:root {
  --bg: #eaf7f2;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --primary: #16a34a;
  --primary-2: #22c55e;
  --danger: #ef4444;
  --shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
  --radius: 18px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at 20% 10%, #d7fff0, transparent 50%),
    radial-gradient(circle at 80% 30%, #dff7ff, transparent 55%),
    var(--bg);
  color: var(--text);
}

.wrap {
  max-width: 920px;
  margin: 28px auto;
  padding: 0 16px;
}

.card {
  background: var(--card);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero {
  padding: 26px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.1);
  color: #166534;
  border: 1px solid rgba(34, 197, 94, 0.22);
}

h1 {
  margin: 12px 0 6px;
  font-size: 30px;
  letter-spacing: 0.2px;
}

.sub {
  margin: 0 0 14px;
  color: var(--muted);
}

.result {
  display: flex;
  gap: 12px;
  align-items: center;
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.18);
  border-radius: 14px;
  padding: 12px 14px;
}

.spinner {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 3px solid rgba(22, 163, 74, 0.25);
  border-top-color: var(--primary);
  animation: spin 0.9s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.result-text { font-size: 14px; }

.actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 130px;
}

.btn.primary {
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  border: none;
  color: #fff;
}

.btn.ghost {
  background: #fff;
}

.btn[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
}

.hint {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
}

.list {
  margin-top: 18px;
  padding: 20px;
}

h2 { margin: 0 0 6px; font-size: 18px; }
.sub2 { margin: 0 0 14px; color: var(--muted); font-size: 13px; }

.entrances {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.entry .left {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.entry .title {
  font-weight: 700;
  font-size: 14px;
}

.entry .url {
  font-size: 12px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 560px;
}

.tag {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  color: #334155;
  background: rgba(148, 163, 184, 0.08);
}

.tag.ok {
  border-color: rgba(34, 197, 94, 0.4);
  background: rgba(34, 197, 94, 0.12);
  color: #166534;
}

.tag.bad {
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.10);
  color: #991b1b;
}

.faq {
  margin-top: 14px;
  border-top: 1px dashed var(--line);
  padding-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--text);
}

.faq-body { margin-top: 10px; }

.foot {
  margin-top: 16px;
  text-align: center;
  color: rgba(71, 85, 105, 0.9);
  font-size: 12px;
}

.sep { margin: 0 8px; }

@media (min-width: 760px) {
  .entrances { grid-template-columns: 1fr 1fr; }
  .entry .url { max-width: 360px; }
}