.article-hero {
  padding: 64px 0 28px;
  background:
    radial-gradient(620px 340px at 85% -20%, rgba(34, 211, 238, 0.12), transparent 65%);
}

.article-hero .wrap {
  max-width: 920px;
  margin: 0 auto;
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 22px;
}

.crumbs a {
  color: var(--ink-dim);
}

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

.article-hero h1 {
  max-width: 18em;
  font-size: clamp(2.3rem, 5vw, 3.5rem);
}

.article-hero .lead {
  margin-top: 22px;
  color: var(--ink-dim);
  font-size: 1.16rem;
  line-height: 1.7;
  max-width: 44em;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-dim);
  margin: 22px 0 0;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.article-meta time,
.article-meta span:not(.post-topic) {
  display: inline-flex;
  align-items: center;
}

.article-meta time::before,
.article-meta span:not(.post-topic)::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--ink-dim);
  opacity: 0.6;
  margin-right: 10px;
}

.article-meta .post-topic {
  color: var(--amber);
  background: var(--amber-soft);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 6px;
  padding: 3px 10px;
}

.article-body {
  max-width: 880px;
  margin: 0 auto;
  counter-reset: article-section;
}

.article-body h2 {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 60px 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: clamp(1.35rem, 2.6vw, 1.8rem);
}

.article-body > h2::before {
  counter-increment: article-section;
  content: counter(article-section, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--amber);
  flex: none;
}

.article-body h3 {
  margin: 32px 0 12px;
}

.article-body p {
  margin: 0 0 18px;
  color: var(--ink-dim);
  font-size: 1.05rem;
  line-height: 1.75;
}

.article-body strong {
  color: var(--ink);
}

.article-body ul,
.article-body ol {
  margin: 0 0 20px;
  padding-left: 24px;
  color: var(--ink-dim);
  font-size: 1.05rem;
  line-height: 1.75;
  display: grid;
  gap: 10px;
}

.article-body a {
  font-weight: 600;
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  color: var(--ink);
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 6px;
  white-space: nowrap;
}

.table-scroll {
  width: 100%;
  margin: 20px 0 26px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.article-body table {
  width: 100%;
  min-width: 480px;
  margin: 0;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 0.95rem;
}

.article-body th {
  background: var(--bg-raise);
  color: var(--ink);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}

.article-body td {
  padding: 12px 16px;
  color: var(--ink-dim);
  border-bottom: 1px dashed var(--line);
}

.article-body tr:last-child td {
  border-bottom: none;
}

.article-body tbody tr:nth-child(even) {
  background: rgba(16, 26, 46, 0.55);
}

.code-block {
  margin: 20px 0 26px;
  background: #0A101D;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.code-block .code-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.code-block .code-label::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}

.code-block pre {
  margin: 0;
  padding: 20px 24px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--ink);
}

.code-block pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  white-space: pre;
}

.callout {
  display: flex;
  gap: 16px;
  margin: 24px 0 30px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
}

.callout svg {
  width: 20px;
  height: 20px;
  color: var(--amber);
  flex: none;
  margin-top: 3px;
}

.callout p {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.7;
}

.article-cta {
  margin: 48px 0 0;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.article-cta h2 {
  margin: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.article-cta-copy {
  padding: 32px;
}

.article-cta-copy p {
  margin: 10px 0 22px;
}

.article-cta-aside {
  background: #0A101D;
  border-left: 1px solid var(--line);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

@media (max-width: 900px) {
  .article-cta {
    grid-template-columns: 1fr;
  }

  .article-cta-aside {
    border-left: none;
    border-top: 1px solid var(--line);
  }
}

.order-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 40;
  width: 260px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.order-float .of-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.order-float .of-label::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--accent);
  flex-shrink: 0;
}

.order-float .of-desc {
  font-size: 0.9rem;
  color: var(--ink);
  line-height: 1.55;
  margin-bottom: 14px;
}

.order-float .btn {
  width: 100%;
  min-height: 42px;
}

@media (max-width: 1480px) {
  .order-float {
    display: none;
  }
}

.rate-card {
  margin: 26px 0 30px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 26px 12px;
  overflow-x: auto;
}

.rate-card table {
  margin: 0;
  border: none;
  border-radius: 0;
  overflow: visible;
  border-collapse: collapse;
  min-width: 480px;
  font-size: inherit;
}

.rate-card caption {
  text-align: left;
  padding: 14px 0 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--amber);
}

.rate-card thead th {
  background: var(--bg-raise);
  padding: 12px 14px;
}

.rate-card thead th:first-child {
  border-radius: 8px 0 0 8px;
}

.rate-card thead th:last-child {
  border-radius: 0 8px 8px 0;
}

.rate-card td {
  padding: 13px 14px;
  font-size: 0.98rem;
}

.rate-card th.num,
.rate-card td.num {
  text-align: right;
  font-family: var(--font-mono);
  white-space: nowrap;
}

.rate-card td.num b {
  color: var(--accent);
  font-size: 1.05rem;
}

.math-block {
  margin: 24px 0 30px;
  background: #0A101D;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.math-block .math-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.math-block .math-label::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}

.math-block pre {
  margin: 0;
  padding: 22px 24px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ink);
}

.verdict {
  display: flex;
  gap: 14px;
  margin: 24px 0 30px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
}

.verdict svg {
  width: 20px;
  height: 20px;
  color: var(--amber);
  flex: none;
  margin-top: 3px;
}

.verdict p {
  margin: 0;
  font-size: 1rem;
}

.article-cta-aside .rule-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 0.9rem;
  color: var(--ink-dim);
}

.article-cta-aside .rule-line:last-of-type {
  border-bottom: none;
}

.article-cta-aside .rule-line b {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.95rem;
  white-space: nowrap;
}

.article-cta-aside .sku-tag {
  margin-bottom: 10px;
}

.faq-block {
  display: grid;
  gap: 12px;
  margin: 20px 0 30px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 24px;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 0;
  font-weight: 600;
  color: var(--ink);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item[open] summary {
  border-bottom: 1px solid var(--line);
}

.faq-item p {
  margin: 16px 0;
  color: var(--ink-dim);
  font-size: 0.98rem;
  line-height: 1.7;
}

.article-body h4 {
  margin: 28px 0 10px;
  font-size: 1.1rem;
  color: var(--ink);
}

.article-body h5 {
  margin: 24px 0 8px;
  font-size: 1rem;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

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

.article-body em {
  color: var(--ink);
  font-style: italic;
}

.article-body kbd {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82em;
  color: var(--ink);
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 2px 7px;
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.3);
}

.article-body del {
  color: var(--ink-dim);
  text-decoration: line-through;
  opacity: 0.75;
}

.article-body mark {
  background: var(--amber-soft);
  color: var(--ink);
  border-radius: 4px;
  padding: 0 4px;
}

.article-body li {
  color: var(--ink-dim);
}

.article-body li > ul,
.article-body li > ol {
  margin-top: 10px;
}

.article-body dl {
  margin: 0 0 20px;
  display: grid;
  gap: 4px 16px;
}

.article-body dt {
  color: var(--ink);
  font-weight: 600;
  font-size: 1.02rem;
}

.article-body dd {
  margin: 0 0 12px 0;
  padding-left: 16px;
  border-left: 2px solid var(--line);
  color: var(--ink-dim);
  font-size: 1.02rem;
  line-height: 1.7;
}

.article-body pre {
  margin: 20px 0 26px;
  padding: 20px 24px;
  overflow-x: auto;
  background: #0A101D;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--ink);
}

.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  white-space: pre;
}

.article-body blockquote {
  margin: 24px 0 28px;
  padding: 4px 22px;
  border-left: 3px solid var(--accent);
  color: var(--ink-dim);
  font-size: 1.02rem;
  line-height: 1.75;
}

.article-body blockquote p {
  margin: 0 0 10px;
}

.article-body blockquote p:last-child {
  margin-bottom: 0;
}

.article-body hr {
  margin: 40px 0;
  border: none;
  border-top: 1px solid var(--line);
}

.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  display: block;
}

.article-body figure {
  margin: 26px 0 30px;
}

.article-body figure.article-cover {
  margin: 0 0 30px;
}

.article-body figcaption {
  margin-top: 10px;
  color: var(--ink-dim);
  font-size: 0.88rem;
  text-align: center;
}

.article-body thead {
  background: var(--bg-raise);
}

.article-body tbody tr:nth-child(even) {
  background: rgba(16, 26, 46, 0.55);
}

.article-body details {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 24px;
  margin: 0 0 12px;
}

.article-body summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 0;
  font-weight: 600;
  color: var(--ink);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.article-body summary::-webkit-details-marker {
  display: none;
}

.article-body summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent);
  transition: transform 0.2s ease;
}

.article-body details[open] summary::after {
  transform: rotate(45deg);
}

.article-body details[open] summary {
  border-bottom: 1px solid var(--line);
}

.article-body details p:last-child {
  margin: 16px 0;
}