:root {
  --page-bg: #eaf1f6;
  --card-bg: #ffffff;
  --text: #153047;
  --muted: #607286;
  --shadow: 0 22px 60px rgba(21, 48, 71, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  background:
    radial-gradient(circle at top, rgba(40, 115, 225, 0.12), transparent 28%),
    linear-gradient(180deg, #f7fbff 0%, var(--page-bg) 100%);
}

.page,
.empty-state {
  width: min(100%, 860px);
  margin: 0 auto;
  padding: 24px 16px 40px;
}

.hero {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 24px;
  background: var(--card-bg);
  box-shadow: var(--shadow);
}

.empty-state {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.empty-card {
  width: min(100%, 520px);
  padding: 28px;
  border-radius: 24px;
  background: var(--card-bg);
  box-shadow: var(--shadow);
  text-align: center;
}

.empty-card h1 {
  margin: 0 0 10px;
  font-size: 28px;
}

.empty-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.empty-link {
  display: inline-block;
  margin-top: 18px;
  padding: 12px 18px;
  border-radius: 999px;
  background: #1768e5;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

@media (max-width: 640px) {
  .page,
  .empty-state {
    padding: 12px 10px 24px;
  }

  .hero,
  .empty-card {
    border-radius: 18px;
  }

  .empty-card h1 {
    font-size: 24px;
  }
}