/* ==========================================================================
   V2Ray官方中文网 · 博客系统样式
   列表页 / 文章页 / 关联内容 / 下载弹窗
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 博客列表页
   -------------------------------------------------------------------------- */

.blog-hero {
  padding: 3.25rem 0 2.25rem;
}

.blog-hero__panel {
  padding: 2.75rem 3rem;
  border: 1px solid var(--line);
  border-radius: var(--r-stage);
  background: linear-gradient(135deg, var(--panel) 0%, var(--panel-2) 100%);
}

.blog-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin: 0 0 0.875rem;
  padding: 0.3125rem 0.875rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--bg);
  color: var(--accent-dark);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.blog-hero__title {
  margin: 0 0 0.875rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 1.2rem + 2.2vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.blog-hero__lead {
  max-width: 46rem;
  margin: 0;
  color: var(--ink-muted);
  font-size: clamp(0.9375rem, 0.875rem + 0.35vw, 1.0625rem);
  line-height: 1.75;
}

.blog-section {
  padding: 1.5rem 0 4.5rem;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin: 0 0 1.75rem;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.125rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--bg);
  color: var(--ink-muted);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.4;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.filter-chip:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.filter-chip.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #FFFFFF;
  box-shadow: var(--shadow-btn);
}

.filter-chip.is-active:hover {
  color: #FFFFFF;
}

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

.post-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1.75rem;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--bg);
  box-shadow: var(--shadow-float);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.post-card:hover {
  transform: translateY(-3px);
  border-color: var(--panel-2);
  box-shadow: var(--shadow-back);
}

.post-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 0.875rem;
}

.post-card__date {
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.post-card__tag {
  display: inline-flex;
  align-items: center;
  padding: 0.1875rem 0.625rem;
  border-radius: var(--r-pill);
  background: var(--accent-tint);
  color: var(--accent-dark);
  font-size: 0.75rem;
  font-weight: 600;
}

.post-card__title {
  margin: 0 0 0.625rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.post-card__title a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s ease;
}

.post-card__title a:hover {
  color: var(--accent-dark);
}

.post-card__summary {
  flex: 1 1 auto;
  margin: 0 0 1.125rem;
  color: var(--ink-muted);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.post-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease, gap 0.2s ease;
}

.post-card__link:hover {
  color: var(--accent-dark);
  gap: 0.625rem;
}

.post-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 2.5rem;
  border: 1px dashed var(--line);
  border-radius: var(--r-card);
  color: var(--ink-muted);
  text-align: center;
}

/* --------------------------------------------------------------------------
   2. 面包屑
   标准类 .page-crumbs 的几何与节奏由面板在文件尾部统一追加,此处只写皮肤;
   nav.breadcrumb / nav.breadcrumbs 为兜底别名,写完整样式
   -------------------------------------------------------------------------- */

.page-crumbs {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--ink-muted);
}

.page-crumbs a {
  color: var(--ink-muted);
  opacity: 0.6;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.page-crumbs a:hover {
  color: var(--accent);
  opacity: 1;
}

.page-crumbs [aria-current="page"] {
  color: var(--ink-muted);
  opacity: 0.75;
}

.page-crumbs [aria-hidden="true"] {
  color: var(--ink-muted);
  opacity: 0.35;
}

nav.breadcrumb,
nav.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1.25rem 0;
  padding: 0;
  list-style: none;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--ink-muted);
  white-space: nowrap;
  overflow: hidden;
}

nav.breadcrumb a,
nav.breadcrumbs a {
  color: var(--ink-muted);
  opacity: 0.6;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

nav.breadcrumb a:hover,
nav.breadcrumbs a:hover {
  color: var(--accent);
  opacity: 1;
}

nav.breadcrumb [aria-current="page"],
nav.breadcrumbs [aria-current="page"] {
  flex: 0 1 auto;
  min-width: 0;
  max-width: 30ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ink-muted);
  opacity: 0.75;
}

nav.breadcrumb [aria-hidden="true"],
nav.breadcrumbs [aria-hidden="true"] {
  color: var(--ink-muted);
  opacity: 0.35;
}

/* 文章页首屏兜底:面包屑所在区块不使用首页级大节距 */
main section:has(.page-crumbs),
main section:has(nav.breadcrumb),
main section:has(nav.breadcrumbs) {
  padding-top: 2.25rem;
}

/* --------------------------------------------------------------------------
   3. 文章页 Hero(皮肤)
   几何与节奏由面板在文件尾部统一追加,此处只写皮肤
   -------------------------------------------------------------------------- */

.article-head {
  border: 1px solid var(--line);
  border-radius: var(--r-sheet);
  background: linear-gradient(135deg, var(--panel) 0%, var(--panel-2) 100%);
}

.article-head h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8125rem;
  color: var(--ink-muted);
}

.post-meta__date {
  font-family: var(--font-mono);
}

.post-meta__tag {
  display: inline-flex;
  align-items: center;
  padding: 0.1875rem 0.625rem;
  border-radius: var(--r-pill);
  background: var(--accent-tint);
  color: var(--accent-dark);
  font-size: 0.75rem;
  font-weight: 600;
}

.post-meta__read {
  font-family: var(--font-mono);
}

.post-meta a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

.post-meta a:hover {
  color: var(--accent-dark);
}

.intro-lead {
  font-size: clamp(0.9375rem, 0.85rem + 0.45vw, 1.125rem);
  line-height: 1.7;
  color: var(--ink-muted);
}

/* --------------------------------------------------------------------------
   4. 文章正文
   -------------------------------------------------------------------------- */

.post-body {
  font-family: var(--font-body);
  color: var(--ink);
  font-size: 1.0625rem;
  line-height: 1.85;
}

.post-body p {
  margin: 0 0 1.25rem;
}

.post-body h2 {
  margin: 2.5rem 0 0.875rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.05rem + 0.7vw, 1.5rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.post-body h2:first-of-type {
  margin-top: 0;
}

.post-body h3 {
  margin: 2rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.0625rem, 0.95rem + 0.4vw, 1.25rem);
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.post-body h4 {
  margin: 1.5rem 0 0.625rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.post-body ul,
.post-body ol {
  margin: 0 0 1.25rem;
  padding-left: 1.375rem;
}

.post-body li {
  margin: 0 0 0.5rem;
  line-height: 1.75;
}

.post-body a:not([class*="btn"]):not([class*="button"]):not([class*="cta"]) {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--accent-mist);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.2s ease;
}

.post-body a:not([class*="btn"]):not([class*="button"]):not([class*="cta"]):hover {
  color: var(--accent-dark);
  text-decoration-color: var(--accent);
}

.post-body strong {
  color: var(--ink);
  font-weight: 700;
}

.post-body code {
  padding: 0.15em 0.4em;
  border-radius: 0.375rem;
  background: var(--panel);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.875em;
  overflow-wrap: anywhere;
}

.post-body pre {
  margin: 1.5rem 0;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sheet);
  background: var(--ink);
  color: var(--panel-2);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  overflow-x: auto;
}

.post-body pre code {
  padding: 0;
  background: transparent;
  color: inherit;
  font-size: inherit;
}

.post-body blockquote {
  margin: 1.5rem 0;
  padding: 0.875rem 1.25rem;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--r-sheet) var(--r-sheet) 0;
  background: var(--panel);
  color: var(--ink-muted);
}

.post-body blockquote p {
  margin: 0;
}

.post-body table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.post-body th,
.post-body td {
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--line);
  text-align: left;
}

.post-body th {
  background: var(--panel);
  color: var(--ink);
  font-weight: 700;
}

.post-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--r-sheet);
}

.post-body hr {
  margin: 2rem 0;
  border: none;
  border-top: 1px solid var(--line);
}

/* --------------------------------------------------------------------------
   5. 文末下载引导卡
   -------------------------------------------------------------------------- */

.dl-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin: 2.5rem 0 0;
  padding: 1.75rem 2rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sheet);
  background: linear-gradient(135deg, var(--panel) 0%, var(--panel-2) 100%);
  box-shadow: var(--shadow-float);
}

.dl-card__body {
  min-width: 0;
}

.dl-card__title {
  margin: 0 0 0.375rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--ink);
}

.dl-card__desc {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.dl-card .cta {
  flex-shrink: 0;
  white-space: nowrap;
}

/* 兜底:未使用 .cta 时的按钮皮肤 */
.dl-card__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0.75rem 1.5rem;
  border-radius: var(--r-pill);
  background: var(--accent);
  color: #FFFFFF;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  box-shadow: var(--shadow-btn);
  transition: background-color 0.2s ease;
}

.dl-card__cta:hover {
  background: var(--accent-dark);
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   6. 延伸阅读
   -------------------------------------------------------------------------- */

.related-block {
  max-width: 820px;
  margin: 3rem auto 0;
}

.related-block__title {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}

#related-posts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  max-width: 820px;
  margin: 0 auto;
}

.rel-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sheet);
  background: var(--bg);
  box-shadow: var(--shadow-tag);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.rel-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-float);
}

.rel-card__tag {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  padding: 0.1875rem 0.625rem;
  border-radius: var(--r-pill);
  background: var(--accent-tint);
  color: var(--accent-dark);
  font-size: 0.75rem;
  font-weight: 600;
}

.rel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.rel-card__title a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s ease;
}

.rel-card__title a:hover {
  color: var(--accent-dark);
}

.rel-card__date {
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

/* --------------------------------------------------------------------------
   7. 上一篇 / 下一篇
   -------------------------------------------------------------------------- */

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  max-width: 820px;
  margin: 2.5rem auto 0;
}

#post-nav > :only-child {
  grid-column: 1 / -1;
}

.post-nav__item {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  min-width: 0;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sheet);
  background: var(--bg);
  box-shadow: var(--shadow-tag);
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.post-nav__item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-float);
}

.post-nav__item--next {
  text-align: right;
}

.post-nav__label {
  color: var(--ink-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.post-nav__title {
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.post-nav__item:hover .post-nav__title {
  color: var(--accent-dark);
}

/* --------------------------------------------------------------------------
   8. 下载引导弹窗
   -------------------------------------------------------------------------- */

body.has-modal {
  overflow: hidden;
}

.dlmodal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: rgba(22, 51, 64, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.dlmodal.is-open {
  opacity: 1;
  visibility: visible;
}

.dlmodal__panel {
  position: relative;
  width: min(30rem, 100%);
  padding: 2.25rem 2rem 2rem;
  border-radius: var(--r-sheet);
  background: var(--bg);
  box-shadow: var(--shadow-back);
  transform: translateY(14px) scale(0.97);
  transition: transform 0.25s ease;
}

.dlmodal.is-open .dlmodal__panel {
  transform: translateY(0) scale(1);
}

.dlmodal__close {
  position: absolute;
  top: 0.875rem;
  right: 0.875rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: none;
  border-radius: var(--r-pill);
  background: var(--panel);
  color: var(--ink-muted);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.dlmodal__close:hover {
  background: var(--accent-tint);
  color: var(--accent-dark);
}

.dlmodal__close svg {
  width: 1rem;
  height: 1rem;
}

.dlmodal__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
}

.dlmodal__desc {
  margin: 0 0 1.5rem;
  color: var(--ink-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.dlmodal__cta {
  min-width: 10rem;
}

/* --------------------------------------------------------------------------
   9. 焦点可见
   -------------------------------------------------------------------------- */

.filter-chip:focus-visible,
.post-card__title a:focus-visible,
.post-card__link:focus-visible,
.rel-card__title a:focus-visible,
.post-nav__item:focus-visible,
.dl-card .cta:focus-visible,
.dl-card__cta:focus-visible,
.dlmodal__close:focus-visible,
.dlmodal__cta:focus-visible,
.page-crumbs a:focus-visible,
nav.breadcrumb a:focus-visible,
nav.breadcrumbs a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   10. 响应式
   -------------------------------------------------------------------------- */

@media (max-width: 767px) {
  .blog-hero {
    padding: 2.25rem 0 1.25rem;
  }

  .blog-hero__panel {
    padding: 2rem 1.5rem;
  }

  .blog-hero__title {
    font-size: clamp(1.375rem, 1.1rem + 1.5vw, 1.875rem);
  }

  .blog-filters {
    margin-bottom: 1.25rem;
  }

  .post-grid,
  #related-posts,
  #post-nav {
    grid-template-columns: 1fr;
  }

  .post-card {
    padding: 1.5rem;
  }

  .post-card__title {
    font-size: 1.125rem;
  }

  .dl-card {
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem;
  }

  .dl-card .cta,
  .dl-card__cta {
    align-self: flex-start;
  }

  .dlmodal__panel {
    padding: 1.875rem 1.5rem 1.5rem;
  }

  .post-body {
    font-size: 1rem;
  }
}

/* --------------------------------------------------------------------------
   11. 减弱动效
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .filter-chip,
  .post-card,
  .post-card__link,
  .rel-card,
  .post-nav__item,
  .dl-card__cta,
  .dlmodal,
  .dlmodal__panel,
  .dlmodal__close {
    transition: none;
  }

  .post-card:hover,
  .rel-card:hover,
  .post-nav__item:hover {
    transform: none;
  }
}

/* ═══ blog-components v1(2026-08-18 面板统一追加,勿手改;色调全部 color-mix 吃站点令牌,
   明暗主题自适应)——文章富文本组件词汇表,写作端只填内容不写样式 ═══ */
.info-summary, .info-stats, .info-steps, .info-compare, .info-faq, .info-errors,
.info-config, .info-scheme, .info-insight, .info-flow { margin: 1.25rem 0; }

/* 色调系统:a=品牌主色 b=品牌强调色 c=青 d=琥珀 e=玫红(低饱和淡染,任何主题都压得住) */
[data-tone="a"], .info-tone-a { --info-tone: var(--color-primary, #4f7cff); }
[data-tone="b"], .info-tone-b { --info-tone: var(--color-accent, var(--color-primary, #7c5cff)); }
[data-tone="c"], .info-tone-c { --info-tone: #0e9f8a; }
[data-tone="d"], .info-tone-d { --info-tone: #d97706; }
[data-tone="e"], .info-tone-e { --info-tone: #e11d48; }

/* 本文速览卡 */
.info-summary {
  border: 1px solid color-mix(in srgb, var(--color-primary, #4f7cff) 28%, transparent);
  background: color-mix(in srgb, var(--color-primary, #4f7cff) 7%, transparent);
  border-radius: 12px;
  padding: 0.875rem 1.125rem;
  font-size: 0.9375rem;
  line-height: 1.7;
}
.info-summary strong { display: block; font-size: 0.8125rem; letter-spacing: 0.02em; opacity: 0.75; margin-bottom: 0.25rem; }
.info-summary p { margin: 0; font-size: inherit !important; }

/* 数据瓦片行 */
.info-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.75rem; }
.info-stats[data-cols="2"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.info-stats[data-cols="4"] { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.info-stat {
  --info-tone: var(--color-primary, #4f7cff);
  text-align: center;
  padding: 0.75rem 0.5rem;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--info-tone) 26%, transparent);
  background: color-mix(in srgb, var(--info-tone) 7%, transparent);
}
.info-stat__num { font-size: 1.375rem; font-weight: 800; line-height: 1.2; color: color-mix(in srgb, var(--info-tone) 62%, var(--color-text, currentColor)); }
.info-stat__label { font-size: 0.75rem; opacity: 0.72; margin-top: 0.125rem; line-height: 1.45; }

/* 编号步骤卡 */
.info-steps { list-style: none; counter-reset: bcstep; padding: 0; display: grid; gap: 0.75rem; }
.info-step {
  counter-increment: bcstep;
  position: relative;
  padding: 0.875rem 1rem 0.875rem 3.25rem;
  border: 1px solid color-mix(in srgb, var(--color-text, #888) 14%, transparent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--color-text, #888) 3%, transparent);
}
.info-step::before {
  content: counter(bcstep);
  position: absolute; left: 0.875rem; top: 0.875rem;
  width: 1.75rem; height: 1.75rem; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 0.875rem; font-weight: 700;
  background: var(--color-primary, #4f7cff);
  color: var(--color-bg, var(--color-canvas, #fff));
}
.info-step h4 { margin: 0 0 0.25rem; font-size: 0.9375rem !important; line-height: 1.5; }
.info-step p { margin: 0; font-size: 0.875rem; line-height: 1.65; opacity: 0.88; }

/* 对比卡组 */
.info-compare { display: grid; gap: 0.75rem; }
.info-compare__item {
  border: 1px solid color-mix(in srgb, var(--color-text, #888) 14%, transparent);
  border-radius: 12px;
  padding: 0.875rem 1rem;
  background: color-mix(in srgb, var(--color-text, #888) 3%, transparent);
}
.info-compare__item.is-best {
  border: 2px solid color-mix(in srgb, var(--color-primary, #4f7cff) 55%, transparent);
  background: color-mix(in srgb, var(--color-primary, #4f7cff) 6%, transparent);
}
.info-compare__item > header { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.375rem; }
.info-compare__item h4 { margin: 0; font-size: 0.9375rem !important; line-height: 1.5; }
.info-compare__tag {
  font-size: 0.6875rem; font-weight: 700; line-height: 1;
  padding: 0.25rem 0.5rem; border-radius: 999px;
  background: var(--color-primary, #4f7cff);
  color: var(--color-bg, var(--color-canvas, #fff));
}
.info-compare__item p { margin: 0 0 0.375rem; font-size: 0.875rem; line-height: 1.65; opacity: 0.88; }
.info-compare__scene {
  font-size: 0.8125rem !important; opacity: 1 !important;
  padding: 0.375rem 0.625rem; border-radius: 8px; margin: 0 !important;
  background: color-mix(in srgb, var(--color-primary, #4f7cff) 9%, transparent);
}

/* 问答彩卡 */
.info-faq { display: grid; gap: 0.75rem; }
.info-faq__item {
  --info-tone: var(--color-primary, #4f7cff);
  border: 1px solid color-mix(in srgb, var(--info-tone) 26%, transparent);
  background: color-mix(in srgb, var(--info-tone) 6%, transparent);
  border-radius: 12px;
  padding: 0.875rem 1rem;
}
.info-faq__item h4 { margin: 0 0 0.3125rem; font-size: 0.9375rem !important; line-height: 1.5; }
.info-faq__item h4::before { content: "Q "; font-weight: 800; color: color-mix(in srgb, var(--info-tone) 62%, var(--color-text, currentColor)); }
.info-faq__item p { margin: 0; font-size: 0.875rem; line-height: 1.65; opacity: 0.88; }

/* 报错排查卡 */
.info-errors { display: grid; gap: 0.75rem; }
.info-error {
  border: 1px solid color-mix(in srgb, #e11d48 22%, transparent);
  border-left: 4px solid color-mix(in srgb, #e11d48 62%, transparent);
  border-radius: 10px;
  padding: 0.875rem 1rem;
  background: color-mix(in srgb, #e11d48 5%, transparent);
}
.info-error h4 {
  margin: 0 0 0.3125rem; font-size: 0.875rem !important; line-height: 1.5;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.info-error p { margin: 0; font-size: 0.875rem; line-height: 1.65; opacity: 0.88; }

/* 键值配置卡 */
.info-config { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
.info-config__card {
  --info-tone: var(--color-primary, #4f7cff);
  border: 1px solid color-mix(in srgb, var(--info-tone) 26%, transparent);
  background: color-mix(in srgb, var(--info-tone) 6%, transparent);
  border-radius: 12px;
  padding: 0.875rem 1rem;
}
.info-config__card h4 { margin: 0 0 0.5rem; font-size: 0.9375rem !important; line-height: 1.5; color: color-mix(in srgb, var(--info-tone) 58%, var(--color-text, currentColor)); }
.info-config__card dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 0.25rem 0.75rem; font-size: 0.8125rem; line-height: 1.6; }
.info-config__card dt { font-weight: 600; opacity: 0.7; }
.info-config__card dd { margin: 0; }
.info-config__note {
  margin: 0.625rem 0 0 !important; padding: 0.375rem 0.625rem; border-radius: 8px;
  font-size: 0.75rem !important; line-height: 1.55;
  background: color-mix(in srgb, var(--info-tone) 11%, transparent);
}

/* 双栏方案面板 */
.info-scheme {
  border: 1px solid color-mix(in srgb, var(--color-primary, #4f7cff) 24%, transparent);
  background: color-mix(in srgb, var(--color-primary, #4f7cff) 4%, transparent);
  border-radius: 14px;
  padding: 1rem 1.125rem;
}
.info-scheme__title { margin: 0 0 0.75rem; font-size: 1rem !important; line-height: 1.5; }
.info-scheme__cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.info-scheme__col h5 { margin: 0 0 0.375rem; font-size: 0.875rem; line-height: 1.5; opacity: 0.92; }
.info-scheme__col ul { margin: 0; padding-left: 1.125rem; font-size: 0.875rem; line-height: 1.7; }
.info-scheme__note {
  margin: 0.875rem 0 0 !important; padding: 0.5rem 0.75rem; border-radius: 8px;
  font-size: 0.8125rem !important; line-height: 1.6;
  background: color-mix(in srgb, var(--color-primary, #4f7cff) 10%, transparent);
}

/* 洞察结论卡 */
.info-insight {
  border: 1px solid color-mix(in srgb, #0e9f8a 30%, transparent);
  background: linear-gradient(135deg,
    color-mix(in srgb, #0e9f8a 8%, transparent),
    color-mix(in srgb, var(--color-primary, #4f7cff) 7%, transparent));
  border-radius: 12px;
  padding: 0.875rem 1.125rem;
}
.info-insight h4 { margin: 0 0 0.25rem; font-size: 0.9375rem !important; line-height: 1.5; }
.info-insight h4::before { content: "💡 "; }
.info-insight p { margin: 0; font-size: 0.875rem; line-height: 1.68; opacity: 0.9; }

/* 流程链 */
.info-flow { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; }
.info-flow span {
  font-size: 0.8125rem; line-height: 1.5;
  padding: 0.375rem 0.75rem; border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--color-primary, #4f7cff) 30%, transparent);
  background: color-mix(in srgb, var(--color-primary, #4f7cff) 7%, transparent);
}
.info-flow span:not(:last-child)::after {
  content: "→";
  margin-left: 0.5rem; margin-right: -0.25rem;
  opacity: 0.45;
}

@media (max-width: 720px) {
  .info-stats, .info-stats[data-cols="4"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .info-config, .info-scheme__cols { grid-template-columns: 1fr; }
}

/* ═══ article-shell v1(面板统一追加,勿手改;文章页骨架几何——限宽/对齐/节奏由此钉死,
   上方站点自有样式只负责这些类的皮肤:颜色/字体/背景/边框 ═══ */
.page-crumbs, nav.breadcrumb, nav.breadcrumbs {
  max-width: 660px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 24px);
  display: flex; align-items: center; gap: 0.5rem;
  white-space: nowrap; overflow: hidden;
  font-size: 13px; line-height: 1.5;
  margin-top: 1.5rem; margin-bottom: 1.25rem;
}
.page-crumbs a, nav.breadcrumb a, nav.breadcrumbs a { text-decoration: none; color: inherit; opacity: 0.62; }
.page-crumbs a:hover, nav.breadcrumb a:hover, nav.breadcrumbs a:hover { opacity: 1; }
.page-crumbs [aria-hidden], nav.breadcrumb [aria-hidden], nav.breadcrumbs [aria-hidden] { opacity: 0.35; }
.page-crumbs [aria-current="page"], nav.breadcrumb [aria-current="page"], nav.breadcrumbs [aria-current="page"] {
  max-width: 30ch; overflow: hidden; text-overflow: ellipsis; flex: 0 1 auto; min-width: 0; opacity: 0.85;
}
.article-head { padding-block: 0.75rem 1.5rem; }
.intro-inner { max-width: 660px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 24px); }
.post-meta { margin: 0 0 1.1rem; font-size: 13px; line-height: 1.6; opacity: 0.72; }
.intro-inner h1 { margin: 0; max-width: 100%; line-height: 1.28; font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem); }
.intro-lead { margin: 1.2rem 0 0; font-size: clamp(0.9375rem, 0.85rem + 0.45vw, 1.125rem); line-height: 1.7; opacity: 0.82; }
.post-body { max-width: 660px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 24px); padding-block: 0.25rem 3rem; }
.post-body > h2:first-of-type { margin-top: 0; }