:root{--bg:#0b1220;--ink:#e6e9ef;--muted:#8a94a6;--border:#22304a;--accent:#3b82f6;--card:#111a2b}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:radial-gradient(1200px 600px at 50% -10%,#17253f 0%,var(--bg) 60%);min-height:100vh}.wrap{max-width:920px;margin:0 auto;padding:40px 20px 60px}.brand{display:flex;align-items:baseline;gap:8px;margin-bottom:34px}.mark{font-weight:800;font-size:20px;color:var(--accent)}.sub{color:var(--muted);font-size:14px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px}.login{max-width:380px;margin:6vh auto 0;padding:26px}.login h1{margin:0 0 4px;font-size:22px}.login .muted{margin:0 0 18px}label{display:block;font-size:12px;font-weight:600;margin:12px 0 5px;color:var(--muted)}input{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:9px;background:#0c1526;color:var(--ink);font-size:14px}.err{color:#f87171;font-size:13px;margin-top:10px}button{cursor:pointer;border:0;border-radius:9px;font-size:14px;font-weight:600}button.primary{width:100%;margin-top:18px;padding:12px;background:var(--accent);color:#fff}button.ghost{background:transparent;border:1px solid var(--border);color:var(--ink);padding:8px 14px}.muted{color:var(--muted)}.hub-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.hi{font-size:20px;font-weight:700}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.tile{display:block;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;color:var(--ink);text-decoration:none;transition:border-color .15s,transform .1s}.tile:hover{border-color:var(--accent);transform:translateY(-2px)}.tile-ic{font-size:26px}.tile-name{font-size:17px;font-weight:700;margin-top:10px}.tile-desc{font-size:12.5px;color:var(--muted);margin-top:5px;line-height:1.45}.tile-go{margin-top:14px;font-size:13px;color:var(--accent);font-weight:600}