.about-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem 0 4rem;
}

.about-hero {
  margin-bottom: 2.5rem;
}

.about-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.about-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  margin-bottom: 0.75rem;
}

.about-lead {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.about-block {
  margin-bottom: 2.25rem;
}

.about-contact {
  padding: 1.25rem 1.35rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.about-contact p {
  color: var(--text-muted);
  margin: 0 0 0.5rem;
  line-height: 1.65;
}

.about-wechat-id {
  font-size: 1.15rem;
  color: var(--text) !important;
  margin: 0.25rem 0 0 !important;
  letter-spacing: 0.04em;
}

.about-wechat-id strong {
  color: var(--primary-text);
  font-weight: 600;
}

.about-block h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.about-steps {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-step {
  display: flex;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.about-step-num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary-text);
  font-weight: 700;
  font-size: 0.9rem;
}

.about-step h3 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.about-step p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.about-advantages {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.about-advantages li {
  padding: 1rem 1.15rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.about-advantages strong {
  color: var(--text);
  font-size: 0.95rem;
}

.about-advantages span {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.about-tips ul {
  margin-left: 1.25rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.about-tips code {
  font-size: 0.82em;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: var(--bg-card);
}

.about-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}