.article-page { background: #f5f4ed; color: var(--ink); }
.article-topbar { position: sticky; top: 0; z-index: 10; display: flex; min-height: 64px; padding: 10px max(20px, calc((100% - 1080px) / 2)); align-items: center; justify-content: space-between; gap: 18px; border-bottom: 1px solid var(--line); background: rgb(250 249 245 / .94); backdrop-filter: blur(12px); }
.article-brand { color: var(--ink); font-size: 18px; font-weight: 800; text-decoration: none; }
.article-shell { width: min(1080px, calc(100% - 40px)); margin: 0 auto; padding: 48px 0 72px; }
.article-hero { max-width: 820px; padding: 0 0 36px; border-bottom: 1px solid var(--line); }
.article-breadcrumb { display: flex; margin-bottom: 24px; align-items: center; gap: 8px; color: var(--meta); font-size: 12px; }
.article-breadcrumb a { color: var(--accent-dark); text-decoration: none; }
.article-hero h1 { margin: 0; font-size: 42px; line-height: 1.22; text-wrap: balance; }
.article-lead { max-width: 760px; margin: 18px 0 0; color: var(--muted); font-size: 17px; line-height: 1.8; }
.article-meta { display: flex; margin-top: 20px; flex-wrap: wrap; gap: 7px 18px; color: var(--meta); font-size: 12px; }
.article-layout { display: grid; grid-template-columns: 190px minmax(0, 720px); gap: 56px; padding-top: 38px; }
.article-toc { position: sticky; top: 92px; display: grid; align-self: start; gap: 11px; padding-left: 14px; border-left: 2px solid var(--line); }
.article-toc strong { margin-bottom: 2px; color: var(--ink); font-size: 12px; }
.article-toc a { color: var(--muted); font-size: 12px; line-height: 1.45; text-decoration: none; }
.article-toc a:hover { color: var(--accent-dark); }
.article-content { min-width: 0; }
.article-content section { scroll-margin-top: 90px; }
.article-content section + section { margin-top: 48px; }
.article-content h2 { margin: 0 0 18px; color: var(--ink); font-size: 27px; line-height: 1.35; }
.article-content h3 { margin: 28px 0 10px; color: var(--ink-soft); font-size: 18px; line-height: 1.45; }
.article-content p { margin: 0 0 16px; color: var(--ink-soft); font-size: 16px; line-height: 1.9; }
.article-content p strong { color: var(--ink); }
.article-content code { padding: 2px 5px; border-radius: 4px; background: #eceae2; color: var(--accent-dark); font-size: 13px; overflow-wrap: anywhere; }
.article-summary { padding: 18px 20px; border-left: 4px solid var(--blue); background: #eef5f7; }
.article-points { margin: 22px 0; border-top: 1px solid var(--line); }
.article-points > div { display: flex; min-height: 54px; padding: 10px 2px; align-items: center; justify-content: space-between; gap: 18px; border-bottom: 1px solid var(--line); }
.article-points strong { color: var(--ink); font: 800 15px/1.2 var(--mono); }
.article-points span { color: var(--muted); font-size: 13px; text-align: right; }
.article-content .article-note { padding: 15px 17px; border-left: 4px solid var(--yellow); background: #fff8e8; color: #765716; font-size: 14px; }
.article-steps { margin: 24px 0 0; padding: 0; counter-reset: article-step; list-style: none; }
.article-steps li { position: relative; min-height: 86px; padding: 0 0 28px 58px; counter-increment: article-step; }
.article-steps li::before { position: absolute; top: 0; left: 0; display: grid; width: 36px; height: 36px; place-items: center; border: 1px solid #e5b5a6; border-radius: 50%; background: #fff5f0; color: var(--accent-dark); content: counter(article-step); font: 800 13px/1 var(--mono); }
.article-steps li:not(:last-child)::after { position: absolute; top: 42px; bottom: 5px; left: 17px; width: 1px; background: var(--line); content: ""; }
.article-steps h3 { margin: 0 0 7px; }
.article-steps p { margin: 0; }
.article-action { display: inline-flex; min-height: 42px; padding: 0 16px; align-items: center; border: 1px solid var(--accent); border-radius: 5px; background: var(--accent); color: #fff; font-size: 13px; font-weight: 800; text-decoration: none; }
.article-action:hover { border-color: var(--accent-dark); background: var(--accent-dark); }
.article-figure { margin: 22px 0 34px; }
.article-figure img { display: block; width: min(100%, 620px); height: auto; margin: 0 auto; border: 1px solid var(--line); border-radius: 7px; background: #fff; box-shadow: 0 8px 28px rgb(23 24 20 / .08); }
.article-figure-wide img { width: 100%; }
.article-figure figcaption { margin-top: 9px; color: var(--meta); font-size: 11px; text-align: center; }
.article-faq { border-top: 1px solid var(--line); }
.article-faq details { border-bottom: 1px solid var(--line); }
.article-faq summary { padding: 18px 28px 18px 0; color: var(--ink); font-size: 15px; font-weight: 800; line-height: 1.55; cursor: pointer; }
.article-faq details p { padding: 0 0 18px; color: var(--muted); font-size: 14px; }
.article-cta { padding: 30px; border: 1px solid #c9ddcf; border-radius: 8px; background: #f1f7f3; text-align: center; }
.article-cta h2 { margin-bottom: 8px; }
.article-cta p { margin-bottom: 18px; color: var(--muted); font-size: 14px; }
@media (max-width: 820px) {
  .article-shell { width: min(100% - 28px, 720px); padding-top: 32px; }
  .article-hero h1 { font-size: 34px; }
  .article-layout { display: block; padding-top: 30px; }
  .article-toc { position: static; margin-bottom: 34px; padding: 14px 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: 7px; background: #faf9f5; }
  .article-toc strong { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .article-topbar { min-height: 58px; padding: 9px 14px; }
  .article-shell { width: calc(100% - 24px); padding: 27px 0 52px; }
  .article-breadcrumb { margin-bottom: 20px; }
  .article-hero { padding-bottom: 28px; }
  .article-hero h1 { font-size: 29px; }
  .article-lead { font-size: 15px; }
  .article-content h2 { font-size: 23px; }
  .article-content h3 { font-size: 17px; }
  .article-content p { font-size: 15px; }
  .article-summary { padding: 15px 16px; }
  .article-steps li { padding-left: 50px; }
  .article-cta { padding: 24px 18px; }
}