*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#e8eef1;color:#1d2b30;font:16px/1.62 Verdana,Geneva,sans-serif}
a{color:#0e6251}
a:focus-visible,button:focus-visible{outline:2px solid #0e6251;outline-offset:2px}
.skip{position:absolute;left:-9999px;top:0;background:#ffffff;color:#0e6251;padding:10px 14px;z-index:5}
.skip:focus{left:12px;top:12px}
img,svg{max-width:100%;height:auto}
h1,h2,h3{font-family:"Trebuchet MS",Verdana,sans-serif;color:#1d2b30;margin:0 0 12px}
h1{font-size:40px;line-height:1.16;letter-spacing:-.01em}
h2{font-size:25px;line-height:1.25}
h3{font-size:19px;line-height:1.3}
p{margin:0 0 16px}
.shell{max-width:1060px;margin:24px auto 40px;background:#ffffff;border-radius:10px;
  box-shadow:0 2px 10px rgba(20,50,60,.14);overflow:hidden}
main{display:block}
.mod{padding:32px 40px;border-bottom:1px solid #c9d8dd}
.mod:last-child{border-bottom:0}
/* 1 header */
.masthead{background:linear-gradient(180deg,#14a37f 0,#0e6251 62%);color:#ffffff;padding:0;
  border-bottom:1px solid #0b4f42}
.masthead .inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 40px 0}
.brandbox{display:flex;align-items:center;gap:12px;text-decoration:none;color:#ffffff}
.brandbox img{width:44px;height:44px;display:block}
.wordmark{font-family:"Trebuchet MS",Verdana,sans-serif;font-size:34px;font-weight:700;
  letter-spacing:-.01em;line-height:1.05;display:block}
.tag{font-size:12.5px;color:#cdeae0;display:block}
.tabs{display:flex;flex-wrap:wrap;gap:6px;padding:14px 40px 0;margin:0;list-style:none}
.tabs li{margin:0}
.tabs a{display:block;padding:9px 14px;border-radius:8px 8px 0 0;background:rgba(255,255,255,.12);
  color:#ffffff;text-decoration:none;font-family:"Trebuchet MS",Verdana,sans-serif;font-size:13px;
  text-transform:uppercase;letter-spacing:.06em;border-bottom:3px solid transparent;
  transition:background .15s ease}
.tabs a:hover{background:rgba(255,255,255,.22)}
.tabs a[aria-current="page"]{background:#ffffff;color:#0e6251;border-bottom-color:#14a37f}
/* 2 opening */
.opening{display:grid;grid-template-columns:55fr 45fr;gap:32px;align-items:start}
.lede{font-size:17px}
.onward{display:inline-block;font-family:"Trebuchet MS",Verdana,sans-serif;font-weight:700;
  border-bottom:2px solid #14a37f;text-decoration:none;padding-bottom:2px}
figure{margin:0}
.figure{background:#f4f8f9;border:1px solid #c9d8dd;border-radius:8px;padding:12px}
figcaption{font-size:13px;color:#4a5f66;margin-top:8px;line-height:1.45}
/* 3 steps */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.stepcard{display:grid;grid-template-columns:44px 1fr;gap:16px;background:#f4f8f9;
  border:1px solid #c9d8dd;border-radius:8px;padding:16px}
.stepnum{width:34px;height:34px;border-radius:50%;background:#0e6251;color:#ffffff;
  display:flex;align-items:center;justify-content:center;
  font-family:"Trebuchet MS",Verdana,sans-serif;font-weight:700}
.stepcard p{margin:0}
.stepfig{margin-top:20px;max-width:420px}
/* 4 tour */
.tourblock{display:grid;grid-template-columns:0.85fr 2fr;gap:28px;align-items:start;
  padding:20px 0;border-top:1px solid #c9d8dd}
.tourblock:first-of-type{border-top:0;padding-top:0}
.tourblock.flip{grid-template-columns:2fr 0.85fr}
.tourblock.flip .tourhead{order:2}
.tourhead h3{margin:0}
.tourhead{border-left:3px solid #14a37f;padding-left:12px}
.tourblock.flip .tourhead{border-left:0;border-right:3px solid #14a37f;padding-left:0;
  padding-right:12px;text-align:right}
.tourbody p:last-child,.tourbody ul:last-child{margin-bottom:0}
.tourblock ul{margin:0;padding-left:20px}
.tourblock li{margin-bottom:8px}
/* 5 additional */
.figrow{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
dl.facts{margin:0}
dl.facts dt{font-family:"Trebuchet MS",Verdana,sans-serif;font-weight:700;margin-top:12px}
dl.facts dd{margin:2px 0 0;color:#4a5f66;font-size:15px}
/* 6 library */
.tray{background:#ffffff;border:1px solid #c9d8dd;border-radius:8px;padding:0 18px 14px;
  position:relative;overflow:hidden}
.tray::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:#0e6251}
.tray h3{display:flex;align-items:center;gap:10px;margin:16px 0 10px}
.tray h3 img{width:28px;height:28px}
.library{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
main > section#updates{margin-top:32px}
ul.topics{list-style:none;margin:0;padding:0}
ul.topics li{border-top:1px solid #c9d8dd;padding:10px 0}
ul.topics li:first-child{border-top:0}
ul.topics a{font-family:"Trebuchet MS",Verdana,sans-serif;font-weight:700;text-decoration:none}
ul.topics a:hover{text-decoration:underline}
ul.topics span{display:block;font-size:14px;color:#4a5f66;line-height:1.5}
.metaline{font-family:Consolas,Menlo,monospace;font-size:13px;color:#4a5f66}
/* 7 updates */
table.updates,table.spec{border-collapse:collapse;width:100%;font-size:15px}
table.updates th,table.updates td,table.spec th,table.spec td{
  border:1px solid #c9d8dd;padding:9px 12px;text-align:left;vertical-align:top}
table.updates thead th,table.spec thead th{background:#f4f8f9}
table.updates td:first-child{font-family:Consolas,Menlo,monospace;font-size:13px;white-space:nowrap}
caption{caption-side:top;text-align:left;font-size:13px;color:#4a5f66;padding-bottom:6px}
.tablescroll{overflow-x:auto}
/* 8 footer */
.sitefoot{background:#0e6251;color:#e4f2ee;padding:28px 40px}
.sitefoot a{color:#ffffff}
.footcols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footcols h3{color:#ffffff;font-size:15px;text-transform:uppercase;letter-spacing:.06em}
.footcols ul{list-style:none;margin:0;padding:0}
.footcols li{margin-bottom:6px;font-size:15px}
.footrule{margin-top:22px;padding-top:14px;border-top:1px solid #2b7a68;font-size:14px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
/* inner pages */
.crumb{font-size:13.5px;color:#4a5f66;margin:0 0 10px}
.crumb a{text-decoration:none}
.prose{max-width:68ch}
.prose h2{margin-top:28px}
.pager{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;margin-top:28px;
  padding:14px 18px}
.pager a{font-family:"Trebuchet MS",Verdana,sans-serif;font-weight:700;text-decoration:none}
ol.numbered{padding-left:22px;max-width:68ch}
ol.numbered li{margin-bottom:12px}
@media (max-width:1100px){.shell{margin:0 auto;border-radius:0}}
@media (max-width:760px){
  .shell{box-shadow:none;border-radius:0;max-width:none}
  .mod{padding:22px 16px}
  .masthead .inner{padding:16px 16px 0}
  .tabs{padding:12px 16px 0;flex-wrap:wrap;overflow-x:auto}
  .opening,.figrow,.library,.tourblock,.tourblock.flip{grid-template-columns:1fr}
  .tourblock.flip .tourhead{order:0;border-right:0;border-left:3px solid #14a37f;
    padding-right:0;padding-left:12px;text-align:left}
  .tourblock{gap:12px}
  .sitefoot{padding:22px 16px}
  .footcols{grid-template-columns:1fr}
  h1{font-size:30px}
  h2{font-size:22px}
  .wordmark{font-size:27px}
}
@media (max-width:430px){
  .footrule{display:block}
  .footrule span{display:block;margin-bottom:4px}
  .tablescroll{border:1px solid #c9d8dd;border-radius:6px}
  .tablescroll .spec{min-width:470px;border:0}
  .stepcard{grid-template-columns:34px 1fr;gap:12px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}