:root{--pri:#0f6b7a;--pri2:#0f3d4a;--acc:#f08a24;--acc2:#ffd9b0;--ink:#1b262c;--mut:#5d6b73;--bg:#f4f7f6;--paper:#fff;--line:#dce6e6;--soft:#e8f3f2;--r:14px}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;overflow-wrap:break-word}
a{color:var(--pri);text-underline-offset:.15em}
a:hover{color:#0a8ea3}
img{max-width:100%;height:auto}
.w{width:min(1180px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:12px;top:-60px;background:#fff;padding:8px 14px;border-radius:8px;z-index:10}
.skip:focus{top:10px}
/* header: not sticky, menu wraps */
.hd{background:var(--paper);border-bottom:1px solid var(--line)}
.top{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px 16px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none}
.brand:hover{color:var(--ink)}
.brand b{display:block;font-size:25px;line-height:1.1;font-weight:800;letter-spacing:.2px;color:var(--pri2)}
.brand small{display:block;font-size:13px;color:var(--mut)}
.logo{flex:none}
.allt{color:var(--pri);border:1.5px solid var(--pri);border-radius:999px;padding:6px 16px;text-decoration:none;font-size:15px;white-space:nowrap}
.allt:hover{background:var(--pri);color:#fff}
.rub{background:var(--pri2)}
.rub .w{display:flex;flex-wrap:wrap;gap:4px 6px;padding:8px 0}
.rub a{color:#e6f3f2;text-decoration:none;font-size:15px;line-height:1.4;padding:6px 12px;border-radius:8px;white-space:nowrap}
.rub a:hover,.rub a[aria-current]{background:#ffffff1f;color:#fff;box-shadow:inset 0 -2px 0 var(--acc)}
main{padding:22px 0 40px}
.bc{font-size:14px;color:var(--mut);margin:0 0 14px;display:flex;flex-wrap:wrap;gap:6px}
.bc a{color:var(--mut)}
.bc .cur{color:var(--ink)}
.grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:26px;align-items:start}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:28px 32px}
.art h1{font-size:34px;line-height:1.2;margin:4px 0 12px;color:var(--pri2);font-weight:800}
.art h2{font-size:25px;line-height:1.3;margin:30px 0 12px;color:var(--pri2)}
.art h3{font-size:20px;margin:22px 0 10px}
.eyebrow{margin:0;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--acc);font-weight:700}
.eyebrow a{color:inherit;text-decoration:none}
.meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:14px;color:var(--mut);margin-bottom:14px}
.lead{font-size:18.5px;color:#33424a;margin:0 0 18px}
.cover{margin:0 0 20px}
.cover img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;background:var(--soft)}
.post p{margin:0 0 14px}
.post ul,.post ol{padding-left:22px;margin:0 0 14px}
.post h3{font-size:20px;margin:22px 0 8px;color:var(--pri2)}
.post img{display:block;max-width:100%;height:auto;margin:14px auto;border-radius:10px}
.post figure{margin:16px 0;text-align:center}
.post blockquote{margin:16px 0;padding:10px 16px;border-left:4px solid var(--acc);background:#fbfcfc}
.post{overflow-wrap:anywhere}
.tw{overflow-x:auto;margin:16px 0}
.tw table{border-collapse:collapse;width:100%;min-width:420px}
.tw th,.tw td{border:1px solid var(--line);padding:7px 10px;text-align:left;vertical-align:top}
.tw th{background:var(--soft)}
.facts table{min-width:0}.facts caption{text-align:left;font-weight:700;padding:0 0 6px;color:var(--pri2)}
.toc{background:var(--soft);border-radius:12px;padding:10px 16px;margin:0 0 18px}
.toc summary{cursor:pointer;font-weight:600}
.toc ol{margin:8px 0 4px;padding-left:22px}
.faq details{border:1px solid var(--line);border-radius:12px;padding:10px 16px;margin:0 0 10px;background:#fff}
.faq summary{cursor:pointer;font-weight:600}
.faq p{margin:8px 0 2px}
.rel{margin-top:28px;padding-top:6px;border-top:1px dashed var(--line)}
.rel ul{columns:2;column-gap:28px;padding-left:18px;margin:8px 0}
.rel li{break-inside:avoid;margin-bottom:6px}
.note{background:var(--soft);border-left:4px solid var(--acc);border-radius:10px;padding:12px 16px;margin:16px 0}
.disc{font-size:14px;color:var(--mut)}
.side{display:grid;gap:18px}
.side .box{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px}
.side h2{font-size:17px;margin:0 0 10px;color:var(--pri2)}
.side ul{list-style:none;margin:0;padding:0}
.side li{padding:6px 0;border-top:1px solid var(--line);font-size:15px;line-height:1.45}
.side li:first-child{border-top:0}
.side a{text-decoration:none}
/* listing cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;margin:16px 0}
.ac{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:var(--ink)}
.ac:hover{border-color:var(--pri);box-shadow:0 8px 24px #0f3d4a14}
.ac img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--soft)}
.ac i{font-style:normal;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--acc);padding:10px 14px 0;font-weight:700}
.ac b{padding:2px 14px 4px;line-height:1.35}
.ac span{padding:0 14px 14px;font-size:14px;color:var(--mut);line-height:1.5}
.ac.noimg{border-top:4px solid var(--acc)}
.alist{list-style:none;padding:0;margin:14px 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px}
.alist li{padding:8px 0;border-bottom:1px solid var(--line);line-height:1.45}
.alist a{text-decoration:none;font-weight:600}
.alist small{display:block;color:var(--mut);font-size:14px;font-weight:400}
.intro p{margin:0 0 12px}
.pager{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}
.pager a,.pager span{border:1px solid var(--line);border-radius:10px;padding:4px 12px;text-decoration:none;background:#fff}
.pager span{background:var(--pri);color:#fff;border-color:var(--pri)}
.pager .gap{background:none;border:0;color:var(--mut)}
/* home */
.hero{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;background:linear-gradient(135deg,#fff,var(--soft));border:1px solid var(--line);border-radius:22px;padding:34px 36px;margin-bottom:10px}
.hero h1{font-size:38px;line-height:1.15;margin:6px 0 12px;color:var(--pri2);font-weight:800}
.hero-art .logo{width:150px;height:150px}
.btns{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 0}
.btn{background:var(--pri);color:#fff;border-radius:999px;padding:9px 20px;text-decoration:none;border:1.5px solid var(--pri)}
.btn:hover{background:var(--pri2);color:#fff}
.btn.ghost{background:#fff;color:var(--pri)}
.sec{margin-top:26px}
.sec>h2{color:var(--pri2);font-size:26px;margin:0 0 6px}
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px;margin:12px 0}
.cat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;text-decoration:none;color:var(--ink);border-top:4px solid var(--acc)}
.cat b{display:block}
.cat span{font-size:14px;color:var(--mut)}
.cat:hover{border-color:var(--pri)}
.list{padding-left:20px}
.list li{margin-bottom:5px}
.nf{text-align:center}
.nf .code{font:800 88px/1 Arial,sans-serif;color:var(--acc);margin:10px 0 0}
.nf .btns{justify-content:center}
/* footer */
.ft{background:var(--pri2);color:#d9e8e7;padding:34px 0 22px;font-size:15px}
.ft a{color:#bfe3df;text-decoration:none;display:block;margin:3px 0}
.ft a:hover{color:#fff}
.ft .cols{display:grid;grid-template-columns:1.2fr 1.4fr 1fr;gap:28px}
.ft .rubs{columns:2;column-gap:20px}
.ft b{color:#fff;display:block;margin-bottom:8px}
.ft p{margin:0 0 10px}
.ft .bot{border-top:1px solid #ffffff22;margin-top:22px;padding-top:14px;font-size:13px;color:#a9c3c1}
.card,.post,.grid>*{min-width:0}
@media (max-width:980px){.grid{grid-template-columns:minmax(0,1fr)}.side{grid-template-columns:1fr 1fr}.ft .cols{grid-template-columns:1fr 1fr}}
@media (max-width:760px){
body{font-size:16.5px}
.card{padding:20px 16px}
.art h1{font-size:27px}
.art h2{font-size:22px}
.brand b{font-size:21px}
.brand small{display:none}
.hero{grid-template-columns:1fr;padding:24px 18px}
.hero h1{font-size:29px}
.hero-art{display:none}
.side{grid-template-columns:1fr}
.rel ul{columns:1}
.alist{grid-template-columns:1fr}
.ft .cols{grid-template-columns:1fr}
.rub a{font-size:14px;padding:5px 10px}
}
@media (max-width:400px){.allt{padding:5px 11px;font-size:14px}.lead{font-size:17px}.ft .rubs{columns:1}}