*{box-sizing:border-box;margin:0;padding:0}
body{font:16px/1.65 "Segoe UI",Roboto,Arial,sans-serif;color:#1b2430;background:#fff}
a{color:#0f5ca8;text-decoration:none}a:hover{text-decoration:underline}
.top{background:#0d1b2a;color:#fff;padding:0}
.top .in{max-width:1180px;margin:0 auto;padding:16px 22px;display:flex;align-items:center;gap:30px}
.logo{font-size:21px;font-weight:700;color:#fff;letter-spacing:-.4px}
.logo span{color:#4ea3f0}
.top nav{display:flex;gap:22px;flex-wrap:wrap;font-size:15px}
.top nav a{color:#c8d6e5}.top nav a:hover{color:#fff}
.top .act{margin-left:auto;display:flex;gap:12px}
.btn{display:inline-block;background:#1a7fd4;color:#fff;padding:9px 18px;border-radius:4px;font-size:15px}
.btn:hover{background:#1569b0;text-decoration:none}
.btn.gh{background:transparent;border:1px solid #395a7a}
.hero{background:linear-gradient(180deg,#0d1b2a 0%,#13293f 100%);color:#fff;padding:62px 22px 74px}
.hero .in{max-width:1180px;margin:0 auto}
.hero h1{font-size:40px;line-height:1.15;max-width:700px;font-weight:700;letter-spacing:-.8px}
.hero p{margin-top:18px;max-width:620px;color:#b9cbdd;font-size:18px}
.hero .cta{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.wrap{max-width:1180px;margin:0 auto;padding:44px 22px}
h2{font-size:27px;margin-bottom:8px;letter-spacing:-.4px}
h3{font-size:19px;margin:26px 0 8px}
.lead{color:#5a6b7d;margin-bottom:26px;font-size:17px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(265px,1fr))}
.card{border:1px solid #e1e8ef;border-radius:7px;padding:22px;background:#fff}
.card h3{margin-top:0;font-size:17px}
.card p{color:#5a6b7d;font-size:15px}
table{border-collapse:collapse;width:100%;margin:18px 0;font-size:15px}
th,td{border:1px solid #e1e8ef;padding:11px 13px;text-align:left}
th{background:#f4f7fa;font-weight:600}
.note{background:#f4f9fd;border-left:3px solid #1a7fd4;padding:14px 18px;margin:20px 0;color:#37495c}
ul,ol{margin:12px 0 12px 22px}li{margin:6px 0}
.meta{color:#8496a8;font-size:14px}
.post{border-bottom:1px solid #eef2f6;padding:18px 0}
.post:last-child{border:0}
.post h3{margin:0 0 4px}
footer{background:#0d1b2a;color:#8fa3b8;margin-top:40px;padding:36px 22px 30px;font-size:14px}
footer .in{max-width:1180px;margin:0 auto;display:grid;gap:26px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
footer a{color:#b9cbdd;display:block;margin:5px 0}
footer h4{color:#fff;font-size:15px;margin-bottom:8px}
.bot{max-width:1180px;margin:26px auto 0;padding-top:16px;border-top:1px solid #1e3550}
code{background:#f1f5f9;padding:2px 6px;border-radius:3px;font-size:14px}
pre{background:#0f2133;color:#d6e4f0;padding:16px;border-radius:6px;overflow:auto;font-size:14px;margin:14px 0}
@media(max-width:760px){.hero h1{font-size:29px}.top .in{flex-wrap:wrap;gap:14px}.top .act{margin-left:0}}