/* 站点顶栏导航样式已并入 style.css 的 .site-nav */

/* 方法说明页 */
.about-wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 28px 22px 80px;
  position: relative;
  z-index: 1;
}

.about-wrap h2 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: 0.06em;
  margin: 0 0 8px;
  color: var(--ink);
}

.about-wrap .lead {
  color: var(--ink-2);
  font-size: 0.95rem;
  max-width: 42em;
  margin: 0 0 28px;
}

.about-wrap h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  color: var(--primary-3);
  margin: 36px 0 12px;
  padding-top: 8px;
  border-top: 1px solid var(--line-2);
}

.about-wrap p,
.about-wrap li {
  color: var(--ink-2);
  font-size: 0.92rem;
  line-height: 1.65;
}

.about-wrap ul,
.about-wrap ol {
  padding-left: 1.3em;
  margin: 0 0 14px;
}

.about-wrap li {
  margin-bottom: 6px;
}

.about-wrap a {
  color: var(--primary-3);
}

.about-wrap code {
  font-size: 0.84em;
  background: rgba(126, 12, 110, 0.18);
  padding: 1px 6px;
  border-radius: 4px;
}

.about-wrap pre {
  background: #fff;
  border: 1px solid rgba(126, 12, 110, 0.12);
  border-radius: 10px;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--ink-2);
  margin: 0 0 16px;
}

.about-wrap pre code {
  background: none;
  padding: 0;
}

.about-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin: 0 0 16px;
}

.about-table th,
.about-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid rgba(126, 12, 110, 0.1);
  color: var(--ink-2);
  vertical-align: top;
}

.about-table th {
  color: var(--ink);
  font-weight: 500;
  white-space: nowrap;
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin: 16px 0 8px;
}

.about-card {
  border: 1px solid rgba(126, 12, 110, 0.12);
  border-radius: 12px;
  padding: 14px 16px;
  background: #fff;
}

.about-card strong {
  display: block;
  color: var(--ink);
  margin-bottom: 4px;
  font-size: 0.95rem;
}

.about-card span {
  font-size: 0.82rem;
  color: var(--ink-3);
}

.about-note {
  border-left: 3px solid var(--primary);
  padding: 10px 14px;
  background: rgba(126, 12, 110, 0.08);
  border-radius: 0 8px 8px 0;
  font-size: 0.88rem;
  color: var(--ink-2);
  margin: 0 0 16px;
}

.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0 0;
}

.about-links a {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-size: 0.86rem;
  color: var(--ink);
}

.about-links a:hover {
  border-color: var(--primary-2);
  color: var(--primary-3);
}