:root{--bg:#f4f7fc;--surface:#fff;--ink:#091525;--muted:#66748a;--line:#dce4ef;--navy:#08111f;--blue:#3157e8;--radius:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}a{color:inherit;text-decoration:none}.wrap{width:min(1040px,calc(100% - 32px));margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(247,250,255,.84);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,228,239,.45)}.top{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand img{height:44px;width:auto}.back{font-size:14px;font-weight:800;color:#46566e;background:#fff;border:1px solid var(--line);padding:10px 15px;border-radius:999px}.back:hover{color:var(--blue)}
.hero{padding:56px 0 28px}.eyebrow{font-size:12px;font-weight:900;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:12px}.hero h1{font-size:clamp(38px,5vw,60px);line-height:1.05;letter-spacing:-.045em;margin:0 0 14px}.hero p{margin:0;color:var(--muted);font-size:17px;max-width:790px}.updated{display:inline-block;margin-top:16px;color:#7b8799;font-size:13px}
.layout{display:grid;grid-template-columns:250px 1fr;gap:30px;align-items:start;padding-bottom:58px}.toc{position:sticky;top:100px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px}.toc strong{display:block;margin-bottom:10px;font-size:13px;text-transform:uppercase;letter-spacing:.08em}.toc a{display:block;color:#66748a;font-size:14px;padding:7px 0}.toc a:hover{color:var(--blue)}
.article{background:var(--surface);border:1px solid var(--line);border-radius:26px;padding:34px 38px;box-shadow:0 18px 50px rgba(21,39,73,.05)}.article h2{font-size:27px;letter-spacing:-.025em;margin:34px 0 10px}.article h2:first-child{margin-top:0}.article h3{font-size:19px;margin:24px 0 8px}.article p{color:#445269;margin:0 0 14px}.article ul{margin:7px 0 18px 20px;padding:0;color:#445269}.article li{margin:7px 0}.note{background:#f2f5ff;border:1px solid #dfe5ff;border-radius:16px;padding:16px 18px;color:#3f4d67;margin:18px 0}.company-card{display:grid;grid-template-columns:1fr 1fr;gap:12px;background:#f8faff;border:1px solid var(--line);border-radius:16px;padding:18px;margin:16px 0}.company-card span{display:block;font-size:11px;color:#7d899b;text-transform:uppercase;letter-spacing:.08em}.company-card strong{display:block;margin-top:3px;font-size:14px}.company-card a{color:var(--blue);font-weight:800}.company-card a:hover{text-decoration:underline}.foot a{color:#dce6f8;font-weight:750}.foot a:hover{color:#fff}
footer{background:#050a13;color:#9eabbf;padding:30px 0}.foot{display:flex;align-items:center;justify-content:space-between;gap:24px}.foot-logo{display:inline-flex;background:#fff;border-radius:13px;padding:7px 10px}.foot-logo img{height:36px;width:auto}.foot small{max-width:600px;text-align:right}
@media(max-width:820px){.layout{grid-template-columns:1fr}.toc{position:static}.company-card{grid-template-columns:1fr}.article{padding:26px 22px}.foot{align-items:flex-start;flex-direction:column}.foot small{text-align:left}.brand img{height:39px}}