: 8px; display: block; margin-top: 8px; }
form.inline { display: inline; }
form.inline input, form.inline select { width: auto; margin: 0 6px 0 0; }
@media (max-width: 640px) {
  .nav { flex-direction: column; align-items: flex-start; }
  .nav div { display: flex; flex-wrap: wrap; gap: 8px 0; }
}