/**
 * 静态页面独立样式 - 与主应用 token 一致（专业可信赖）
 * 版本: 6.0.0 - 配色全面升级为深蓝色系
 *
 * - 主色深蓝（专业可信赖）
 * - 微软雅黑 + 系统中文字体
 * - 冷灰背景（适合长时间阅读）
 * - 布局紧凑、层次分明
 */

/* 与主应用 tokens 对齐 */
:root {
  --static-primary: #1e40af;
  --static-primary-hover: #1e3a8a;
  --static-primary-light: #3b82f6;
  --static-primary-hex: #1e40af;

  --static-background: #f8fafc;
  --static-foreground: #1e293b;
  --static-card: rgba(255, 255, 255, 0.9);
  --static-muted: #f1f5f9;
  --static-muted-foreground: #64748b;
  --static-border: #e2e8f0;

  --static-success: #16a34a;
  --static-warning: #d97706;
  --static-destructive: #dc2626;

  --static-shadow: 0 2px 14px rgba(30, 41, 59, 0.08), 0 1px 4px rgba(30, 41, 59, 0.04);
  --static-shadow-hover: 0 10px 28px rgba(30, 41, 59, 0.12), 0 3px 10px rgba(30, 41, 59, 0.06);

  --static-radius-sm: 0.375rem;
  --static-radius-md: 0.5rem;
  --static-radius-lg: 0.625rem;
  --static-radius-xl: 0.75rem;
  --static-radius-2xl: 1rem;
}

html {
  background: var(--static-background);
}

@view-transition {
  navigation: auto;
}

body {
  background: var(--static-background);
  min-height: 100vh;
  overscroll-behavior: none;
  -webkit-overflow-scrolling: touch;
}

body.is-page-leaving {
  transform: translateY(4px);
  transition: transform 0.18s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 2147483647;
  background: var(--static-background);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s cubic-bezier(0.22, 1, 0.36, 1);
}

body.is-page-leaving::after {
  opacity: 1;
}

.static-container {
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, #ffffff 0%, var(--static-background) 100%);
  border-radius: var(--static-radius-xl);
  padding: clamp(1rem, 2.5vw, 1.5rem) clamp(1rem, 4vw, 1.5rem);
  animation: pageFadeIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.static-nav-bar {
  animation: navFadeIn 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.1s both;
}

@keyframes navFadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== 基础重置与移动端优化 ==================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  overscroll-behavior: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* 基础样式 - 与主应用一致（中文优先使用微软雅黑） */
body {
  font-family: "Microsoft YaHei", "微软雅黑", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

.static-container {
  max-width: 48rem;
  margin: 0 auto;
  padding: clamp(1rem, 2.5vw, 1.5rem) clamp(1rem, 4vw, 1.5rem);
  line-height: 1.6;
  color: var(--static-foreground);
}



/* 标题 - 实色主色，无渐变，紧凑 */
.static-container h1 {
  font-size: clamp(1.35rem, 1.2rem + 0.75vw, 1.75rem);
  font-weight: 700;
  color: var(--static-primary);
  margin-bottom: 0.35rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.static-subtitle {
  font-size: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  color: var(--static-muted-foreground);
  margin-bottom: 1rem;
}

.static-container h2 {
  font-size: clamp(1.1rem, 1rem + 0.5vw, 1.25rem);
  font-weight: 600;
  color: var(--static-primary);
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--static-border);
}

.static-container h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--static-foreground);
  margin-top: 0.75rem;
  margin-bottom: 0.35rem;
}

/* 段落和列表 - 紧凑 */
.static-container p {
  margin-bottom: 0.5rem;
  color: var(--static-muted-foreground);
}

.static-container ul,
.static-container ol {
  margin-bottom: 0.5rem;
  padding-left: 1.25rem;
}

.static-container li {
  margin-bottom: 0.25rem;
  color: var(--static-muted-foreground);
}

/* 链接 */
.static-container a {
  color: var(--static-primary);
  text-decoration: underline;
  text-decoration-color: var(--static-primary-light);
  text-underline-offset: 2px;
  transition: color 0.2s ease;
  font-weight: 500;
}

.static-container a:hover {
  color: var(--static-primary-hover);
}

/* 卡片 - 紧凑、轻阴影、悬停微上浮 */
.static-card {
  background: var(--static-card);
  border: 1px solid var(--static-border);
  border-radius: var(--static-radius-xl);
  padding: clamp(0.75rem, 1.5vw, 1rem) clamp(1rem, 2vw, 1.25rem);
  margin-bottom: 0.75rem;
  box-shadow: var(--static-shadow);
  transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.static-card:hover {
  box-shadow: var(--static-shadow-hover);
  border-color: var(--static-primary-light);
  transform: translateY(-2px);
}

.static-card h3 {
  margin-top: 0;
  color: var(--static-foreground);
}

/* 网格 - 紧凑 */
.static-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

/* POI 列表 */
.static-poi-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.static-poi-item {
  background: var(--static-muted);
  border: 1px solid var(--static-border);
  border-radius: var(--static-radius-md);
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  color: var(--static-muted-foreground);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.static-poi-item:hover {
  border-color: var(--static-primary-light);
  box-shadow: var(--static-shadow);
}

.static-poi-item code {
  background: var(--static-card);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
  font-size: 13px;
  color: var(--static-primary);
  font-weight: 600;
}

/* 代码块 - Corporate Trust 风格 */
.static-container code {
  background: var(--static-muted);
  padding: 3px 8px;
  border-radius: var(--static-radius-sm);
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
  font-size: 14px;
  color: var(--static-primary);
  border: 1px solid var(--static-border);
}

.static-container pre {
  background: #1f2937;
  color: #fafaf9;
  padding: 1rem 1.25rem;
  border-radius: var(--static-radius-lg);
  overflow-x: auto;
  margin-bottom: 0.75rem;
  border: 1px solid var(--static-border);
  box-shadow: var(--static-shadow);
}

.static-container pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  border: none;
}

/* 提示框 - 紧凑 */
.static-alert {
  padding: 0.75rem 1rem;
  border-radius: var(--static-radius-lg);
  margin-bottom: 0.75rem;
  border-left: 4px solid;
  box-shadow: var(--static-shadow);
}

.static-alert-info {
  background: rgba(30, 64, 175, 0.08);
  border-color: var(--static-primary);
  color: var(--static-primary-hover);
}

.static-alert-warning {
  background: rgba(217, 119, 6, 0.08);
  border-color: var(--static-warning);
  color: #b45309;
}

.static-alert-success {
  background: rgba(22, 163, 74, 0.08);
  border-color: var(--static-success);
  color: #15803d;
}

/* CTA - 主色实色块，无渐变 */
.static-cta-section {
  background: var(--static-primary);
  color: #ffffff;
  padding: clamp(1.5rem, 3vw, 2rem) clamp(1.25rem, 2.5vw, 1.5rem);
  border-radius: var(--static-radius-xl);
  text-align: center;
  margin-top: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--static-shadow-hover);
}

.static-cta-section h2 {
  color: #ffffff;
  border: none;
  margin-top: 0;
  margin-bottom: 0.5rem;
  padding-bottom: 0;
  background: none;
  -webkit-text-fill-color: unset;
}

.static-cta-section p {
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 1rem;
  font-size: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
}

.static-cta-button {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  margin: 0.25rem;
  background: #ffffff;
  color: var(--static-primary);
  text-decoration: none !important;
  border-radius: var(--static-radius-lg);
  font-weight: 600;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: var(--static-shadow);
}

.static-cta-button:hover {
  background: var(--static-muted);
  color: var(--static-primary-hover);
  box-shadow: var(--static-shadow-hover);
}

/* 案例卡片 - 紧凑、轻阴影 */
.static-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.static-case-card {
  background: var(--static-card);
  border: 1px solid var(--static-border);
  border-radius: var(--static-radius-xl);
  padding: clamp(1rem, 1.5vw, 1.25rem);
  transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: var(--static-shadow);
  will-change: transform;
}

.static-case-card:hover {
  box-shadow: var(--static-shadow-hover);
  border-color: var(--static-primary-light);
  transform: translateY(-2px);
}

.static-case-title {
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  font-weight: 600;
  color: var(--static-primary);
  margin-bottom: 0.5rem;
}

.static-case-desc {
  color: var(--static-muted-foreground);
  margin-bottom: 0.75rem;
  line-height: 1.55;
  font-size: 0.875rem;
}

.static-case-steps {
  background: var(--static-muted);
  padding: 0.75rem 1rem;
  border-radius: var(--static-radius-md);
  font-size: 0.8125rem;
  border: 1px solid var(--static-border);
}

.static-case-steps strong {
  color: var(--static-primary);
  display: block;
  margin-bottom: 8px;
}

.static-case-steps ol {
  margin: 0;
  padding-left: 20px;
}

.static-case-steps li {
  margin-bottom: 6px;
  color: var(--static-muted-foreground);
}

/* 响应式 - 保持紧凑 */
@media (max-width: 768px) {
  .static-container h1 {
    font-size: 1.35rem;
  }

  .static-container h2 {
    font-size: 1.1rem;
  }

  .static-grid-2,
  .static-poi-list,
  .static-case-grid {
    grid-template-columns: 1fr;
  }

  .static-cta-button {
    display: block;
    margin: 0.35rem 0;
  }
}

/* 页脚 - 与主应用一致 */
.static-footer {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: none;
  text-align: center;
  color: var(--static-muted-foreground);
  font-size: 0.8125rem;
}

.static-footer p {
  margin-bottom: 0.35rem;
}

.static-container .static-footer a {
  color: var(--static-primary);
  text-decoration: none;
  transition: all 0.2s ease;
  font-weight: 500;
}

.static-container .static-footer a:hover {
  color: var(--static-primary-hover);
  text-decoration: underline;
}

.footer-separator,
.mx-2 {
  margin: 0 0.5rem;
  color: var(--static-muted-foreground);
}

.footer-copyright {
  color: var(--static-muted-foreground);
  opacity: 0.88;
  font-size: 0.75rem;
  margin-top: 0.35rem;
  margin-bottom: 0;
}

/* 打印样式 */
@media print {
  .static-cta-section {
    display: none;
  }

  .static-container {
    max-width: 100%;
  }

  .static-card {
    break-inside: avoid;
  }
}

/* FAQ 页面紧凑布局（仅影响 faq.html） */
.static-container.static-faq {
  padding: 22px 18px;
}

.static-container.static-faq .faq-category.faq-cat {
  --faq-accent: var(--static-primary);
  --faq-accent-soft: rgba(13, 148, 136, 0.12);
  border-left: 3px solid var(--faq-accent);
  padding-left: 0.75rem;
  margin-left: 2px;
}

.static-container.static-faq .faq-category.faq-cat > h2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--faq-accent);
  border-bottom-color: var(--static-border);
}

/* FAQ：去掉“大类标题”下方分割线（仅 FAQ 页面） */
.static-container.static-faq .faq-category.faq-cat > h2,
.static-container.static-faq h2 {
  border-bottom: none;
}

.static-container.static-faq .faq-cat-icon {
  width: 1.75rem;
  height: 1.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--static-radius-md);
  background: var(--faq-accent-soft);
  color: var(--faq-accent);
  flex-shrink: 0;
  box-shadow: var(--static-shadow);
}

.static-container.static-faq .faq-category.faq-cat .faq-question {
  color: var(--faq-accent);
}

.static-container.static-faq .faq-category.faq-cat .faq-question::after {
  color: var(--faq-accent);
}

.static-container.static-faq .faq-category.faq-cat .faq-question:hover {
  background: var(--faq-accent-soft);
}

.static-container.static-faq .faq-category.faq-cat .faq-question.active {
  background: var(--faq-accent-soft);
  color: var(--faq-accent);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}

.static-container.static-faq .faq-category.faq-cat .faq-answer code {
  border-color: var(--static-border);
}

/* 分类配色 - 主类蓝色，其余语义色 */
.static-container.static-faq .faq-cat--key {
  --faq-accent: var(--static-primary);
  --faq-accent-soft: rgba(30, 64, 175, 0.08);
}

.static-container.static-faq .faq-cat--collect {
  --faq-accent: #0ea5e9;
  --faq-accent-soft: rgba(14, 165, 233, 0.08);
}

.static-container.static-faq .faq-cat--export {
  --faq-accent: var(--static-success);
  --faq-accent-soft: rgba(22, 163, 74, 0.08);
}

.static-container.static-faq .faq-cat--tips {
  --faq-accent: var(--static-warning);
  --faq-accent-soft: rgba(217, 119, 6, 0.08);
}

.static-container.static-faq .faq-cat--scenarios {
  --faq-accent: #8b5cf6;
  --faq-accent-soft: rgba(139, 92, 246, 0.08);
}

.static-container.static-faq .faq-cat--tech {
  --faq-accent: var(--static-destructive);
  --faq-accent-soft: rgba(220, 38, 38, 0.08);
}

.static-container.static-faq .static-subtitle {
  margin-bottom: 14px;
}

.static-container.static-faq h2 {
  margin-top: 18px;
  margin-bottom: 10px;
  padding-bottom: 6px;
}

.static-container.static-faq .faq-category {
  margin-bottom: 24px;
}

.static-container.static-faq .faq-item {
  margin-bottom: 10px;
}

.static-container.static-faq .faq-question {
  padding: 14px 18px;
  padding-right: 44px;
  font-size: 15px;
}

.static-container.static-faq .faq-question::after {
  right: 18px;
  font-size: 22px;
}

.static-container.static-faq .faq-answer {
  padding: 0 18px;
}

.static-container.static-faq .faq-answer.active {
  padding: 14px 18px 16px;
}

.static-container.static-faq .faq-answer p {
  margin-bottom: 8px;
  line-height: 1.65;
}

.static-container.static-faq .faq-answer ul,
.static-container.static-faq .faq-answer ol {
  margin-bottom: 10px;
  padding-left: 20px;
}

.static-container.static-faq .faq-answer li {
  margin-bottom: 6px;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .static-container.static-faq {
    padding: 20px 14px;
  }

  .static-container.static-faq .faq-question {
    padding: 12px 14px;
    padding-right: 40px;
    font-size: 14px;
  }

  .static-container.static-faq .faq-question::after {
    right: 14px;
  }

  .static-container.static-faq .faq-answer {
    padding: 0 14px;
  }

  .static-container.static-faq .faq-answer.active {
    padding: 12px 14px 14px;
  }
}

/* Help 页面：更清晰整齐（仅影响 help.html） */
.static-container.static-help .help-section h2 {
  margin-top: 6px;
}

.static-container.static-help .help-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

.static-container.static-help .help-step-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.static-container.static-help .help-step-card {
  background: var(--static-muted);
  border: 1px solid var(--static-border);
  border-radius: var(--static-radius-lg);
  padding: 0.65rem 0.75rem 0.5rem;
}

.static-container.static-help .help-step-card-full {
  padding: 0.75rem 1rem 0.75rem;
}

.static-container.static-help .help-step-card-full .help-detail-block {
  margin-top: 14px;
}

.static-container.static-help .help-step-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.static-container.static-help .help-step-index {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 9999px;
  background: var(--static-primary);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8125rem;
  flex-shrink: 0;
  box-shadow: var(--static-shadow);
}

.static-container.static-help .help-step-title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--static-foreground);
}

.static-container.static-help .help-step-desc {
  margin: 0 0 8px 0;
  color: var(--static-muted-foreground);
  font-size: 13px;
  line-height: 1.55;
}

.static-container.static-help .help-step-card-full .help-step-desc {
  margin-bottom: 0;
}

.static-container.static-help .help-links {
  margin-top: 0.75rem;
  padding-top: 0.65rem;
  border-top: 1px dashed var(--static-border);
}

.static-container.static-help .help-links-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--static-foreground);
  margin-bottom: 8px;
}

.static-container.static-help .help-links-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.static-container.static-help .help-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--static-radius-lg);
  background: var(--static-card);
  border: 1px solid var(--static-border);
  text-decoration: none;
  color: var(--static-primary);
  font-weight: 600;
  font-size: 0.8125rem;
  box-shadow: var(--static-shadow);
}

.static-container.static-help .help-link::after {
  content: '↗';
  color: var(--static-muted-foreground);
  font-weight: 700;
}

.static-container.static-help .help-link:hover {
  background: rgba(30, 64, 175, 0.06);
  border-color: rgba(30, 64, 175, 0.25);
}

@media (max-width: 768px) {
  .static-container.static-help .help-steps {
    gap: 10px;
  }

  .static-container.static-help .help-step-row {
    grid-template-columns: 1fr;
  }

  .static-container.static-help .help-links-grid {
    grid-template-columns: 1fr;
  }
}

/* FAQ 样式 - 紧凑一致 */
.faq-category {
  margin-bottom: 1.5rem;
}

.faq-item {
  margin-bottom: 0.75rem;
  border: 1px solid var(--static-border);
  border-radius: var(--static-radius-lg);
  overflow: hidden;
  background: var(--static-card);
  box-shadow: var(--static-shadow);
  transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.faq-item:hover {
  box-shadow: var(--static-shadow-hover);
  border-color: var(--static-primary-light);
  transform: translateY(-1px);
}

.faq-question {
  padding: 0.75rem 1rem;
  padding-right: 2.5rem;
  font-size: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
  font-weight: 600;
  color: var(--static-primary);
  cursor: pointer;
  background: rgba(13, 148, 136, 0.04);
  border-bottom: 1px solid var(--static-border);
  transition: background 0.2s ease, color 0.2s ease;
  position: relative;
}

.faq-question::after {
  content: '+';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--static-primary);
  transition: transform 0.25s ease;
}

.faq-question.active::after {
  content: '−';
  transform: translateY(-50%) rotate(180deg);
}

.faq-question:hover {
  background: rgba(30, 64, 175, 0.06);
  color: var(--static-primary-hover);
}

.faq-question.active {
  background: rgba(30, 64, 175, 0.08);
  color: var(--static-primary-hover);
  border-bottom-color: var(--static-primary-light);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1rem;
  background: var(--static-card);
}

.faq-answer.active {
  max-height: 2000px;
  padding: 0.75rem 1rem 1rem;
}

.faq-answer p {
  margin-bottom: 0.5rem;
  color: var(--static-muted-foreground);
  line-height: 1.6;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-answer ul,
.faq-answer ol {
  margin-bottom: 0.5rem;
  padding-left: 1.25rem;
}

.faq-answer li {
  margin-bottom: 0.25rem;
  color: var(--static-muted-foreground);
  line-height: 1.55;
}

.faq-answer code {
  background: var(--static-muted);
  padding: 2px 6px;
  border-radius: var(--static-radius-sm);
  font-size: 0.8125rem;
  color: var(--static-primary);
  font-weight: 600;
}

/* FAQ 通用 */
.faq-category:last-of-type {
  margin-bottom: 1.5rem;
}

/* 帮助页面详细内容区域 */
.help-detail-block {
  margin-top: 12px;
  padding: 14px;
  background: var(--static-card);
  border: 1px solid var(--static-border);
  border-radius: var(--static-radius-md);
}

.help-detail-block h4 {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--static-primary);
  margin: 0 0 12px 0;
}

.help-detail-list {
  margin: 0;
  padding-left: 18px;
}

.help-detail-list > li {
  margin-bottom: 10px;
  color: var(--static-muted-foreground);
  font-size: 13px;
  line-height: 1.55;
}

.help-detail-list > li:last-child {
  margin-bottom: 0;
}

.help-detail-list > li > ul {
  margin-top: 6px;
  margin-bottom: 0;
  padding-left: 20px;
}

.help-detail-list > li > ul > li {
  margin-bottom: 4px;
  font-size: 12.5px;
}

.help-tip {
  margin-top: 12px !important;
  margin-bottom: 0 !important;
  padding: 10px 12px;
  background: rgba(22, 163, 74, 0.08);
  border-radius: var(--static-radius-sm);
  font-size: 12.5px;
  color: #15803d;
  line-height: 1.5;
}

.help-tip strong {
  color: #15803d;
}

/* ==================== Navigation Bar (Immersive Container-Aligned) ==================== */

.static-nav-bar {
  position: sticky;
  top: 0.75rem;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 42rem;
  margin: 0 auto;
  padding: 0.5rem 0.75rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--static-radius-xl);
  border: 1px solid rgba(30, 64, 175, 0.2);
  box-shadow: 0 4px 20px rgba(30, 64, 175, 0.12), 0 2px 6px rgba(0, 0, 0, 0.05);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.static-nav-bar:hover {
  box-shadow: 0 6px 28px rgba(30, 64, 175, 0.16), 0 3px 8px rgba(0, 0, 0, 0.06);
}

.static-nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--static-muted-foreground);
  text-decoration: none;
  border-radius: var(--static-radius-lg);
  transition:
    color 0.22s cubic-bezier(0.22, 1, 0.36, 1),
    background-color 0.22s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
  white-space: nowrap;
}

.static-nav-link::before {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--static-primary), var(--static-primary-light));
  border-radius: 9999px;
  transform: translateX(-50%);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.static-nav-link:hover {
  color: var(--static-primary);
  background-color: rgba(30, 64, 175, 0.06);
}

.static-nav-link:hover::before {
  width: calc(100% - 1.75rem);
}

.static-nav-link:active {
  transform: scale(0.97);
}

.static-nav-link.active {
  color: var(--static-primary);
  background-color: rgba(30, 64, 175, 0.1);
  font-weight: 600;
}

.static-nav-link.active::before {
  width: calc(100% - 1.75rem);
}

.static-nav-link svg {
  width: 14px;
  height: 14px;
  opacity: 0.7;
  transition: opacity 0.22s ease, transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

.static-nav-link:hover svg {
  opacity: 1;
  transform: scale(1.1);
}

@media (max-width: 768px) {
  .static-nav-bar {
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 0;
    padding: 0.375rem 0.5rem;
    border-radius: var(--static-radius-xl);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .static-nav-bar::-webkit-scrollbar {
    display: none;
  }

  .static-nav-link {
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
  }

  .static-nav-link::before {
    bottom: 2px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation-duration: 240ms;
    animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
  }

  ::view-transition-old(root) {
    animation-name: static-page-fade-out;
  }

  ::view-transition-new(root) {
    animation-name: static-page-fade-in;
  }
}

@keyframes static-page-fade-out {
  from {
    opacity: 1;
    transform: translateY(0);
  }

  to {
    opacity: 0.08;
    transform: translateY(4px);
  }
}

@keyframes static-page-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}