:root {
  --bg: #f6f7fb;
  --ink: #14161d;
  --ink-soft: #5b6172;
  --line: #e3e6ef;
  --accent: #2f6bff;
  --accent-soft: #e8efff;
  --card: #ffffff;
  --radius: 20px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .5;
  pointer-events: none;
  z-index: 0;
}
.glow-a {
  width: 420px; height: 420px;
  background: #cfdcff;
  top: -140px; left: -120px;
}
.glow-b {
  width: 380px; height: 380px;
  background: #ffe3d3;
  bottom: -160px; right: -110px;
}

.card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 620px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 40px 28px;
  box-shadow: 0 1px 2px rgba(20, 22, 29, .04),
              0 18px 40px -18px rgba(20, 22, 29, .16);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #0f7a45;
  background: #e8f8ee;
  border-radius: 999px;
  padding: 5px 13px;
}
.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #12a25c;
  box-shadow: 0 0 0 4px rgba(18, 162, 92, .16);
}

h1 {
  font-size: 34px;
  line-height: 1.25;
  letter-spacing: -.02em;
  margin: 18px 0 12px;
  font-weight: 700;
}

.lead {
  margin: 0 0 28px;
  color: var(--ink-soft);
  font-size: 15.5px;
}

.checklist {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.checklist li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
}

.tick {
  flex: 0 0 24px;
  width: 24px; height: 24px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 3px;
}

.checklist strong {
  display: block;
  font-size: 15px;
  font-weight: 650;
  margin-bottom: 2px;
}

.checklist span {
  color: var(--ink-soft);
  font-size: 14px;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .875em;
  background: #f2f4f9;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
  word-break: break-all;
}

.meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.meta > div {
  background: #fbfcfe;
  padding: 14px 16px;
}

.label {
  display: block;
  font-size: 11.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #8b91a3;
  margin-bottom: 3px;
}

.value {
  display: block;
  font-size: 14px;
  font-weight: 600;
  word-break: break-all;
}

footer {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: #9aa0b0;
  display: flex;
  justify-content: space-between;
}

@media (max-width: 560px) {
  .card { padding: 30px 22px 22px; border-radius: 16px; }
  h1 { font-size: 27px; }
  .meta { grid-template-columns: 1fr; }
}