.seo-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid #e4e8ef; background: rgba(255,255,255,.96); backdrop-filter: blur(12px); }
.seo-header-inner { min-height: 72px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; }
.seo-brand { display: inline-flex; align-items: center; gap: 10px; color: #111827; text-decoration: none; }
.seo-header nav, .seo-header-actions, .seo-footer nav { display: flex; align-items: center; gap: 18px; }
.seo-header nav a, .seo-language, .seo-footer a { color: #4b5563; text-decoration: none; font-weight: 700; }
.seo-header nav { justify-self: center; }
.seo-header .main-button { min-height: 42px; padding: 0 18px; }
.seo-main { background: #f7f8fb; color: #111827; }
.seo-article { max-width: 920px; padding-top: 44px; padding-bottom: 72px; }
.seo-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; color: #687386; font-size: 14px; }
.seo-breadcrumb a { color: #335eea; }
.seo-title { padding-bottom: 36px; border-bottom: 1px solid #dfe4ec; }
.seo-kicker { margin: 0 0 12px; color: #335eea; font-weight: 800; }
.seo-title h1 { max-width: 820px; margin: 0; font-size: 54px; line-height: 1.05; letter-spacing: 0; }
.seo-answer { max-width: 820px; margin: 22px 0 0; color: #303b4d; font-size: 21px; line-height: 1.65; }
.seo-updated { margin: 18px 0 0; color: #687386; font-size: 13px; }
.seo-section { padding: 36px 0; border-bottom: 1px solid #dfe4ec; }
.seo-section h2, .seo-cta h2 { margin: 0 0 16px; font-size: 28px; letter-spacing: 0; }
.seo-section p, .seo-section li, .seo-cta p { color: #303b4d; font-size: 17px; line-height: 1.75; }
.seo-section ul { margin: 0; padding-left: 24px; }
.seo-section li + li { margin-top: 8px; }
.seo-section a { color: #234fd4; font-weight: 700; }
.seo-table-wrap { margin: 36px 0 0; overflow-x: auto; border: 1px solid #dfe4ec; border-radius: 8px; background: #fff; }
.seo-table-wrap table { width: 100%; border-collapse: collapse; }
.seo-table-wrap th, .seo-table-wrap td { padding: 16px 18px; border-bottom: 1px solid #e8ebf0; text-align: left; }
.seo-table-wrap th { background: #eef2ff; }
.seo-downloads { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 36px; padding: 24px; border: 1px solid #dfe4ec; border-radius: 8px; background: #fff; }
.seo-downloads h2 { margin: 0 0 8px; font-size: 22px; letter-spacing: 0; }
.seo-downloads p { margin: 0; color: #566174; font-size: 15px; }
.seo-download-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }
.seo-download-actions .main-button { min-height: 42px; padding: 0 16px; }
.seo-download-actions .main-button.secondary { border-color: #234fd4; background: #234fd4; color: #fff; }
.seo-faq { display: grid; gap: 10px; }
.seo-faq details { padding: 18px; border: 1px solid #dfe4ec; border-radius: 8px; background: #fff; }
.seo-faq summary { cursor: pointer; font-weight: 800; }
.seo-faq p { margin: 12px 0 0; }
.seo-related { padding-top: 40px; }
.seo-related h2 { margin: 0 0 18px; font-size: 25px; letter-spacing: 0; }
.seo-related-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.seo-related-grid a { display: flex; flex-direction: column; gap: 8px; min-height: 132px; padding: 20px; border: 1px solid #dfe4ec; border-radius: 8px; background: #fff; color: #111827; text-decoration: none; }
.seo-related-grid a:hover { border-color: #335eea; }
.seo-related-grid strong { font-size: 17px; line-height: 1.35; }
.seo-related-grid span { color: #566174; font-size: 14px; line-height: 1.55; }
.seo-cta { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 40px; padding: 28px; border-radius: 8px; background: #111827; color: #fff; }
.seo-cta h2, .seo-cta p { color: #fff; }
.seo-cta p { margin: 0; }
.seo-footer { padding: 28px 0; background: #fff; color: #566174; }
.seo-footer .container { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.seo-footer p { max-width: 620px; margin: 0; font-size: 13px; line-height: 1.6; }
@media (max-width: 760px) { .seo-header-inner { grid-template-columns: 1fr auto; gap: 12px; min-height: 64px; } .seo-header nav { display: none; } .seo-brand strong { display: none; } .seo-header-actions { gap: 10px; } .seo-header .main-button { padding: 0 12px; font-size: 13px; } .seo-article { padding-top: 28px; } .seo-title h1 { font-size: 38px; } .seo-answer { font-size: 18px; } .seo-related-grid { grid-template-columns: 1fr; } .seo-related-grid a { min-height: 0; } .seo-downloads, .seo-cta, .seo-footer .container { align-items: stretch; flex-direction: column; } .seo-download-actions { justify-content: stretch; } .seo-download-actions .main-button, .seo-cta .main-button { width: 100%; } }