/* Article reading layout, paired with the blog's shared visual styles. */
.article-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(20px, 2.85vw, 34px) var(--page-gutter) clamp(32px, 5.4vw, 64px);
}
.article-breadcrumb {
  margin-bottom: clamp(18px, 2.2vw, 26px);
  font-size: clamp(10.5px, 1vw, 12px);
  color: var(--muted);
}
.article-breadcrumb ol {
  list-style: none;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px clamp(8px, 1vw, 12px);
  margin: 0;
  padding: 0;
}
.article-breadcrumb li {
  display: flex;
  gap: clamp(8px, 1vw, 12px);
  min-width: 0;
  overflow-wrap: anywhere;
}
.article-breadcrumb li + li::before {
  content: "/";
  color: #b5bdca;
}
.article-breadcrumb a:hover {
  color: var(--brand);
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(0, 280px);
  justify-content: space-between;
  gap: clamp(32px, 5vw, 60px);
  align-items: start;
}
.article-main {
  min-width: 0;
}
.article-heading h1 {
  margin: 0 0 clamp(14px, 1.85vw, 22px);
  font-size: clamp(22px, 17px + 1.6vw, 36px);
  line-height: 1.27;
  letter-spacing: -0.03em;
  font-weight: 750;
  overflow-wrap: anywhere;
  text-wrap: pretty;
}
.article-meta {
  margin-bottom: clamp(18px, 2.35vw, 28px);
  font-size: clamp(10.5px, 1vw, 12px);
}
.article-author {
  color: var(--brand);
  font-weight: 600;
  display: inline-block;
  margin-bottom: clamp(5px, 0.6vw, 7px);
}
.article-author:hover {
  text-decoration: underline;
}
.article-meta__details {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  flex-wrap: wrap;
}
.article-cover {
  margin: 0 0 clamp(16px, 2vw, 24px);
  background: #f2f5fa;
  border-radius: 8px;
  overflow: hidden;
}
.article-cover img {
  width: 100%;
  height: auto;
}
.article-deck {
  font-size: clamp(12.5px, 11.5px + 0.3vw, 15px);
  line-height: 1.65;
  color: #536176;
  margin: 0 0 clamp(16px, 1.85vw, 22px);
  padding: 0 0 clamp(12px, 1.5vw, 18px);
  border-bottom: 1px solid var(--line);
  font-style: italic;
}
.article-content {
  font-size: clamp(14px, 13px + 0.35vw, 16px);
  line-height: 1.65;
  color: #293548;
  letter-spacing: -0.005em;
  overflow-wrap: anywhere;
  scroll-margin-top: 24px;
}
.article-content > :first-child {
  margin-top: 0;
}
.article-content p {
  margin: 0 0 0.8em;
}
.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--ink);
  line-height: 1.3;
  letter-spacing: -0.02em;
  scroll-margin-top: 24px;
}
.article-content h2 {
  font-size: clamp(18px, 15.5px + 0.8vw, 25px);
  font-weight: 700;
  margin: 1.05em 0 0.4em;
}
.article-content h3 {
  font-size: clamp(16px, 13.5px + 0.65vw, 21px);
  font-weight: 650;
  margin: 1em 0 0.35em;
}
.article-content h4 {
  font-size: clamp(15px, 12.5px + 0.5vw, 18px);
  font-weight: 650;
  margin: 0.95em 0 0.35em;
}
.article-content a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.article-content a:hover {
  color: var(--navy);
}
.article-content ul,
.article-content ol {
  margin: 0 0 0.9em;
  padding-left: 1.6em;
}
.article-content li {
  padding-left: 0.2em;
  margin: 0.3em 0;
}
.article-content li > p {
  margin-bottom: 0.5em;
}
.article-content blockquote {
  border-left: 3px solid var(--brand);
  background: #f5f8fe;
  margin: 1.5em 0;
  padding: clamp(12px, 1.5vw, 18px) clamp(14px, 1.85vw, 22px);
  color: #42516a;
}
.article-content blockquote > :last-child {
  margin-bottom: 0;
}
.article-content img,
.article-content video {
  max-width: 100% !important;
  height: auto !important;
  border-radius: 6px;
}
.article-content iframe {
  max-width: 100%;
}
.article-content figure {
  max-width: 100%;
  margin: 1.5em 0;
}
.article-content figure.image {
  margin-left: auto;
  margin-right: auto;
}
.article-content figure.image img {
  display: block;
  margin: 0 auto;
}
.article-content figcaption {
  font-size: clamp(10.5px, 1vw, 12px);
  color: var(--muted);
  text-align: center;
  margin-top: 10px;
}
.article-content pre {
  max-width: 100%;
  overflow: auto;
  padding: clamp(12px, 1.7vw, 20px);
  background: #f4f6fa;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: clamp(11px, 1.1vw, 13px);
  line-height: 1.7;
}
.article-content code {
  background: #f1f4f9;
  border-radius: 3px;
  padding: 2px 5px;
  font-size: 0.88em;
}
.article-content pre code {
  padding: 0;
  background: none;
}
.article-content table {
  display: block;
  overflow-x: auto;
  max-width: 100%;
  border-collapse: collapse;
  margin: clamp(18px, 2vw, 24px) 0;
  font-size: clamp(12px, 1.2vw, 14px);
}
.article-content th,
.article-content td {
  padding: clamp(8px, 1vw, 12px) clamp(10px, 1.35vw, 16px);
  border: 1px solid var(--line);
  text-align: left;
  min-width: 100px;
}
.article-content th {
  background: #f5f7fb;
  font-weight: 600;
}
.article-content hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: clamp(22px, 2.7vw, 32px) 0;
}
.article-content p:empty {
  display: none;
}
.article-sidebar {
  position: sticky;
  top: calc(var(--navbar-height) + 24px);
  min-width: 0;
}
.article-latest {
  margin-top: clamp(22px, 2.5vw, 30px);
}
.article-latest h2 {
  font-size: clamp(15px, 1.5vw, 18px);
  letter-spacing: -0.3px;
  margin: 0 0 clamp(12px, 1.5vw, 18px);
}
.article-latest__item {
  display: flex;
  align-items: flex-start;
  gap: clamp(10px, 1vw, 12px);
  padding: 0 0 clamp(12px, 1.5vw, 18px);
  margin: 0 0 clamp(12px, 1.5vw, 18px);
  border-bottom: 1px solid var(--line);
}
.article-latest__item img {
  flex: none;
  width: clamp(68px, 7vw, 84px);
  height: auto;
  aspect-ratio: 5/4;
  object-fit: cover;
  border-radius: 5px;
}
.article-latest__item span {
  font-size: clamp(11px, 1.05vw, 12px);
  font-weight: 600;
  line-height: 1.65;
}
.article-latest__item:hover {
  color: var(--brand);
}
.article-sidebar__back {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--brand);
  margin-top: 22px;
}
.article-end {
  margin-top: clamp(24px, 2.85vw, 34px);
  padding-top: clamp(18px, 2vw, 24px);
  border-top: 1px solid var(--line);
}
.article-category {
  display: inline-block;
  padding: clamp(5px, 0.5vw, 6px) clamp(8px, 1vw, 11px);
  background: #eef3fe;
  color: var(--brand);
  border-radius: 4px;
  font-size: clamp(10.5px, 0.95vw, 11px);
  font-weight: 500;
}
.article-category:hover {
  background: #e1eaff;
}
.article-share {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px clamp(14px, 1.7vw, 20px);
  margin-top: clamp(18px, 2vw, 24px);
}
.article-share__label {
  font-size: clamp(11.5px, 1.1vw, 13px);
  font-weight: 600;
}
.article-share__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.article-share__actions > a,
.article-share__actions > button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: clamp(5px, 0.7vw, 8px);
  min-height: clamp(36px, 3.2vw, 38px);
  padding: 7px clamp(8px, 1vw, 12px);
  border: 1px solid #dce3ed;
  border-radius: 5px;
  background: white;
  color: #43516a;
  font-size: clamp(10.5px, 1vw, 12px);
  cursor: pointer;
}
.article-share__actions > button[hidden] {
  display: none;
}
.article-share__actions svg {
  width: clamp(13px, 1.25vw, 15px);
  height: clamp(13px, 1.25vw, 15px);
}
.article-share__actions > a:hover,
.article-share__actions > button:hover {
  color: var(--brand);
  border-color: var(--brand);
}
.article-copy-status {
  font-size: clamp(11px, 1vw, 12px);
  color: var(--brand);
}
.article-copy-status:empty {
  display: none;
}
.article-copy-fallback {
  width: 100%;
  font-size: 12px;
}
.article-copy-fallback label {
  display: block;
  margin-bottom: 6px;
}
.article-copy-fallback input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  padding: 10px;
  border-radius: 4px;
}
.article-related {
  margin-top: clamp(30px, 4.7vw, 56px);
  padding-top: clamp(22px, 2.7vw, 32px);
  border-top: 1px solid var(--line);
}
.article-related .blog-section-heading > a {
  font-size: clamp(11px, 1vw, 12px);
  white-space: nowrap;
  color: var(--brand);
}
.article-related__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--card-gap);
}
.article-related .blog-card h3 {
  font-size: clamp(14px, 11.5px + 0.5vw, 17px);
}
.article-related .blog-card__image {
  aspect-ratio: 16/9;
}
.article-not-found {
  padding: clamp(40px, 6.7vw, 80px) 14px clamp(48px, 8.4vw, 100px);
  text-align: center;
  min-height: 60vh;
}
.article-not-found__code {
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
}
.article-not-found h1 {
  font-size: clamp(22px, 16px + 1.2vw, 30px);
  letter-spacing: -0.7px;
  margin: 18px 0 24px;
}
.article-not-found > a {
  font-size: 14px;
  color: var(--brand);
}

@media (max-width: 1100px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 32px;
  }
}
@media (max-width: 900px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }
  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 24px;
    border-top: 1px solid var(--line);
    padding-top: 24px;
  }
  .article-latest {
    margin: 0;
  }
  .article-sidebar__back {
    grid-column: 2;
    margin-top: 0;
    align-self: start;
  }
  .article-related__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .article-cover {
    max-height: 440px;
  }
  .article-cover img {
    width: 100%;
    max-height: 440px;
    object-fit: cover;
  }
}
@media (max-width: 600px) {
  .article-breadcrumb ol {
    row-gap: 5px;
  }
  .article-meta__details {
    gap: 7px;
  }
  .article-content p {
    margin-bottom: 0.8em;
  }
  .article-content ul,
  .article-content ol {
    padding-left: 1.4em;
  }
  .article-content li {
    margin: 0.3em 0;
  }
  .article-share {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }
  .article-copy-fallback input {
    font-size: 16px;
  }
  .article-related__grid {
    gap: 20px 16px;
  }
  .article-sidebar__back {
    font-size: 11px;
  }
}
@media (max-width: 480px) {
  .article-sidebar {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
    padding-top: 22px;
  }
  .article-sidebar__back {
    grid-column: auto;
    margin-top: -10px;
  }
  .article-latest__item img {
    width: 68px;
  }
  .article-related__grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .article-related .blog-card {
    display: grid;
    grid-template-columns: clamp(96px, 28vw, 132px) minmax(0, 1fr);
    gap: 12px;
    align-items: start;
  }
  .article-related .blog-card__body {
    padding-top: 0;
  }
  .article-related .blog-card__image {
    aspect-ratio: 4/3;
  }
  .article-related .blog-card h3 {
    margin-bottom: 7px;
  }
  .article-share__actions {
    gap: 6px;
  }
  .article-content {
    line-height: 1.65;
  }
}
@media (max-width: 360px) {
  .article-breadcrumb {
    font-size: 10.5px;
  }
  .article-breadcrumb ol,
  .article-breadcrumb li {
    column-gap: 7px;
  }
  .article-heading h1 {
    font-size: 22px;
  }
  .article-deck {
    font-size: 12.5px;
  }
  .article-content {
    font-size: 14px;
  }
  .article-related .blog-card {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 10px;
  }
  .article-related .blog-card h3 {
    font-size: 13px;
  }
  .article-share__actions > a,
  .article-share__actions > button {
    padding-inline: 8px;
  }
}
@media (min-width: 901px) and (max-height: 720px) {
  .article-sidebar {
    position: static;
  }
}