:root {
  --bg: #0b0a14;
  --bg2: #151226;
  --card: #151126;
  --card2: #1d1830;
  --text: #f0ecff;
  --muted: #b8addf;
  --line: #433a71;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: radial-gradient(
    circle at top right,
    #21183b 0%,
    #0b0a14 45%,
    #080711 100%
  );
  color: var(--text);
  font-family: "Avenir Next", "PingFang SC", sans-serif;
}
.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 14px;
}
.card {
  background: linear-gradient(160deg, var(--card), var(--card2));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  margin-bottom: 10px;
}
.lang-row {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 4px;
}
.hero h1 {
  margin: 0 0 6px;
  font-size: 30px;
  color: #f4eeff;
  font-family: "Baskerville", "Times New Roman", serif;
}
.hero p {
  margin: 0 0 6px;
  color: var(--muted);
}
.back-home {
  font-size: 12px;
  color: #d8cbff;
  text-decoration: underline;
  text-underline-offset: 2px;
}
h2 {
  margin: 0 0 8px;
  color: #e8dcff;
  font-size: 18px;
}
.tip {
  margin: 0 0 8px;
  color: #c8bcf3;
  font-size: 12px;
  line-height: 1.45;
}
.question-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.q-card {
  border: 1px dashed #5b4d93;
  border-radius: 12px;
  padding: 10px;
  background: rgba(9, 8, 17, 0.45);
}
.q-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}
.q-title {
  font-size: 13px;
  color: #f1eaff;
  line-height: 1.5;
}
.q-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.q-meta {
  display: flex;
  justify-content: flex-end;
  font-size: 11px;
  color: #b7acd8;
  margin-top: 4px;
}
textarea,
pre {
  width: 100%;
  border: 1px solid #4b417f;
  background: #0e0c1a;
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
  font-size: 13px;
  line-height: 1.45;
}
textarea {
  min-height: 84px;
  resize: vertical;
}
.q-answer {
  min-height: 74px;
}
pre {
  min-height: 120px;
  white-space: pre-wrap;
  word-break: break-word;
}
.row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 8px 0;
}
button {
  border: 1px solid #9a82db;
  background: linear-gradient(135deg, #e2d6ff, #c5b3f5);
  color: #1b1531;
  padding: 8px 12px;
  border-radius: 10px;
  font-weight: 800;
  cursor: pointer;
}
button.ghost {
  background: transparent;
  color: #e5dbff;
  border-color: #6f5db3;
}
button.mini {
  padding: 4px 7px;
  font-size: 11px;
  line-height: 1;
  border-radius: 8px;
  white-space: nowrap;
  box-shadow:
    0 0 0 1px rgba(154, 130, 219, 0.18),
    0 4px 10px rgba(154, 130, 219, 0.12);
}
button.mini:hover {
  box-shadow:
    0 0 0 1px rgba(180, 160, 235, 0.25),
    0 6px 12px rgba(170, 150, 235, 0.16);
}
.fold {
  margin-top: 8px;
  border: 1px solid #4b417f;
  border-radius: 10px;
  padding: 8px;
  background: rgba(14, 12, 26, 0.45);
}
.fold summary {
  cursor: pointer;
  color: #e6dcff;
  font-size: 13px;
  font-weight: 700;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.fold summary::-webkit-details-marker {
  display: none;
}
.fold summary::before {
  content: "▸";
  font-size: 12px;
  opacity: 0.9;
  transform: translateY(-1px);
}
.fold[open] summary::before {
  content: "▾";
}