/* VPNMJ 阅读页：与营销页共用令牌，采用杂志刊头线和暖纸排版。 */
.blog-page {
  color: var(--c-text);
  background: var(--c-bg);
}

.blog-page .reading-wrap {
  width: 100%;
  max-width: calc(56rem + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.blog-page .breadcrumb-wrap {
  margin-top: 1.5rem;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .65rem;
  color: var(--c-muted);
  font-size: .875rem;
  line-height: 1.6;
}

.breadcrumbs a {
  color: var(--c-accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: .2em;
}

.blog-list-hero,
.article-hero {
  position: relative;
  margin-top: 2rem;
  padding-top: 1.4rem;
  border-top: 4px solid var(--c-accent);
  text-align: left;
}

.blog-list-hero::before,
.article-hero::before {
  position: absolute;
  top: -4px;
  right: 0;
  width: 24%;
  border-top: 4px solid var(--c-apricot);
  content: "";
}

.blog-eyebrow {
  margin: 0 0 .8rem;
  color: var(--c-accent-dark);
  font-family: var(--f-mono);
  font-size: .82rem;
  font-weight: 700;
}

.blog-list-hero h1,
.article-hero h1 {
  margin: 0;
  color: var(--c-text);
  font-family: var(--f-display);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.25;
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

.blog-list-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
}

.article-hero h1 {
  font-size: clamp(1.85rem, 4vw, 2.6rem);
}

.blog-list-hero > p:last-child,
.article-hero > p:last-child {
  max-width: 48rem;
  margin: 1rem 0 0;
  color: var(--c-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.article-hero {
  padding-bottom: 1.8rem;
  border-bottom: 1px solid var(--c-border);
}

.article-meta,
.article-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: .55rem;
  margin-bottom: 1rem;
  color: var(--c-muted);
  font-size: .85rem;
}

.article-meta > time,
.article-meta > span,
.article-meta > .blog-tag {
  padding: .28rem .65rem;
  border: 1px solid var(--c-border);
  border-radius: var(--r-pill);
}

.blog-tag {
  display: inline-block;
  color: var(--c-accent-dark);
  font-weight: 700;
}

.article-meta .blog-tag {
  border-color: var(--c-accent);
  color: var(--c-panel);
  background: var(--c-accent-dark);
}

.blog-index {
  padding-block: 2rem 5rem;
}

.blog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  padding: .5rem;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-panel-2);
}

.blog-filter button {
  padding: .55rem .9rem;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  color: var(--c-text);
  background: transparent;
  font: inherit;
  font-size: .9rem;
  cursor: pointer;
}

.blog-filter button:hover,
.blog-filter button:focus-visible {
  border-color: var(--c-accent);
}

.blog-filter button[aria-pressed="true"] {
  border-color: var(--c-text);
  color: var(--c-text);
  background: var(--c-panel);
  font-weight: 700;
}

.blog-count {
  margin: 1.6rem 0 .7rem;
  color: var(--c-muted);
  font-size: .875rem;
}

.blog-posts {
  display: grid;
  gap: 1rem;
}

.article-card,
.related-card,
#post-nav > a {
  position: relative;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  background: var(--c-panel);
  box-shadow: var(--sh-paper);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.article-card:hover,
.article-card:focus-within,
.related-card:hover,
.related-card:focus-visible,
#post-nav > a:hover,
#post-nav > a:focus-visible {
  border-color: var(--c-accent);
  transform: translateY(-3px);
  box-shadow: var(--sh-float);
}

.blog-entry {
  padding: clamp(1.2rem, 3vw, 2rem);
}

.blog-entry h2 {
  margin: 0;
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
  line-height: 1.4;
  letter-spacing: -.01em;
  text-wrap: pretty;
}

.blog-entry h2 a {
  color: var(--c-text);
  text-decoration: none;
}

.blog-entry h2 a:hover {
  color: var(--c-accent-dark);
}

.blog-entry > p {
  margin: .8rem 0 1.1rem;
  color: var(--c-muted);
  line-height: 1.8;
}

.blog-read-link {
  color: var(--c-accent-dark);
  font-size: .9rem;
  font-weight: 700;
  text-underline-offset: .25em;
}

.blog-empty {
  padding: 2rem;
  border: 1px dashed var(--c-border);
  border-radius: var(--r-sm);
  color: var(--c-muted);
}

.blog-page .reading-wrap.article-hero,
.blog-page .reading-wrap.article-body,
.blog-page .reading-wrap.promo-block,
.blog-page .reading-wrap.article-ending,
.blog-page .reading-wrap#related-posts,
.blog-page .reading-wrap#post-nav {
  width: 100%;
  max-width: calc(56rem + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.article-body {
  padding-block: 1rem 2rem;
  font-size: 1rem;
  line-height: 1.9;
  overflow-wrap: break-word;
}

.article-body > :first-child {
  margin-top: 0;
}

.article-body p,
.article-body li,
.article-body blockquote {
  font-size: 1rem;
  line-height: 1.9;
}

.article-body p {
  margin-block: 1rem 1.25rem;
}

.article-body h2,
.article-body h3 {
  color: var(--c-text);
  font-family: var(--f-display);
  letter-spacing: -.01em;
  line-height: 1.45;
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

.article-body h2 {
  margin: 2.5rem 0 1rem;
  padding-bottom: .55rem;
  border-bottom: 1px solid var(--c-border);
  font-size: clamp(1.3rem, 2.5vw, 1.6rem);
}

.article-body h2::before {
  display: inline-block;
  width: 1.25rem;
  height: .22rem;
  margin: 0 .65rem .3rem 0;
  border-radius: var(--r-pill);
  background: var(--c-accent);
  content: "";
}

.article-body h3 {
  margin: 1.8rem 0 .7rem;
  font-size: clamp(1.13rem, 2vw, 1.3rem);
}

.article-body a {
  color: var(--c-accent-dark);
  text-underline-offset: .2em;
}

.article-body ul,
.article-body ol {
  padding-left: 1.5rem;
}

.article-body li + li {
  margin-top: .45rem;
}

.article-body blockquote {
  margin: 1.6rem 0;
  padding: .4rem 1.25rem;
  border-left: 3px solid var(--c-apricot);
  color: var(--c-muted);
  background: color-mix(in srgb, var(--c-apricot) 10%, var(--c-panel));
}

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

.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: .92rem;
}

.article-body th,
.article-body td {
  min-width: 8rem;
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--c-border);
  text-align: left;
  vertical-align: top;
}

.article-body th {
  color: var(--c-panel);
  background: var(--c-coffee);
  font-weight: 700;
}

.article-body tbody tr:nth-child(even) {
  background: var(--c-panel-2);
}

.article-body tbody tr:hover {
  background: color-mix(in srgb, var(--c-apricot) 18%, var(--c-panel));
}

.article-body pre {
  position: relative;
  max-width: 100%;
  margin: 1.6rem 0;
  padding: 2.7rem 1.25rem 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--c-coffee-line);
  border-radius: var(--r-sm);
  color: var(--c-code-key);
  background: var(--c-coffee);
  font-family: var(--f-mono);
  font-size: .875rem;
  line-height: 1.7;
}

.article-body pre::before {
  position: absolute;
  top: .85rem;
  left: 1.25rem;
  color: var(--c-apricot);
  content: "●  ●  ●";
  letter-spacing: .25em;
}

.article-body pre code {
  color: inherit;
  background: transparent;
  font: inherit;
}

.article-body :not(pre) > code {
  padding: .12em .35em;
  border-radius: var(--r-xs);
  color: var(--c-accent-dark);
  background: var(--c-panel-2);
  font-family: var(--f-mono);
  font-size: .9em;
}

.article-body .callout {
  position: relative;
  margin: 1.5rem 0;
  padding: 1rem 1.2rem 1rem 3.25rem;
  border-left: 4px solid var(--c-accent);
  border-radius: var(--r-xs);
  background: color-mix(in srgb, var(--c-accent) 9%, var(--c-panel));
}

.article-body .callout::before {
  position: absolute;
  top: 1rem;
  left: 1rem;
  width: 1.4rem;
  height: 1.4rem;
  border: 1px solid currentColor;
  border-radius: var(--r-pill);
  color: var(--c-accent-dark);
  content: "i";
  font-family: var(--f-mono);
  font-size: .85rem;
  font-weight: 700;
  line-height: 1.4rem;
  text-align: center;
}

.article-body .callout.warning {
  border-left-color: var(--c-warn);
  background: color-mix(in srgb, var(--c-warn) 11%, var(--c-panel));
}

.article-body .callout.warning::before {
  color: var(--c-warn);
}

.article-body .callout.success {
  border-left-color: var(--c-success);
  background: color-mix(in srgb, var(--c-success) 10%, var(--c-panel));
}

.article-body .callout.success::before {
  color: var(--c-success);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: .85rem;
  margin-block: 1.6rem;
}

.stat-card {
  padding: 1.15rem;
  border: 1px solid var(--c-border);
  border-top: 3px solid var(--c-accent);
  border-radius: var(--r-sm);
  background: color-mix(in srgb, var(--c-accent) 7%, var(--c-panel));
}

.stat-card:nth-child(even) {
  border-top-color: var(--c-apricot);
  background: color-mix(in srgb, var(--c-apricot) 13%, var(--c-panel));
}

.stat-num {
  display: block;
  color: var(--c-text);
  font-family: var(--f-display);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.3;
}

.stat-label {
  display: block;
  margin-top: .4rem;
  color: var(--c-muted);
  font-size: .9rem;
}

.article-body .check-list {
  margin: 1.4rem 0;
  padding: .65rem;
  list-style: none;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  background: var(--c-panel-2);
}

.article-body .check-list li {
  margin: 0;
  padding: .65rem .85rem;
  list-style: none;
  border-radius: var(--r-xs);
  background: var(--c-panel);
}

.article-body .check-list li + li {
  margin-top: .5rem;
}

.verdict {
  margin: 1.6rem 0;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--c-accent);
  border-radius: var(--r-xs);
  background: color-mix(in srgb, var(--c-accent) 9%, var(--c-panel));
  line-height: 1.8;
}

.verdict strong {
  color: var(--c-accent-dark);
}

.promo-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-block: 1.5rem 2rem;
  padding-block: 1.8rem;
  border-top: 3px solid var(--c-apricot);
  border-bottom: 3px solid var(--c-apricot);
  color: var(--c-panel);
  background: var(--c-coffee);
}

.promo-block strong {
  color: var(--c-panel);
  font-family: var(--f-display);
  font-size: 1.5rem;
  font-weight: 800;
}

.promo-block p {
  margin: .5rem 0 0;
  color: var(--c-panel);
  line-height: 1.7;
}

.promo-block .btn-primary {
  flex: none;
  border: 1px solid var(--c-panel);
  color: var(--c-accent-dark);
  background: var(--c-panel);
}

.promo-block .btn-primary:hover,
.promo-block .btn-primary:focus-visible {
  color: var(--c-text);
  background: var(--c-panel-2);
}

#related-posts {
  padding-block: 1rem 1.5rem;
}

#related-posts h2 {
  margin: 0 0 1rem;
  font-size: 1.45rem;
  letter-spacing: -.01em;
  text-wrap: pretty;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: .85rem;
}

.related-card {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: 1.15rem;
  color: var(--c-text);
  text-decoration: none;
}

.related-card__meta {
  color: var(--c-accent-dark);
  font-size: .8rem;
  line-height: 1.5;
}

.related-card strong {
  font-size: 1rem;
  line-height: 1.5;
  text-wrap: pretty;
}

.related-card__summary {
  color: var(--c-muted);
  font-size: .88rem;
  line-height: 1.65;
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .85rem;
  padding-block: .5rem 3rem;
}

#post-nav > a {
  min-width: 0;
}

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

.signup-modal-backdrop {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: var(--gutter);
  background: color-mix(in srgb, var(--c-coffee) 72%, transparent);
  opacity: 0;
  transition: opacity .18s ease;
}

.signup-modal-backdrop.is-open {
  opacity: 1;
}

.signup-modal {
  position: relative;
  width: min(100%, 30rem);
  padding: clamp(1.5rem, 5vw, 2.25rem);
  border: 1px solid var(--c-border);
  border-top: 4px solid var(--c-accent);
  border-radius: var(--r-md);
  color: var(--c-text);
  background: var(--c-panel);
  box-shadow: var(--sh-float);
  transform: translateY(.6rem);
  transition: transform .18s ease;
}

.is-open .signup-modal {
  transform: translateY(0);
}

.signup-modal__close {
  position: absolute;
  top: .8rem;
  right: .8rem;
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--c-border);
  border-radius: var(--r-pill);
  color: var(--c-text);
  background: var(--c-panel);
  font-size: 1.5rem;
  cursor: pointer;
}

.signup-modal__brand {
  color: var(--c-accent-dark);
  font-family: var(--f-mono);
  font-weight: 700;
}

.signup-modal h2 {
  margin: .75rem 2rem .65rem 0;
  font-size: 1.6rem;
  line-height: 1.4;
  text-wrap: pretty;
}

.signup-modal p {
  margin: 0 0 1.5rem;
  color: var(--c-muted);
  line-height: 1.8;
}

.signup-modal__action {
  display: inline-flex;
}

@media (max-width: 860px) {
  .article-body table:not(.table-scroll table) {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
  }

  .article-body table {
    min-width: 35rem;
  }
}

@media (max-width: 640px) {
  .blog-filter {
    flex-wrap: nowrap;
    overflow-x: auto;
  }

  .blog-filter button {
    flex: none;
  }

  .promo-block {
    flex-direction: column;
    align-items: flex-start;
  }

  #post-nav {
    grid-template-columns: 1fr;
  }

  .blog-page .no-break {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-card,
  .related-card,
  #post-nav > a,
  .signup-modal-backdrop,
  .signup-modal {
    transition: none;
  }

  .article-card:hover,
  .article-card:focus-within,
  .related-card:hover,
  .related-card:focus-visible,
  #post-nav > a:hover,
  #post-nav > a:focus-visible,
  .signup-modal {
    transform: none;
  }
}