:root{--bg:#f6f7fb;--card:#fff;--ink:#14171f;--mut:#5b6474;--line:#e3e6ee;--acc:#0b5cff;--acc2:#0a47c4;--ok:#0f8a4b;--warn:#b36b00;--r:12px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
h1{font-size:clamp(26px,4vw,36px);line-height:1.2;margin:.4em 0 .4em}
h2{font-size:clamp(20px,2.6vw,25px);line-height:1.3;margin:1.6em 0 .6em}
h3{font-size:19px;margin:1.3em 0 .5em}
code,kbd{font:14px/1.4 ui-monospace,Consolas,monospace;background:#eef1f7;border-radius:5px;padding:1px 5px}
kbd{border:1px solid var(--line);box-shadow:0 1px 0 var(--line)}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
.muted{color:var(--mut)}.small{font-size:14px}
.lead{font-size:18px;color:#323a48;max-width:820px}
/* header */
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top-in{display:flex;align-items:center;gap:16px;height:60px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:20px;color:var(--ink);white-space:nowrap}
.logo:hover{text-decoration:none}
.search{flex:1;display:flex;max-width:520px;margin-left:auto}
.search input{flex:1;min-width:0;border:1px solid var(--line);border-right:0;border-radius:10px 0 0 10px;padding:9px 12px;font:inherit;background:var(--bg)}
.search button{border:1px solid var(--acc);background:var(--acc);color:#fff;border-radius:0 10px 10px 0;padding:0 14px;font:inherit;cursor:pointer}
.search-big{max-width:640px;margin:16px 0 24px}
.burger{display:none;border:0;background:none;font-size:24px;cursor:pointer}
.nav{border-top:1px solid var(--line)}
.nav-in{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.nav a{padding:10px 12px;color:#2b3240;white-space:nowrap;font-size:15px;border-bottom:2px solid transparent}
.nav a:hover,.nav a.on{color:var(--acc);text-decoration:none;border-bottom-color:var(--acc)}
.nav a.hl{color:var(--acc);font-weight:700}
.crumbs{font-size:14px;color:var(--mut);padding-top:14px;display:flex;flex-wrap:wrap;gap:6px}
.crumbs a{color:var(--mut)}
main{min-height:60vh;padding-bottom:40px}
/* hero */
.hero{background:linear-gradient(135deg,#0b5cff 0%,#4d2bd6 100%);color:#fff;padding:44px 0 40px;margin-bottom:10px}
.hero .lead{color:#e8ecff}
.hero-btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.btn{display:inline-block;background:var(--acc);color:#fff;border-radius:10px;padding:12px 20px;font-weight:600;border:0;cursor:pointer;font:inherit;font-weight:600}
.btn:hover{background:var(--acc2);text-decoration:none}
.hero .btn{background:#fff;color:var(--acc)}.hero .btn-2{background:transparent;color:#fff;border:1px solid #fff}
.block{margin-top:28px}
.block-h{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.block-h h2{margin:.8em 0 .6em}.block-h h2 a{color:inherit}
/* grids */
.grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.card-a{display:grid;grid-template-columns:48px 1fr;grid-template-rows:auto auto auto;column-gap:12px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px;color:var(--ink);height:100%;transition:border-color .15s,box-shadow .15s}
.card-a:hover{text-decoration:none;border-color:#b9c7ea;box-shadow:0 4px 14px rgba(20,40,90,.07)}
.ico{grid-row:1/4;width:48px;height:48px;border-radius:12px;object-fit:contain}
.ico-l{display:flex;align-items:center;justify-content:center;font-weight:800;font-size:22px;color:#fff}
.ico-xl{width:72px;height:72px;font-size:32px;border-radius:16px;flex:none}
.c0{background:#0b5cff}.c1{background:#7a3cf0}.c2{background:#0f8a4b}.c3{background:#d1452f}.c4{background:#c77d00}.c5{background:#0b8fa8}.c6{background:#c2307a}.c7{background:#3d4a5c}
.card-t{font-weight:700;line-height:1.3}
.card-d{font-size:14px;color:var(--mut);line-height:1.45;margin:3px 0 6px}
.card-m{font-size:13px;color:var(--mut)}
.lic{font-weight:600}.lic-free,.lic-opensource{color:var(--ok)}.lic-trial,.lic-paid{color:var(--warn)}
.cats{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.cats a{display:grid;grid-template-columns:36px 1fr;column-gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;color:var(--ink)}
.cats a:hover{text-decoration:none;border-color:#b9c7ea}
.cats img{grid-row:1/3}.cats span{font-weight:700}.cats small{color:var(--mut)}
.arts{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:14px}
.art{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:10px}
.art img{border-radius:8px;aspect-ratio:16/9;object-fit:cover;width:100%}
.art-t{font-weight:700;font-size:17px;line-height:1.35;color:var(--ink)}
.art p{margin:.4em 0;color:#3a4352;font-size:15px}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{background:#fff;border:1px solid var(--line);border-radius:20px;padding:6px 14px;color:#2b3240;font-size:14px}
.pager{display:flex;flex-wrap:wrap;gap:6px;margin:24px 0}
.pager a,.pager .cur{min-width:38px;text-align:center;padding:7px 10px;border-radius:8px;border:1px solid var(--line);background:#fff}
.pager .cur{background:var(--acc);color:#fff;border-color:var(--acc)}
.note{background:#fff8e6;border:1px solid #f0d58a;border-radius:var(--r);padding:12px 16px;margin:12px 0 20px;font-size:15px}
.devs{columns:3 220px;padding-left:18px}.devs li{margin:4px 0}
/* program */
.prog-h{display:flex;gap:18px;align-items:center;margin-top:10px}
.prog-h h1{margin:0}.prog-h .lead{margin:.4em 0 0}
.ver{font-size:.6em;color:var(--mut);font-weight:500}
.prog-grid{display:grid;grid-template-columns:1fr 320px;gap:28px;margin-top:22px}
.dl-box{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;display:flex;flex-direction:column;gap:10px}
.btn-dl{font-size:18px;text-align:center;background:var(--ok)}.btn-dl:hover{background:#0b7340}
.feat{padding-left:20px}.feat li{margin:4px 0}
.steps li{margin:6px 0}
.prog-side{display:flex;flex-direction:column;gap:12px}
.specs{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;font-size:15px}
.specs th,.specs td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.specs th{color:var(--mut);font-weight:500;width:42%}
.src{display:block;text-align:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;font-weight:600}
.side-h{font-weight:700;margin-top:8px}
.side-list{margin:0;padding-left:18px;font-size:15px}
/* article */
.post{max-width:860px}
.post-meta{margin-bottom:16px}
.post-img{border-radius:var(--r);margin-bottom:16px}
.toc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 18px;margin:12px 0 18px}
.toc-h{font-weight:700}.toc ol{margin:6px 0;padding-left:20px}
.prose{font-size:17px}
.prose p,.prose li{max-width:78ch}
.prose img,.prose figure{margin:14px 0}
.prose figure img{border:1px solid var(--line);border-radius:10px;background:#fff}
.prose figcaption{font-size:14px;color:var(--mut)}
.prose table{border-collapse:collapse;width:100%;background:#fff;font-size:15px;margin:12px 0}
.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.prose pre{background:#141a26;color:#e7ecf5;padding:14px;border-radius:10px;overflow-x:auto}
.prose pre code{background:none;color:inherit;padding:0}
.prose blockquote{border-left:4px solid var(--acc);margin:14px 0;padding:6px 16px;background:#fff}
.seo-text{margin-top:32px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:8px 24px}
.page{max-width:860px}
/* footer */
.foot{background:#11151d;color:#c3c9d6;margin-top:40px;padding:36px 0 20px;font-size:15px}
.foot a{color:#c3c9d6}.foot a:hover{color:#fff}
.foot-in{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.foot-h{color:#fff;font-weight:700;margin-bottom:8px}
.foot ul{list-style:none;padding:0;margin:0}.foot li{margin:5px 0}
.foot .muted{color:#8790a2}
.copy{border-top:1px solid #262c38;margin-top:24px;padding-top:14px;color:#8790a2;font-size:14px}
@media (max-width:900px){
  .prog-grid{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .top-in{flex-wrap:wrap;height:auto;padding-top:10px;padding-bottom:10px}
  .search{order:3;flex-basis:100%;max-width:none}
  .burger{display:block;margin-left:auto}
  .nav{display:none}.menu-open .nav{display:block}
  .nav-in{flex-direction:column}
  .arts{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr}
  .prog-h{align-items:flex-start}
  .hero{padding:30px 0}
}
.sec-top{margin:0 0 22px}
.sec-top>*:first-child{margin-top:0}