:root{--bg: #061014;--panel: #0b1a20;--line: rgba(98, 230, 210, .18);--mint: #3ee0c4;--blue: #5aa8ff;--text: #e7f6f3;--muted: #8aa8a4}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Segoe UI,PingFang SC,Noto Sans SC,sans-serif}a{color:inherit;text-decoration:none}.page{position:relative;min-height:100vh;overflow:hidden}.page-grid,.page-scan{pointer-events:none;position:absolute;inset:0}.page-grid{background-image:linear-gradient(rgba(90,168,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(62,224,196,.05) 1px,transparent 1px);background-size:48px 48px}.page-scan{background:linear-gradient(180deg,transparent 0%,rgba(62,224,196,.08) 50%,transparent 100%);background-size:100% 220px;animation:scan 8s linear infinite}@keyframes scan{0%{background-position:0 -220px}to{background-position:0 100vh}}.topbar,.hero,.section,.footer{position:relative;z-index:1;width:min(1120px,calc(100% - 40px));margin:0 auto}.topbar{display:flex;align-items:center;justify-content:space-between;padding:28px 0 8px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.08em}.brand-mark{width:14px;height:14px;border:2px solid var(--mint);box-shadow:0 0 12px var(--mint)}.nav{display:flex;gap:22px;color:var(--muted)}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:72px 0 48px}.eyebrow{margin:0 0 12px;color:var(--mint);letter-spacing:.18em;text-transform:uppercase;font-size:12px}h1,h2,h3{margin:0}h1{font-size:clamp(36px,5vw,58px);line-height:1.15}h1 span{display:block;margin-top:12px;color:var(--blue);font-size:.42em;font-weight:500}.lead,.card p,.steps p,.footer p{color:var(--muted);line-height:1.75}.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.hero-meta span,.card,.steps li{border:1px solid var(--line);background:#0b1a20b8}.hero-meta span{padding:6px 12px;font-size:13px}.hero-visual{position:relative;height:360px}.orbit,.orbit-delay{position:absolute;inset:24px;border:1px solid rgba(90,168,255,.28);border-radius:50%;animation:spin 18s linear infinite}.orbit-delay{inset:56px;border-color:#3ee0c459;animation-duration:12s;animation-direction:reverse}@keyframes spin{to{transform:rotate(360deg)}}.neural,.ecg{position:absolute;inset:0;width:100%;height:100%;fill:none;stroke:var(--mint);stroke-width:1.4}.ecg{height:80px;top:auto;bottom:28px;stroke:var(--blue)}.section{padding:56px 0}.section-head{margin-bottom:28px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card,.steps li{padding:20px}.card h3,.steps h3{margin-bottom:10px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:0;margin:0;list-style:none}.step-n{display:block;margin-bottom:12px;color:var(--blue);letter-spacing:.12em}.footer{display:flex;justify-content:space-between;gap:16px;padding:32px 0 48px;border-top:1px solid var(--line)}@media(max-width:900px){.hero,.cards,.steps,.footer{grid-template-columns:1fr;display:grid}.hero-visual{height:260px}}