:root{--blue:#1b5cff;--navy:#0b1533;--ink:#0b1533;--body:#374151;--mut:#64748b;--line:#e6ebf2;--bg:#f7f9fc;--grn:#16a34a}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--body);background:#fff;line-height:1.65}
a{color:var(--blue);text-decoration:none}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
.stage{background:#fef3c7;color:#92400e;text-align:center;font-size:13px;padding:7px;font-weight:600}
header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:9}
.nav{display:flex;align-items:center;gap:16px;height:58px;flex-wrap:wrap}
.brand{font-weight:800;font-size:18px;color:var(--navy)}.brand span{color:var(--blue)}
.nav .links{margin-left:auto;display:flex;gap:15px;flex-wrap:wrap}
.nav .links a{color:var(--navy);font-weight:600;font-size:14.5px}.nav .links a:hover{color:var(--blue)}
.hero{background:linear-gradient(135deg,#0b1533,#1b2f6b);color:#fff;padding:40px 0}
.hero h1{margin:0 0 9px;font-size:30px;font-weight:800;line-height:1.15}
.hero p{margin:0;color:#c7d2e8;font-size:17px;max-width:680px}
.crumb{color:#8aa0c8;font-size:13px;margin-bottom:13px}.crumb a{color:#c7d2e8}
h2{color:var(--ink);font-size:23px;margin:34px 0 10px}
h3{color:var(--ink);font-size:18px;margin:24px 0 8px}
.tbl{width:100%;border-collapse:collapse;margin:14px 0;font-size:14.5px}
.tbl th,.tbl td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.tbl th{background:var(--bg);color:var(--ink)}
.tbl td.n,.tbl th.n{text-align:right}
.best td{background:#f0fdf4}
.cta{display:inline-block;background:var(--blue);color:#fff;font-weight:700;padding:11px 20px;border-radius:12px;margin:6px 8px 6px 0}
.cta.sec{background:#eef2ff;color:var(--blue)}
.box{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:18px 0}
.muted{color:var(--mut);font-size:13px}
ol.chart{line-height:1.85;font-size:15px;padding-left:22px}
ol.chart .muted{font-size:13px}
footer{background:var(--navy);color:#9fb0d0;padding:34px 0;margin-top:44px;font-size:14px}
footer .brand{color:#fff}footer .brand span{color:#5b8cff}
.tool{margin:20px 0}

.nav-toggle{display:none}
.burger{display:none}
@media(max-width:640px){
  header .wrap{padding-left:14px;padding-right:14px}
  .nav{position:relative;height:56px;flex-wrap:nowrap;justify-content:flex-start;gap:10px}
  .nav .brand{font-size:19px}
  .burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:40px;margin-left:auto;padding:8px;cursor:pointer}
  .burger span{display:block;width:100%;height:2.5px;background:var(--navy);border-radius:2px;transition:transform .22s,opacity .22s}
  .nav .links{display:none;position:absolute;top:100%;left:0;right:0;width:100%;margin:0;padding:6px 0;background:#fff;border-top:1px solid var(--line);box-shadow:0 12px 26px rgba(9,17,43,.12);flex-direction:column;gap:0;z-index:30}
  .nav-toggle:checked ~ .links{display:flex}
  .nav .links a{padding:13px 20px;font-size:15.5px;border-bottom:1px solid #f1f5f9;white-space:nowrap}
  .nav .links a:last-child{border-bottom:0}
  .nav-toggle:checked ~ .burger span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .nav-toggle:checked ~ .burger span:nth-child(2){opacity:0}
  .nav-toggle:checked ~ .burger span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
}

html,body{overflow-x:hidden;max-width:100%}
@media(max-width:640px){
  .wrap>table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .infographic{overflow-x:auto}
}