html,body{margin:0;min-height:100%}body{font-family:"Avenir Next", "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;color:#f8fafc;background:#0b1220}.flash{margin:0;padding:12px 16px;text-align:center;font-size:14px}.flash.notice{background:#134e4a;color:#ccfbf1}.flash.alert{background:#7f1d1d;color:#fee2e2}.home{min-height:100vh;display:grid;place-items:center;padding:48px 24px;background:radial-gradient(ellipse 80% 50% at 50% -10%, rgba(255,176,32,0.18), transparent 55%),linear-gradient(165deg, #0b1220 0%, #121a2b 45%, #0f2a3a 100%)}.home-hero{max-width:560px;text-align:center}.home-brand{margin:0 0 20px;font-size:clamp(42px, 8vw, 64px);font-weight:800;letter-spacing:0.04em;line-height:1.05;color:#fff7ed}.home-headline{margin:0;font-size:clamp(20px, 3.5vw, 28px);font-weight:600;color:#fbbf24}.home-sub{margin:14px 0 0;font-size:16px;line-height:1.6;color:#94a3b8}