*{box-sizing:border-box}body{margin:0;font:17px/1.6 -apple-system,Segoe UI,Roboto,sans-serif;color:#1a1f2e;background:#fff}
.top{display:flex;align-items:center;gap:12px;padding:16px 24px;border-bottom:1px solid #eef0f4}
.brand{font-weight:800;font-size:22px;color:#2b3ce0;text-decoration:none;letter-spacing:.5px}
.tag{color:#7a8194;font-size:14px}
main{max-width:760px;margin:0 auto;padding:28px 20px 60px}
.article h1{font-size:34px;line-height:1.2;margin:.2em 0 .6em}
.article h2{font-size:25px;margin:1.4em 0 .5em}.article h3{font-size:20px;margin:1.2em 0 .4em}
.cover{width:100%;border-radius:14px;margin:8px 0 20px}
.article p{margin:0 0 1em}.article ul,.article ol{margin:0 0 1em;padding-left:1.3em}
.article li{margin:.3em 0}.article a{color:#2b3ce0}
blockquote{margin:1.2em 0;padding:.6em 1.1em;border-left:4px solid #2b3ce0;background:#f6f7fb;border-radius:0 8px 8px 0}
figure{margin:1.4em 0}figure img{width:100%;border-radius:12px}figcaption{color:#7a8194;font-size:14px;margin-top:.5em}
.cta{margin:2.4em 0 0;padding:18px 20px;background:#f2f5ff;border:1px solid #dbe2ff;border-radius:14px}
.cta a{color:#2b3ce0;font-weight:600}
.lead{color:#5a6172;font-size:19px;margin:0 0 24px}
.grid{display:grid;gap:14px}
.card{display:block;padding:18px 20px;border:1px solid #eef0f4;border-radius:14px;text-decoration:none;color:inherit;transition:.15s}
.card:hover{border-color:#c7d0f5;box-shadow:0 4px 18px rgba(43,60,224,.08)}
.card h3{margin:0 0 6px;font-size:20px;color:#1a1f2e}.card p{margin:0;color:#7a8194;font-size:15px}
.foot{max-width:760px;margin:0 auto;padding:24px 20px;color:#9aa1b2;font-size:14px;border-top:1px solid #eef0f4}
.foot a{color:#7a8194}
@media(max-width:520px){.article h1{font-size:27px}}