:root{--p:#6d3bff;--p2:#ff5c8a;--ink:#17142b;--mut:#5f5a78;--bg:#fbfaff;--line:#e7e3f5;--card:#fff;--soft:#f3efff;--r:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:17px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,Inter,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--p);text-underline-offset:3px}a:hover{color:#4c1fd6}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:9}
header.site{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.9);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--ink);text-decoration:none;letter-spacing:-.01em}.logo b{color:var(--p)}
.menu summary{list-style:none;display:none;font-size:1.5rem;cursor:pointer;padding:4px 10px}.menu summary::-webkit-details-marker{display:none}
.menu{display:none}
.nav{display:flex;gap:4px}.nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:.95rem;padding:8px 12px;border-radius:10px}.nav a:hover,.nav a[aria-current]{background:var(--soft);color:var(--p)}
@media(max-width:860px){.desk{display:none}.menu{display:block}.menu summary{display:block}.menu[open] .nav{display:flex;flex-direction:column;position:absolute;right:12px;top:60px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:8px;box-shadow:0 12px 30px rgba(30,10,80,.12)}}
.hero{background:radial-gradient(1200px 400px at 10% -10%,#e9e1ff 0,transparent 60%),radial-gradient(900px 400px at 100% 0,#ffe3ec 0,transparent 55%);border-bottom:1px solid var(--line);padding:34px 0 30px}
.hero h1{font-size:clamp(1.9rem,4.6vw,3rem);line-height:1.12;letter-spacing:-.025em;margin:.2rem 0 .7rem;max-width:860px}
.lead{font-size:1.15rem;color:var(--mut);max-width:760px;margin:0}
.kicker{display:inline-block;margin:0;font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--p);background:#fff;border:1px solid var(--line);padding:3px 10px;border-radius:99px}
.byline{font-size:.88rem;color:var(--mut);margin:1rem 0 0}
.bc{font-size:.85rem;color:var(--mut);margin-bottom:12px}.bc a{color:var(--mut)}.bc span{margin:0 2px}
.content{max-width:820px;padding-top:26px;padding-bottom:40px}
.content h2{font-size:1.6rem;line-height:1.25;letter-spacing:-.015em;margin:2.6rem 0 .7rem;scroll-margin-top:80px}
.content h3{font-size:1.2rem;margin:1.8rem 0 .4rem;scroll-margin-top:80px}
.toc{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 20px;margin:8px 0 24px}.toc-t{font-weight:800;margin:0 0 4px}.toc ol{margin:0;padding-left:1.2rem;columns:2;column-gap:28px}.toc li{break-inside:avoid;font-size:.95rem}@media(max-width:640px){.toc ol{columns:1}}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);margin:1.2rem 0;background:#fff}
table{border-collapse:collapse;width:100%;font-size:.93rem}th,td{padding:10px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}th{background:var(--soft);font-weight:700;white-space:nowrap}tr:last-child td{border-bottom:0}
.note{font-size:.85rem;color:var(--mut)}
.box{border-radius:var(--r);padding:16px 18px;margin:1.4rem 0;border:1px solid var(--line);background:#fff}.box>:first-child{margin-top:0}.box>:last-child{margin-bottom:0}
.tip{background:#eefbf3;border-color:#bfe8cf}.warn{background:#fff6e9;border-color:#f6d49a}.info{background:var(--soft);border-color:#ddd3ff}
.box .bt{font-weight:800;margin:0 0 4px;display:flex;gap:8px;align-items:center}
pre{background:#17142b;color:#f3f0ff;padding:16px;border-radius:12px;white-space:pre-wrap;font-size:.9rem;line-height:1.6}
code{background:var(--soft);padding:1px 6px;border-radius:6px;font-size:.9em}pre code{background:none;padding:0}
.tool{border:1px solid var(--line);background:#fff;border-radius:var(--r);padding:18px 20px;margin:1.2rem 0}
.tool h3{margin-top:0}.tool .facts{display:flex;flex-wrap:wrap;gap:6px;margin:.3rem 0 .6rem;padding:0;list-style:none}.tool .facts li{font-size:.8rem;font-weight:700;background:var(--soft);color:#4b2bb8;border-radius:99px;padding:2px 10px}
.btn{display:inline-block;background:linear-gradient(135deg,var(--p),#8b5cff);color:#fff!important;text-decoration:none;font-weight:700;padding:10px 18px;border-radius:12px;box-shadow:0 6px 16px rgba(109,59,255,.25)}.btn:hover{filter:brightness(1.07)}
.btn.ghost{background:#fff;color:var(--p)!important;border:1px solid var(--line);box-shadow:none}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin:1rem 0}
.card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s}.card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(30,10,80,.08);color:var(--ink)}.card strong{display:block;margin-bottom:4px}.card span{font-size:.9rem;color:var(--mut)}
.related{margin-top:3rem;border-top:1px solid var(--line);padding-top:1rem}.rel-h{margin-top:1rem!important}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:8px 0}.faq summary{font-weight:700;cursor:pointer}.faq details[open] summary{margin-bottom:6px}
.steps{counter-reset:s;list-style:none;padding:0}.steps li{counter-increment:s;position:relative;padding-left:46px;margin:14px 0}.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;font-weight:800;display:grid;place-items:center;font-size:.9rem}
footer.site{background:#17142b;color:#cfc9e8;margin-top:30px;font-size:.92rem}footer.site a{color:#fff;text-decoration:none}footer.site a:hover{text-decoration:underline}
.ft{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;padding-top:36px;padding-bottom:24px}.ft div>a:not(.logo){display:block;margin:4px 0}.ft .logo{color:#fff}.ft .logo b{color:#b9a3ff}.ft-h{font-weight:800;color:#fff;margin:0 0 8px}
.legal{border-top:1px solid #2d2850;padding-top:16px;padding-bottom:24px;font-size:.82rem;color:#a39cc4}
@media(max-width:760px){.ft{grid-template-columns:1fr 1fr}body{font-size:16.5px}}