:root {
  --bg: #0d1117; --fg: #e6edf3; --muted: #8b949e; --accent: #f0883e;
  --card: #161b22; --border: #30363d; --danger: #f85149; --ok: #3fb950;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: -apple-system, "Segoe UI", "Noto Sans SC", sans-serif; line-height: 1.6;
}
nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 28px; border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 18px; color: var(--fg); text-decoration: none; }
.nav-right a { color: var(--muted); text-decoration: none; margin-left: 18px; }
.nav-right a:hover { color: var(--fg); }
.nav-right .user { color: var(--ok); margin-left: 18px; }
.lang { margin-left: 18px; font-size: 13px; }
.lang a { color: var(--muted); text-decoration: none; margin: 0 3px; }
.lang a.on { color: var(--accent); font-weight: 700; }
main { max-width: 980px; margin: 0 auto; padding: 40px 24px 80px; }
footer { text-align: center; color: var(--muted); padding: 24px; border-top: 1px solid var(--border); font-size: 13px; }
footer a { color: var(--muted); }

.hero { text-align: center; padding: 60px 0 40px; }
.hero h1 { font-size: 56px; margin: 0 0 8px; }
.tagline { color: var(--muted); font-size: 18px; }
.cta { margin-top: 28px; display: flex; gap: 14px; justify-content: center; }

.btn {
  display: inline-block; background: var(--accent); color: #1b1005; font-weight: 600;
  padding: 10px 22px; border-radius: 8px; text-decoration: none; border: none; cursor: pointer;
}
.btn:hover { filter: brightness(1.1); }
.btn.ghost { background: transparent; color: var(--fg); border: 1px solid var(--border); }
.btn.big { font-size: 17px; padding: 13px 30px; }
.btn.sm { padding: 4px 12px; font-size: 13px; }
.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-top: 28px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.card h3 { margin: 0 0 8px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card pre { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 10px; font-size: 13px; overflow-x: auto; }

.auth { max-width: 400px; margin: 40px auto; }
.auth.wide { max-width: 760px; }
.auth h2 { margin-bottom: 6px; }
form label { display: block; margin: 14px 0; font-size: 14px; color: var(--muted); }
form input {
  display: block; width: 100%; margin-top: 6px; padding: 10px 12px;
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  color: var(--fg); font-size: 15px;
}
form input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.msg { min-height: 22px; color: var(--danger); font-size: 14px; }
.alt { color: var(--muted); font-size: 14px; }
.alt a { color: var(--accent); }

.row { display: flex; gap: 10px; margin: 18px 0; }
.row input { flex: 1; margin: 0 !important; }
.token-box {
  background: #1a2e1a; border: 1px solid var(--ok); border-radius: 8px;
  padding: 14px; font-size: 14px; word-break: break-all; white-space: pre-wrap;
}
.hidden { display: none; }

/* ── index 首页 ── */
.term {
  display: inline-block; text-align: left;
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px 24px; margin-top: 26px; font-size: 15px; line-height: 1.8;
}
.term code { background: none; padding: 0; color: var(--ok); font-size: 15px; }
.sec { margin: 52px 0 0; font-size: 22px; }
.card pre { margin-top: 12px; }
.foot-links { text-align: center; margin-top: 44px; color: var(--muted); font-size: 14px; }
.foot-links a { color: var(--accent); }

/* agents 控制页 */
tr.sel { background: rgba(240, 136, 62, 0.12); }
.events { display: flex; flex-direction: column; gap: 8px; max-height: 480px; overflow-y: auto; padding-right: 4px; }
.ev { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; font-size: 14px; }
.ev-meta { color: var(--muted); font-size: 12px; }
.ev-data { margin: 6px 0 0; background: var(--bg); border-radius: 6px; padding: 8px; font-size: 13px; white-space: pre-wrap; word-break: break-word; max-height: 200px; overflow-y: auto; }
.ev-result .ev-data { border-left: 3px solid var(--ok); }
.ev-error .ev-data { border-left: 3px solid var(--danger); }

table { width: 100%; border-collapse: collapse; font-size: 14px; margin-top: 10px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; }
tr.revoked td { color: var(--muted); text-decoration: line-through; }
tr.revoked td:last-child { text-decoration: none; }
code { background: var(--card); padding: 2px 6px; border-radius: 4px; font-size: 13px; }

/* ── feedback ── */
.fb-form { display: flex; flex-direction: column; gap: 12px; margin: 14px 0 8px; text-align: left; }
.fb-form select, .fb-form textarea { font: inherit; }
.fb-tbl td, .fb-tbl th { font-size: 13px; }
.fb-detail td { border-top: none; padding-top: 0; }
.fb-st { padding: 2px 8px; border-radius: 999px; font-size: 12px; white-space: nowrap; }
.fb-open { background: #3d2a00; color: #ffb84d; }
.fb-in_progress { background: #0c2d4d; color: #58a6ff; }
.fb-closed { background: #12331f; color: #3fb950; }
.fb-mark { font: inherit; font-size: 12px; padding: 3px 6px; }

/* ── kingwang 后台 ── */
.kw-tabs { display: flex; gap: 6px; margin: 14px 0; flex-wrap: wrap; }
.kw-tab { background: var(--card); border: 1px solid var(--border); color: var(--fg); padding: 7px 16px; border-radius: 8px; font-size: 14px; cursor: pointer; }
.kw-tab.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.kw-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 14px 18px; min-width: 130px; text-align: center; }
.kw-cards { display: flex; gap: 10px; flex-wrap: wrap; margin: 10px 0 18px; }
.kw-num { font-size: 26px; font-weight: 700; color: var(--accent); }
.kw-label { font-size: 12px; color: var(--muted); margin-top: 2px; }
.kw-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.kw-li { padding: 5px 0; border-bottom: 1px dashed var(--border); font-size: 13px; }
@media (max-width: 700px) { .kw-cols { grid-template-columns: 1fr; } }
.btn.sm { padding: 3px 10px; font-size: 12px; }
.btn.danger { background: var(--danger); }
tr.banned td { opacity: 0.55; }
.dim.small { font-size: 12px; }