:root {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: #f4f7fb;
  color: #18212f;
  line-height: 1.7;
}

.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.page-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 24px;
  border-bottom: 1px solid #dce4ee;
  margin-bottom: 32px;
  font-size: 0.95rem;
}

.page-header a {
  color: #2d5bff;
  text-decoration: none;
}

.page-header a:hover {
  text-decoration: underline;
}

h1 {
  font-size: 1.9rem;
  line-height: 1.25;
  margin: 0 0 8px;
}

.meta {
  color: #5b6a82;
  font-size: 0.9rem;
  margin: 0 0 28px;
}

h2 {
  font-size: 1.25rem;
  margin: 36px 0 12px;
  color: #18212f;
}

h3 {
  font-size: 1.05rem;
  margin: 24px 0 8px;
}

p,
li {
  color: #2c3a52;
}

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

li {
  margin-bottom: 8px;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: #eef2f8;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

pre {
  background: #18212f;
  color: #e7ecf3;
  padding: 16px 18px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.55;
}

pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.95rem;
}

th,
td {
  border: 1px solid #dce4ee;
  padding: 8px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  background: #eef2f8;
}

.cta {
  display: inline-block;
  background: #18212f;
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  margin: 4px 0 12px;
  transition: background-color 0.15s ease;
}

.cta:hover {
  background: #2d5bff;
}

.page-footer {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid #dce4ee;
  color: #5b6a82;
  font-size: 0.9rem;
}

.page-footer a {
  color: #2d5bff;
  text-decoration: none;
}

.page-footer a:hover {
  text-decoration: underline;
}