:root{--bg:#05060f;--bg-alt:#0a0c1e;--panel:#0e1128;--panel-border:rgba(139,124,255,0.16);--purple:#8b5cf6;--blue:#3b82f6;--cyan:#22d3ee;--text:#e7e9f7;--muted:#9da2c4;--muted-2:#9599bd;--grad:linear-gradient(90deg,var(--purple),var(--blue) 55%,var(--cyan));--header-h:64px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:'Inter',system-ui,sans-serif;min-height:100vh}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}h1,h2,.font-display{font-family:'Orbitron',sans-serif}.mono{font-family:'JetBrains Mono',monospace}a{color:inherit;text-decoration:none}.container{max-width:920px;margin:0 auto;padding:0 20px}:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}.bg-glow{position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(60% 40% at 85% 0%,rgba(139,92,246,0.14),transparent 60%),radial-gradient(50% 35% at 5% 20%,rgba(34,211,238,0.08),transparent 60%)}header{position:sticky;top:0;z-index:100;height:var(--header-h);display:flex;align-items:center;background:rgba(5,6,15,0.75);backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--panel-border)}.header-inner{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:32px;height:32px;filter:drop-shadow(0 0 8px rgba(139,92,246,0.55))}.brand-text{display:flex;flex-direction:column;line-height:1}.brand-text .name{font-size:15px;font-weight:800;letter-spacing:0.5px;color:#fff}.brand-text .sub{font-size:9px;font-weight:700;letter-spacing:3px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-top:2px}.back-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--muted);padding:9px 16px;border-radius:10px;border:1px solid var(--panel-border);background:rgba(255,255,255,0.02);transition:all .2s}.back-link:hover{color:#fff;border-color:rgba(139,124,255,0.5)}.back-link svg{width:15px;height:15px}main{position:relative;z-index:1}.hero-block{padding:48px 0 30px;border-bottom:1px solid var(--panel-border)}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:700;letter-spacing:3px;color:var(--cyan);text-transform:uppercase;margin-bottom:14px}.eyebrow::before{content:'';width:20px;height:2px;background:var(--grad);border-radius:2px}h1.title{font-size:clamp(28px,6vw,42px);font-weight:900;letter-spacing:0.4px;color:#fff;margin-bottom:14px}.meta-row{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:18px}.meta-item{font-size:12.5px;color:var(--muted-2)}.meta-item strong{color:var(--muted);font-weight:700}.meta-item .mono{color:var(--cyan)}.intro{color:var(--muted);font-size:15px;line-height:1.75;max-width:680px;margin-top:20px}.layout{display:grid;grid-template-columns:1fr;gap:32px;padding:36px 0 90px}.toc{order:2;align-self:start;padding:20px 18px;border-radius:16px;background:rgba(255,255,255,0.025);border:1px solid var(--panel-border)}.toc h4{font-size:11px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--muted-2);margin-bottom:14px}.toc ol{list-style:none;counter-reset:toc;display:flex;flex-direction:column;gap:2px}.toc li{counter-increment:toc}.toc a{display:flex;gap:10px;font-size:13px;color:var(--muted);padding:7px 8px;border-radius:8px;transition:all .15s}.toc a::before{content:counter(toc);font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--purple);flex-shrink:0;width:16px}.toc a:hover,.toc a.active{color:#fff;background:rgba(139,92,246,0.08)}.content{order:1}.policy-section{padding:28px 0;border-bottom:1px solid var(--panel-border);scroll-margin-top:80px}.policy-section:last-child{border-bottom:none}.policy-section h2{font-size:20px;font-weight:800;color:#fff;margin-bottom:14px;display:flex;align-items:baseline;gap:10px}.policy-section h2 .num{font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--cyan);font-weight:600}.policy-section p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:14px}.policy-section p:last-child{margin-bottom:0}.policy-section ul{margin:0 0 14px 0;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:8px}.policy-section ul li{font-size:14px;color:var(--muted);line-height:1.65;padding-left:20px;position:relative}.policy-section ul li::before{content:'';position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--grad)}.policy-section a.inline-mail{color:var(--cyan);font-weight:600;font-family:'JetBrains Mono',monospace;font-size:13.5px}.product-chip-row{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.product-chip{font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,0.03);border:1px solid var(--panel-border);color:var(--muted)}.product-chip.zx{border-color:rgba(139,92,246,0.4);color:#c4b5fd}.product-chip.lp{border-color:rgba(34,211,238,0.4);color:#67e8f9}.product-chip.st{border-color:rgba(192,132,252,0.4);color:#e9d5ff}.contact-cards{display:grid;grid-template-columns:1fr;gap:12px;margin-top:16px}.contact-card{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 18px;border-radius:14px;background:rgba(255,255,255,0.025);border:1px solid var(--panel-border);transition:border-color .2s,background .2s}.contact-card:hover{border-color:rgba(139,124,255,0.45);background:rgba(139,92,246,0.05)}.contact-card .cl{display:flex;align-items:center;gap:12px}.contact-card .cc-icon{width:38px;height:38px;border-radius:10px;background:rgba(139,92,246,0.1);border:1px solid rgba(139,124,255,0.3);display:flex;align-items:center;justify-content:center;flex-shrink:0}.contact-card .cc-icon svg{width:17px;height:17px;color:var(--purple)}.contact-card h4{font-size:14px;font-weight:700}.contact-card .mono{font-size:12.5px;color:var(--cyan)}.contact-card svg.arrow{width:16px;height:16px;color:var(--muted-2);flex-shrink:0}.notice-box{margin-top:34px;padding:20px 22px;border-radius:16px;background:rgba(34,211,238,0.05);border:1px solid rgba(34,211,238,0.25)}.notice-box p{font-size:13.5px;color:var(--muted);line-height:1.75;margin:0}.notice-box strong{color:var(--cyan)}.back-to-top{position:fixed;right:18px;bottom:22px;z-index:80;width:44px;height:44px;border-radius:13px;background:var(--panel);border:1px solid var(--panel-border);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:all .25s ease;box-shadow:0 12px 30px -10px rgba(0,0,0,0.6)}.back-to-top.show{opacity:1;pointer-events:auto}.back-to-top svg{width:18px;height:18px;color:var(--cyan)}footer{position:relative;z-index:1;border-top:1px solid var(--panel-border);padding:36px 0;text-align:center}footer p{font-size:12.5px;color:var(--muted-2)}footer .footer-links{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-bottom:14px}footer .footer-links a{font-size:13px;color:var(--muted);transition:color .2s}footer .footer-links a:hover{color:var(--cyan)}@media(min-width:860px){.layout{grid-template-columns:220px 1fr}.toc{order:1;position:sticky;top:88px}.content{order:2}.contact-cards{grid-template-columns:repeat(2,1fr)}}
/* --- brand marks ------------------------------------------------------- */
.hero-logo{
  display:block;width:66px;height:66px;border-radius:19px;
  border:1px solid rgba(255,255,255,.13);
  box-shadow:0 16px 38px -20px rgba(0,0,0,.95);
  margin-bottom:20px;
}
.footer-mark{
  display:block;width:36px;height:36px;border-radius:11px;
  margin:0 auto 16px;border:1px solid var(--panel-border);
}
@media (max-width:620px){
  .hero-logo{width:56px;height:56px;border-radius:16px;margin-bottom:16px}
}

/* --- narrow-screen overflow fix ---------------------------------------- */
/* Grid items default to min-width:auto, so a long email or domain can push
   the whole column wider than the phone screen. Let them shrink, and let
   long unbroken strings wrap. */
.layout > *{min-width:0}
.mono,.sr-name,.contact-card,.toc a,.cc-mails a,.contact-card .mono{overflow-wrap:anywhere}

.tm{font-size:.72em;line-height:0;vertical-align:.34em;letter-spacing:0;font-weight:700;opacity:.82}.brand-text .sub .tm{font-size:1.25em;vertical-align:.04em;letter-spacing:0;margin-left:3px;opacity:.85;font-weight:700}.tm-note{display:block;margin-top:7px;max-width:72ch;font-size:11.5px;line-height:1.6;color:var(--muted-2)}