:root{color-scheme:dark;--bg:#050608;--panel:#0d0f12;--panel2:#090b0e;--line:#30343b;--text:#f5f6f7;--muted:#a7adb7;--red:#d92328;--green:#45a77d}
*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:"Segoe UI",Arial,sans-serif;overflow-x:hidden}
.contour-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;background:#050608}
.background-mark{position:fixed;right:6vw;bottom:5vh;z-index:0;pointer-events:none;opacity:.07;filter:grayscale(.15) brightness(.8)}.background-mark img{width:min(18vw,180px);height:auto;display:block}
.shell{position:relative;z-index:1;width:min(780px,calc(100% - 28px));margin:0 auto;padding:48px 0 42px}.brand-line{height:2px;background:var(--red);margin-bottom:23px}
.brand{display:flex;align-items:center;gap:16px;margin-bottom:27px}.brand img{width:58px;height:58px;object-fit:contain}.kicker{font-size:11px;font-weight:800;letter-spacing:.17em;color:#c5cad2}.product{font-size:28px;font-weight:800;letter-spacing:-.02em;margin-top:5px}
.panel{background:#0d0f12;border:1px solid var(--line);border-left:3px solid var(--red);padding:28px;box-shadow:0 16px 46px rgba(0,0,0,.3)}h1{font-size:clamp(30px,5.4vw,45px);line-height:1.04;letter-spacing:-.04em;margin:0 0 13px}p{line-height:1.55;color:var(--muted);margin:0}.lead{font-size:17px;color:#cbd0d8;max-width:630px}.steps{display:grid;gap:9px;margin:22px 0}.step{display:grid;grid-template-columns:28px 1fr;gap:10px;align-items:start}.n{font:800 12px/28px Consolas,monospace;text-align:center;background:#181b20;border:1px solid #393e47;color:#fff}.codebox{display:none;margin:20px 0 0;padding:16px 18px;background:var(--panel2);border:1px solid #393e47}.codebox.visible{display:block}.label{font-size:10px;font-weight:800;letter-spacing:.15em;color:#adb4be}.code{font:800 34px/1.3 Consolas,monospace;letter-spacing:.18em;margin-top:7px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;padding:12px 17px;border-radius:5px;text-decoration:none;font-weight:800}.button.primary{background:var(--red);color:#fff;border:1px solid #ef4448}.button.secondary{background:#12151a;color:#fff;border:1px solid #383d46}
.integrity{margin-top:14px;background:#0d0f12;border:1px solid var(--line);padding:20px}.hash{margin-top:9px;font:12px/1.55 Consolas,monospace;overflow-wrap:anywhere;color:#e1e5eb}.status{display:flex;align-items:center;gap:8px;margin-top:8px;color:var(--muted);font-size:13px}.status.ok{color:#9cdec2}.status i{width:8px;height:8px;border-radius:50%;background:#767d87}.status.ok i{background:var(--green)}.privacy{margin-top:20px;padding-top:18px;border-top:1px solid rgba(65,70,79,.75);font-size:13px}.links{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}.links a{color:#dce0e6;font-size:12px}.footer{margin-top:23px;color:#777f8b;font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.button.disabled{pointer-events:none;cursor:not-allowed;opacity:.55;background:#17191d;border-color:#353941;color:#9ba2ad}
@media(max-width:560px){.shell{padding-top:27px}.brand img{width:48px;height:48px}.product{font-size:23px}.panel{padding:22px 18px}.actions{display:grid}.button{width:100%}.code{font-size:29px}.background-mark{right:2vw;bottom:2vh;opacity:.055}.background-mark img{width:130px}}
@media(prefers-reduced-motion:reduce){.contour-canvas{opacity:.9}}