.content-shell {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 20px 16px 40px;
}

.content-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.content-top .brand {
  display: flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.content-top strong {
  font-family: var(--font-display);
  font-size: 1.4rem;
  display: block;
}

.content-top p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.content-nav,
.content-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.content-nav a,
.content-footer a {
  color: var(--accent-2);
  font-weight: 700;
  text-decoration: none;
}

.content-main {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.content-main h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  letter-spacing: -0.03em;
}

.content-body {
  line-height: 1.65;
  color: var(--text);
}

.content-body img,
.content-body .cover {
  max-width: 100%;
  border-radius: 14px;
  margin: 8px 0 16px;
}

.content-footer {
  margin-top: 28px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
}

.blog-grid {
  display: grid;
  gap: 14px;
}

.blog-card {
  display: grid;
  gap: 8px;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  background: color-mix(in srgb, var(--text) 3%, transparent);
}

.blog-card img {
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  border-radius: 12px;
}

.blog-card h2 {
  margin: 0;
  font-size: 1.15rem;
}

.blog-card p {
  margin: 0;
  color: var(--muted);
}

.seo-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.seo-table th,
.seo-table td {
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  text-align: left;
}

.seo-table a {
  color: var(--accent-2);
  font-weight: 700;
  text-decoration: none;
}

.guide-grid {
  display: grid;
  gap: 14px;
}

.guide-grid article {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--text) 3%, transparent);
}

.guide-grid h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.guide-grid ol {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.subscribe-box {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.email-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.email-form input {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  background: var(--bg-2);
  color: var(--text);
}

.email-form button,
.subscribe-box .primary-btn {
  border: 0;
  border-radius: 12px;
  padding: 12px 16px;
  font: inherit;
  font-weight: 700;
  background: var(--accent);
  color: var(--chip-active-text);
  cursor: pointer;
}

@media (max-width: 640px) {
  .email-form { grid-template-columns: 1fr; }
  .seo-table { display: block; overflow-x: auto; }
}