:root{--bg:#0b1020;--bg-elev:#121a30;--panel:#16203a;--text:#e7ecf5;--muted:#9aa7c2;--brand:#4f8cff;--brand-2:#35d0a5;--danger:#ff5c72;--border:#26324f;--radius:14px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1040px;margin:0 auto;padding:0 20px}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:rgba(11,16,32,.8);border-bottom:1px solid var(--border)}.nav-inner{display:flex;align-items:center;gap:24px;height:60px}.brand{font-weight:800;font-size:20px;letter-spacing:.3px}.brand span{color:var(--brand)}.nav-links{display:flex;gap:20px;margin-left:auto}.nav-links a{color:var(--muted);font-weight:600;font-size:15px}.nav-links a:hover{color:var(--text);text-decoration:none}.hero{padding:96px 0 64px;text-align:center}.hero h1{font-size:48px;line-height:1.1;margin:0 0 16px}.hero p{font-size:20px;color:var(--muted);max-width:640px;margin:0 auto 32px}.badge{padding:6px 14px;border-radius:999px;background:rgba(53,208,165,.12);color:var(--brand-2);font-size:13px;margin-bottom:20px;border:1px solid rgba(53,208,165,.25)}.badge,.btn{display:inline-block;font-weight:700}.btn{padding:12px 22px;border-radius:10px;cursor:pointer;border:1px solid transparent}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:#3f78e0;text-decoration:none}.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}.btn-ghost:hover{border-color:var(--brand);text-decoration:none}.btn-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.section{padding:56px 0}.section h2{font-size:30px;margin:0 0 8px}.section .lead{color:var(--muted);margin:0 0 28px}.grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px}@media (max-width:820px){.grid{grid-template-columns:1fr}}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px}.card h3{margin:0 0 8px;font-size:18px}.card p{margin:0;color:var(--muted);font-size:15px}pre{background:#0a0f1e;border:1px solid var(--border);border-radius:12px;padding:16px;overflow-x:auto;font-size:13.5px}code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.footer{border-top:1px solid var(--border);padding:28px 0;color:var(--muted);font-size:14px}.dropzone{border:1.5px dashed var(--border);border-radius:var(--radius);padding:32px;text-align:center;background:var(--bg-elev)}.dropzone.drag{border-color:var(--brand)}.result{margin-top:20px;border-radius:12px;padding:18px;border:1px solid var(--border)}.result.clean{background:rgba(53,208,165,.08);border-color:rgba(53,208,165,.4)}.result.infected{background:rgba(255,92,114,.08);border-color:rgba(255,92,114,.45)}.result.error{background:rgba(255,180,60,.08);border-color:rgba(255,180,60,.4)}.result h4{margin:0 0 8px}.kv{display:grid;grid-template-columns:140px 1fr;grid-gap:4px 12px;gap:4px 12px;font-size:14px}.kv dt{color:var(--muted)}.kv dd{margin:0;word-break:break-all}.tag{font-weight:800}.tag.clean{color:var(--brand-2)}.tag.infected{color:var(--danger)}