.info-page {
  background: #fff;
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 8px 24px rgba(31, 36, 48, 0.06);
  margin: 20px 0 40px;
}

.info-page h1 {
  font-size: 28px;
  margin: 0 0 12px;
}

.info-page h2 {
  font-size: 24px;
  text-align: left;
  margin: 32px 0 12px;
}

.info-page h2:first-of-type {
  margin-top: 24px;
}

.info-lead {
  color: #616a7d;
  line-height: 1.7;
  margin: 0 0 4px;
}

.info-updated {
  font-size: 0.82rem;
  color: #b0b6c4;
  margin: 0 0 8px;
}

.info-page p {
  line-height: 1.7;
  color: #3a4152;
  margin: 0 0 12px;
}

.info-page ul,
.info-page ol {
  padding-left: 20px;
  line-height: 1.8;
  color: #3a4152;
  margin: 0 0 12px;
}

.info-page li {
  margin-bottom: 4px;
}

.info-page a {
  color: #2f6bff;
  font-weight: 600;
}

.info-page a:hover {
  text-decoration: underline;
}

.info-page code {
  background: #f2f4f9;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  word-break: break-all;
  overflow-wrap: anywhere;
}

.usage-content pre {
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.info-steps li {
  margin-bottom: 10px;
}

.faq-item {
  padding: 14px 0;
  border-top: 1px solid #eef1f8;
}

.faq-item:first-child {
  border-top: none;
}

.faq-q {
  font-weight: 700;
  margin: 0 0 6px;
}

.faq-a {
  margin: 0;
  color: #616a7d;
}

.info-more {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid #eef1f8;
  font-size: 0.92rem;
}

.contact-card {
  text-align: center;
  background: #eef3ff;
  border-radius: 16px;
  padding: 32px 24px;
  margin: 20px 0 32px;
}

.contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #fff;
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.contact-card h2 {
  margin: 0 0 8px !important;
}

.contact-card p {
  color: #616a7d;
  margin: 0 0 20px !important;
}

.info-page a.contact-btn {
  display: inline-block;
  width: auto;
  padding: 12px 28px;
  background: #fee500;
  color: #1f2430;
  text-decoration: none;
}

.info-page a.contact-btn:hover {
  background: #f5da00;
  text-decoration: none;
}

.usage-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 20px;
}

.info-page a.usage-card {
  display: block;
  padding: 20px 22px;
  border: 1px solid #eef1f8;
  border-radius: 12px;
  font-weight: 400;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.info-page a.usage-card.has-thumbnail {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 22px;
}

.usage-card-thumbnail {
  flex: none;
  width: 96px;
  height: 96px;
  border-radius: 10px;
  object-fit: cover;
}

.usage-card-body {
  min-width: 0;
}

.info-page a.usage-card:hover {
  border-color: #2f6bff;
  box-shadow: 0 8px 20px rgba(47, 107, 255, 0.1);
  text-decoration: none;
}

.info-page .usage-card h2 {
  margin: 4px 0 8px;
  color: #1f2430;
}

.usage-date {
  font-size: 0.78rem;
  color: #b0b6c4;
  margin: 0;
}

.usage-summary {
  color: #616a7d;
  margin: 0;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 28px;
}

.pagination a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border-radius: 8px;
  color: #3a4152;
  font-weight: 500;
  text-decoration: none;
}

.pagination a:hover {
  background: #f2f4f9;
  text-decoration: none;
}

.pagination-page.active {
  background: #2f6bff;
  color: #fff;
  font-weight: 700;
}

.pagination-page.active:hover {
  background: #2f6bff;
}

.pagination-arrow.disabled {
  color: #cfd4e0;
  pointer-events: none;
}

.usage-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 8px 0;
}

.usage-content h1,
.usage-content h2,
.usage-content h3,
.usage-content h4 {
  color: #1f2430;
  font-weight: 700;
  line-height: 1.4;
}

.usage-content h1 {
  font-size: 24px;
  margin: 40px 0 20px;
  padding: 18px 24px;
  border: 2px solid #2f6bff;
  border-radius: 12px;
  background: #f3f6ff;
  text-align: center;
}

.usage-content h1::before,
.usage-content h1::after {
  content: '"';
  color: #2f6bff;
}

.usage-content h2 {
  font-size: 22px;
  margin: 36px 0 14px;
  padding-left: 12px;
  border-left: 4px solid #2f6bff;
}

.usage-content h3 {
  font-size: 19px;
  margin: 28px 0 10px;
}

.usage-content h3::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: #2f6bff;
}

.usage-content h4 {
  font-size: 16px;
  margin: 22px 0 8px;
  color: #3a4152;
}

.usage-content > h1:first-child,
.usage-content > h2:first-child,
.usage-content > h3:first-child,
.usage-content > h4:first-child {
  margin-top: 0;
}

.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid #eef1f8;
}

.post-nav-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid #eef1f8;
  border-radius: 12px;
  min-width: 0;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.post-nav-link:hover {
  border-color: #2f6bff;
  box-shadow: 0 8px 20px rgba(47, 107, 255, 0.1);
  text-decoration: none;
}

.post-nav-next {
  text-align: right;
  align-items: flex-end;
}

.post-nav-empty {
  border: none;
}

.post-nav-label {
  font-size: 0.78rem;
  color: #b0b6c4;
}

.post-nav-title {
  color: #1f2430;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.popular-posts,
.recent-posts {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid #eef1f8;
}

.popular-posts h2,
.recent-posts h2 {
  font-size: 20px !important;
  margin: 0 0 14px !important;
}

.popular-posts-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.popular-posts-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  color: #1f2430;
  font-weight: 500;
}

.popular-posts-list a:hover {
  background: #f6f7fb;
  text-decoration: none;
}

.popular-posts-list img {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
}

.popular-posts-title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.popular-posts-meta {
  flex: none;
  font-size: 0.78rem;
  font-weight: 400;
  color: #b0b6c4;
}

@media (max-width: 640px) {
  .post-nav {
    grid-template-columns: 1fr;
  }

  .post-nav-next {
    text-align: left;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .info-page {
    padding: 24px 18px;
  }

  .info-page a.usage-card.has-thumbnail {
    flex-direction: column;
    align-items: stretch;
  }

  .usage-card-thumbnail {
    width: 100%;
    height: 160px;
  }

  .popular-posts-list a {
    flex-wrap: wrap;
  }

  .popular-posts-meta {
    width: 100%;
    padding-left: 56px;
  }
}