:root {
  --blog-reading: 56rem;
  --blog-text-size: 1rem;
  --blog-small-size: 0.875rem;
  --blog-h1-size: clamp(1.8rem, 4vw, 2.6rem);
  --blog-index-title-size: clamp(2rem, 5vw, 3rem);
  --blog-h2-size: clamp(1.3rem, 3vw, 1.6rem);
  --blog-h3-size: clamp(1.1rem, 2.5vw, 1.3rem);
  --blog-motion: 180ms;
  --blog-dialog-radius: var(--r-card);
}

.blog-list-page,
.reading-wrap,
.article-hero,
.breadcrumbs,
.blog-breadcrumbs {
  box-sizing: border-box;
}

.blog-list-page {
  padding-block: 2.5rem 4rem;
}

.blog-index-hero {
  position: relative;
  isolation: isolate;
  padding: 2.5rem 2rem;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  background: linear-gradient(180deg, var(--hero-top), var(--hero-bottom));
}

.blog-index-hero::after {
  content: "";
  position: absolute;
  inset-block-start: 1.5rem;
  inset-inline-end: 2rem;
  width: 5rem;
  height: 2.5rem;
  border-top: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  border-radius: var(--r-circle);
  opacity: 0.06;
  pointer-events: none;
}

.blog-eyebrow {
  margin: 0 0 0.75rem;
  color: var(--iris);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.blog-index-hero h1 {
  max-width: 22ch;
  margin: 0;
  font-size: var(--blog-index-title-size);
}

.blog-index-lede {
  max-width: 45rem;
  margin-block: 1.25rem;
  color: var(--muted);
  font-size: var(--blog-text-size);
  line-height: 1.9;
}

.blog-text-link,
.article-read-link {
  color: var(--iris);
  font-weight: 650;
  text-decoration: none;
  text-underline-offset: 0.25em;
}

.blog-text-link:hover,
.article-read-link:hover {
  text-decoration: underline;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 2rem;
}

.blog-filter {
  max-width: 100%;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--panel);
  color: var(--muted);
  font: inherit;
  cursor: pointer;
  transition: background var(--blog-motion) var(--ease), border-color var(--blog-motion) var(--ease);
}

.blog-filter:hover {
  border-color: var(--iris);
  color: var(--text);
}

.blog-filter[aria-pressed="true"] {
  border-color: var(--iris);
  background: var(--iris);
  color: var(--hl);
}

.blog-list-status {
  min-height: 1.8em;
  margin-block: 1rem;
  color: var(--muted);
  font-size: var(--blog-small-size);
}

.blog-card-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.blog-card-grid > *,
.related-grid > *,
#post-nav > *,
.stat-grid > * {
  min-width: 0;
}

.article-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--r-card);
  background: var(--panel);
  color: var(--text);
  transition: border-color var(--blog-motion) var(--ease), transform var(--blog-motion) var(--ease);
}

.article-card:hover,
.article-card:focus-within {
  border-top-color: var(--accent);
  transform: translateY(-2px);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.625rem;
  color: var(--muted);
  font-size: var(--blog-small-size);
}

.article-meta time,
.blog-meta time,
.post-nav-card time {
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
}

.article-meta .badge {
  max-width: 100%;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--iris-line);
  border-radius: var(--r-pill);
  background: var(--iris-soft);
  color: var(--iris);
  white-space: normal;
}

.article-card h2,
.article-card h3 {
  margin: 1rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: var(--blog-h3-size);
  line-height: 1.6;
}

.article-card h2 a,
.article-card h3 a {
  color: var(--text);
  text-decoration: none;
}

.article-card h2 a:hover,
.article-card h3 a:hover {
  color: var(--iris);
}

.article-card-summary {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: var(--blog-text-size);
  line-height: 1.85;
}

.article-card .article-read-link {
  align-self: flex-start;
  margin-top: auto;
}

.blog-empty {
  grid-column: 1 / -1;
  padding: 1.5rem;
  border: 1px dashed var(--border);
  border-radius: var(--r-pane);
  background: var(--panel);
  color: var(--muted);
  line-height: 1.8;
}

/* 同一盒模型贯穿面包屑、首屏、正文与文末区域。 */
.reading-wrap,
.article-hero,
.blog-hero,
.breadcrumbs,
.blog-breadcrumbs {
  width: 100%;
  max-width: calc(var(--blog-reading) + var(--gutter) + var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.breadcrumbs,
.blog-breadcrumbs {
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  padding-block: 0.25rem;
  color: var(--muted);
  font-size: var(--blog-small-size);
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.breadcrumbs ol,
.blog-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li + li::before,
.blog-breadcrumbs li + li::before {
  content: "›";
  margin-inline-end: 0.65rem;
  color: var(--muted);
}

.breadcrumbs a,
.blog-breadcrumbs a {
  color: var(--iris);
  text-underline-offset: 0.2em;
}

.article-hero,
.blog-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(10rem, 1fr);
  align-items: start;
  gap: 2rem;
  padding-block: 1rem 1.75rem;
  background: none;
  border: 0;
}

.article-hero > *,
.blog-hero > * {
  min-width: 0;
}

.article-hero h1,
.blog-hero h1 {
  margin: 0 0 1rem;
  font-size: var(--blog-h1-size);
  line-height: 1.4;
}

.article-hero .lede,
.article-hero .article-summary,
.blog-hero .lede,
.blog-hero .article-summary,
.article-hero-copy > p,
.blog-hero-copy > p {
  margin: 0;
  color: var(--muted);
  font-size: var(--blog-text-size);
  line-height: 1.9;
}

.blog-meta {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 0.875rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pane);
  background: var(--panel);
  color: var(--muted);
  font-size: var(--blog-small-size);
  line-height: 1.7;
}

.blog-meta::after {
  content: "";
  width: 2.75rem;
  height: 0.75rem;
  border-top: 2px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  border-radius: var(--r-circle);
  opacity: 0.55;
  pointer-events: none;
}

.blog-meta > * {
  max-width: 100%;
  margin: 0;
  overflow-wrap: anywhere;
}

.blog-meta .badge,
.blog-meta .article-tag {
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--iris);
  border-radius: var(--r-pill);
  background: var(--iris);
  color: var(--hl);
  white-space: normal;
}

.blog-meta time,
.blog-meta .read-time,
.blog-meta .reading-time {
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--r-row);
  background: var(--surface);
}

.blog-index-hero h1,
.blog-list-page h2,
.article-hero h1,
.blog-hero h1,
.prose h1,
.prose h2,
.prose h3,
.article-body h1,
.article-body h2,
.article-body h3,
.article-card h2,
.article-card h3,
#related-posts h2,
.signup-modal h2 {
  display: block;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 750;
  letter-spacing: -0.015em;
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

.reading-wrap {
  padding-block: 0 1.5rem;
}

.prose,
.article-body {
  min-width: 0;
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--blog-text-size);
  line-height: 1.9;
  overflow-wrap: anywhere;
  counter-reset: blog-section;
}

.prose h2,
.article-body h2 {
  position: relative;
  margin: 2.25rem 0 1rem;
  font-size: var(--blog-h2-size);
  line-height: 1.55;
  scroll-margin-top: var(--anchor-space);
}

.prose h2::before,
.article-body h2::before {
  content: "";
  display: block;
  width: 2.25rem;
  height: 3px;
  margin-bottom: 0.75rem;
  border-radius: var(--r-pill);
  background: var(--accent);
}

.prose > h2:first-child,
.article-body > h2:first-child,
.prose > section:first-child > h2:first-child,
.article-body > section:first-child > h2:first-child {
  margin-top: 0.5rem;
}

.prose h3,
.article-body h3 {
  margin: 1.75rem 0 0.75rem;
  font-size: var(--blog-h3-size);
  line-height: 1.6;
}

.prose p,
.article-body p {
  margin-block: 0 1.2rem;
}

.prose ul,
.prose ol,
.article-body ul,
.article-body ol {
  padding-inline-start: 1.5rem;
  margin-block: 1rem 1.5rem;
}

.prose li,
.article-body li {
  margin-block: 0.45rem;
}

.prose a,
.article-body a {
  color: var(--iris);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.prose a:hover,
.article-body a:hover {
  color: var(--accent-dark);
}

.prose :not(pre) > code,
.article-body :not(pre) > code {
  padding: 0.15em 0.35em;
  border: 1px solid var(--border);
  border-radius: var(--r-row);
  background: var(--groove);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  overflow-wrap: anywhere;
  white-space: normal;
}

.prose pre,
.article-body pre {
  position: relative;
  max-width: 100%;
  overflow-x: auto;
  margin-block: 1.5rem;
  padding: 2.75rem 1.5rem 1.5rem;
  border: 1px solid var(--text);
  border-radius: var(--r-pane);
  background: var(--text);
  color: var(--panel);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  line-height: 1.8;
}

.prose pre::before,
.article-body pre::before {
  content: "TERMINAL";
  position: absolute;
  inset-block-start: 0.65rem;
  inset-inline-start: 1.5rem;
  color: var(--panel-2);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  letter-spacing: 0.12em;
}

.prose pre code,
.article-body pre code {
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  white-space: pre;
  overflow-wrap: normal;
}

.prose .table-scroll,
.article-body .table-scroll {
  max-width: 100%;
  overflow-x: auto;
  margin-block: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pane);
}

.prose table,
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin-block: 1.5rem;
  font-size: var(--blog-small-size);
  line-height: 1.8;
}

.prose .table-scroll table,
.article-body .table-scroll table {
  min-width: 36rem;
  margin: 0;
}

.prose th,
.prose td,
.article-body th,
.article-body td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: start;
  vertical-align: top;
}

.prose thead th,
.article-body thead th {
  background: var(--text);
  color: var(--panel);
  font-weight: 650;
}

.prose tbody tr,
.article-body tbody tr {
  background: var(--surface);
}

.prose tbody tr:nth-child(even),
.article-body tbody tr:nth-child(even) {
  background: var(--panel);
}

.prose tbody tr:hover,
.article-body tbody tr:hover {
  background: var(--iris-soft);
}

.prose blockquote,
.article-body blockquote,
.callout,
.verdict {
  position: relative;
  margin: 1.5rem 0;
  padding: 1.25rem 1.5rem 1.25rem 3.5rem;
  border: 1px solid var(--iris-line);
  border-inline-start: 4px solid var(--iris);
  border-radius: var(--r-pane);
  background: var(--iris-soft);
  color: var(--text);
}

.prose blockquote::before,
.article-body blockquote::before,
.callout::before {
  content: "i";
  position: absolute;
  inset-block-start: 1.35rem;
  inset-inline-start: 1.1rem;
  display: inline-block;
  width: 1.4rem;
  height: 1.4rem;
  border: 1px solid var(--iris);
  border-radius: var(--r-circle);
  color: var(--iris);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  font-weight: 700;
  line-height: 1.3rem;
  text-align: center;
}

.callout.warning,
.callout-warning,
.callout[data-variant="warning"] {
  border-color: color-mix(in srgb, var(--warn) 45%, var(--border));
  border-inline-start-color: var(--warn);
  background: color-mix(in srgb, var(--warn) 10%, var(--panel));
}

.callout.warning::before,
.callout-warning::before,
.callout[data-variant="warning"]::before {
  content: "!";
  border-color: var(--warn);
  color: var(--text);
}

.callout.success,
.callout-success,
.callout[data-variant="success"] {
  border-color: color-mix(in srgb, var(--success) 45%, var(--border));
  border-inline-start-color: var(--success);
  background: var(--success-soft);
}

.callout.success::before,
.callout-success::before,
.callout[data-variant="success"]::before {
  content: "✓";
  border-color: var(--success);
  color: var(--success);
}

.verdict {
  padding-inline-start: 1.5rem;
  border-color: var(--apricot-line);
  border-inline-start-color: var(--accent);
  background: var(--apricot);
}

.verdict > strong:first-child,
.verdict p > strong:first-child {
  color: var(--accent-dark);
}

.verdict p:last-child,
.callout p:last-child,
.prose blockquote p:last-child,
.article-body blockquote p:last-child {
  margin-bottom: 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-block: 1.5rem;
}

.stat-card {
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--apricot-line);
  border-top: 3px solid var(--accent);
  border-radius: var(--r-pane);
  background: var(--apricot);
}

.stat-card:nth-child(even) {
  border-color: var(--iris-line);
  border-top-color: var(--iris);
  background: var(--iris-soft);
}

.stat-num {
  display: block;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--blog-h2-size);
  font-weight: 750;
  line-height: 1.5;
}

.stat-label {
  display: block;
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: var(--blog-small-size);
  line-height: 1.8;
}

.prose .check-list,
.article-body .check-list,
.check-list {
  margin-block: 1.5rem;
  padding: 0;
  list-style: none;
}

.check-list li {
  margin-block: 0.75rem;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-tile);
  background: var(--panel);
  list-style: none;
}

.prose img,
.article-body img,
.prose svg,
.article-body svg {
  max-width: 100%;
  height: auto;
}

.reading-wrap .promo-block {
  width: 100%;
  max-width: none;
  margin-inline: 0;
}

.promo-block {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-block: 2rem;
  padding: 2rem;
  border: 2px solid var(--accent);
  border-radius: var(--r-card);
  background: linear-gradient(135deg, var(--apricot), var(--panel));
  color: var(--text);
}

.promo-block::before {
  content: "";
  position: absolute;
  inset-block-start: 0.75rem;
  inset-inline-end: 1.5rem;
  width: 3rem;
  height: 0.8rem;
  border-top: 2px solid var(--accent);
  border-radius: var(--r-circle);
  opacity: 0.45;
  pointer-events: none;
}

.promo-block > div {
  flex: 1 1 20rem;
  min-width: 0;
}

.promo-block strong {
  font-family: var(--font-display);
  font-size: var(--blog-h2-size);
}

.promo-block p {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: var(--blog-text-size);
  line-height: 1.8;
}

.promo-block .btn-main,
.promo-block .btn-primary {
  border: 1px solid var(--accent-dark);
  background: var(--surface);
  color: var(--accent-dark);
}

.promo-block .btn-main:hover,
.promo-block .btn-primary:hover {
  background: var(--accent-dark);
  color: var(--hl);
}

.promo-block .btn-line {
  border-color: var(--text);
  background: var(--clear);
  color: var(--text);
}

#related-posts {
  padding-block: 1.25rem 1.5rem;
}

#related-posts:empty,
#post-nav:empty {
  display: none;
}

#related-posts > h2 {
  margin: 0 0 1.25rem;
  font-size: var(--blog-h2-size);
}

#related-posts > h2::before {
  content: none;
}

.related-grid {
  gap: 1rem;
}

.related-card {
  padding: 1.25rem;
  border-radius: var(--r-pane);
}

.related-card h3 {
  font-size: var(--blog-h3-size);
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding-block: 1.5rem;
}

.post-nav-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--r-pane);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--blog-motion) var(--ease), transform var(--blog-motion) var(--ease);
}

.post-nav-card:hover,
.post-nav-card:focus-visible {
  border-top-color: var(--iris);
  transform: translateY(-2px);
}

.post-nav-next {
  grid-column: 2;
}

.post-nav-label {
  color: var(--iris);
  font-size: var(--blog-small-size);
}

.post-nav-title {
  font-family: var(--font-display);
  font-size: var(--blog-text-size);
  line-height: 1.8;
}

.post-nav-card time {
  margin-top: auto;
  color: var(--muted);
}

.blog-modal-open {
  overflow: hidden;
}

.signup-modal {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  margin: 0;
  padding: 1.25rem;
  box-sizing: border-box;
  border: 0;
  background: var(--clear);
  color: var(--text);
  font-family: var(--font-body);
  overflow-y: auto;
}

.signup-modal[open] {
  display: grid;
  place-items: center;
}

.signup-modal::backdrop {
  background: color-mix(in srgb, var(--text) 55%, var(--clear));
}

.signup-modal-panel {
  position: relative;
  width: 100%;
  max-width: 29rem;
  min-width: 0;
  box-sizing: border-box;
  padding: 2.5rem 2rem 2rem;
  border: 1px solid var(--accent);
  border-radius: var(--blog-dialog-radius);
  background: var(--panel);
  box-shadow: var(--shadow-pop);
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--blog-motion) var(--ease), transform var(--blog-motion) var(--ease);
}

.signup-modal-panel::before {
  content: "";
  display: block;
  width: 3rem;
  height: 0.8rem;
  margin-bottom: 1.25rem;
  border-top: 2px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  border-radius: var(--r-circle);
}

.signup-modal h2 {
  margin: 0 0 1rem;
  font-size: var(--blog-h2-size);
}

.signup-modal-panel > p:not(.blog-eyebrow) {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: var(--blog-text-size);
  line-height: 1.9;
}

.signup-modal-close {
  position: absolute;
  inset-block-start: 0.75rem;
  inset-inline-end: 0.75rem;
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--r-circle);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--blog-h2-size);
  cursor: pointer;
}

.signup-modal-close:hover {
  border-color: var(--accent);
  background: var(--apricot);
}

.signup-modal.is-closing .signup-modal-panel {
  opacity: 0;
  transform: translateY(0.5rem);
}

@starting-style {
  .signup-modal[open] .signup-modal-panel {
    opacity: 0;
    transform: translateY(0.5rem);
  }
}

.blog-list-page :focus-visible,
.reading-wrap :focus-visible,
.signup-modal :focus-visible,
.float-cta:focus-visible {
  outline: 3px solid var(--iris);
  outline-offset: 4px;
}

/* 列表页不挂载此入口；供文章搜索落地页使用。 */
.float-cta {
  position: fixed;
  z-index: 40;
  inset-inline-end: 1.5rem;
  inset-block-end: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  max-width: calc(100vw - 3rem);
  box-sizing: border-box;
  padding: 0.8rem 1.25rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-pill);
  background: var(--accent-dark);
  color: var(--hl);
  box-shadow: var(--shadow-float);
  font-family: var(--font-body);
  font-size: var(--blog-small-size);
  font-weight: 700;
  line-height: 1.5;
  text-decoration: none;
}

.float-cta svg {
  flex: 0 0 auto;
  width: 1.15rem;
  height: 1.15rem;
  fill: none;
  stroke: currentColor;
}

.float-cta:hover {
  background: var(--text);
  border-color: var(--text);
}

@media (max-width: 1000px) {
  .blog-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .related-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 860px) {
  .prose table,
  .article-body table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
  }

  .prose .table-scroll table,
  .article-body .table-scroll table {
    display: table;
    width: 100%;
    max-width: none;
    overflow: visible;
  }

  .prose th,
  .prose td,
  .article-body th,
  .article-body td {
    min-width: 9rem;
  }
}

@media (max-width: 768px) {
  .article-hero,
  .blog-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
    padding-block: 0.5rem 1.5rem;
  }

  .article-hero .blog-meta,
  .blog-hero .blog-meta {
    grid-column: 1;
    grid-row: 1;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    gap: 0.625rem;
    padding: 1.5rem;
  }

  .article-hero .blog-meta::after,
  .blog-hero .blog-meta::after {
    display: none;
  }

  .article-hero-copy,
  .blog-hero-copy {
    grid-column: 1;
    grid-row: 2;
  }

  .blog-index-hero::after {
    display: none;
  }
}

@media (max-width: 640px) {
  .no-break {
    white-space: normal;
  }

  .blog-list-page {
    padding-block: 1.5rem 2.5rem;
  }

  .blog-index-hero {
    padding: 1.75rem 1.5rem;
  }

  .blog-card-grid,
  .stat-grid,
  #post-nav {
    grid-template-columns: minmax(0, 1fr);
  }

  .post-nav-next {
    grid-column: 1;
  }

  .article-card,
  .promo-block {
    padding: 1.5rem;
  }

  .promo-block {
    gap: 1rem;
  }

  .promo-block .btn {
    width: 100%;
    justify-content: center;
  }

  .prose h2,
  .article-body h2 {
    margin-top: 1.75rem;
  }

  .signup-modal-panel {
    padding: 2.5rem 1.5rem 1.5rem;
  }

  .float-cta {
    inset-inline-end: 0.75rem;
    inset-block-end: max(0.75rem, env(safe-area-inset-bottom));
    max-width: calc(100vw - 1.5rem);
    padding: 0.7rem 1rem;
  }

  body:has(.float-cta) {
    padding-bottom: 5.5rem;
  }

  body:has(.signup-modal[open]) .float-cta {
    visibility: hidden;
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-card,
  .post-nav-card,
  .blog-filter,
  .signup-modal-panel {
    transition: none;
    animation: none;
  }

  .article-card:hover,
  .article-card:focus-within,
  .post-nav-card:hover,
  .post-nav-card:focus-visible,
  .signup-modal.is-closing .signup-modal-panel {
    transform: none;
  }

  @starting-style {
    .signup-modal[open] .signup-modal-panel {
      opacity: 1;
      transform: none;
    }
  }
}