.blog-body {
  color: #122033;
  background: #f5f8fb;
  font-family: Inter, Arial, sans-serif;
  line-height: 1.65;
}

.blog-hero {
  padding: clamp(52px, 7vw, 88px) clamp(18px, 5vw, 78px) clamp(34px, 5vw, 64px);
  background:
    linear-gradient(115deg, rgba(13, 59, 94, 0.08), rgba(0, 150, 136, 0.08) 48%, rgba(255, 255, 255, 0.9)),
    #eef6f8;
}

.scenario-hero {
  background:
    radial-gradient(circle at 82% 18%, rgba(20, 184, 166, 0.18), transparent 36%),
    linear-gradient(115deg, rgba(13, 59, 94, 0.1), rgba(14, 165, 233, 0.08) 48%, rgba(255, 255, 255, 0.92)),
    #edf6f8;
}

.blog-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.8fr);
  gap: clamp(30px, 5vw, 68px);
  align-items: center;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.blog-hero h1 {
  max-width: 820px;
  color: #111827;
  font-size: clamp(2.35rem, 4.4vw, 4.4rem);
  line-height: 1;
}

.blog-hero p {
  max-width: 720px;
  margin: 22px 0 0;
  color: #536579;
  font-size: clamp(1.04rem, 1.35vw, 1.22rem);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.article-meta span {
  display: inline-flex;
  padding: 8px 11px;
  color: #0d3b5e;
  background: #fff;
  border: 1px solid #dce7f1;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
}

.blog-hero-visual {
  border: 1px solid #dce7f1;
  border-radius: 8px;
  box-shadow: 0 26px 70px rgba(18, 32, 51, 0.12);
  overflow: hidden;
}

.blog-hero-visual img,
.article-visual img {
  width: 100%;
  display: block;
}

.blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: clamp(30px, 5vw, 70px);
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: clamp(48px, 6vw, 84px) clamp(18px, 4vw, 0px);
}

.article-card,
.toc-card,
.reference-card {
  background: #fff;
  border: 1px solid #dce7f1;
  border-radius: 8px;
  box-shadow: 0 18px 42px rgba(18, 32, 51, 0.06);
}

.article-card {
  padding: clamp(24px, 4vw, 48px);
}

.article-card h2 {
  margin: 44px 0 14px;
  color: #111827;
  font-size: clamp(1.75rem, 2.6vw, 2.45rem);
  line-height: 1.12;
}

.article-card h3 {
  margin: 28px 0 10px;
  color: #111827;
  font-size: 1.25rem;
}

.article-card p,
.article-card li {
  color: #536579;
  font-size: 1.02rem;
}

.article-card p {
  margin: 0 0 18px;
}

.article-card ul,
.article-card ol {
  display: grid;
  gap: 10px;
  margin: 16px 0 24px;
  padding-left: 22px;
}

.callout {
  margin: 30px 0;
  padding: 22px;
  color: #0d3b5e;
  background: #eef8f7;
  border: 1px solid #cbeeea;
  border-radius: 8px;
}

.callout strong {
  display: block;
  margin-bottom: 6px;
  color: #0d3b5e;
  font-size: 1.08rem;
}

.article-visual {
  margin: 34px 0;
  border: 1px solid #dce7f1;
  border-radius: 8px;
  overflow: hidden;
}

.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 22px 0 30px;
}

.roadmap-grid article {
  padding: 20px;
  background: #f8fbfd;
  border: 1px solid #dce7f1;
  border-radius: 8px;
}

.roadmap-grid span {
  display: inline-flex;
  margin-bottom: 12px;
  color: #006d77;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.trap-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 22px 0 30px;
}

.trap-grid article {
  padding: 18px;
  background: linear-gradient(180deg, #fff, #f8fbfd);
  border: 1px solid #dce7f1;
  border-radius: 8px;
}

.trap-grid strong {
  display: block;
  margin-bottom: 8px;
  color: #0d3b5e;
  font-size: 1rem;
}

.trap-grid p {
  margin: 0;
}

.evidence-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 28px;
}

.evidence-strip span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 12px;
  color: #0f766e;
  background: #ecfdf5;
  border: 1px solid #bbf7d0;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 850;
}

.mini-scenario {
  margin: 24px 0 30px;
  padding: clamp(20px, 3vw, 28px);
  background:
    linear-gradient(135deg, rgba(13, 59, 94, 0.06), rgba(20, 184, 166, 0.08)),
    #fff;
  border: 1px solid #cfe2ee;
  border-radius: 8px;
}

.mini-scenario ol {
  padding-left: 26px;
}

.reference-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding-left: 0;
  list-style: none;
}

.reference-list a,
.article-card a {
  color: #0d3b5e;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.blog-sidebar {
  display: grid;
  align-content: start;
  gap: 18px;
}

.toc-card,
.reference-card {
  padding: 22px;
  position: sticky;
  top: 98px;
}

.reference-card {
  position: static;
}

.toc-card strong,
.reference-card strong {
  display: block;
  color: #111827;
  font-size: 1.05rem;
}

.toc-card a {
  display: block;
  margin-top: 12px;
  color: #536579;
  font-weight: 720;
}

.next-action {
  display: grid;
  gap: 14px;
  margin-top: 38px;
  padding: 26px;
  color: #fff;
  background: linear-gradient(135deg, #0d3b5e, #006d77);
  border-radius: 8px;
}

.next-action h2,
.next-action p {
  color: #fff;
  margin: 0;
}

.next-action .button {
  width: fit-content;
  color: #0d3b5e;
  background: #fff;
}

@media (max-width: 980px) {
  .blog-hero-inner,
  .blog-layout {
    grid-template-columns: 1fr;
  }

  .toc-card {
    position: static;
  }
}

@media (max-width: 680px) {
  .blog-layout {
    padding-left: 16px;
    padding-right: 16px;
  }

  .roadmap-grid {
    grid-template-columns: 1fr;
  }

  .trap-grid {
    grid-template-columns: 1fr;
  }

  .next-action .button {
    width: 100%;
  }
}