/* 灵狗翻译 (Lingo Translate) - User Guide Stylesheet */
:root {
  --primary-color: #a5b4fc;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.25);
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --surface-soft: #1c2738;
  --surface-muted: #172234;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(255, 255, 255, 0.2);
  --code-bg: #090e1a;
  --code-text: #a5b4fc;
  --accent-cyan: #38bdf8;
  --accent-green: #34d399;
  --accent-amber: #fbbf24;
  --sidebar-w: 260px;
  --header-h: 64px;
}

:root.light-theme {
  --primary-color: #4f46e5;
  --primary-hover: #4338ca;
  --primary-glow: rgba(79, 70, 229, 0.15);
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --surface-soft: #f1f5f9;
  --surface-muted: #e2e8f0;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  --border-color: #e2e8f0;
  --border-hover: #cbd5e1;
  --code-bg: #f1f5f9;
  --code-text: #4f46e5;
  --accent-cyan: #0284c7;
  --accent-green: #059669;
  --accent-amber: #d97706;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 28px);
  overflow-y: scroll;
  scrollbar-gutter: stable;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Accessibility Helpers */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  z-index: 9999;
  background: var(--primary-color);
  color: #0f172a;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Header */
.guide-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background-color: var(--bg-color);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
}

.brand-icon {
  width: 32px;
  height: 32px;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-version {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 9999px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--code-text);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-header {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--surface-soft);
  color: var(--text-main);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-header:hover {
  background: var(--surface-muted);
  border-color: var(--border-hover);
}

/* Theme Toggle Icons */
#guideThemeToggle #themeMoon {
  display: block;
}

#guideThemeToggle #themeSun {
  display: none;
}

:root.light-theme #guideThemeToggle #themeMoon {
  display: none;
}

:root.light-theme #guideThemeToggle #themeSun {
  display: block;
}

/* Custom Language Dropdown for Guide */
.guide-lang-dropdown {
  position: relative;
  display: inline-block;
  width: 128px;
}

.guide-lang-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--surface-soft);
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.guide-lang-btn-left {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  overflow: hidden;
  white-space: nowrap;
}

.guide-lang-btn:hover,
.guide-lang-dropdown.open .guide-lang-btn {
  background: var(--surface-muted);
  border-color: var(--border-hover);
}

.guide-lang-btn .guide-lang-icon {
  color: var(--text-muted);
  flex-shrink: 0;
}

.guide-lang-btn .guide-lang-chevron {
  color: var(--text-dim);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.guide-lang-dropdown.open .guide-lang-chevron {
  transform: rotate(180deg);
}

.guide-lang-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  width: 100%;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 5px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35), 0 4px 12px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  display: none;
  flex-direction: column;
  gap: 2px;
}

:root.light-theme .guide-lang-menu {
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12), 0 4px 12px rgba(15, 23, 42, 0.06);
}

.guide-lang-dropdown.open .guide-lang-menu {
  display: flex;
}

.guide-lang-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 7px 10px;
  border: none;
  background: transparent;
  color: var(--text-main);
  font-size: 0.84rem;
  font-weight: 500;
  text-align: left;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.guide-lang-item:hover {
  background: var(--surface-muted);
}

.guide-lang-item.active {
  color: var(--primary-color);
  font-weight: 600;
  background: rgba(99, 102, 241, 0.08);
}

:root.light-theme .guide-lang-item.active {
  background: rgba(79, 70, 229, 0.08);
}

.guide-lang-item .check-icon {
  font-size: 0.78rem;
  opacity: 0;
  color: var(--primary-color);
  margin-left: 8px;
}

.guide-lang-item.active .check-icon {
  opacity: 1;
}

/* Layout */
.guide-layout {
  display: flex;
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  flex: 1;
  padding: 32px;
  gap: 48px;
}

/* Sticky Sidebar */
.guide-sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--header-h) + 32px);
  max-height: calc(100vh - var(--header-h) - 64px);
  overflow-y: auto;
  padding-right: 12px;
}

.sidebar-title {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 14px;
}

/* Single-Level Sidebar Navigation */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.nav-item:hover {
  color: var(--text-main);
  background: var(--surface-soft);
}

.nav-item.active {
  color: var(--primary-color);
  font-weight: 600;
  background: rgba(99, 102, 241, 0.12);
}

:root.light-theme .nav-item.active {
  background: rgba(79, 70, 229, 0.1);
}

.nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  stroke-width: 2;
}

/* Main Content */
.guide-content {
  flex: 1;
  min-width: 0;
  max-width: 860px;
}

.guide-hero {
  padding-bottom: 20px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border-color);
}

.guide-hero-title {
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 10px;
}

.guide-hero-title:last-child {
  margin-bottom: 0;
}

.guide-hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Section */
.guide-section {
  margin-bottom: 44px;
}

.section-anchor {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.section-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--code-text);
  font-size: 1rem;
}

.subheading {
  font-size: 1.18rem;
  font-weight: 600;
  color: var(--text-main);
  margin: 24px 0 12px;
}

p {
  color: var(--text-muted);
  margin-bottom: 14px;
}

p strong {
  color: var(--text-main);
}

/* Quickstart Steps List */
.quickstart-steps {
  list-style: none;
  counter-reset: step-counter;
  padding: 0;
  margin: 18px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quickstart-steps li {
  counter-increment: step-counter;
  position: relative;
  display: block;
  padding: 14px 18px 14px 52px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  margin: 0;
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.65;
  transition: border-color 0.2s ease;
}

.quickstart-steps li:hover {
  border-color: var(--border-hover);
}

.quickstart-steps li::before {
  content: counter(step-counter);
  position: absolute;
  left: 16px;
  top: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: var(--primary-color);
  font-weight: 700;
  font-size: 0.82rem;
  flex-shrink: 0;
}

:root.light-theme .quickstart-steps li::before {
  background: rgba(79, 70, 229, 0.1);
  border-color: rgba(79, 70, 229, 0.2);
  color: var(--primary-hover);
}

.quickstart-steps li strong {
  color: var(--text-main);
  font-weight: 600;
}

/* Inline UI Action Tags */
.ui-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  vertical-align: middle;
  padding: 1px 7px;
  border-radius: 5px;
  background: var(--surface-soft);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.45;
  white-space: nowrap;
  margin: 0 2px;
}

.ui-tag svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  color: var(--primary-color);
}

.ui-tag img {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  vertical-align: middle;
  border-radius: 2px;
}

:root.light-theme .ui-tag svg {
  color: var(--primary-hover);
}

.ui-tag.success {
  border-color: rgba(16, 185, 129, 0.35);
  background: rgba(16, 185, 129, 0.08);
  color: #10b981;
}

.ui-tag.success svg {
  color: #10b981;
}

/* Usage Steps in Guide */
.usage-steps {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 18px 0;
}

.usage-step-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 16px 20px 16px 54px;
  position: relative;
  transition: border-color 0.2s ease;
}

.usage-step-item:hover {
  border-color: var(--border-hover);
}

.usage-step-num {
  position: absolute;
  left: 18px;
  top: 17px;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: var(--primary-color);
  font-weight: 700;
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

:root.light-theme .usage-step-num {
  background: rgba(79, 70, 229, 0.1);
  border-color: rgba(79, 70, 229, 0.2);
  color: var(--primary-hover);
}

.usage-step-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.usage-step-desc {
  font-size: 0.91rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.usage-step-desc ul {
  margin: 8px 0 0 18px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.usage-step-desc li {
  margin: 0;
}

/* Feature Grid for Quickstart */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 18px 0;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all 0.2s ease;
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.feature-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.feature-icon-badge {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: var(--primary-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

:root.light-theme .feature-icon-badge {
  background: rgba(79, 70, 229, 0.1);
  border-color: rgba(79, 70, 229, 0.2);
  color: var(--primary-hover);
}

.feature-card-title {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--text-main);
  margin: 0;
}

.feature-card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 18px 0;
}

.guide-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: relative;
  cursor: pointer;
  transition: all 0.2s ease;
}

.guide-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 0;
}

.guide-card .badge-version {
  font-size: 0.72rem;
  padding: 2px 7px;
}

.card-action {
  margin-top: 0;
  flex-shrink: 0;
}

.card-link {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  transition: color 0.15s ease;
}

.guide-card:hover .card-link,
.card-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.card-link::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 10px;
}

.guide-section-nav {
  margin-top: 20px;
}

.guide-nav-link {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  background: var(--surface-soft);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: all 0.2s ease;
}

.guide-nav-link:hover {
  background: var(--surface-muted);
  border-color: var(--border-hover);
  color: var(--primary-hover);
  text-decoration: none;
  transform: translateX(2px);
}

/* Info & Tip Boxes */
.info-card {
  background: var(--surface-soft);
  border-left: 4px solid var(--primary-color);
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  margin: 18px 0;
}

.info-card.tip {
  border-left-color: var(--accent-green);
}

.info-card.warning {
  border-left-color: var(--accent-amber);
}

.info-card-title {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-main);
  margin-bottom: 4px;
}

.info-card-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Shortcuts & Code */
kbd {
  display: inline-block;
  white-space: nowrap;
  padding: 2px 7px;
  font-size: 0.82rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-weight: 600;
  color: var(--text-main);
  background-color: var(--surface-soft);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.2);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  background: var(--code-bg);
  color: var(--code-text);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.88em;
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-soft);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  cursor: pointer;
  margin-left: 6px;
  transition: all 0.2s ease;
  vertical-align: middle;
}

.btn-copy:hover {
  background: var(--surface-muted);
  color: var(--text-main);
  border-color: var(--border-hover);
}

.code-copy-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
}

.code-copy-wrap code {
  min-width: 0;
  overflow-wrap: anywhere;
}

.code-copy-wrap .btn-copy {
  margin-left: auto;
  flex-shrink: 0;
}

/* Table */
.guide-table-wrap {
  overflow-x: auto;
  margin: 20px 0;
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.guide-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

.guide-table th {
  background: var(--surface-soft);
  color: var(--text-main);
  font-weight: 600;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.guide-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
}

.guide-table tr:last-child td {
  border-bottom: none;
}

.guide-table tr:hover td {
  background: var(--surface-muted);
}

/* FAQ Accordion / Details */
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  padding: 16px 20px;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--text-muted);
  transition: transform 0.2s;
}

details[open] .faq-question::after {
  content: "−";
}

.faq-answer {
  padding: 0 20px 18px 20px;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Guide FAQ Banner */
.guide-faq-banner {
  margin-top: 36px;
  padding: 18px 22px;
  background: var(--surface-soft);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.92rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.guide-faq-banner-link {
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.15s ease;
}

.guide-faq-banner-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* Footer */
.guide-footer {
  border-top: 1px solid var(--border-color);
  padding: 24px 32px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 40px;
}

a { color: var(--primary-color); }
a:hover { text-decoration-thickness: 2px; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--accent-cyan); outline-offset: 3px; }
.guide-section:target { scroll-margin-top: calc(var(--header-h) + 20px); }
.guide-content li { margin: 8px 0 8px 24px; color: var(--text-muted); }
.guide-content li strong { color: var(--text-main); }
.guide-table code { overflow-wrap: anywhere; }
.step-content { min-width: 0; }
.reference-links { display: flex; flex-wrap: wrap; gap: 8px 14px; }
.guide-table caption { text-align: left; padding: 12px 16px; color: var(--text-muted); }

@media (max-width: 860px) {
  :root { --header-h: 112px; }
  .guide-layout {
    flex-direction: column;
    padding: 20px 16px;
    gap: 24px;
  }

  .guide-sidebar {
    width: 100%;
    position: static;
    max-height: none;
    padding-right: 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
  }

  .sidebar-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }

  .nav-item {
    flex: 1 1 auto;
    justify-content: center;
    font-size: 0.86rem;
    padding: 8px 12px;
  }

  .guide-header {
    height: auto;
    min-height: var(--header-h);
    padding: 12px 16px;
    flex-wrap: wrap;
    gap: 10px;
  }

  .brand { width: 100%; gap: 8px; }
  .brand-title { font-size: 1rem; flex-wrap: wrap; }
  .header-actions { width: 100%; gap: 8px; justify-content: flex-end; }
  .guide-lang-dropdown { width: auto; min-width: 130px; }
  .btn-header { min-height: 36px; padding: 6px 10px; }
  .guide-content { max-width: none; }
  .guide-hero { margin-bottom: 20px; padding-bottom: 16px; }
  .guide-section { margin-bottom: 36px; }
  .guide-sidebar { padding-bottom: 12px; }

  .guide-hero-title {
    font-size: 1.7rem;
  }

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

@media (max-width: 600px) {
  .header-actions { justify-content: flex-end; }
  .guide-lang-dropdown { width: auto; min-width: 110px; }
  .guide-lang-btn { height: 100%; }
  #guideThemeToggle { flex-shrink: 0; }
  .guide-table-wrap { border: 0; overflow: visible; }
  .guide-table, .guide-table tbody { display: block; }
  .guide-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .guide-table tr { display: block; margin-bottom: 14px; border: 1px solid var(--border-color); border-radius: 8px; background: var(--card-bg); }
  .guide-table td { display: block; padding: 10px 14px; overflow-wrap: anywhere; }
  .guide-table td::before { content: attr(data-label); display: block; font-size: 0.78rem; font-weight: 600; color: var(--text-dim); margin-bottom: 4px; }
  .guide-table tr:last-child td { border-bottom: 1px solid var(--border-color); }
  .guide-table tr td:last-child { border-bottom: 0; }
  .quickstart-steps li { padding: 14px 16px 14px 48px; }
  .quickstart-steps li::before { left: 14px; top: 14px; }
  .usage-step-item { padding: 14px 16px 14px 48px; }
  .usage-step-num { left: 14px; top: 15px; }
  .section-anchor { font-size: 1.3rem; }
  .section-icon { flex-shrink: 0; }
  .cards-grid { grid-template-columns: 1fr; }
  .guide-footer { padding: 20px 0; }
  .badge-version { font-size: 0.68rem; }
  .faq-question { gap: 12px; padding: 14px 16px; }
  .faq-answer { padding: 0 16px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}