:root{--ink:#191727;--muted:#686577;--paper:#fff;--soft:#f7f5ff;--line:#e9e5f2;--brand:#6b3df0;--brand2:#9b71ff;--dark:#22164c;--radius:18px;--shadow:0 12px 40px rgba(39,24,82,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.68}a{color:var(--brand);text-decoration-thickness:.08em;text-underline-offset:.18em}img{max-width:100%}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-inner{height:74px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:850;color:var(--ink);text-decoration:none;letter-spacing:-.02em}.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-size:13px;box-shadow:var(--shadow)}.main-nav{display:flex;gap:20px;margin-left:auto}.main-nav a{color:#393548;text-decoration:none;font-weight:650;font-size:14px}.menu-btn{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 19px;border-radius:12px;background:var(--brand);color:#fff;text-decoration:none;font-weight:800;box-shadow:0 8px 24px rgba(107,61,240,.2);border:0}.btn:hover{transform:translateY(-1px)}.btn-small{padding:10px 14px;font-size:14px}.btn-block{display:flex;width:100%}
.hero{padding:80px 0 58px;background:radial-gradient(circle at 80% 15%,#efe9ff 0,transparent 30%),linear-gradient(180deg,#fff,#fbfaff)}.hero-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:50px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:900;color:var(--brand)}h1,h2,h3{line-height:1.12;letter-spacing:-.035em}h1{font-size:clamp(42px,6vw,74px);margin:.18em 0 .3em}h2{font-size:clamp(26px,3vw,38px);margin:1.6em 0 .55em}h3{font-size:20px}.hero p{font-size:19px;color:var(--muted);max-width:730px}.hero-card{background:var(--dark);color:#fff;border-radius:28px;padding:30px;box-shadow:var(--shadow)}.hero-card p{color:#dcd3ff;font-size:16px}.hero-card .btn{background:#fff;color:var(--dark)}.trust-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}.pill{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:13px;font-weight:700;color:#575366}
.section{padding:64px 0}.soft{background:var(--soft)}.section-head{max-width:720px;margin-bottom:28px}.section-head h2{margin:.3em 0}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 6px 24px rgba(35,27,62,.04);text-decoration:none;color:inherit}.card span,.related-card span{font-size:12px;color:var(--brand);font-weight:850;text-transform:uppercase;letter-spacing:.08em}.card h3{margin:.55em 0}.card p{color:var(--muted);font-size:14px}
.article-shell{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:54px;padding:40px 0 80px}.breadcrumbs{font-size:13px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.breadcrumbs a{color:var(--muted)}.article h1{font-size:clamp(38px,5vw,60px);margin:.15em 0 .32em}.article-meta{display:flex;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:24px}.lead{font-size:21px;color:#4c4857}.article section{margin:42px 0}.article p{font-size:17px}.article li{margin:.5em 0}.disclosure-note{padding:14px 16px;border:1px solid #ddd4ff;background:#f8f5ff;border-radius:12px;font-size:14px!important}.check-list{padding-left:0;list-style:none}.check-list li{position:relative;padding-left:30px}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:900}.steps{list-style:none;padding:0;display:grid;gap:12px}.steps li{display:flex;gap:14px;align-items:flex-start;padding:16px;border:1px solid var(--line);border-radius:14px}.steps li span{flex:0 0 30px;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;background:var(--soft);color:var(--brand);font-weight:900}.cta-box{margin:42px 0;padding:28px;border-radius:22px;background:linear-gradient(135deg,#27165a,#6b3df0);color:#fff}.cta-box h2{margin:.2em 0 .45em}.cta-box p{color:#e8e2ff}.cta-box .eyebrow{color:#d9ccff}.cta-box .btn{background:#fff;color:var(--dark)}.cta-box small{display:block;margin-top:10px;color:#d9d2ef}.mistakes{display:grid;grid-template-columns:1fr 1fr;gap:14px}.mistakes>div{padding:18px;border:1px solid var(--line);border-radius:14px}.mistakes p{font-size:14px;color:var(--muted);margin:.4em 0 0}.source-box{padding:20px;background:#faf9fc;border-left:4px solid var(--brand);border-radius:0 12px 12px 0}.source-box h2{font-size:22px;margin-top:0}.source-box p{font-size:14px}.sidebar{padding-top:40px}.side-card{border:1px solid var(--line);border-radius:20px;padding:22px;background:#fff;box-shadow:var(--shadow)}.side-card h2{font-size:24px;margin:.4em 0}.side-card p{font-size:14px;color:var(--muted)}.side-card a:not(.btn){display:block;padding:7px 0}.sticky{position:sticky;top:100px}.mini{font-size:12px!important}.related{border-top:1px solid var(--line);padding-top:35px}.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.related-card{padding:16px;border:1px solid var(--line);border-radius:14px;text-decoration:none;color:var(--ink)}.related-card strong{display:block;margin-top:5px}
.hub-hero{padding:64px 0 34px;background:var(--soft)}.hub-hero h1{font-size:clamp(40px,5vw,62px)}.hub-list{padding:44px 0 80px}.wave-block{margin-bottom:48px}.wave-label{display:inline-block;padding:6px 10px;background:var(--soft);border-radius:999px;color:var(--brand);font-size:12px;font-weight:900}.site-footer{background:#161223;color:#d7d2df;padding:52px 0 95px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.footer-grid a{display:block;color:#d7d2df;margin:8px 0}.footer-brand{color:#fff}.fineprint{border-top:1px solid #342d45;margin-top:30px;padding-top:22px;font-size:12px;color:#9f99aa}.mobile-sticky{display:none}.utility{max-width:780px;padding:70px 0 100px}.utility h1{font-size:46px}.utility p,.utility li{font-size:17px}
@media(max-width:900px){.main-nav{display:none;position:absolute;left:20px;right:20px;top:66px;background:#fff;border:1px solid var(--line);padding:15px;border-radius:14px;box-shadow:var(--shadow);flex-direction:column}.main-nav.open{display:flex}.menu-btn{display:block;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 10px}.header-cta{display:none}.hero-grid,.article-shell{grid-template-columns:1fr}.sidebar{display:none}.card-grid{grid-template-columns:1fr 1fr}.mobile-sticky{display:flex;position:fixed;z-index:60;bottom:12px;left:12px;right:12px;justify-content:space-between;align-items:center;background:var(--brand);color:#fff;text-decoration:none;font-weight:850;padding:14px 18px;border-radius:14px;box-shadow:0 14px 34px rgba(34,22,76,.32)}}
@media(max-width:620px){.wrap{width:min(100% - 28px,1180px)}.hero{padding:54px 0 42px}.hero-grid{gap:25px}.card-grid,.related-grid,.mistakes,.footer-grid{grid-template-columns:1fr}.site-header .header-inner{height:66px}.article-shell{padding-top:24px}.article h1{font-size:40px}.lead{font-size:19px}.site-footer{padding-bottom:100px}}