:root {
  --bg: #f3f6fb;
  --card: #ffffff;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #d9e3f1;
  --accent: #0ea5e9;
  --accent2: #22c55e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at top, #dbeafe 0%, var(--bg) 58%);
  color: var(--ink);
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 20px 42px;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.back {
  color: #0369a1;
  font-weight: 700;
  text-decoration: none;
}

.lang-btn {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  color: #0f172a;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
}

h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: -0.8px;
}

.lead {
  color: var(--muted);
  margin: 10px 0 28px;
  line-height: 1.7;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.07);
}

.tag {
  display: inline-block;
  font-size: 12px;
  color: #0369a1;
  font-weight: 800;
  margin-bottom: 10px;
}

.name {
  font-size: 26px;
  font-weight: 900;
  margin: 0 0 8px;
}

.desc {
  color: var(--muted);
  line-height: 1.7;
  margin: 0 0 14px;
}

.go {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border-radius: 10px;
  padding: 9px 14px;
  text-decoration: none;
  font-weight: 800;
  font-size: 14px;
}

@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; }
}