.whitepaper-page .article-detail,
.whitepaper-page .article-breadcrumb { max-width: 1200px; }
.whitepaper-page .article-detail__header { padding-bottom: 24px; }
.whitepaper-page .article-detail__header h1 { font-size: clamp(26px, 3vw, 36px); }
.whitepaper-description, .whitepaper-preview-hint { color: var(--article-muted); font-size: 14px; line-height: 1.8; }
.whitepaper-download-row { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin-top: 20px; }
.whitepaper-download-row > span { color: var(--article-muted); font-size: 13px; }
.whitepaper-download { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 22px; border: 1px solid var(--article-blue); color: var(--article-blue); text-decoration: none; }
.whitepaper-download:hover { color: var(--article-bg); background: var(--article-blue); }
.whitepaper-open, .whitepaper-pdf a, .whitepaper-back a { color: var(--article-blue); }
.whitepaper-open { display: inline-flex; align-items: center; min-height: 44px; }
.whitepaper-page a:focus-visible { outline: 2px solid var(--article-blue); outline-offset: 5px; }
.whitepaper-preview { scroll-margin-top: 20px; }
.whitepaper-preview h2 { color: var(--article-text); font-size: 20px; }
.whitepaper-pdf { display: block; width: 100%; height: 80vh; height: 80svh; min-height: 560px; border: 1px solid var(--article-line); background: var(--article-panel); }
.whitepaper-pdf p { padding: 24px; color: var(--article-muted); line-height: 1.8; }
.whitepaper-download-panel { margin-top: 36px; padding: 24px 0; border-block: 1px solid var(--article-line); }
.whitepaper-download-panel h2 { color: var(--article-blue); font-size: 22px; }
.whitepaper-download-panel p { color: var(--article-muted); line-height: 1.8; }
.whitepaper-back { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 18px; margin-top: 30px; }
@media(max-width:640px) {
    .whitepaper-page .article-detail__meta { gap: 8px; }
    .whitepaper-download-row { gap: 10px 16px; }
    .whitepaper-download-row > span { flex-basis: 100%; }
    .whitepaper-pdf { min-height: 480px; }
}
@media(prefers-reduced-motion:reduce) { html { scroll-behavior: auto; } }