body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

h1, h2, h3, h4 {
  color: #0a0a0a;
  font-weight: 600;
  letter-spacing: -0.3px;
}

a { color: #0a0a0a; }

.toc-box {
  background-color: #f7f7f7;
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  padding: 20px 24px;
  margin: 24px 0;
}

.toc-box h2 {
  font-size: 16px;
  margin-bottom: 12px;
}

.toc-box ol {
  margin: 0;
  padding-left: 20px;
}

.toc-box li { margin-bottom: 6px; font-size: 14px; }

.article-prose img {
  max-width: 100%;
  border-radius: 8px;
  margin: 16px 0;
  background-color: #f7f7f7;
}

.article-prose h2 {
  margin-top: 40px;
  margin-bottom: 16px;
  font-size: 26px;
}

.article-prose h3 {
  margin-top: 24px;
  margin-bottom: 12px;
  font-size: 19px;
}

.article-prose p {
  margin-bottom: 16px;
  line-height: 1.7;
  color: #3a3a3c;
}

.timeline-item {
  position: relative;
  padding-left: 28px;
  border-left: 2px solid #e5e5e5;
  margin-left: 6px;
  margin-bottom: 28px;
  padding-bottom: 4px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #00b48a;
}

.faq-item {
  border: 1px solid #ededed;
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 12px;
}

.faq-item summary {
  font-weight: 600;
  cursor: pointer;
  color: #0a0a0a;
}

.faq-item p {
  margin-top: 12px;
  color: #5a5a5c;
  margin-bottom: 0;
}