:root {
  color-scheme: light;
  --brand: #397a51;
  --brand-dark: #245637;
  --ink: #1f2933;
  --muted: #667085;
  --line: #dfe7e2;
  --soft: #f4f8f5;
  --warning: #fff8e8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #f5f7f6;
  font: 16px/1.8 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 28px 18px 64px;
}

article {
  padding: 40px 46px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 8px 28px rgba(31, 57, 42, 0.06);
}

h1 {
  margin: 0 0 8px;
  color: var(--brand-dark);
  font-size: 32px;
  line-height: 1.35;
}

h2 {
  margin: 36px 0 12px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--line);
  color: var(--brand-dark);
  font-size: 22px;
}

h3 {
  margin: 24px 0 8px;
  font-size: 18px;
}

p {
  margin: 10px 0;
}

ul,
ol {
  margin: 8px 0 14px;
  padding-left: 26px;
}

li {
  margin: 5px 0;
}

a {
  color: var(--brand);
  overflow-wrap: anywhere;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 24px 0;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.meta,
.footer,
.small {
  color: var(--muted);
  font-size: 14px;
}

.notice {
  margin: 18px 0 24px;
  padding: 14px 16px;
  border-left: 4px solid var(--brand);
  border-radius: 7px;
  background: var(--soft);
}

.warning {
  border-left-color: #d99000;
  background: var(--warning);
}

table {
  width: 100%;
  margin: 14px 0 20px;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  padding: 10px 11px;
  border: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}

th {
  background: var(--soft);
  font-weight: 650;
}

code {
  padding: 1px 5px;
  border-radius: 4px;
  background: #f0f3f1;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.92em;
}

.footer {
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 0;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  font: inherit;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
}

.button.secondary {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--brand-dark);
}

label {
  display: block;
  margin: 14px 0 6px;
  font-weight: 650;
}

input {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid #cdd8d1;
  border-radius: 9px;
  font: inherit;
}

.form-card {
  margin-top: 22px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--soft);
}

.status {
  display: none;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 8px;
  background: var(--soft);
  white-space: pre-wrap;
}

.status.visible {
  display: block;
}

@media (max-width: 720px) {
  article {
    padding: 26px 18px;
  }

  h1 {
    font-size: 27px;
  }

  table {
    display: block;
    overflow-x: auto;
  }

  th,
  td {
    min-width: 138px;
  }
}