:root{--bg:#f5f8fd;--panel:#ffffff;--ink:#16233b;--mut:#566b85;--acc:#1a4fd0;--acc2:#f5b301;--line:#e3e9f3;--rad:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.68;font-size:16.5px;-webkit-font-smoothing:antialiased}
.w{max-width:1000px;margin:0 auto;padding:0 18px}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%}
h1,h2,h3,h4{line-height:1.25;color:var(--ink);font-weight:800}
h1{font-size:2.15rem;margin:.2em 0 .35em}h2{font-size:1.5rem;margin:0 0 .5em}h3{font-size:1.15rem}h4{font-size:1.02rem;margin:.2em 0 .4em}
em{color:var(--acc);font-style:normal}
.hd{background:#ffffff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(6px)}
.hdin{display:flex;align-items:center;gap:16px;height:62px}
.lg img{height:30px;width:auto;display:block}
.nv{display:flex;gap:6px;flex-wrap:wrap;margin-left:auto;font-size:14px}
.nv a{color:var(--mut);padding:6px 9px;border-radius:8px}.nv a:hover,.nv a[aria-current]{color:var(--ink);background:#eef2fb;text-decoration:none}
.cta{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#ffffff;font-weight:800;padding:10px 18px;border-radius:999px;white-space:nowrap;box-shadow:0 6px 18px rgba(26,79,208,.28)}
.cta:hover{text-decoration:none;filter:brightness(1.06)}
.hero{background:radial-gradient(1000px 480px at 80% -10%,#1a4fd014,transparent),linear-gradient(180deg,#ffffff,#f5f8fd);padding:52px 0 40px;border-bottom:1px solid var(--line)}
.kick{display:inline-block;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--acc);font-weight:800;background:#1a4fd018;padding:5px 12px;border-radius:999px;margin-bottom:12px}
.dek{color:var(--mut);font-size:1.12rem;max-width:60ch;margin:.2em 0 1.2em}
.hb{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.gh{border:1px solid var(--line);color:var(--ink);padding:10px 18px;border-radius:999px;font-weight:700}.gh:hover{border-color:var(--acc);text-decoration:none}
.byl{color:var(--mut);font-size:13.5px;margin:0}.byl strong{color:var(--ink)}
.ribbon{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:22px}
.ribbon>div{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.ribbon b{display:block;font-size:1.35rem;color:var(--acc)}.ribbon span{color:var(--mut);font-size:13px}
.band{padding:26px 0}.band:nth-child(even){background:#eef3fb}
.rd{max-width:740px;margin:0 auto}
.rd p,.zbody p{margin:.6em 0}
.zz{padding:22px 0;border-bottom:1px solid var(--line)}
.zzin{display:grid;grid-template-columns:64px 1fr;gap:18px;align-items:start}
.mark span{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;background:#1a4fd018;color:var(--acc);font-weight:800;font-size:1.1rem}
ul,ol{padding-left:1.25em}li{margin:.3em 0}
ol.steps{list-style:none;counter-reset:s;padding-left:0}
ol.steps li{counter-increment:s;position:relative;padding:8px 0 8px 44px;border-bottom:1px dashed var(--line)}
ol.steps li:before{content:counter(s);position:absolute;left:0;top:6px;width:30px;height:30px;border-radius:50%;background:var(--acc);color:#ffffff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem}
.def{background:var(--panel);border-left:3px solid var(--acc);border-radius:0 10px 10px 0;padding:12px 16px;margin:14px 0}.def b{color:var(--acc)}
.note{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--acc);border-radius:10px;padding:14px 16px;margin:16px 0}
.note.warn{border-left-color:#d8532a}.note.alt{border-left-color:#f5b301}
.note h4{margin-top:0;color:var(--ink)}
.mf{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:16px 0}
.mf>div{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:var(--panel)}
.mf .myth h4{color:#d8532a}.mf .fact h4{color:#1f9d5b}
.tw{overflow-x:auto;margin:16px 0}
table{border-collapse:collapse;width:100%;font-size:14.5px;min-width:420px}
th,td{border:1px solid var(--line);padding:9px 12px;text-align:left}
thead th{background:#1a4fd018;color:var(--ink)}tbody th{background:var(--panel);width:34%}
tbody tr:nth-child(even){background:#ffffff55}
details{border:1px solid var(--line);border-radius:10px;padding:2px 14px;margin:10px 0;background:var(--panel)}
summary{cursor:pointer;font-weight:700;padding:10px 0}details p{margin-top:0}
figure{margin:20px 0}figcaption{color:var(--mut)}
.ft{background:#f0f4fb;border-top:1px solid var(--line);padding:34px 0 24px;margin-top:20px;font-size:14.5px}
.fg{display:grid;grid-template-columns:1.6fr 1fr;gap:26px}
.fg h4{color:var(--ink)}.fg a{display:block;color:var(--mut);padding:3px 0}
.so{display:flex;gap:10px;margin-top:12px}.so svg{width:26px;height:26px}
.lgl{border-top:1px solid var(--line);margin-top:24px;padding-top:16px;color:var(--mut);font-size:12.8px}
@media(max-width:720px){.fg{grid-template-columns:1fr}.mf{grid-template-columns:1fr}.nv{display:none}h1{font-size:1.7rem}.zzin{grid-template-columns:1fr}.mark span{width:40px;height:40px}}