:root{color-scheme:light;--bg:#f6f9fc;--bg-grad:linear-gradient(180deg,#eef4ff,#f6f9fc 240px);--card:#ffffff;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--primary:#2563eb;--primary-2:#7c3aed;--accent:#f59e0b;--good:#10b981;--bad:#ef4444;--radius:16px;--shadow:0 2px 12px rgba(15,23,42,.06);--shadow-lg:0 10px 32px rgba(37,99,235,.14)}*{box-sizing:border-box}body{margin:0;font-family:system-ui,PingFang SC,Microsoft YaHei,Helvetica Neue,sans-serif;background:var(--bg-grad);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased}.wrap{max-width:820px;margin:0 auto;padding:24px 18px 56px}h1{font-size:26px;margin:0 0 6px;font-weight:800;letter-spacing:-.3px}h2{font-size:16px;margin:0 0 10px;font-weight:700}.muted{color:var(--muted);font-size:13px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:14px;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease}.card:hover{transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn{display:inline-block;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;border:0;border-radius:12px;padding:11px 20px;font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;box-shadow:0 4px 14px rgba(37,99,235,.28);transition:transform .15s ease,box-shadow .15s ease}.btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(37,99,235,.35)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.btn.ghost{background:transparent;color:var(--primary);border:1.5px solid var(--line);box-shadow:none;font-weight:600}.btn.ghost:hover{border-color:var(--primary);background:rgba(37,99,235,.05);box-shadow:none}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.chip{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:4px 12px;font-size:12.5px;color:var(--muted);background:var(--card)}.good{color:var(--good)}.bad,.good{font-weight:600}.bad{color:var(--bad)}ul.tasks{padding-left:18px;margin:8px 0;line-height:1.9}input[type=text],select,textarea{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:12px;font-size:14px;font-family:inherit;background:var(--card);transition:border-color .15s ease,box-shadow .15s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12)}.hero{text-align:center;padding:34px 20px 26px}.hero .logo{font-size:44px;margin-bottom:6px}.hero h1{font-size:32px;background:linear-gradient(120deg,var(--primary),var(--primary-2));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:8px}.hero .tagline{font-size:15px;color:var(--muted);margin-bottom:18px}.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));grid-gap:10px;gap:10px;margin:20px 0 4px}.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 8px;text-align:center;box-shadow:var(--shadow)}.stat .num{font-size:22px;font-weight:800;background:linear-gradient(120deg,var(--primary),var(--primary-2));-webkit-background-clip:text;background-clip:text;color:transparent}.stat .lbl{font-size:12px;color:var(--muted)}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:12px;gap:12px;margin-top:6px}.feature{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease}.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}.feature .ico{font-size:26px}.feature .t{font-weight:700;margin:6px 0 3px;font-size:14.5px}.feature .d{font-size:12.5px;color:var(--muted);line-height:1.6}.hero-badge{display:inline-block;background:rgba(37,99,235,.08);color:var(--primary);border-radius:999px;padding:5px 14px;font-size:12.5px;font-weight:600;margin-bottom:10px}