:root {
  --brand: #0ea88a;
  --brand-dark: #0b7d67;
  --ink: #16201d;
  --muted: #5a635f;
  --line: #e3e8e6;
  --soft: #f4f8f7;
  --bg: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

a {
  color: var(--brand-dark);
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
}

header.site {
  border-bottom: 1px solid var(--line);
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.wordmark {
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  text-decoration: none;
}

.wordmark span {
  color: var(--brand);
}

header.site nav a {
  margin-left: 20px;
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
}

.hero {
  background: var(--soft);
  padding: 56px 0 48px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: 34px;
  line-height: 1.3;
}

.hero p {
  margin: 0;
  max-width: 640px;
  color: var(--muted);
  font-size: 17px;
}

section {
  padding: 40px 0 8px;
}

h2 {
  margin: 0 0 20px;
  font-size: 24px;
}

h3 {
  margin: 0 0 6px;
  font-size: 17px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.feature {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.plan {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
}

.plan.featured {
  border-color: var(--brand);
  box-shadow: 0 0 0 1px var(--brand);
}

.plan .name {
  font-size: 18px;
  font-weight: 700;
}

.plan .price {
  margin: 8px 0 4px;
  font-size: 36px;
  font-weight: 700;
  color: var(--brand-dark);
}

.plan .price small {
  font-size: 15px;
  font-weight: 400;
  color: var(--muted);
}

.plan ul {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 15px;
}

.table-scroll {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

th,
td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--soft);
  font-weight: 600;
}

.note {
  color: var(--muted);
  font-size: 14px;
}

ol.steps,
ul.rules {
  padding-left: 22px;
}

ol.steps li,
ul.rules li {
  margin-bottom: 6px;
}

footer.site {
  margin-top: 48px;
  border-top: 1px solid var(--line);
  padding: 24px 0 32px;
  color: var(--muted);
  font-size: 14px;
}

footer.site p {
  margin: 2px 0;
}

.doc h1 {
  margin: 40px 0 8px;
  font-size: 28px;
}

.doc h2 {
  margin: 32px 0 12px;
  font-size: 20px;
}

.doc p,
.doc li {
  font-size: 15px;
}

@media (max-width: 600px) {
  .hero {
    padding: 40px 0 32px;
  }

  .hero h1 {
    font-size: 28px;
  }

  header.site nav a {
    margin-left: 12px;
  }
}

.email-slot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  vertical-align: middle;
}

.email-image {
  display: block;
}

.email-copy {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--ink);
  padding: 2px 10px;
  font-size: 13px;
  cursor: pointer;
}