:root {
    color-scheme: dark;
    --ink: #070a0f;
    --panel: #131b27;
    --line: rgba(255, 255, 255, .1);
    --text: #f4f6f8;
    --muted: #aab5c5;
    --accent: #ff7048;
    --accent-soft: #ffb547;
}

* { box-sizing: border-box; }
html { background: var(--ink); }
body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background:
        radial-gradient(900px 500px at 12% -10%, rgba(255, 112, 72, .18), transparent 65%),
        radial-gradient(800px 500px at 100% 0%, rgba(32, 42, 107, .25), transparent 70%),
        var(--ink);
    font: 16px/1.7 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main { width: min(900px, calc(100% - 32px)); margin: 0 auto; padding: 48px 0 72px; }
header { margin-bottom: 28px; }
.eyebrow { color: var(--accent-soft); font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 8px 0; font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.08; letter-spacing: -.04em; }
.intro { color: var(--muted); margin: 0; }
article { background: rgba(19, 27, 39, .9); border: 1px solid var(--line); border-radius: 22px; padding: clamp(24px, 5vw, 48px); box-shadow: 0 24px 70px rgba(0,0,0,.3); }
h2 { margin: 28px 0 8px; color: var(--accent-soft); font-size: 1.2rem; line-height: 1.3; }
h2:first-child { margin-top: 0; }
p, ul { margin: 8px 0 14px; }
ul { padding-left: 22px; }
a { color: #ffc76a; }
.notice { margin-top: 24px; padding: 14px 16px; border-left: 3px solid var(--accent); background: rgba(255, 112, 72, .08); color: var(--muted); }
footer { color: #718096; font-size: .85rem; margin-top: 22px; }
@media (max-width: 560px) { main { width: min(100% - 20px, 900px); padding-top: 28px; } article { border-radius: 16px; padding: 22px 18px; } }