:root{color-scheme:dark;--bg:#0b0e13;--surface:#121720;--surface-2:#171d27;--line:#283241;--text:#f4f7fa;--muted:#98a6b8;--muted-2:#69778a;--lime:#a8f36a;--cyan:#63d9ff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px),var(--bg);background-size:48px 48px;color:var(--text);font:15px/1.75 Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}.shell{width:min(920px,calc(100% - 36px));margin:auto}header{position:sticky;top:0;z-index:10;border-bottom:1px solid var(--line);background:rgba(11,14,19,.94);backdrop-filter:blur(16px)}nav{min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:20px}a{color:var(--cyan);text-decoration:none}.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:850;font-size:18px}.brand img{width:34px;height:34px}.switch{display:flex;align-items:center;gap:15px;font-size:13px}.switch a{color:var(--muted)}.switch a:hover{color:var(--text)}main{padding:64px 0 90px}.eyebrow{color:var(--lime);text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:800}h1{font-size:clamp(40px,7vw,68px);line-height:1.03;margin:10px 0 20px;letter-spacing:-.05em}.lead{font-size:18px;color:#c1cad6;max-width:780px}.meta{color:var(--muted-2);font-size:12px}.card{margin-top:30px;padding:26px;border:1px solid var(--line);border-radius:16px;background:rgba(18,23,32,.94)}.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}.mini{padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--surface-2)}h2{margin:0 0 10px;font-size:23px;letter-spacing:-.02em}h3{margin:24px 0 6px;font-size:17px}p,li{color:var(--muted)}strong{color:var(--text)}footer{border-top:1px solid var(--line);padding:24px 0 36px;color:var(--muted-2);font-size:12px}.footer-inner{display:flex;justify-content:space-between;gap:20px}.footer-links{display:flex;flex-wrap:wrap;gap:14px}.footer-links a{color:var(--muted)}.footer-links a:hover{color:var(--text)}@media(max-width:680px){main{padding-top:42px}.grid{grid-template-columns:1fr}.switch{gap:10px}.footer-inner{flex-direction:column}}