:root{--bg:#f5f7fb;--card:#fff;--ink:#16202e;--muted:#5b6675;--line:#e4e9f0;--brand:#ff6a00;--brand-d:#e85f00;--navy:#0f2942;--ok:#0a7d3c;--err:#c0392b;--r:14px}*{box-sizing:border-box;margin:0;padding:0}body,html{background:var(--bg);color:var(--ink);font-family:Segoe UI,Heebo,Arial,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:var(--navy);color:#fff}.topbar .in{max-width:1120px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;flex-wrap:wrap}.brand{font-weight:800;font-size:22px;color:#fff}.brand b{color:var(--brand)}.topnav{display:flex;gap:16px;align-items:center}.topnav a{color:#dce6f2;font-weight:600;font-size:15px}.topnav a:hover{color:#fff}.content{max-width:1120px;margin:0 auto;padding:26px 20px}h1{font-size:30px;margin-bottom:10px}h1,h2{color:var(--navy)}h2{font-size:23px;margin:6px 0 14px}h3{font-size:18px;color:var(--navy);margin:16px 0 8px}.muted,.sub{color:var(--muted);font-size:14px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;margin-bottom:16px}.btn{display:inline-block;background:var(--brand);color:#fff!important;border:none;border-radius:10px;padding:12px 26px;font-weight:700;font-size:15px;cursor:pointer}.btn:hover{background:var(--brand-d)}.btn.ghost{background:transparent;color:var(--brand)!important;border:2px solid var(--brand)}.btn.ghost:hover{background:var(--brand);color:#fff!important}.btn.block{display:block;width:100%;text-align:center}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}label{font-weight:600;font-size:14px;color:var(--navy)}input,select,textarea{padding:11px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--ink);width:100%}input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);border-color:var(--brand)}.msg{padding:11px 14px;border-radius:10px;margin-bottom:14px;font-weight:600;font-size:14px}.msg.ok{background:#e5f6ec;color:var(--ok);border:1px solid #b7e2c7}.msg.err{background:#fdecea;color:var(--err);border:1px solid #f5c6c0}.hero{background:linear-gradient(135deg,var(--navy),#1c3f63);color:#fff;border-radius:18px;padding:48px 32px;text-align:center;margin-bottom:22px}.hero h1{color:#fff;font-size:clamp(28px,5vw,44px)}.hero p{color:#cfe0f0;font-size:18px;max-width:640px;margin:10px auto 22px}.cats{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:14px;gap:14px}.cat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 16px;text-align:center;transition:.15s}.cat:hover{border-color:var(--brand);box-shadow:0 10px 26px rgba(15,41,66,.1);transform:translateY(-3px)}.cat .ic{font-size:34px;margin-bottom:8px}.cat h3{margin:0 0 4px;color:var(--navy)}.cat p{color:var(--muted);font-size:13px}.auth-wrap{max-width:440px;margin:30px auto}.foot{max-width:1120px;margin:24px auto;padding:16px 20px;color:var(--muted);font-size:13px;text-align:center}.foot a{color:var(--brand)}@media(max-width:820px){.cats{grid-template-columns:1fr 1fr}}@media(max-width:480px){.cats{grid-template-columns:1fr}}