:root{
  --bg:#f5f7fb; --panel:#ffffff; --ink:#16202e; --soft:#5b6b7e; --line:#e1e8f0;
  --teal:#0f9d8f; --teal-d:#0b7d72; --gold:#e0a526; --good:#0f9d8f; --bad:#d6455a;
  --rad:12px;
}
*{box-sizing:border-box}
html,body{width:100%;overflow-x:hidden;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:'Manrope',system-ui,Arial,sans-serif;line-height:1.7;font-size:17px}
a{color:var(--teal-d)}
img{max-width:100%;height:auto}
.skip{position:absolute;left:-999px}
.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:99}
.wrap{max-width:960px;margin:0 auto;padding:18px 16px 56px}
h1{font-size:2em;line-height:1.22;font-weight:800;margin:.35em 0 .2em}
h2{font-size:1.42em;font-weight:800;margin:1.6em 0 .5em;color:var(--teal-d)}
h3{font-size:1.12em;font-weight:700;margin:1.1em 0 .4em}
p{margin:.6em 0}
ul,ol{margin:.6em 0}
.stamp{color:var(--soft);font-size:.85em;margin-top:0}
.lede{background:var(--panel);border:1px solid var(--line);border-left:5px solid var(--teal);border-radius:var(--rad);padding:16px 18px;font-size:1.05em}
/* header */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar-inner{max-width:1120px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:11px 16px;gap:12px}
.brandlogo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800}
.logo-badge{display:inline-flex;align-items:center;justify-content:center;padding:6px 9px;border-radius:8px;background:linear-gradient(135deg,var(--teal),var(--gold));color:#fff;font-weight:800;font-size:.8em;letter-spacing:.5px}
.logo-badge .dot{opacity:.7;margin:0 1px}
.logo-word{font-size:1.02em}
.menu{display:flex;align-items:center;gap:18px;margin-left:auto}
.menu a{color:var(--soft);text-decoration:none;font-size:.95em;font-weight:600}
.menu a:hover,.menu a.on{color:var(--ink)}
.go{display:inline-block;border-radius:999px;font-weight:800;text-decoration:none;cursor:pointer;text-align:center;background:linear-gradient(135deg,var(--gold),#caa11f);color:#1a1304;padding:11px 20px}
.go:hover{filter:brightness(1.05)}
.go-sm{padding:9px 16px;font-size:.92em}
.go-lg{font-size:1.12em;padding:15px 32px}
.navtoggle{display:none;background:none;border:0;flex-direction:column;gap:5px;cursor:pointer;padding:8px;margin-left:auto}
.navtoggle span{display:block;width:26px;height:3px;background:var(--ink);border-radius:2px;transition:.2s}
.navtoggle[aria-expanded=true] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.navtoggle[aria-expanded=true] span:nth-child(2){opacity:0}
.navtoggle[aria-expanded=true] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
/* trail */
.trail{font-size:.85em;color:var(--soft);margin:4px 0 12px}
.trail a{color:var(--soft);text-decoration:none}
.trail a:hover{color:var(--ink)}
.trail .bsep{opacity:.5;margin:0 2px}
.home-trail{display:none}
/* cta */
.goband{text-align:center;margin:26px 0}
/* scorebox */
.scorebox{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;margin:24px 0}
.score-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:12px 0 4px}
.sc{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:12px;text-align:center}
.sc-k{display:block;color:var(--soft);font-size:.78em}
.sc-v{display:block;font-weight:800;font-size:1.12em;margin-top:4px;color:var(--teal-d)}
.pc{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.pc-good,.pc-bad{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:14px}
.pc-good h3{color:var(--good);margin-top:0}
.pc-bad h3{color:var(--bad);margin-top:0}
.pc-good ul,.pc-bad ul{margin:0;padding-left:18px}
.pc-good li,.pc-bad li{margin:.35em 0}
/* tables */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:16px 0;border:1px solid var(--line);border-radius:10px;background:var(--panel)}
table{border-collapse:collapse;width:100%;min-width:420px}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:#eef3f8;font-weight:700}
tbody tr:last-child td{border-bottom:0}
/* steps */
.steps{counter-reset:s;list-style:none;padding:0;margin:14px 0}
.steps li{position:relative;padding:11px 12px 11px 48px;background:var(--panel);border:1px solid var(--line);border-radius:10px;margin:8px 0}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:11px;top:50%;transform:translateY(-50%);width:27px;height:27px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.85em}
/* figures */
.shot{margin:20px 0;text-align:center}
.shot img{width:90%;border-radius:10px;box-shadow:0 6px 22px rgba(20,40,60,.12)}
.shot figcaption{color:var(--soft);font-size:.85em;margin-top:8px}
/* faq */
.faqs{margin:30px 0}
.qa{background:var(--panel);border:1px solid var(--line);border-radius:10px;margin:10px 0;overflow:hidden}
.qa summary{cursor:pointer;padding:14px 16px;font-weight:700;list-style:none;min-height:44px;display:flex;align-items:center}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";margin-left:auto;color:var(--teal);font-size:1.3em}
.qa[open] summary::after{content:"–"}
.qa-body{padding:0 16px 14px;color:var(--soft)}
/* footer */
.foot{background:var(--panel);border-top:1px solid var(--line);margin-top:40px}
.foot-cols{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:22px;padding:30px 16px}
.foot-name{font-weight:800;font-size:1.1em;margin-bottom:8px}
.foot-col h3{font-size:.95em;margin:0 0 10px;color:var(--ink)}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{margin:.3em 0}
.foot-col a{color:var(--soft);text-decoration:none}
.foot-col a:hover{color:var(--ink)}
.muted{color:var(--soft);font-size:.85em}
.agebadge{display:inline-block;border:2px solid var(--bad);color:var(--bad);border-radius:8px;padding:2px 8px;font-weight:800;margin-top:8px}
.copyline{max-width:1120px;margin:0 auto;padding:16px;border-top:1px solid var(--line);color:var(--soft);font-size:.8em}
@media(max-width:860px){
  .score-grid{grid-template-columns:repeat(2,1fr)}
  .foot-cols{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  body{font-size:16px}
  h1{font-size:1.5em}h2{font-size:1.25em}h3{font-size:1.08em}
  .wrap{padding:14px 12px 40px}
  .navtoggle{display:flex}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--panel);border-bottom:1px solid var(--line);padding:8px 12px 14px}
  .menu.open{display:flex}
  .menu a{padding:12px 6px;border-bottom:1px solid var(--line)}
  .go-sm{margin-top:10px;border-bottom:0!important}
  .pc{grid-template-columns:1fr}
  .foot-cols{grid-template-columns:1fr}
  .shot img{width:100%}
}