:root{--navy-900:#0b1f4b;--navy-800:#122d66;--blue-600:#2f6bff;--blue-700:#1e52d6;--blue-100:#e3edff;--blue-50:#f0f6ff;--red-500:#e6332c;--ink:#16233c;--muted:#5a6b85;--bg:#f5f8fc;--white:#fff;--line:#e3eaf4;--ok:#1a7f37;--err:#cf222e;--radius:16px;--shadow:0 10px 30px rgba(11,31,75,0.08)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--blue-600);text-decoration:none}a:hover{color:var(--blue-700)}.container{max-width:1140px;margin:0 auto;padding:0 24px}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.topbar .container{justify-content:space-between;height:72px}.brand,.topbar .container{display:flex;align-items:center}.brand{gap:12px;font-weight:700;font-size:17px;color:var(--navy-900)}.brand .mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue-600),var(--blue-700));box-shadow:0 6px 16px rgba(47,107,255,.35)}.nav{display:flex;align-items:center;gap:28px}.nav a{color:var(--muted);font-weight:500;font-size:15px}.nav a:hover{color:var(--navy-900)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:12px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:.18s;white-space:nowrap}.btn-primary{background:var(--blue-600);color:#fff}.btn-primary:hover{background:var(--blue-700);color:#fff}.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.35)}.btn-outline{background:#fff;color:var(--blue-700);border-color:var(--blue-600)}.btn-outline:hover{background:var(--blue-50)}.btn-danger{background:#fff;color:var(--err);border-color:#f0c0bf}.btn-danger:hover{background:#fdf0ef}.btn-sm{padding:7px 14px;font-size:13px;border-radius:9px}.hero{background:radial-gradient(1200px 500px at 80% -10%,rgba(47,107,255,.35),transparent 60%),linear-gradient(160deg,var(--navy-900),var(--navy-800));color:#fff;padding:96px 0 84px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 0);background-size:26px 26px;pointer-events:none}.hero .container{position:relative;z-index:1}.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.3px}.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--red-500)}.hero h1{font-size:46px;line-height:1.15;font-weight:800;margin:22px 0 16px;max-width:760px}.hero p.sub{font-size:18px;color:#c7d5f2;max-width:620px;margin-bottom:30px}.hero .cta{gap:14px}.hero .cta,.pills{display:flex;flex-wrap:wrap}.pills{gap:12px;margin-top:34px}.pill{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);padding:10px 16px;border-radius:12px;font-size:14px}.pill b{color:#fff}.section{padding:84px 0}.section-head{text-align:center;max-width:640px;margin:0 auto 48px}.section-head h2{font-size:32px;font-weight:800;color:var(--navy-900);margin-bottom:12px}.section-head p{color:var(--muted);font-size:17px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));grid-gap:22px;gap:22px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:.2s}.card:hover{transform:translateY(-4px)}.card .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--blue-50);color:var(--blue-600);margin-bottom:18px}.card h3{font-size:18px;margin-bottom:10px;color:var(--navy-900)}.card p{color:var(--muted);font-size:15px}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:22px;gap:22px}.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}.step .num{width:40px;height:40px;border-radius:12px;background:var(--blue-600);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;margin-bottom:16px}.step h3{font-size:18px;margin-bottom:8px;color:var(--navy-900)}.step p{color:var(--muted);font-size:15px}.dl-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));grid-gap:24px;gap:24px}.dl-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px}.dl-card .tag{font-size:12px;font-weight:700;letter-spacing:.5px;text-transform:uppercase}.dl-card .tag.upd{color:var(--blue-600)}.dl-card .tag.inst{color:var(--red-500)}.dl-card h3{font-size:22px;color:var(--navy-900)}.dl-card .meta{color:var(--muted);font-size:13.5px}.dl-card .meta code{background:var(--bg);padding:2px 6px;border-radius:6px;font-size:12px}.dl-card .btn{margin-top:auto}.empty{color:var(--muted);font-style:italic}.footer{background:var(--navy-900);color:#9fb2d8;padding:44px 0;margin-top:40px}.footer .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}.footer .brand{color:#fff}.admin-main,.admin-wrap{min-height:100vh}.admin-main{padding:32px 36px;background:var(--bg)}.admin-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:8px}.banner{border-radius:12px;padding:12px 18px;margin-bottom:14px;font-size:14.5px}.banner.ok{background:#e7f6ec;color:var(--ok);border:1px solid #bfe6cc}.banner.err{background:#fdecec;color:var(--err);border:1px solid #f3c3c2}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:16px;gap:16px;margin-bottom:26px}.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}.stat .k{color:var(--muted);font-size:13px;margin-bottom:6px}.stat .v{font-size:24px;font-weight:800;color:var(--navy-900)}.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);margin-bottom:26px}.panel 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10px;border-radius:999px;font-size:12px;font-weight:700}.badge.upd{background:var(--blue-100);color:var(--blue-700)}.badge.inst{background:#fdecea;color:var(--red-500)}.badge.latest{background:#e7f6ec;color:var(--ok)}.badge.plain{background:var(--bg);color:var(--muted)}.mono{font-family:Consolas,Menlo,monospace;font-size:12.5px}.actions{display:flex;gap:8px;align-items:center}.inline-form{display:inline}.login-bg{min-height:100vh;display:grid;place-items:center;background:radial-gradient(900px 500px at 20% -10%,rgba(47,107,255,.25),transparent 60%),linear-gradient(160deg,var(--navy-900),var(--navy-800))}.login-card{background:#fff;border-radius:20px;padding:40px;width:100%;max-width:400px;box-shadow:0 24px 60px rgba(0,0,0,.25)}.login-card h1{font-size:22px;color:var(--navy-900);margin-bottom:6px}.login-card p{color:var(--muted);font-size:14px;margin-bottom:22px}.hint{font-size:12.5px;color:var(--muted)}@media (max-width:720px){.hero h1{font-size:34px}.nav{display:none}.row2{grid-template-columns:1fr}.admin-main{padding:20px}}