:root{--a:#2540c9;--d:#1c3097;--t:#e9ecfa;--bg:#fff;--ink:#14182b;--mut:#5c6279}
*{box-sizing:border-box}body{margin:0;font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
.cn-wrap{max-width:1040px;margin:0 auto;padding:0 22px}.cn-narrow{max-width:720px}
.cn-top{position:sticky;top:0;background:rgba(255,255,255,.95);border-bottom:1px solid #e8eaf3;z-index:5}.cn-bar{display:flex;justify-content:space-between;align-items:center;height:64px}
.cn-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink);text-decoration:none}.cn-logo i{font-style:normal;width:32px;height:32px;border-radius:9px;background:var(--a);color:#fff;display:grid;place-items:center}
.cn-top nav{display:flex;align-items:center;gap:22px}.cn-top nav a{color:var(--mut);text-decoration:none;font-size:14px}
.cn-btn{display:inline-block;background:var(--a);color:#fff!important;text-decoration:none;font-weight:700;padding:14px 28px;border-radius:14px}.cn-btn:hover{background:var(--d)}.cn-sm{padding:8px 18px;font-size:14px}.cn-inv{background:#fff;color:var(--a)!important}
.cn-hero{background:linear-gradient(180deg,var(--t),#fff);padding:64px 0}.cn-split{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.cn-tag{display:inline-block;background:#fff;border:1px solid #d6dcf7;color:var(--a);font-size:13px;font-weight:600;padding:4px 12px;border-radius:20px}
h1{font-size:46px;line-height:1.1;margin:16px 0}.cn-lead{font-size:18px;color:var(--mut)}.cn-small{font-size:13px;color:var(--mut);margin-left:10px}
.cn-chat{background:#fff;border:1px solid #e2e6f6;border-radius:22px;padding:22px;box-shadow:0 18px 40px rgba(37,64,201,.12);display:flex;flex-direction:column;gap:10px}
.cn-b{padding:10px 14px;border-radius:16px;max-width:82%;font-size:14px}.cn-in{background:#eef1fc;align-self:flex-start}.cn-out{background:var(--a);color:#fff;align-self:flex-end}
.cn-sec{padding:60px 0}.cn-alt{background:#f6f7fc}h2{font-size:30px;margin:0 0 22px}
.cn-cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.cn-card{border:1px solid #e3e6f3;border-radius:18px;padding:26px;background:#fff}.cn-card span{color:var(--a);font-weight:800;font-size:13px}.cn-card h3{margin:6px 0}.cn-card p{margin:0;color:var(--mut);font-size:15px}
.cn-two{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.cn-checks{list-style:none;margin:0;padding:0}.cn-checks li{padding:10px 0 10px 30px;position:relative;border-bottom:1px solid #e3e6f3}.cn-checks li:before{content:"✓";position:absolute;left:0;color:var(--a);font-weight:800}
.cn-pills span{display:inline-block;margin:4px;padding:8px 16px;border:1px solid #d9def3;border-radius:20px;font-size:14px;color:var(--mut)}
details{border-bottom:1px solid #dfe2f0;padding:14px 0}summary{cursor:pointer;font-weight:700}details p{color:var(--mut);margin:10px 0 0}
.cn-cta{background:var(--a);color:#fff;text-align:center;padding:56px 0}.cn-cta h2{color:#fff}
.cn-foot{background:#10132a;color:#aeb3cc;padding:40px 0 22px;font-size:14px}.cn-foot strong{color:#fff}.cn-foot-grid{display:grid;grid-template-columns:1fr 2fr;gap:30px}.cn-links{display:flex;flex-wrap:wrap;gap:8px 20px}.cn-links a{color:#aeb3cc}.cn-copy{margin-top:26px;font-size:12px}
.cn-doc{max-width:760px;padding:40px 22px 70px;margin:0 auto}.cn-doc h1{font-size:34px}.cn-doc h2{font-size:20px;margin:26px 0 8px}.cn-doc a{color:var(--a)}.cn-upd{color:var(--mut);font-size:13px}
@media(max-width:760px){.cn-split,.cn-two,.cn-cards3,.cn-foot-grid{grid-template-columns:1fr}h1{font-size:34px}.cn-top nav a:not(.cn-btn){display:none}}