:root{--ink:#1d2433;--mut:#5b6474;--line:#e3e6ee;--acc:#3b4cca;--acc2:#2c3aa8;--soft:#f5f6fb;--pro:#b54708}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;color:var(--ink);background:#fff}
a{color:var(--acc)}img{max-width:100%;height:auto}.wrap{max-width:1040px;margin:0 auto;padding:0 20px}.narrow{max-width:760px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:6px}
header.top{border-bottom:1px solid var(--line);background:#fff}header.top .wrap{display:flex;align-items:center;gap:18px;min-height:62px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:20px;color:var(--ink);text-decoration:none}.logo img{width:30px;height:30px}
nav.main{margin-left:auto;display:flex;gap:16px;align-items:center;font-size:15.5px}nav.main a{color:var(--ink);text-decoration:none}
.btn{display:inline-block;background:var(--acc);color:#fff!important;text-decoration:none;font-weight:700;border-radius:10px;padding:11px 18px;border:0;cursor:pointer;font-size:16px}.btn:hover{background:var(--acc2)}
.btn.ghost{background:#fff;color:var(--acc)!important;border:1.5px solid var(--acc)}.btn.sm{padding:7px 13px;font-size:15px}
.hero{background:linear-gradient(180deg,#eef2ff,#fff);padding:52px 0 30px}.hero h1{font-size:clamp(30px,4.6vw,46px);line-height:1.12;margin:0 0 14px;letter-spacing:-.01em}
.hero p.lead{font-size:19px;color:#3c4454;max-width:760px}.cta{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 8px}.note{color:var(--mut);font-size:14.5px}
.shot{margin:28px 0 0;border-radius:12px;border:1px solid var(--line);box-shadow:0 12px 40px rgba(30,40,90,.12)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:16px;margin:18px 0}.card{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:#fff}.card h3{margin:0 0 6px;font-size:18px}.card p{margin:0;color:#3c4454}
section{padding:26px 0}h2{font-size:27px;line-height:1.25;margin:0 0 12px}h3{font-size:20px}
table.cmp{border-collapse:collapse;width:100%;font-size:16px}table.cmp th,table.cmp td{border-bottom:1px solid var(--line);padding:9px 8px;text-align:left}table.cmp td.c{text-align:center}
.pro{color:var(--pro);font-weight:700}.ok{color:#15803d;font-weight:700}
.faq details{border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:8px 0}.faq summary{font-weight:700;cursor:pointer}
article.guide{padding:30px 0}article.guide h1{font-size:clamp(28px,4vw,38px);line-height:1.18;margin:6px 0 10px}.crumbs{font-size:14px;color:var(--mut)}.crumbs a{color:var(--mut)}
.meta{color:var(--mut);font-size:14px}.toc{background:var(--soft);border-radius:10px;padding:10px 16px;margin:16px 0}.toc ul{margin:4px 0;padding-left:20px}
.box{background:#eef2ff;border:1px solid #d5dbff;border-radius:12px;padding:14px 18px;margin:22px 0}.box p{margin:4px 0}
pre{background:#0f172a;color:#e2e8f0;border-radius:10px;padding:14px;overflow:auto;font:14px/1.5 ui-monospace,Menlo,Consolas,monospace;white-space:pre-wrap}code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em;background:#f1f3f8;border-radius:4px;padding:.05em .3em}pre code{background:none;padding:0}
kbd{border:1px solid #c9ced9;border-bottom-width:2px;border-radius:5px;padding:0 5px;font-size:.88em;background:#fff}
.src{font-size:14px;color:var(--mut);border-top:1px solid var(--line);padding-top:10px;margin-top:26px}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.plan{border:1.5px solid var(--line);border-radius:14px;padding:18px}.plan .price{font-size:36px;font-weight:800}
footer.site{border-top:1px solid var(--line);background:var(--soft);margin-top:30px;padding:24px 0 34px;font-size:14.5px;color:#3c4454}footer.site ul{padding-left:18px;columns:2;max-width:760px}
.disc{color:var(--mut);font-size:13.5px}.sister{margin-top:16px}.sister ul{columns:2}
@media (max-width:640px){nav.main a:not(.btn){display:none}footer.site ul,.sister ul{columns:1}}