:root {
  --bg: #081018;
  --bg-2: #0d1824;
  --card: rgba(16, 28, 42, 0.86);
  --line: rgba(140, 180, 220, 0.14);
  --text: #e8f1f8;
  --muted: #8ea3b8;
  --accent: #3ee0a2;
  --warn: #f5b942;
  --danger: #ff6b86;
  --info: #6aa7ff;
  --safe: #3ee0a2;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 18px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: system-ui, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, #16324a 0%, transparent 50%),
              radial-gradient(900px 500px at 110% 10%, #1a3d32 0%, transparent 46%),
              var(--bg);
  color: var(--text);
  line-height: 1.55;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 50% 20%, #000 20%, transparent 75%);
  pointer-events: none;
}

.wrap { width: min(760px, calc(100% - 32px)); margin: 0 auto; }
.topbar {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.logo {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: conic-gradient(from 210deg, var(--accent), var(--info), var(--accent));
  box-shadow: 0 0 0 4px rgba(62, 224, 162, 0.12);
}
.lang { display: flex; gap: 6px; }
.lang button {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 4px 10px;
  cursor: pointer;
}
.lang button.active { color: var(--text); border-color: var(--accent); }

.hero { padding: 28px 0 8px; }
.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  margin: 0 0 8px;
}
h1 { font-size: clamp(32px, 8vw, 52px); line-height: 1.1; margin: 0 0 12px; }
.lead { color: var(--muted); margin: 0 0 22px; max-width: 42ch; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  margin: 14px 0;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}
.state-card {
  display: flex;
  align-items: center;
  gap: 14px;
}
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.15);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.identity, .versions, .status {
  display: grid;
  gap: 16px;
}
@media (min-width: 640px) {
  .identity, .versions { grid-template-columns: 1fr 1fr; }
  .status { grid-template-columns: auto 1fr; align-items: center; }
}
.identity h2, .status h3 { margin: 0 0 4px; }
.mono { font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace; margin: 0; }
.label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 4px; }
.muted { color: var(--muted); }
.engine p { margin: 0; }

.status.safe { border-color: rgba(62, 224, 162, 0.45); }
.status.low { border-color: rgba(106, 167, 255, 0.4); }
.status.medium { border-color: rgba(245, 185, 66, 0.5); }
.status.high, .status.critical { border-color: rgba(255, 107, 134, 0.55); }
.kev { border-color: rgba(255, 107, 134, 0.55); }
.kev p { margin: 0; color: var(--muted); }
.status-icon { font-size: 28px; margin: 0; }
.confidence { font-size: 13px; color: var(--warn); }

.mega {
  font-size: clamp(56px, 14vw, 84px);
  font-weight: 700;
  line-height: 0.95;
  margin: 0 0 8px;
}
.mega.small { font-size: clamp(40px, 10vw, 64px); }
.highlight p { margin: 0; color: var(--muted); }
.sev-grid {
  list-style: none;
  padding: 16px 0 0;
  margin: 16px 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  border-top: 1px solid var(--line);
}
.sev-grid li {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
}
.sev-grid strong { color: var(--text); }
.behind { grid-column: 1 / -1; margin: 0; color: var(--warn); }

.oem-notice {
  border-color: rgba(245, 185, 66, 0.5);
}
.oem-notice h3 { margin: 0 0 8px; }
.oem-notice p { margin: 0; color: var(--muted); }

.cta {
  display: block;
  text-align: center;
  text-decoration: none;
  background: var(--accent);
  color: #062016;
  font-weight: 700;
  border-radius: 14px;
  padding: 16px;
  margin: 16px 0 8px;
}
.cta[hidden] { display: none; }

.linkish {
  background: none;
  border: 0;
  color: var(--info);
  cursor: pointer;
  padding: 0;
  font: inherit;
}
.vuln-item {
  border-top: 1px solid var(--line);
  padding: 14px 0;
}
.vuln-item a { color: inherit; }
.sev-tag {
  display: inline-block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
}
.sev-tag.critical { color: var(--danger); }
.sev-tag.high { color: #ff8a6b; }
.sev-tag.medium { color: var(--warn); }
.sev-tag.low { color: var(--info); }

.hidden { display: none !important; }
.foot {
  width: min(760px, calc(100% - 32px));
  margin: 28px auto 40px;
  color: var(--muted);
  font-size: 13px;
}

.cve-page .back { color: var(--info); text-decoration: none; }
.cve-page h1 { margin-top: 16px; }
.cve-page .meta { padding-left: 18px; color: var(--muted); }