:root{--ink:#171329;--muted:#696278;--bg:#fcfbff;--card:#fff;--purple:#6b3df1;--pink:#d442ef;--line:#e9e4f3;--soft:#f6f2ff;--shadow:0 14px 42px rgba(45,25,89,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#fbf9ff 0,#fff 28rem);color:var(--ink);font:16px/1.68 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:#5730ce;text-decoration-thickness:1px;text-underline-offset:3px}img{max-width:100%}.wrap{max-width:1180px;margin:auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{height:72px;display:flex;align-items:center;gap:22px}.brand{font-size:1.25rem;font-weight:900;letter-spacing:-.035em;text-decoration:none;color:var(--ink);white-space:nowrap}.brand em{font-style:normal;color:var(--purple)}
.menu{margin-left:auto;display:flex;align-items:center;gap:19px}.menu a{text-decoration:none;color:var(--muted);font-weight:700;font-size:.9rem}.header-cta{white-space:nowrap}.hamb{display:none;border:0;background:transparent;font-size:1.65rem;padding:5px;cursor:pointer;color:var(--ink)}
.layout{max-width:1180px;margin:58px auto 80px;padding:0 24px;display:grid;grid-template-columns:minmax(0,820px) 280px;gap:46px}.content{min-width:0}
h1,h2,h3{line-height:1.13;letter-spacing:-.04em}h1{font-size:clamp(2.4rem,5vw,4.35rem);margin:.1em 0 .35em}h2{font-size:1.72rem;margin:2.05em 0 .55em}h3{font-size:1.18rem;margin-top:1.5em}.lead{font-size:1.23rem;color:var(--muted);max-width:780px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 38px}
.button{display:inline-block;border:0;border-radius:11px;padding:12px 17px;background:linear-gradient(135deg,var(--purple),var(--pink));color:#fff;text-decoration:none;font-weight:850;box-shadow:0 8px 24px rgba(107,61,241,.18)}.button.ghost{background:#fff;color:var(--purple);border:1px solid var(--line);box-shadow:none}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.card{display:block;background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow)}.card span{display:block;color:var(--muted);margin-top:6px}
.callout,.cta{border:1px solid var(--line);border-radius:16px;padding:20px 22px;background:var(--soft);margin:28px 0}.cta{background:linear-gradient(135deg,#f2edff,#fff1fd)}.cta h2{margin-top:0}.next{border-top:1px solid var(--line);padding-top:20px;margin-top:34px}
.sidebar{align-self:start}.sidebox{border:1px solid var(--line);background:#fff;border-radius:16px;padding:19px;box-shadow:var(--shadow);margin-bottom:16px}.sidebox h3{margin:0 0 8px}.sidebox p{color:var(--muted);font-size:.92rem}.sidebox .button{display:block;text-align:center}.side-links a{display:block;padding:8px 0;border-bottom:1px solid var(--line);text-decoration:none;font-weight:650}.side-links a:last-child{border:0}
.site-footer{border-top:1px solid var(--line);padding:35px 0;color:var(--muted);font-size:.91rem}.footer-links{display:flex;gap:17px;flex-wrap:wrap;margin:8px 0}.footer-links a{color:var(--muted)}
.sitemap-list{columns:2;column-gap:40px}.sitemap-list li{break-inside:avoid;margin:7px 0}
@media(max-width:900px){.layout{grid-template-columns:1fr;gap:25px}.sidebar{display:none}.menu{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:14px 24px 22px;flex-direction:column;align-items:flex-start}.menu.open{display:flex}.hamb{display:block}.nav{gap:8px}.header-cta{margin-left:auto;padding:9px 12px;font-size:.84rem}.cards{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.wrap,.layout{padding-left:18px;padding-right:18px}.layout{margin-top:38px}.brand{font-size:1.03rem}.header-cta{margin-left:auto;margin-right:0}.hamb{margin-left:0}h1{font-size:2.55rem}.cards{grid-template-columns:1fr}.sitemap-list{columns:1}}

.offer-popup[hidden]{display:none}.offer-popup{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px}
.offer-popup-backdrop{position:absolute;inset:0;background:rgba(20,14,34,.58);backdrop-filter:blur(3px)}
.offer-popup-card{position:relative;width:min(540px,100%);background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:0 24px 80px rgba(20,14,34,.28)}
.offer-popup-card h2{margin:.15em 36px .45em 0;font-size:1.75rem}.offer-popup-card p{color:var(--muted)}
.offer-popup-kicker{margin:0!important;color:var(--purple)!important;font-weight:850;text-transform:uppercase;letter-spacing:.08em;font-size:.76rem}
.offer-popup-x{position:absolute;right:15px;top:13px;border:0;background:transparent;color:var(--muted);font-size:2rem;line-height:1;cursor:pointer;padding:5px 8px}
.offer-popup-actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:22px}.stay-button{cursor:pointer;font:inherit}
body.popup-open{overflow:hidden}
@media(max-width:560px){.offer-popup{padding:16px}.offer-popup-card{padding:23px}.offer-popup-actions{display:grid}.offer-popup-actions .button{width:100%;text-align:center}.offer-popup-card h2{font-size:1.5rem}}

.article-meta{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:.84rem;font-weight:700;margin-bottom:18px}.breadcrumbs{font-size:.82rem;color:var(--muted);display:flex;gap:7px;flex-wrap:wrap;margin-bottom:20px}.breadcrumbs a{color:var(--muted)}
.takeaways,.toc{border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin:26px 0;background:#fff;box-shadow:var(--shadow)}.takeaways{border-left:4px solid var(--purple)}.takeaways ul{margin-bottom:0}.toc ol{columns:2;margin-bottom:0}.toc li{margin:5px 0}
.related-grid,.hub-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.related-link,.hub-link{display:block;border:1px solid var(--line);border-radius:13px;padding:15px;text-decoration:none;background:#fff;color:var(--ink)}.related-link span,.hub-link span{display:block;color:var(--muted);font-size:.9rem;margin-top:4px}
.freshness{border-top:1px solid var(--line);padding-top:18px;color:var(--muted);font-size:.9rem}.journey{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.journey a{border:1px solid var(--line);border-radius:14px;padding:16px;text-decoration:none;color:var(--ink);background:#fff}.journey span{display:block;color:var(--muted);font-size:.88rem;margin-top:5px}
@media(max-width:720px){.toc ol{columns:1}.related-grid,.hub-grid,.journey{grid-template-columns:1fr}}