:root{--ink:#14253c;--muted:#607086;--paper:#f9fbff;--card:#fff;--line:#dce4ef;--accent:#5856d6;--accent2:#eeefff;--good:#13694f;--shadow:0 10px 30px rgba(24,37,64,.06)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.68 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--paper)}
a{color:#3535a6;text-decoration-thickness:1px;text-underline-offset:2px}a:hover{text-decoration-thickness:2px}.wrap{max-width:1180px;margin:auto;padding:0 22px}
header{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;backdrop-filter:blur(10px)}
.nav{min-height:70px;display:flex;align-items:center;gap:24px}.brand{font-weight:900;font-size:1.2rem;text-decoration:none;color:var(--ink);letter-spacing:-.03em;white-space:nowrap}.brand span{color:var(--accent)}
nav{display:flex;gap:16px;align-items:center;flex:1}nav a{text-decoration:none;color:var(--ink);font-size:.93rem}.header-cta{margin-left:auto;background:var(--accent);color:#fff!important;padding:10px 14px;border-radius:9px;font-weight:800;text-decoration:none}
.hero{padding:78px 0 56px;background:linear-gradient(180deg,#eeefff 0%,var(--paper) 100%)}.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:42px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.09em;font-size:.77rem;font-weight:850;color:var(--accent)}h1{font-size:clamp(2.45rem,6vw,4.65rem);line-height:1.01;letter-spacing:-.055em;margin:.26em 0}
h2{font-size:clamp(1.55rem,3vw,2.28rem);line-height:1.16;letter-spacing:-.035em;margin:1.45em 0 .55em}h3{line-height:1.3;margin:1.45em 0 .45em}.lead{font-size:1.18rem;color:var(--muted);max-width:760px}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:12px 18px;border-radius:10px;font-weight:800;margin:7px 7px 7px 0}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}
section{padding:48px 0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow)}.card h3{margin-top:0}.card p:last-child{margin-bottom:0}
.article-layout{max-width:1180px;margin:auto;padding:50px 22px;display:grid;grid-template-columns:minmax(0,820px) 270px;gap:42px;align-items:start}article{min-width:0}article h1{font-size:clamp(2.35rem,5vw,4rem)}article p,article li{font-size:1.035rem}
.sidebar{position:sticky;top:92px}.sidebox{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px;margin-bottom:17px;box-shadow:var(--shadow)}.sidebox h3{margin-top:0}.sidebox .btn{display:block;text-align:center;margin:10px 0}
.breadcrumbs{font-size:.87rem;color:var(--muted);margin-bottom:20px}.meta{color:var(--muted);font-size:.9rem}.notice{border-left:4px solid var(--accent);background:#f1f2ff;padding:14px 17px;border-radius:8px;margin:23px 0}.cta{background:var(--ink);color:#fff;padding:25px;border-radius:17px;margin:34px 0}.cta h2{margin-top:0}.cta a{color:#fff}.cta .btn{background:#fff;color:var(--ink)}
table{width:100%;border-collapse:collapse;margin:22px 0;background:#fff}th,td{border:1px solid var(--line);padding:11px;text-align:left;vertical-align:top}th{background:#f1f4f8}.toc{background:#fff;border:1px solid var(--line);border-radius:13px;padding:17px 20px;margin:24px 0}
.sources{font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);margin-top:38px;padding-top:18px}.tag{display:inline-block;padding:4px 8px;border-radius:999px;background:var(--accent2);font-size:.78rem;font-weight:750;margin-right:5px}
footer{background:#fff;border-top:1px solid var(--line);padding:38px 0;color:var(--muted);font-size:.92rem}.foot{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:26px}.mobile-cta{display:none}
@media(max-width:900px){.article-layout{grid-template-columns:1fr}.sidebar{position:static}.hero-grid,.cards,.foot{grid-template-columns:1fr 1fr}.sidebox.related{display:none}}
@media(max-width:720px){header{position:static}.nav{padding:14px 22px;align-items:flex-start;flex-wrap:wrap}.brand{width:100%}nav{order:3;width:100%;overflow:auto;padding-bottom:4px}.header-cta{position:absolute;right:22px;top:12px}.hero{padding-top:46px}.hero-grid,.cards,.foot{grid-template-columns:1fr}.mobile-cta{display:block;position:fixed;bottom:12px;left:12px;right:12px;z-index:40;background:var(--accent);color:#fff;text-align:center;text-decoration:none;padding:13px 16px;border-radius:12px;font-weight:850;box-shadow:0 8px 28px rgba(0,0,0,.22)}body{padding-bottom:64px}}