/* Shared styles for the secondary public pages (pricing, legal). The two
   landing pages keep their own inline styles; tokens here match them. */
:root{
  --paper:#f7f9fb; --panel:#ffffff; --ink:#102a43; --line:#334e68; --muted:#52606d;
  --rule:#d9e2ec; --evidence:#0e7c74; --evidence-soft:#e0f2f0; --gap:#b45309; --gap-soft:#fdf3e7;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.6 var(--sans)}
a{color:inherit}
a:focus-visible,summary:focus-visible,button:focus-visible{outline:3px solid var(--evidence);outline-offset:3px;border-radius:4px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
header.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;text-decoration:none}
.brand svg{width:28px;height:28px}
.top-actions{display:flex;align-items:center;gap:16px}
.nav,.lang{font-weight:600;font-size:.95rem;text-decoration:underline;text-underline-offset:3px}
.nav[aria-current="page"]{text-decoration-thickness:2px}
.signin{font-weight:600;text-decoration:none;padding:8px 14px;border:1.5px solid var(--line);border-radius:6px}
.signin:hover{background:var(--panel)}
h1{font-size:clamp(2rem,4vw,2.8rem);line-height:1.1;letter-spacing:-.02em;margin:0 0 14px;font-weight:750}
h2{font-size:clamp(1.4rem,2.6vw,1.8rem);line-height:1.2;margin:0 0 12px;font-weight:720}
:lang(zh) h1,:lang(zh) h2{letter-spacing:0;line-height:1.25}
.lede{font-size:1.15rem;color:var(--muted);max-width:38em;margin:0 0 24px}
.btn{display:inline-block;text-align:center;font-weight:650;text-decoration:none;padding:12px 20px;border-radius:6px;border:1.5px solid var(--ink)}
.btn.primary{background:var(--ink);color:#fff}
.btn.primary:hover{background:var(--line);border-color:var(--line)}
.btn.ghost:hover{background:var(--panel)}
.note{font-size:.9rem;color:var(--muted)}
.center{text-align:center;max-width:44em;margin-left:auto;margin-right:auto}
section{padding:56px 0;border-top:1px solid var(--rule)}
details{border-bottom:1px solid var(--rule);padding:16px 0;max-width:46em}
summary{cursor:pointer;font-weight:650;list-style-position:inside}
details p{margin:10px 0 0;color:var(--muted)}
footer{border-top:1px solid var(--rule);padding:32px 0 48px;color:var(--muted);font-size:.9rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
.foot-links{display:flex;flex-wrap:wrap;gap:18px}

/* Pricing */
.page-head{padding:32px 0 28px}
.switches{display:flex;flex-wrap:wrap;gap:12px}
.seg{display:inline-flex;border:1.5px solid var(--line);border-radius:8px;overflow:hidden;background:var(--panel)}
.seg button{font:inherit;font-size:.95rem;font-weight:600;color:var(--ink);background:none;border:0;padding:8px 14px;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--ink);color:#fff}
.seg .save{font-weight:500;font-size:.8rem;color:var(--evidence);margin-left:4px}
.seg button[aria-pressed="true"] .save{color:#bfe9e4}
.plans{padding-top:12px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch;padding-bottom:28px}
.plan{position:relative;background:var(--panel);border:1px solid var(--rule);border-radius:10px;padding:24px;display:flex;flex-direction:column}
.plan.featured{border:2px solid var(--ink)}
.plan .badge{position:absolute;top:-13px;left:22px;margin:0;font-size:.8rem;font-weight:700;color:#fff;background:var(--ink);padding:3px 10px;border-radius:99px}
.plan h2{margin:0 0 4px;font-size:1.35rem}
.plan .for{color:var(--muted);margin:0 0 16px;font-size:.95rem;min-height:3em}
.plan .price{margin:0;font-size:2.4rem;font-weight:750;letter-spacing:-.02em;line-height:1.1}
.plan .per{font-size:1rem;font-weight:500;color:var(--muted);letter-spacing:0}
.plan .tax{margin:4px 0 16px;font-size:.85rem;color:var(--muted);min-height:1.3em}
.plan ul{margin:0 0 22px;padding-left:1.1em;flex:1}
.plan li{margin:0 0 6px}
.addon{text-align:center;margin:8px 0 6px}

/* Legal */
.legal{max-width:46em;padding:24px 0 56px}
.legal h2{font-size:1.2rem;margin:32px 0 8px}
.legal p,.legal li{color:#243b53}
.legal .draft{background:var(--gap-soft);border:1.5px dashed var(--gap);border-radius:8px;padding:12px 14px;color:#7a3e06}

@media (max-width:880px){
  .plans{grid-template-columns:1fr}
  .plan .for{min-height:0}
}
@media (max-width:520px){
  .top-actions{gap:12px}
  .nav{display:none}
}