/* SEO 内容区域样式 - 统一使用 .wrap-extra-sections 包装器；兼容历史的 .seo-content-wrapper */

.wrap-extra-sections,
.seo-content-wrapper {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.2rem 2.4rem;
}

.wrap-extra-sections .seo-section,
.seo-content-wrapper .seo-section {
  margin: 1.4rem 0 0;
  background: var(--card, rgba(255, 255, 255, 0.72));
  border: 1px solid var(--border-card, rgba(15, 23, 42, 0.08));
  border-radius: 1rem;
  padding: 1.1rem 1.35rem;
  box-shadow: var(--shadow-card, 0 18px 48px -28px rgba(15, 23, 42, 0.22));
  line-height: 1.7;
  color: var(--field-text, #103052);
}

[data-theme='dark'] .wrap-extra-sections .seo-section,
[data-theme='dark'] .seo-content-wrapper .seo-section {
  background: var(--card, rgba(26,31,46,.78));
  border: 1px solid var(--border-card, rgba(255,255,255,.1));
  box-shadow: var(--shadow-card, 0 20px 46px -24px rgba(0,0,0,.7));
  color: var(--field-text, #d6e9ff);
}

@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .wrap-extra-sections .seo-section,
  .seo-content-wrapper .seo-section {
    -webkit-backdrop-filter: blur(var(--glass-blur, 16px)) saturate(var(--glass-sat, 160%)) brightness(var(--glass-brightness, 105%));
    backdrop-filter: blur(var(--glass-blur, 16px)) saturate(var(--glass-sat, 160%)) brightness(var(--glass-brightness, 105%));
  }
}

.wrap-extra-sections .seo-section h2,
.seo-content-wrapper .seo-section h2 {
  margin: 0 0 .6rem;
  font-size: 1.08rem;
  font-weight: 800;
  color: #0b4f8a;
}

[data-theme='dark'] .wrap-extra-sections .seo-section h2,
[data-theme='dark'] .seo-content-wrapper .seo-section h2 {
  color: #d6e9ff;
}

.wrap-extra-sections .seo-section .tagline,
.seo-content-wrapper .seo-section .tagline {
  font-size: .82rem;
  font-weight: 600;
  color: #0f4c81;
  margin: .2rem 0 .55rem;
}

[data-theme='dark'] .wrap-extra-sections .seo-section .tagline,
[data-theme='dark'] .seo-content-wrapper .seo-section .tagline {
  color: #9ec9ff;
}

.wrap-extra-sections .seo-section ul,
.seo-content-wrapper .seo-section ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: .78rem;
}

.wrap-extra-sections .seo-section li,
.seo-content-wrapper .seo-section li {
  margin: .3rem 0;
  color: #16324f;
}

[data-theme='dark'] .wrap-extra-sections .seo-section li,
[data-theme='dark'] .seo-content-wrapper .seo-section li {
  color: #d6e9ff;
}

.wrap-extra-sections .seo-section.howto ol,
.seo-content-wrapper .seo-section.howto ol {
  margin: 0;
  padding-left: 1.15rem;
  font-size: .78rem;
}

.wrap-extra-sections .seo-section.howto li,
.seo-content-wrapper .seo-section.howto li {
  margin: .38rem 0;
}

.wrap-extra-sections .seo-section.howto .step-title,
.seo-content-wrapper .seo-section.howto .step-title {
  display: block;
  font-weight: 700;
  color: #0b4f8a;
  margin: 0 0 .15rem;
}

[data-theme='dark'] .wrap-extra-sections .seo-section.howto .step-title,
[data-theme='dark'] .seo-content-wrapper .seo-section.howto .step-title {
  color: #bcd8ff;
}

.wrap-extra-sections .seo-section.faq details,
.seo-content-wrapper .seo-section.faq details {
  margin: .42rem 0;
  border: 1px solid rgba(32,107,196,.16);
  border-radius: .75rem;
  padding: .55rem .7rem;
  background: rgba(32,107,196,.05);
}

[data-theme='dark'] .wrap-extra-sections .seo-section.faq details,
[data-theme='dark'] .seo-content-wrapper .seo-section.faq details {
  border-color: rgba(74,158,255,.28);
  background: rgba(74,158,255,.12);
}

.wrap-extra-sections .seo-section.faq summary,
.seo-content-wrapper .seo-section.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: #0b4f8a;
}

[data-theme='dark'] .wrap-extra-sections .seo-section.faq summary,
[data-theme='dark'] .seo-content-wrapper .seo-section.faq summary {
  color: #d6e9ff;
}

.wrap-extra-sections .seo-section.faq p,
.seo-content-wrapper .seo-section.faq p {
  margin: .35rem 0 0;
  font-size: .75rem;
  line-height: 1.6;
  color: #475569;
}

[data-theme='dark'] .wrap-extra-sections .seo-section.faq p,
[data-theme='dark'] .seo-content-wrapper .seo-section.faq p {
  color: #d0e6ff;
}

.wrap-extra-sections .last-updated-badge,
.seo-content-wrapper .last-updated-badge {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .35rem .65rem;
  border-radius: .75rem;
  background: linear-gradient(135deg,rgba(32,107,196,.16),rgba(32,107,196,.26));
  color: #0b4f8a;
  font-size: .72rem;
  font-weight: 600;
  box-shadow: 0 4px 14px -8px rgba(32,107,196,.45);
  margin-bottom: .55rem;
}

[data-theme='dark'] .wrap-extra-sections .last-updated-badge,
[data-theme='dark'] .seo-content-wrapper .last-updated-badge {
  background: linear-gradient(135deg,rgba(74,158,255,.24),rgba(74,158,255,.32));
  color: #d6e9ff;
  box-shadow: 0 4px 14px -10px rgba(0,0,0,.6);
}

.wrap-extra-sections .last-updated-badge .label,
.seo-content-wrapper .last-updated-badge .label {
  text-transform: uppercase;
  font-size: .68rem;
  letter-spacing: .5px;
}

.wrap-extra-sections .last-updated-badge time,
.seo-content-wrapper .last-updated-badge time {
  font-variant-numeric: tabular-nums;
}

.wrap-extra-sections .last-updated-badge .brand,
.seo-content-wrapper .last-updated-badge .brand {
  color: rgba(11,79,138,.75);
}

[data-theme='dark'] .wrap-extra-sections .last-updated-badge .brand,
[data-theme='dark'] .seo-content-wrapper .last-updated-badge .brand {
  color: rgba(214,233,255,.78);
}

.wrap-extra-sections .features-grid,
.seo-content-wrapper .features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: .9rem;
}

@media (max-width: 1100px) {
  .wrap-extra-sections .features-grid,
  .seo-content-wrapper .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .wrap-extra-sections .features-grid,
  .seo-content-wrapper .features-grid {
    grid-template-columns: 1fr;
  }
}

.wrap-extra-sections .feature-item,
.seo-content-wrapper .feature-item {
  background: var(--card);
  border: 1px solid var(--border-card);
  border-radius: .85rem;
  padding: .9rem .95rem;
  line-height: 1.6;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}

[data-theme='dark'] .wrap-extra-sections .feature-item,
[data-theme='dark'] .seo-content-wrapper .feature-item {
  background: rgba(22,29,44,.9);
  border-color: rgba(74,158,255,.28);
}

.wrap-extra-sections .feature-item:hover,
.seo-content-wrapper .feature-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -18px rgba(32,107,196,.45);
  border-color: rgba(32,107,196,.35);
}

[data-theme='dark'] .wrap-extra-sections .feature-item:hover,
[data-theme='dark'] .seo-content-wrapper .feature-item:hover {
  box-shadow: 0 12px 30px -18px rgba(0,0,0,.7);
  border-color: rgba(74,158,255,.38);
}

.wrap-extra-sections .feature-item h3,
.seo-content-wrapper .feature-item h3 {
  margin: 0 0 .35rem;
  font-size: 1rem;
  font-weight: 800;
  color: #0b4f8a;
}

[data-theme='dark'] .wrap-extra-sections .feature-item h3,
[data-theme='dark'] .seo-content-wrapper .feature-item h3 {
  color: #d6e9ff;
}

.wrap-extra-sections .feature-item p,
.seo-content-wrapper .feature-item p {
  margin: 0;
  font-size: .82rem;
  color: #475569;
}

[data-theme='dark'] .wrap-extra-sections .feature-item p,
[data-theme='dark'] .seo-content-wrapper .feature-item p {
  color: #cbdcf5;
}