.guide-page {
  background: var(--apple-bg);
  color: var(--text-primary);
  font-family: var(--font-sf);
}

.guide-page a:focus-visible,
.guide-page button:focus-visible {
  outline: 3px solid rgba(224, 169, 59, 0.65);
  outline-offset: 3px;
}

.guide-page .nav-links a[aria-current="page"] {
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.04);
}

.guide-main {
  padding-top: 80px;
  overflow-x: hidden;
}

.guide-hero {
  padding-top: 66px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--glass-border);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--text-tertiary);
  font-size: 0.88rem;
}

.breadcrumbs a {
  display: inline-block;
  padding: 4px 2px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumbs a:hover {
  color: var(--text-primary);
}

.guide-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  color: var(--sf-cyan);
  background: rgba(224, 169, 59, 0.12);
  border: 1px solid rgba(224, 169, 59, 0.28);
  border-radius: var(--radius-pill);
  padding: 4px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  box-shadow: var(--glass-inset);
}

.guide-eyebrow::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sf-green);
  box-shadow: 0 0 10px var(--sf-green);
  content: "";
}

.guide-hero h1 {
  max-width: 900px;
  margin-bottom: 20px;
  color: var(--text-primary);
  font-size: 3rem;
  line-height: 1.18;
  letter-spacing: 0;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.guide-lead {
  max-width: 780px;
  color: var(--text-secondary);
  font-size: 1.12rem;
  line-height: 1.8;
}

.guide-lead a,
.guide-lead a:visited {
  color: var(--sf-cyan);
  text-decoration: underline;
  text-decoration-color: rgba(139, 233, 255, 0.72);
  text-underline-offset: 3px;
}

.guide-lead a:hover,
.guide-lead a:focus-visible {
  color: #FFFFFF;
  text-decoration-color: #FFFFFF;
}

.article-figure {
  max-width: 780px;
  margin: 30px 0 0;
}

.article-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-squircle-lg);
  box-shadow: var(--glass-inset), var(--shadow-window);
}

.article-figure figcaption {
  margin-top: 10px;
  color: var(--text-tertiary);
  font-size: 0.82rem;
  line-height: 1.6;
}

.guide-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 24px;
  color: var(--text-tertiary);
  font-size: 0.86rem;
}

.guide-meta strong {
  color: var(--text-secondary);
}

.guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.guide-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  background: var(--glass-bg);
  backdrop-filter: var(--blur-acrylic);
  -webkit-backdrop-filter: var(--blur-acrylic);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-squircle-lg);
  box-shadow: var(--glass-inset), var(--shadow-widget);
  margin-top: 32px;
}

.guide-fact {
  min-width: 0;
  padding: 22px 26px;
  border-right: 1px solid #E2E8F0;
}

.guide-fact:last-child {
  border-right: 0;
}

.guide-fact span {
  display: block;
  margin-bottom: 5px;
  color: var(--text-tertiary);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.guide-fact strong,
.guide-fact code {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.94rem;
  overflow-wrap: anywhere;
}

.guide-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 780px);
  justify-content: center;
  gap: 64px;
  padding-top: 56px;
  padding-bottom: 96px;
}

.guide-toc {
  align-self: start;
  position: sticky;
  top: 112px;
  padding-left: 18px;
  border-left: 1px solid #E2E8F0;
}

.guide-toc strong {
  display: block;
  margin-bottom: 13px;
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.guide-toc ol {
  list-style: none;
}

.guide-toc li + li {
  margin-top: 8px;
}

.guide-toc a {
  color: var(--text-secondary);
  font-size: 0.86rem;
  line-height: 1.45;
  text-decoration: none;
  transition: all 0.2s ease;
}

.guide-toc a:hover {
  color: var(--sf-cyan);
}

.guide-article {
  min-width: 0;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.82;
}

.answer-summary {
  margin: 0 0 34px;
  padding: 16px 18px;
  border: 1px solid #FEF08A;
  border-left: 4px solid var(--sf-blue);
  background: #FEFCE8;
  border-radius: var(--radius-squircle-sm);
  color: var(--text-primary);
  font-size: 0.98rem;
  line-height: 1.75;
}

.answer-summary strong {
  color: var(--text-primary);
}

.answer-summary code {
  color: #B45309; background: #FEF3C7; padding: 2px 6px; border-radius: 4px;
}

.guide-article section {
  scroll-margin-top: 112px;
}

.guide-article section + section {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--glass-border);
}

.guide-article h2 {
  margin-bottom: 18px;
  color: var(--text-primary);
  font-size: 1.75rem;
  line-height: 1.35;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.guide-article h3 {
  margin-top: 30px;
  margin-bottom: 12px;
  color: var(--text-primary);
  font-size: 1.2rem;
  line-height: 1.45;
  font-weight: 700;
}

.guide-article p,
.guide-article ul,
.guide-article ol,
.guide-article table {
  margin-bottom: 18px;
}

.guide-article ul,
.guide-article ol {
  padding-left: 22px;
}

.guide-article li + li {
  margin-top: 8px;
}

.guide-article a,
.guide-article a:visited {
  color: var(--sf-cyan);
  text-decoration: underline;
  text-decoration-color: rgba(139, 233, 255, 0.72);
  text-underline-offset: 3px;
}

.guide-article a:hover,
.guide-article a:focus-visible {
  color: #FFFFFF;
  text-decoration-color: #FFFFFF;
}

.guide-article strong {
  color: var(--text-primary);
}

.guide-article code,
.guide-inline-code {
  padding: 3px 8px;
  border: 1px solid #FDE68A;
  border-radius: var(--radius-squircle-sm);
  background: #FEF3C7;
  color: #B45309;
  font-family: var(--font-mono);
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

.guide-step {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.guide-step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-squircle-sm);
  background: var(--sf-blue-gradient);
  color: #FFFFFF;
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(10, 132, 255, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.guide-step h3 {
  margin-top: 3px;
}

.callout {
  margin: 24px 0;
  padding: 18px 20px;
  border-left: 3px solid var(--sf-blue);
  background: rgba(10, 132, 255, 0.1);
  border-radius: 0 var(--radius-squircle-md) var(--radius-squircle-md) 0;
  color: var(--text-secondary);
  box-shadow: var(--glass-inset);
}

.callout strong {
  display: block;
  margin-bottom: 4px;
  color: var(--sf-cyan);
}

.callout-warning {
  border-left-color: var(--sf-orange);
  background: rgba(255, 159, 10, 0.1);
}

.callout-warning strong {
  color: var(--sf-orange);
}

.code-sample {
  margin: 22px 0 28px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-squircle-lg);
  background: rgba(12, 16, 26, 0.85);
  backdrop-filter: var(--blur-acrylic);
  -webkit-backdrop-filter: var(--blur-acrylic);
  box-shadow: var(--glass-inset), var(--shadow-window);
}

.code-sample-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  padding: 8px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(22, 28, 44, 0.7);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.guide-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 12px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 600;
  box-shadow: var(--glass-inset);
  transition: all 0.2s ease;
}

.guide-copy:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: var(--glass-border-hover);
}

.code-sample pre {
  margin: 0;
  padding: 20px;
  overflow-x: auto;
  color: #E6EDF3;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.7;
  tab-size: 2;
  background: rgba(8, 11, 18, 0.95);
}

.code-sample pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: inherit;
  overflow-wrap: normal;
}

.guide-table-wrap {
  overflow-x: auto;
}

.guide-article table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.guide-article th,
.guide-article td {
  padding: 13px 14px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  text-align: left;
  vertical-align: top;
}

.guide-article th {
  background: #F8FAFC;
  color: var(--text-primary); border-color: #F1F5F9; font-weight: 600;
}

.guide-article td {
  color: var(--text-secondary); border-color: #F1F5F9;
}

.guide-next {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.guide-next a {
  display: block;
  min-height: 112px;
  padding: 18px;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-squircle-md);
  background: #FFFFFF;
  color: var(--text-primary); box-shadow: var(--shadow-widget);
  text-decoration: none;
}

.guide-next a:hover {
  border-color: var(--sf-blue);
  background: #F8FAFC; transform: translateY(-2px); box-shadow: var(--shadow-widget-hover);
}

.guide-next span {
  display: block;
  margin-bottom: 6px;
  color: var(--text-dim);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
}

.guide-hub-hero {
  padding-top: 70px;
  padding-bottom: 58px;
}

.guide-hub-hero .guide-lead {
  max-width: 720px;
}

.quick-path {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 42px;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.quick-path div {
  padding: 22px;
  border-right: 1px solid var(--border-light);
}

.quick-path div:last-child {
  border-right: 0;
}

.quick-path span {
  display: block;
  margin-bottom: 5px;
  color: var(--sf-cyan);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
}

.quick-path strong {
  color: var(--text-primary);
  font-size: 0.95rem;
}

.guide-hub-section {
  padding-top: 64px;
}

.guide-hub-section:last-of-type {
  padding-bottom: 96px;
}

.guide-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
}

.guide-section-head h2 {
  color: var(--text-primary);
  font-size: 1.75rem;
  letter-spacing: 0;
}

.guide-section-head p {
  max-width: 560px;
  color: var(--text-muted);
}

.topic-path-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.topic-path-item {
  min-width: 0;
  padding: 26px 28px 26px 0;
}

.topic-path-item:nth-child(odd) {
  border-right: 1px solid var(--border-light);
}

.topic-path-item:nth-child(even) {
  padding-right: 0;
  padding-left: 28px;
}

.topic-path-item:nth-child(n + 3) {
  border-top: 1px solid var(--border-light);
}

.topic-path-item > span {
  display: block;
  margin-bottom: 8px;
  color: var(--sf-cyan);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
}

.topic-path-item h3 {
  margin: 0 0 8px;
  color: var(--text-primary);
  font-size: 1.08rem;
  letter-spacing: 0;
}

.topic-path-item p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.topic-path-item div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 14px;
}

.topic-path-item a {
  color: var(--sf-cyan);
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
}

.topic-path-item a:hover {
  color: var(--sf-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.guide-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.guide-card {
  display: flex;
  flex-direction: column;
  min-height: 260px;
  padding: 26px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-squircle-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--blur-acrylic);
  -webkit-backdrop-filter: var(--blur-acrylic);
  box-shadow: var(--glass-inset), var(--shadow-widget);
  color: inherit;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.guide-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-hover);
  background: var(--glass-bg-hover);
  box-shadow: var(--glass-inset-hover), var(--shadow-widget-hover);
}

.guide-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 24px;
  border-radius: var(--radius-squircle-md);
  background: var(--sf-blue-gradient);
  color: #FFFFFF;
  font-family: var(--font-sf);
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(224, 169, 59, 0.35);
}

.guide-card h3 {
  margin-bottom: 10px;
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.guide-card p {
  flex-grow: 1;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}

.guide-card-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
  color: var(--sf-cyan);
  font-size: 0.84rem;
  font-weight: 700;
}

.guide-checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  border-radius: var(--radius-squircle-xl);
  overflow: hidden;
}

.guide-checklist div {
  padding: 24px;
  background: var(--glass-bg);
  backdrop-filter: var(--blur-acrylic);
  -webkit-backdrop-filter: var(--blur-acrylic);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-squircle-lg);
  box-shadow: var(--glass-inset);
}

.guide-checklist strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 700;
}

.guide-checklist p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.guide-footer {
  padding-top: 44px;
}

@media (max-width: 960px) {
  .guide-layout {
    grid-template-columns: minmax(0, 780px);
    gap: 38px;
  }

  .guide-toc {
    position: static;
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 14px;
    padding: 18px 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    border-left: 0;
  }

  .guide-toc ol {
    display: flex;
    flex-wrap: wrap;
    gap: 9px 18px;
  }

  .guide-toc li + li {
    margin-top: 0;
  }

  .guide-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .guide-main {
    padding-top: 72px;
  }

  .guide-hero,
  .guide-hub-hero {
    padding-top: 42px;
    padding-bottom: 38px;
  }

  .guide-hero h1 {
    font-size: 2.15rem;
  }

  .guide-lead {
    font-size: 1rem;
  }

  .guide-facts,
  .quick-path {
    grid-template-columns: 1fr;
  }

  .guide-fact,
  .quick-path div {
    padding: 16px 0;
    border-right: 0;
    border-bottom: 1px solid var(--border-light);
  }

  .guide-fact:last-child,
  .quick-path div:last-child {
    border-bottom: 0;
  }

  .guide-layout {
    padding-top: 36px;
    padding-bottom: 68px;
  }

  .guide-toc {
    grid-template-columns: 1fr;
  }

  .guide-article h2 {
    font-size: 1.45rem;
  }

  .guide-step {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 12px;
  }

  .guide-step-number {
    width: 30px;
    height: 30px;
    font-size: 0.84rem;
  }

  .code-sample pre {
    padding: 16px;
    font-size: 0.78rem;
    overflow-x: hidden;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .code-sample pre code {
    white-space: inherit;
    overflow-wrap: inherit;
    word-break: inherit;
  }

  .guide-next,
  .guide-card-grid,
  .guide-checklist {
    grid-template-columns: 1fr;
  }

  .topic-path-grid {
    grid-template-columns: 1fr;
  }

  .topic-path-item,
  .topic-path-item:nth-child(even) {
    padding: 20px 0;
    border-right: 0;
    border-top: 1px solid var(--border-light);
  }

  .guide-section-head {
    display: block;
  }

  .guide-section-head p {
    margin-top: 8px;
  }

  .guide-card {
    min-height: 238px;
  }
}

@media (max-width: 380px) {
  .guide-main {
    padding-top: 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .guide-card {
    transition: none;
  }
}