:root{--bg:#f4f9fc;--panel:#fff;--ink:#10233c;--muted:#6d7f92;--line:#dbe8f1;--blue:#1478ff;--blue2:#eaf4ff;--teal:#15a68b;--warn:#f3aa2b;--danger:#e65454;--shadow:0 18px 50px #163f6517}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--ink);margin:0;padding:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}.shell{max-width:1440px;margin:auto;padding:24px}.topbar{justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px;display:flex}.brand{letter-spacing:-.04em;font-size:25px;font-weight:800}.brand span{color:var(--blue)}.nav{flex-wrap:wrap;gap:8px;display:flex}.nav a,.chip,.button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 14px;font-weight:650}.hero{color:#fff;box-shadow:var(--shadow);background:linear-gradient(135deg,#0e72f6,#2f98ff 55%,#79d8ea);border-radius:30px;padding:34px}.hero h1{letter-spacing:-.055em;max-width:1050px;margin:0;font-size:clamp(34px,5vw,68px);line-height:.97}.hero p{opacity:.92;max-width:850px;font-size:18px;line-height:1.55}.grid{grid-template-columns:repeat(12,1fr);gap:16px;margin-top:16px;display:grid}.card{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 7px 24px #163f650d}.span4{grid-column:span 4}.span6{grid-column:span 6}.span8{grid-column:span 8}.span12{grid-column:span 12}.kicker{text-transform:uppercase;letter-spacing:.12em;color:var(--blue);font-size:11px;font-weight:800}.metric{letter-spacing:-.045em;font-size:34px;font-weight:850}.muted{color:var(--muted)}.flow{align-items:center;gap:8px;padding:8px 0;display:flex;overflow:auto}.flow .node{background:var(--blue2);border-radius:16px;min-width:145px;padding:14px;font-weight:750}.arrow{color:var(--blue);font-weight:900}.state{color:#0e7f69;background:#e8f8f4;border-radius:10px;padding:7px 10px;font-weight:800;display:inline-flex}.sectionTitle{margin:0 0 12px;font-size:22px;font-weight:800}.button{cursor:pointer}.button.primary{background:var(--blue);border-color:var(--blue);color:#fff}.toolbar{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.editor{border:1px solid var(--line);color:#dceeff;background:#0d1b2a;border-radius:18px;width:100%;min-height:520px;padding:16px;font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace}.notice{background:#fff8db;border:1px solid #f6df84;border-radius:16px;padding:14px 16px}.ok{background:#e9fbf4;border-color:#b5efda}.trainCard{border:1px solid var(--line);background:#fff;border-radius:18px;padding:16px}.pill{color:#2464a7;background:#edf5ff;border-radius:999px;padding:6px 9px;font-size:12px;font-weight:750;display:inline-block}@media (max-width:900px){.span4,.span6,.span8{grid-column:span 12}.shell{padding:14px}.hero{border-radius:24px;padding:24px}.nav{justify-content:flex-end}.hero h1{font-size:42px}}