:root{--ink:#1a2332;--mut:#5b6b7f;--bg:#ffffff;--soft:#f4f7fa;--line:#e3e9f0;--acc:#2f6fed;--acc2:#1c4fc0}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--ink);line-height:1.65;background:var(--bg)}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
.nav{display:flex;align-items:center;gap:28px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--ink)}
.logo img{width:28px;height:28px}
.nav nav{display:flex;gap:22px;margin-left:auto;font-size:14.5px}
.nav nav a{color:var(--mut)}.nav nav a:hover{color:var(--ink);text-decoration:none}
.btn{display:inline-block;background:var(--acc);color:#fff!important;padding:10px 20px;border-radius:8px;font-weight:600;font-size:14.5px}
.btn:hover{background:var(--acc2);text-decoration:none}
.btn.ghost{background:#fff;color:var(--acc)!important;border:1px solid var(--acc)}
.hero{padding:88px 0 72px;background:linear-gradient(180deg,#f7faff 0%,#fff 100%)}
.hero h1{font-size:44px;line-height:1.15;letter-spacing:-.02em;max-width:640px}
.hero p{margin:20px 0 32px;font-size:18px;color:var(--mut);max-width:560px}
h2{font-size:30px;letter-spacing:-.01em;margin-bottom:14px}
h3{font-size:19px;margin-bottom:8px}
section{padding:56px 0}
.soft{background:var(--soft)}
.grid{display:grid;gap:24px}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px}
.card p{color:var(--mut);font-size:14.5px}
.mut{color:var(--mut)}.small{font-size:13.5px}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
th{background:var(--soft);font-weight:600}
.price{font-size:38px;font-weight:700}.price span{font-size:14px;color:var(--mut);font-weight:400}
ul.tick{list-style:none;margin:18px 0}ul.tick li{padding:6px 0 6px 26px;position:relative;color:var(--mut);font-size:14.5px}
ul.tick li::before{content:"✓";position:absolute;left:0;color:var(--acc);font-weight:700}
.post{border-bottom:1px solid var(--line);padding:22px 0}
.post time{font-size:13px;color:var(--mut)}
article{max-width:720px}article p{margin:14px 0}article h2{margin-top:34px;font-size:24px}
pre{background:#0f172a;color:#dbe7ff;padding:18px;border-radius:10px;overflow-x:auto;font-size:13.5px;margin:16px 0}
code{font-family:ui-monospace,'SF Mono',Menlo,monospace}
p code,li code{background:var(--soft);padding:2px 6px;border-radius:5px;font-size:13px}
footer{border-top:1px solid var(--line);padding:44px 0;margin-top:40px;background:var(--soft)}
.foot{display:flex;flex-wrap:wrap;gap:40px;font-size:14px}
.foot h4{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);margin-bottom:12px}
.foot a{display:block;color:var(--mut);padding:3px 0}.foot a:hover{color:var(--ink)}
.copyright{margin-top:36px;font-size:13px;color:var(--mut)}
.badge{display:inline-block;background:#e8f7ee;color:#1d7a46;border-radius:20px;padding:4px 14px;font-size:13px;font-weight:600}
form input,form textarea{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:8px;font:inherit;margin:6px 0 16px}
form label{font-size:14px;font-weight:600}
@media(max-width:800px){.g3,.g2{grid-template-columns:1fr}.hero h1{font-size:32px}.nav nav{display:none}}