:root{--bg:#f6f7fb;--card:#fff;--ink:#172033;--ink2:#566078;--line:#e2e6ef;--accent:#2563eb;--accent2:#1d4ed8;--ok:#0f9d8a;--warm:#f59e0b}
@media (prefers-color-scheme:dark){:root{--bg:#0f1420;--card:#171e2d;--ink:#eef1f7;--ink2:#a6afc2;--line:#2a3348;--accent:#4c8dff;--accent2:#3b7bf0}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:1040px;margin:0 auto;padding:14px 16px}
.logo{font-weight:800;font-size:20px;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.logo span{color:var(--accent)}
.nav{display:flex;gap:14px;flex-wrap:wrap;font-size:15px}
.nav a{color:var(--ink2);text-decoration:none}.nav a:hover,.nav a[aria-current]{color:var(--accent)}
.hero{max-width:1040px;margin:0 auto;padding:36px 16px 28px;display:grid;grid-template-columns:1.25fr .9fr;gap:32px;align-items:center}
.hero h1{font-size:clamp(30px,5.2vw,50px);line-height:1.08;margin:0 0 14px;letter-spacing:-.02em}
.hero p.lead{font-size:clamp(17px,2.2vw,20px);color:var(--ink2);margin:0 0 22px}
.cta{display:inline-flex;align-items:center;gap:10px;background:var(--accent);color:#fff!important;text-decoration:none;font-weight:800;font-size:19px;padding:16px 26px;border-radius:999px;box-shadow:0 10px 26px rgba(37,99,235,.35);transition:transform .15s,background .15s}
.cta:hover{background:var(--accent2);transform:translateY(-2px)}
.cta small{font-weight:600;opacity:.85}
.trust{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:16px;font-size:14.5px;color:var(--ink2)}
.trust b{color:var(--ok)}
.heroart{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 12px 40px rgba(23,32,51,.08)}
.heroart .dgs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.dg{width:100%;height:auto;display:block}
.cap{text-align:center;font-weight:700;margin:-2px 0 6px}
main{max-width:820px;margin:0 auto;padding:8px 16px 40px}
main h2{font-size:clamp(23px,3.4vw,30px);line-height:1.2;margin:42px 0 12px;letter-spacing:-.01em}
main h3{font-size:20px;margin:26px 0 8px}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding:0 0 14px 48px}
.steps li:before{content:counter(s);position:absolute;left:0;top:0;width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;display:grid;place-items:center}
.grid3{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.box{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px}
table{width:100%;border-collapse:collapse;background:var(--card);border-radius:14px;overflow:hidden;font-size:15.5px}
th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:rgba(37,99,235,.08)}
.feat{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;margin:14px 0}
.feat div{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 16px}
.feat b{display:block;font-size:17px;margin-bottom:2px}
.band{background:linear-gradient(135deg,#172033,#1e3a8a);color:#fff;border-radius:24px;padding:30px 24px;margin:44px 0 10px;text-align:center}
.band h2{color:#fff;margin:0 0 8px}
.band p{color:#dbe4ff;margin:0 0 18px}
.band .cta{background:#fff;color:#1d4ed8!important;box-shadow:none}
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 16px;margin:10px 0}
summary{font-weight:700;cursor:pointer}
.more{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}
.more a{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px;text-decoration:none;color:var(--ink);font-weight:700}
.more a span{display:block;font-weight:400;font-size:14px;color:var(--ink2)}
footer{max-width:1040px;margin:0 auto;padding:24px 16px 90px;color:var(--ink2);font-size:14px;text-align:center}
.sticky{position:fixed;left:0;right:0;bottom:0;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-top:1px solid var(--line);display:none;z-index:9}
@media (prefers-color-scheme:dark){.sticky{background:rgba(15,20,32,.92)}}
.sticky .cta{width:100%;justify-content:center;font-size:17px;padding:14px}
@media (max-width:760px){.hero{grid-template-columns:1fr;padding-top:18px}.sticky{display:block}.nav{display:none}}