:root{font:16px/1.55 system-ui,sans-serif;color:#e9f2ff;background:radial-gradient(1200px 500px at 10% -10%,rgba(100,229,216,.16),transparent 55%),#0b1324;color-scheme:dark;--line: #293852;--muted: #a7b9d0;--aqua: #64e5d8;--role: var(--aqua)}*{box-sizing:border-box}body{margin:0}.top,main{max-width:1440px;margin:auto;padding:0 clamp(16px,4vw,55px)}.top{min-height:70px;display:flex;justify-content:space-between;align-items:center;gap:10px;border-bottom:1px solid var(--line)}.top strong{margin-right:16px}.top span,.hero p:first-child,.section-head small,.hint{font-size:.75rem;letter-spacing:.08em;color:var(--muted)}.top .pill{border:1px solid #28756e;border-radius:999px;color:var(--aqua);padding:4px 12px;white-space:nowrap}.hero{padding:24px 0 20px}.hero h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.12;margin:8px 0}.hero p{margin:0;color:var(--muted)}.hero p:first-child{color:var(--aqua)}.grid{display:grid;grid-template-columns:minmax(0,1.7fr) 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