:root{--bg:#0d1017;--panel:#141a24;--panel2:#1b2330;--ink:#eaf0f7;--mut:#a7b3c4;
--line:#26303f;--acc:#00d3a7;--acc2:#ff6a3d;--warn:#ffce54}
*{box-sizing:border-box}
html,body{width:100%;overflow-x:hidden;margin:0}
body{background:var(--bg);color:var(--ink);
font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
line-height:1.7;font-size:17px}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
a{color:var(--acc)}
h1,h2,h3{line-height:1.25;color:#fff}
h1{font-size:2rem;margin:.4em 0 .3em}
h2{font-size:1.4rem;margin:1.6em 0 .5em}
h3{font-size:1.12rem;margin:1.2em 0 .4em}
p{margin:.7em 0}
img{max-width:100%;height:auto;display:block}
/* header */
.site-head{background:#0a0d13;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.head-row{display:flex;align-items:center;gap:16px;min-height:62px;flex-wrap:nowrap}
.brand-logo{font-weight:800;font-size:1.35rem;color:#fff;text-decoration:none;letter-spacing:.2px}
.nav-wrap{display:flex;align-items:center;gap:14px;margin-left:auto;flex-wrap:nowrap}
.nav-main{display:flex;gap:6px;flex-wrap:nowrap}
.nav-main a{color:var(--mut);text-decoration:none;padding:8px 10px;border-radius:8px;
font-size:.96rem;white-space:nowrap}
.nav-main a:hover{color:#fff;background:var(--panel2)}
.btn{display:inline-block;background:linear-gradient(120deg,var(--acc),#00b894);color:#062018;
font-weight:700;padding:10px 16px;border-radius:10px;text-decoration:none;white-space:nowrap}
.head-cta{padding:9px 14px;font-size:.94rem}
.burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;
flex-direction:column;gap:5px;padding:8px}
.burger span{width:24px;height:2px;background:#fff;display:block}
/* main */
main{padding:10px 0 30px}
.lede{font-size:1.12rem;color:#dfe7f1;background:var(--panel);border-left:3px solid var(--acc);
padding:14px 18px;border-radius:10px;margin:14px 0}
.hero{border-radius:14px;overflow:hidden;margin:16px 0;border:1px solid var(--line)}
.crumbs{font-size:.86rem;color:var(--mut);padding:14px 0 0}
.crumbs ol{list-style:none;display:flex;gap:8px;margin:0;padding:0;flex-wrap:wrap}
.crumbs li+li::before{content:"›";margin-right:8px;color:var(--line)}
.crumbs a{color:var(--mut);text-decoration:none}
ul,ol{margin:.6em 0 1em;padding-left:1.3em}
li{margin:.3em 0}
/* tables */
.table-scroll{overflow-x:auto;margin:1em 0;border:1px solid var(--line);border-radius:10px}
table{border-collapse:collapse;width:100%;min-width:420px}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--panel2);color:#fff}
td{color:var(--mut)}
/* faq */
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:10px;
margin:8px 0;padding:2px 14px}
.faq summary{cursor:pointer;font-weight:600;padding:12px 0;color:#fff}
.faq .faq-a{color:var(--mut);padding:0 0 12px}
/* cta */
.spin{background:var(--panel2);border:1px solid var(--line);border-radius:14px;
padding:18px 20px;margin:22px 0}
.cta-row{margin-top:12px}
.cta{font-size:1.02rem;padding:13px 22px}
/* footer */
.site-foot{background:#080b10;border-top:1px solid var(--line);margin-top:30px;padding:24px 0}
.foot-nav{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:10px}
.foot-nav a{color:var(--mut);text-decoration:none;font-size:.92rem}
.foot-note{color:#7f8ea3;font-size:.82rem;margin-top:8px}
/* back to top */
#toTop{position:fixed;right:18px;bottom:18px;display:none;background:var(--acc2);color:#fff;
border:0;border-radius:50%;width:46px;height:46px;font-size:1.2rem;cursor:pointer;z-index:50}
#toTop.show{display:block}
@media(max-width:820px){
  .burger{display:flex}
  .nav-wrap{position:absolute;top:62px;left:0;right:0;background:#0a0d13;
    border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;
    gap:0;padding:8px 22px 16px;display:none}
  .nav-wrap.open{display:flex}
  .nav-main{flex-direction:column;gap:0}
  .nav-main a{padding:12px 6px;border-bottom:1px solid var(--line)}
  .head-cta{margin-top:10px;text-align:center}
  .head-row{position:relative}
  h1{font-size:1.6rem}
}