:root{
  --bg:#f4f7fb;--panel:#fff;--ink:#172331;--muted:#647587;--line:#d9e3ec;
  --accent:#116b7a;--accent2:#27528f;--ok:#147a55;--warn:#a45d00;--danger:#b42318;
  --shadow:0 10px 28px rgba(28,47,70,.08);
}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.55}
.app-nav{position:sticky;top:0;z-index:5;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 16px rgba(20,42,65,.05)}
.nav-inner{max-width:1320px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.brand{font-weight:900;font-size:20px;color:var(--accent);text-decoration:none}.menu{display:flex;gap:8px;flex-wrap:wrap}
.menu a{color:#253445;text-decoration:none;border:1px solid transparent;padding:8px 10px;border-radius:7px;font-weight:800}
.menu a:hover,.menu a.active{background:#e9f7f8;border-color:#bfe3e7;color:var(--accent)}
.wrap{max-width:1320px;margin:0 auto;padding:26px 24px 56px}
.hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:18px;align-items:stretch;margin-bottom:18px}
.panel,.card,.task{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px;box-shadow:var(--shadow)}
.hero h1{font-size:34px;line-height:1.15;margin:0 0 10px;letter-spacing:0}.hero p,.muted{color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:16px 0}.card h3,.panel h2{margin:0 0 10px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 14px;border-radius:8px;border:1px solid transparent;font-weight:900;text-decoration:none;cursor:pointer}
.btn.primary{background:var(--accent);color:white}.btn.secondary{background:#fff;color:var(--accent);border-color:var(--accent)}.btn.audit{background:#f6efe3;color:#714900;border-color:#e5d3b3}
.btn.disabled,.btn:disabled{background:#eef2f5;color:#6c7784;border-color:#d6dee6;cursor:not-allowed}.btn small{display:block;font-size:11px;margin-left:6px;font-weight:700;opacity:.8}
.redline{background:#fff7f6;border-left:5px solid var(--danger);padding:13px 15px;border-radius:8px;margin:14px 0}.ok{color:var(--ok);font-weight:900}.warn{color:var(--warn);font-weight:900}
.progress{height:12px;border-radius:999px;background:#e6edf3;overflow:hidden}.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#35a2a8);width:0}
.task-list{display:grid;gap:12px}.task{display:grid;grid-template-columns:36px minmax(0,1fr) auto;gap:12px;align-items:center}.step{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#e9f7f8;color:var(--accent);font-weight:900}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}th,td{text-align:left;padding:11px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#eef4f8}
.answer-grid{display:grid;gap:12px}.question{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px}.scale{display:flex;gap:8px;flex-wrap:wrap}.score{width:46px;height:42px;border-radius:8px;border:1px solid var(--line);background:#fff;font-weight:900;cursor:pointer}.score.active{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 0 0 3px rgba(17,107,122,.15)}
pre{white-space:pre-wrap;background:#101828;color:#e6edf3;border-radius:10px;padding:14px;overflow:auto}.hidden{display:none}
@media(max-width:820px){.hero{grid-template-columns:1fr}.hero h1{font-size:28px}.task{grid-template-columns:36px 1fr}.task .actions{grid-column:2}}