:root{--teal:#0f6f70;--teal2:#0b5455;--blue:#1374a5;--mint:#39a989;--ink:#1f2933;--mut:#5f6b76;--bg:#f5f8f8;--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/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;overflow-wrap:break-word}
a{color:var(--blue);text-underline-offset:.15em}
a:hover{color:var(--teal)}
img{max-width:100%;height:auto}
.w{width:min(1120px,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}
.hd{background:var(--paper);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);min-width:0}
.brand b{display:block;font-size:24px;line-height:1.1;color:var(--teal2);font-family:Georgia,"Times New Roman",serif}
.brand small{display:block;font-size:13px;color:var(--mut)}
.logo{flex:none}
.smap{flex:none;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:15px;text-decoration:none;color:var(--teal2);background:var(--soft)}
.nav{display:flex;flex-wrap:wrap;gap:6px;padding:0 0 12px}
.nav a{border:1px solid var(--line);border-radius:999px;padding:4px 11px;font-size:14.5px;line-height:1.4;text-decoration:none;color:var(--ink);background:#fff}
.nav a:hover,.nav a[aria-current]{background:var(--teal);border-color:var(--teal);color:#fff}
.menu{display:none}
.menu summary{cursor:pointer;list-style:none;font-weight:600;color:var(--teal2);padding:8px 16px;border-top:1px solid var(--line)}
.menu summary::-webkit-details-marker{display:none}
.menu summary::after{content:" +";}
.menu[open] summary::after{content:" -"}
.menu .nav{padding-top:4px}
main{padding:20px 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)}
h1{font-family:Georgia,"Times New Roman",serif;font-size:32px;line-height:1.22;margin:4px 0 12px;color:var(--teal2)}
h2{font-family:Georgia,"Times New Roman",serif;font-size:24px;line-height:1.3;margin:30px 0 12px;color:var(--teal2)}
h3{font-size:19px;line-height:1.35;margin:22px 0 8px}
.art{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:26px 30px}
.meta{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:14px;color:var(--mut);margin-bottom:14px}
.lead p{font-size:18px;color:#34404a;margin:0 0 12px}
.cover{margin:0 0 18px}
.cover img{display:block;width:100%;aspect-ratio:1200/630;object-fit:cover;border-radius:12px;background:var(--soft)}
.toc{background:var(--soft);border-radius:12px;padding:10px 16px;margin:14px 0 18px}
.toc summary{cursor:pointer;font-weight:600;color:var(--teal2)}
.toc ol{margin:8px 0 4px;padding-left:22px;max-height:420px;overflow-y:auto}
.toc li{margin:3px 0;font-size:15.5px}
.post p{margin:0 0 12px}
.post ul,.post ol{padding-left:22px}
.post img{vertical-align:middle;margin:2px 0}
.post blockquote{margin:14px 0;padding:8px 16px;border-left:4px solid var(--mint);background:var(--soft)}
.tw{overflow-x:auto;max-width:100%;margin:14px 0;-webkit-overflow-scrolling:touch}
.tw table{border-collapse:collapse;min-width:60%;font-size:15.5px}
.tw td,.tw th{border:1px solid var(--line);padding:6px 10px;vertical-align:top;text-align:left}
.tw th{background:var(--soft)}
.keyp{background:#f2faf7;border:1px solid #cfe9df;border-radius:12px;padding:4px 20px 8px;margin:18px 0}
.keyp h2{margin-top:14px}
.faq{margin-top:28px;border-top:1px dashed var(--line)}
.rel{margin-top:22px}
.cards{list-style:none;padding:0;margin:12px 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.cards li{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--mint);border-radius:12px;padding:12px 16px}
.cards li>a{font-weight:600;text-decoration:none;color:var(--teal2);line-height:1.35}
.cards li>a:hover{text-decoration:underline}
.cards p{margin:6px 0 0;font-size:14.5px;color:var(--mut);line-height:1.5}
.cards.sm li{padding:10px 14px}
.badge{display:inline-block;margin-left:8px;font-size:12px;background:var(--mint);color:#fff;border-radius:999px;padding:1px 8px;vertical-align:2px}
.allr{font-size:15px}
.rubs{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.rub{background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--c,var(--teal));border-radius:12px;padding:12px 18px}
.rub h3{margin:6px 0}
.rub h3 a{text-decoration:none;color:var(--ink)}
.rub p{font-size:14.5px;color:var(--mut);margin:0 0 6px}
.rub ul{padding-left:18px;margin:6px 0;font-size:15px}
.hub{columns:2;column-gap:28px;padding-left:18px}
.hub li{break-inside:avoid;margin-bottom:5px}
.doc .post h2{font-size:21px}
.mail{font-size:22px;font-weight:600}
.ft{background:#123c3d;color:#cfe2e0;margin-top:20px;font-size:15px}
.ft a{color:#fff}
.ft .cols{display:grid;grid-template-columns:1.2fr 2fr 1.2fr;gap:28px;padding:30px 0 18px}
.ft b{display:block;color:#fff;margin-bottom:8px;font-size:16px}
.ft nav a{display:block;margin:3px 0}
.fcats div{columns:2;column-gap:20px}
.ft .bot{border-top:1px solid #ffffff26;padding:14px 0 22px;font-size:13.5px;color:#a9c4c1}
@media (max-width:860px){.ft .cols{grid-template-columns:1fr 1fr}.ft .cols>div:first-child{grid-column:1/-1}}
@media (max-width:760px){
 .navd{display:none}.menu{display:block}
 body{font-size:16.5px}
 h1{font-size:26px}h2{font-size:21px}
 .art{padding:18px 16px;border-radius:12px}
 .w{width:min(1120px,100% - 24px)}
 .lead p{font-size:17px}
 .hub{columns:1}
 .brand b{font-size:21px}
}
@media (max-width:520px){.ft .cols{grid-template-columns:1fr}.smap{font-size:13.5px;padding:5px 10px}.brand small{display:none}.cards,.rubs{grid-template-columns:1fr}}
.note{background:#fff8e6;border:1px solid #f1dfaa;border-radius:10px;padding:10px 14px}
.post a,.post td,.post li,.post p{overflow-wrap:anywhere}
.cards li .th{float:right;width:96px;height:72px;object-fit:contain;margin:0 0 6px 12px;border-radius:8px;background:#fff;border:1px solid var(--line)}
.cards li::after{content:"";display:block;clear:both}
.cover img{aspect-ratio:16/9}
.credit{font-size:12.5px;color:var(--mut);margin-top:6px;text-align:right}
.credit a{color:var(--mut)}