/* OneKeyAPI v3 shared theme */
@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Noto+Serif+SC:wght@400;500;600;700;900&family=Noto+Serif:wght@400;700;900&display=swap");
:root{
  --bg:#f9fafb;
  --surface:#ffffff;
  --surface-cream:#f6f3ee;
  --on-surface:#1c1c19;
  --on-surface-strong:#111827;
  --on-surface-variant:#584238;
  --on-surface-soft:#6b5d54;
  --outline:#e5e7eb;
  --outline-soft:#f0e9e0;
  --brand:#9c3f00;
  --brand-2:#b54a09;
  --brand-soft:rgba(156,63,0,.06);
  --green:#3a8a3a;
  --r-sm:8px;--r:12px;--r-lg:16px;--r-xl:24px;
  --serif:"Noto Serif SC","Noto Serif",Georgia,"PingFang SC","STSong","SimSun",serif;
  --sans:Manrope,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--on-surface-strong);font-family:var(--sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.serif{font-family:var(--serif);font-weight:700;letter-spacing:-.025em}
.w{max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:1024px){.w{padding:0 40px}}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;padding:24px 0;background:rgba(249,250,251,0);transition:all .3s}
.nav.scrolled{background:rgba(249,250,251,.85);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);padding:14px 0;border-bottom:1px solid var(--outline-soft)}
.nav-row{display:flex;align-items:center;justify-content:space-between}
.brand-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;letter-spacing:.04em;color:var(--on-surface)}
.brand-logo .dot{width:14px;height:14px;border-radius:4px;background:var(--brand)}
.nav-links{display:none;gap:36px;font-size:15px;color:var(--on-surface-variant);font-weight:500}
@media(min-width:900px){.nav-links{display:flex}}
.nav-links a{transition:color .15s}
.nav-links a:hover,.nav-links a.active{color:var(--brand)}
.nav-cta{display:flex;align-items:center;gap:14px}
.page-pad{padding-top:96px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 28px;border-radius:8px;font-size:15px;font-weight:700;transition:all .2s;line-height:24px;white-space:nowrap}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-2);box-shadow:0 8px 20px -8px rgba(156,63,0,.4);transform:translateY(-1px)}
.btn-line{background:transparent;color:var(--on-surface);border:1.5px solid var(--outline)}
.btn-line:hover{border-color:var(--on-surface);background:rgba(28,28,25,.03)}
.btn-ghost{color:var(--on-surface-variant);font-weight:600}
.btn-ghost:hover{color:var(--on-surface)}
.btn-lg{padding:14px 36px;font-size:16px}
.icon-arrow::after{content:"→";display:inline-block;transition:transform .2s;margin-left:4px}
.btn:hover .icon-arrow::after{transform:translateX(3px)}

/* common section/headings */
.section-eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--on-surface-variant);margin-bottom:20px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--brand);background:var(--brand-soft);padding:6px 16px;border-radius:999px;margin-bottom:24px}

/* footer */
footer.site-footer{padding:64px 0 40px;border-top:1px solid var(--outline-soft);background:var(--bg)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
@media(max-width:768px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px}}
.foot-brand{max-width:340px}
.foot-brand .brand-logo{margin-bottom:16px}
.foot-brand p{font-size:14px;color:var(--on-surface-variant);line-height:1.7}
.foot-col h4{font-family:var(--serif);font-size:16px;font-weight:700;color:var(--on-surface-strong);margin-bottom:18px}
.foot-col a{display:block;font-size:14px;color:var(--on-surface-variant);padding:6px 0;transition:color .15s}
.foot-col a:hover{color:var(--brand)}
.foot-bot{padding-top:32px;border-top:1px solid var(--outline-soft);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--on-surface-soft)}