:root{--stx-bg:#060b16;--stx-card:rgba(15,25,43,.82);--stx-card2:#13233a;--stx-text:#f5f8ff;--stx-muted:#a9b8cc;--stx-accent:#6ea8ff;--stx-accent2:#6ee7f9;--stx-border:rgba(255,255,255,.1);--stx-shadow:0 24px 80px rgba(0,0,0,.3)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}.stx-shell{min-height:100vh;background:radial-gradient(circle at 12% 0%,rgba(76,120,255,.22),transparent 32%),radial-gradient(circle at 90% 18%,rgba(60,210,235,.13),transparent 30%),var(--stx-bg);color:var(--stx-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.stx-nav{position:sticky;top:0;z-index:30;backdrop-filter:blur(18px);background:rgba(6,11,22,.78);border-bottom:1px solid var(--stx-border)}.stx-nav-inner{max-width:1120px;margin:auto;padding:15px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px}.stx-brand{font-weight:900;color:#fff;text-decoration:none;font-size:21px;letter-spacing:-.04em}.stx-brand span{color:var(--stx-accent)}.stx-nav a{color:var(--stx-muted);text-decoration:none;margin-left:20px;font-size:14px;font-weight:700}.stx-nav a:hover{color:#fff}.stx-container{max-width:1040px;margin:auto;padding:44px 20px 70px}.stx-article{background:linear-gradient(180deg,rgba(19,35,58,.94),rgba(9,18,31,.96));border:1px solid var(--stx-border);border-radius:28px;padding:clamp(24px,5vw,64px);box-shadow:var(--stx-shadow)}.stx-hero{padding-bottom:26px;border-bottom:1px solid var(--stx-border)}.stx-kicker{color:var(--stx-accent2);text-transform:uppercase;letter-spacing:.13em;font-size:11px;font-weight:900}.stx-article h1{font-size:clamp(35px,6vw,64px);line-height:1.02;letter-spacing:-.045em;margin:12px 0 18px;color:#fff;max-width:900px}.stx-lede{font-size:clamp(17px,2vw,20px)!important;line-height:1.7!important;max-width:820px;color:#c7d4e5!important}.stx-article h2{font-size:clamp(25px,4vw,36px);letter-spacing:-.025em;margin:48px 0 16px;color:#fff}.stx-article h3{margin:30px 0 10px;color:#fff}.stx-article p,.stx-article li{color:var(--stx-muted);font-size:17px;line-height:1.82}.stx-article a{color:#8cb8ff;text-underline-offset:3px}.stx-article ul,.stx-article ol{padding-left:24px}.stx-article li{margin:8px 0}.stx-article strong{color:#fff}.stx-meta{display:flex;flex-wrap:wrap;gap:9px;color:var(--stx-muted);font-size:13px;font-weight:650}.stx-summary{margin-top:30px;padding:22px 24px;border:1px solid rgba(110,168,255,.28);background:linear-gradient(135deg,rgba(110,168,255,.1),rgba(110,231,249,.05));border-radius:18px}.stx-summary p{margin:6px 0 0}.stx-summary-label{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--stx-accent2);font-weight:900}.stx-check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:22px 0}.stx-mini{display:flex;flex-direction:column;gap:8px;padding:20px;border:1px solid var(--stx-border);border-radius:18px;background:rgba(255,255,255,.035)}.stx-mini strong{font-size:16px}.stx-mini span{color:var(--stx-muted);line-height:1.6;font-size:14px}.stx-article table{width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;overflow:hidden;border:1px solid var(--stx-border);border-radius:16px}.stx-article th,.stx-article td{padding:14px;border-bottom:1px solid var(--stx-border);text-align:left}.stx-article th{color:#fff;background:rgba(110,168,255,.1)}.stx-article tr:last-child td{border-bottom:0}.stx-article details{margin:12px 0;border:1px solid var(--stx-border);border-radius:14px;padding:16px 18px;background:rgba(255,255,255,.025)}.stx-article summary{cursor:pointer;color:#fff;font-weight:800}.stx-footer{max-width:1040px;margin:auto;padding:0 20px 50px;color:var(--stx-muted);text-align:center;font-size:13px}.stx-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:30px}.stx-card{display:block;color:inherit;text-decoration:none;background:var(--stx-card);border:1px solid var(--stx-border);padding:24px;border-radius:20px;transition:transform .2s,border-color .2s,background .2s}.stx-card:hover{transform:translateY(-4px);border-color:rgba(110,168,255,.5);background:var(--stx-card2)}.stx-card h2{margin:9px 0 10px;font-size:21px;line-height:1.25}.stx-card h2 a{color:#fff;text-decoration:none}.stx-card p{font-size:14px;line-height:1.65}@media(max-width:700px){.stx-nav-inner{padding:13px 15px}.stx-nav a{margin-left:12px;font-size:13px}.stx-container{padding:20px 12px 45px}.stx-article{padding:22px 17px;border-radius:20px}.stx-article h1{font-size:clamp(32px,11vw,48px)}.stx-article h2{margin-top:38px}.stx-article p,.stx-article li{font-size:16px}.stx-check-grid{grid-template-columns:1fr}.stx-meta{font-size:12px}}