/* testw.org v2 - navy frame + light sheet, as the old TestW design */
:root{--navy:#0b3453;--navy2:#123f63;--blue:#176aa2;--blue2:#19649e;--sky:#1681c4;--sheet:#f2f5fa;--card:#fff;--ink:#17223b;--muted:#5a6b7d;--line:#d8e2ee;--ok:#d7f6b6;--okb:#3d9a1f;--hint:#f3f5c8;--hintb:#c9cf63;--yel:#ffde00;--link:#0b5f95}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--navy);color:var(--ink);font:16px/1.6 Arial,Verdana,"Helvetica Neue",sans-serif;overflow-wrap:break-word}
a{color:var(--link)}
a:hover{color:#c0392b}
img{max-width:100%;height:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:#fff;padding:6px 10px;z-index:9}
.w{width:min(1180px,100% - 32px);margin:0 auto}
/* header: not sticky */
.hd{background:var(--navy);color:#fff;border-bottom:6px solid #eceeee}
.hd-in{display:flex;align-items:center;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;padding:14px 0 10px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none}
.brand:hover{color:#fff}
.brand .mark{flex:none;border-radius:9px}
.brand-t{font:700 28px/1 Georgia,"Times New Roman",serif;letter-spacing:.5px}
.brand-t small{font:400 16px Arial,sans-serif;color:#9fc6e6;margin-left:2px}
.tag{margin:0;color:#c9dbea;font-size:14px}
.nav{background:var(--navy2);border-top:1px solid #20507a}
.nav-in{display:flex;flex-wrap:wrap;gap:6px;padding:8px 0}
.nav a{display:block;padding:7px 12px;border-radius:5px;background:var(--blue);color:#fff;text-decoration:none;font-size:15px;line-height:1.25}
.nav a:hover,.nav a[aria-current]{background:var(--yel);color:var(--navy)}
/* sheet */
main{padding:18px 0 28px}
.sheet{background:var(--sheet);border-radius:8px;padding:18px 26px 30px;display:block}
.sheet.has-aside{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px}
.main-col{min-width:0}
.bc{font-size:13px;color:var(--muted);margin:0 0 10px;display:flex;flex-wrap:wrap;gap:4px 6px;background:#e6ebf2;border-radius:6px;padding:6px 10px}
.bc a{color:var(--link);text-decoration:none}
h1{font:700 30px/1.25 Arial,sans-serif;color:var(--navy);margin:8px 0 14px}
h2{font:700 23px/1.3 Arial,sans-serif;color:var(--navy);margin:30px 0 12px}
h3{font:700 19px/1.35 Arial,sans-serif;color:#1d3b57;margin:22px 0 10px}
p,ul,ol{margin:0 0 14px}
li{margin:4px 0}
.lead{font-size:17px}
.meta{font-size:13px;color:var(--muted);margin:-6px 0 14px}
blockquote{margin:16px 0;padding:10px 16px;background:#fff;border-left:4px solid var(--sky)}
.note{background:var(--hint);border:1px solid var(--hintb);border-radius:6px;padding:10px 14px;margin:14px 0}
/* tables */
.tw{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:14px 0 18px;max-width:100%}
.tw table{border-collapse:collapse;width:100%;background:#fff;font-size:15px}
.tw th,.tw td{border:1px solid var(--line);padding:7px 10px;text-align:left;vertical-align:top}
.tw th{background:#d7dae8;color:var(--navy)}
/* hero */
.hero{margin:0 0 18px}
.hero img{display:block;width:100%;border-radius:8px;aspect-ratio:16/9;object-fit:cover;background:#dfe6ef}
.hero figcaption{font-size:12px;color:var(--muted);margin-top:4px}
.pic{margin:14px 0}
.pic img{border-radius:6px;background:#fff}
/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin:14px 0 22px;padding:0;list-style:none}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;margin:0}
.card img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#dfe6ef}
.card .cb{padding:10px 14px 14px}
.card .ct{font-weight:700;color:var(--navy);text-decoration:none;display:block;line-height:1.35}
.card .ct:hover{color:#c0392b}
.card p{margin:6px 0 0;font-size:14px;color:var(--muted)}
.sec{background:#fff;border:1px solid var(--line);border-left:5px solid var(--blue);border-radius:8px;padding:12px 16px}
.tl{list-style:none;padding:0;margin:10px 0 20px;columns:2 320px;column-gap:28px}
.tl li{break-inside:avoid;margin:0 0 7px;padding-left:16px;position:relative}
.tl li:before{content:"";position:absolute;left:2px;top:.62em;width:7px;height:7px;background:var(--sky);border-radius:2px}
.tl .n{color:var(--muted);font-size:13px;white-space:nowrap}
.btns{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 18px}
.btn{display:inline-block;padding:8px 14px;border-radius:6px;background:var(--blue);color:#fff;text-decoration:none;font-size:15px}
.btn:hover{background:var(--navy);color:#fff}
.btn.alt{background:#e6ebf2;color:var(--navy)}
/* questions with answers */
.qa-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:8px 0 14px}
.qa-tg{font:inherit;font-size:15px;padding:8px 14px;border-radius:6px;border:2px solid var(--yel);background:#fffbe0;color:var(--navy);cursor:pointer}
.qa{list-style:none;counter-reset:q;padding:0;margin:0 0 20px}
.qa>li{counter-increment:q;background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 16px;margin:0 0 12px}
.qa .qt{font-weight:700;margin:0 0 8px;color:#10243a}
.qa .qt:before{content:counter(q) ". ";color:var(--blue)}
.qa[data-num] .qt:before{content:none}
.qa .qn{color:var(--blue)}
.op{list-style:none;padding:0;margin:0 0 4px}
.op li{padding:6px 10px 6px 30px;border-radius:6px;margin:4px 0;position:relative;background:#f7f9fc}
.op li:before{content:"";position:absolute;left:10px;top:.85em;width:9px;height:9px;border:2px solid #9aa9b8;border-radius:50%}
.op li.ok{background:var(--ok);font-weight:700}
.op li.ok:before{border-color:var(--okb);background:var(--okb)}
.op li.ok:after{content:" - верный ответ";font-weight:400;font-size:13px;color:#2c6e14}
.hint{background:var(--hint);border:1px solid var(--hintb);border-radius:6px;padding:8px 12px;margin:8px 0 0;font-size:15px}
.qa .more{font-size:14px;margin:6px 0 0}
.qa img{display:block;margin:6px 0 10px;border:1px solid var(--line);border-radius:4px;background:#fff}
.hide-ans .op li.ok{background:#f7f9fc;font-weight:400}
.hide-ans .op li.ok:before{border-color:#9aa9b8;background:none}
.hide-ans .op li.ok:after,.hide-ans .hint{display:none}
.hide-ans .qa>li{cursor:pointer}
.hide-ans .qa>li.show .op li.ok{background:var(--ok);font-weight:700}
.hide-ans .qa>li.show .op li.ok:after{display:inline}
.hide-ans .qa>li.show .hint{display:block}
.answer{background:var(--ok);border-left:5px solid var(--okb);border-radius:6px;padding:10px 14px;margin:12px 0;font-size:17px}
.faq h3{margin-top:16px}
.pager{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0}
.pager a,.pager span{display:inline-block;min-width:38px;text-align:center;padding:6px 10px;border-radius:5px;background:#e6ebf2;text-decoration:none;color:var(--navy)}
.pager span{background:var(--navy);color:#fff}
/* aside */
.aside{min-width:0}
.aside .box{background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 14px;margin:0 0 16px}
.aside .box p.bt{font-weight:700;color:var(--navy);margin:0 0 8px}
.aside ul{list-style:none;padding:0;margin:0}
.aside li{margin:0 0 6px;font-size:15px;line-height:1.35}
/* footer */
.ft{background:var(--navy);color:#c9dbea;font-size:14px;padding:26px 0 18px;border-top:6px solid #eceeee}
.ft a{color:#fff}
.ft .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:24px}
.ft nav a{display:block;margin:0 0 6px;text-decoration:none}
.ft nav a:hover{text-decoration:underline}
.ft-brand{font:700 20px Georgia,serif;color:#fff;margin:0 0 8px}
.ft-h{font-weight:700;color:#fff;margin:0 0 8px}
.ft .bot{border-top:1px solid #20507a;margin-top:16px;padding-top:12px;color:#9fb8cf}
@media(max-width:980px){.sheet.has-aside{grid-template-columns:1fr}.ft .cols{grid-template-columns:1fr 1fr}.ft .cols>div{grid-column:1/-1}}
@media(max-width:640px){.w{width:calc(100% - 20px)}.sheet{padding:14px 12px 22px;border-radius:6px}h1{font-size:24px}h2{font-size:20px}h3{font-size:17px}
.brand-t{font-size:24px}.tag{font-size:13px}.nav a{font-size:14px;padding:7px 10px}.qa>li{padding:10px 12px}.op li{padding-left:28px}.ft .cols{grid-template-columns:1fr}.tl{columns:1}main{padding:10px 0 20px}}
.main-col a,.main-col td,.main-col li{overflow-wrap:anywhere}
.hero img{max-height:480px}
.cards{grid-template-columns:repeat(auto-fill,minmax(min(250px,100%),1fr))}.card{min-width:0}.card img{max-width:100%;height:auto}