:root{--bg:#0e1014;--surface:#161a22;--surface2:#1b2029;--line:#242a36;
--text:#e7e9ee;--muted:#98a1b3;--accent:#5b9dff;--radius:14px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);line-height:1.6;
font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
img{max-width:100%}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
/* header */
.site-head{position:sticky;top:0;z-index:20;background:rgba(14,16,20,.86);
backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;min-height:62px;gap:16px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.01em;
color:#fff;font-size:17px}
.logo:hover{text-decoration:none}
.logo-mark{flex:none}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{color:#c7cdd8;padding:8px 13px;border-radius:9px;font-size:14.5px}
.nav a:hover{background:var(--surface2);color:#fff;text-decoration:none}
.nav a.on{color:#fff;background:var(--surface2)}
/* hero */
.hero{position:relative;border-radius:18px;overflow:hidden;margin-top:26px;
border:1px solid var(--line)}
.hero .bg{width:100%;height:440px;object-fit:cover;display:block}
.hero .veil{position:absolute;inset:0;
background:linear-gradient(180deg,rgba(10,12,16,.12) 0%,rgba(10,12,16,.44) 55%,rgba(10,12,16,.84) 100%)}
.hero .inner{position:absolute;inset:0;display:flex;flex-direction:column;
justify-content:flex-end;padding:34px}
.kicker{display:inline-block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
color:#bcd2f5;background:rgba(20,28,44,.55);border:1px solid rgba(91,157,255,.35);
padding:5px 10px;border-radius:999px;width:max-content;margin-bottom:12px}
.hero h1{margin:0 0 8px;font-size:clamp(28px,4.2vw,44px);line-height:1.15;color:#fff;max-width:640px}
.hero p{margin:0 0 18px;color:#d6dbe6;max-width:560px;font-size:17px}
.btn{display:inline-block;background:var(--accent);color:#08111f;font-weight:650;
padding:11px 18px;border-radius:10px;font-size:15px}
.btn:hover{text-decoration:none;filter:brightness(1.07)}
.btn.ghost{background:rgba(18,23,33,.6);border:1px solid #3a4252;color:#e9edf4}
.hero .row{display:flex;gap:12px;flex-wrap:wrap}
/* sections */
section{margin:44px 0}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:14px}
h2{font-size:23px;margin:0 0 4px;letter-spacing:-.01em}
.sub{color:var(--muted);margin:0 0 18px;font-size:15px}
.sec-head .more{font-size:14px;white-space:nowrap}
/* grid & cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(272px,1fr));gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
overflow:hidden;color:inherit;display:block;transition:transform .16s ease,border-color .16s ease}
.card:hover{transform:translateY(-3px);border-color:#39435a;text-decoration:none}
.card img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;display:block;background:#0a0c10}
.card .body{padding:12px 14px 14px}
.card h3{margin:0 0 3px;font-size:15.5px;color:#f0f2f7;font-weight:600}
.card .cat{font-size:12px;color:#8d97a8;text-transform:uppercase;letter-spacing:.07em}
.cattile{position:relative;border-radius:var(--radius);overflow:hidden;display:block;
border:1px solid var(--line)}
.cattile img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;display:block;
transition:transform .25s ease}
.cattile:hover img{transform:scale(1.04)}
.cattile .cap{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
padding:16px;background:linear-gradient(180deg,rgba(8,10,14,0) 40%,rgba(8,10,14,.82) 100%)}
.cattile .cap b{color:#fff;font-size:17px}
.cattile .cap span{color:#c3cad6;font-size:13px}
/* detail page */
.crumbs{font-size:13.5px;color:#8d97a8;margin:22px 0 14px}
.crumbs a{color:#aab3c2}
.detail{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:26px;align-items:start}
.preview{margin:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
background:#0a0c10}
.preview img{width:100%;height:auto;display:block;cursor:zoom-in}
.meta{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
padding:20px}
.meta h1{font-size:24px;margin:0 0 4px;line-height:1.25}
.meta .cat-line{font-size:13px;color:#8d97a8;text-transform:uppercase;letter-spacing:.07em;margin-bottom:14px}
.meta dl{margin:14px 0;font-size:14.5px}
.meta dl div{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px solid var(--line)}
.meta dl div:last-child{border-bottom:0}
.meta dt{color:var(--muted);margin:0}
.meta dd{margin:0;color:#e9edf4;text-align:right}
.dl-btn{display:flex;justify-content:space-between;align-items:baseline;gap:10px;
background:var(--surface2);border:1px solid #2c3547;border-radius:11px;
padding:12px 14px;margin:10px 0;color:inherit;font-size:15px}
.dl-btn:hover{border-color:var(--accent);text-decoration:none}
.dl-btn b{font-weight:650}
.dl-btn .res{color:var(--muted);font-size:12.5px;display:block}
.dl-btn .size{color:var(--accent);font-size:13.5px;white-space:nowrap}
.note{font-size:13px;color:var(--muted);margin-top:12px}
.note a{color:#aab3c2}
/* prose pages */
.prose{max-width:760px;padding:34px 0 8px}
.prose h1{font-size:32px;margin:0 0 6px;letter-spacing:-.01em}
.prose .lead{color:var(--muted);font-size:17px;margin:0 0 24px}
.prose p{margin:0 0 16px}
.prose h2{font-size:20px;margin:28px 0 10px}
.prose ul{margin:0 0 16px;padding-left:22px}
.prose li{margin:7px 0}
.prose .mail{font-weight:600}
/* 404 */
.err{padding:90px 0 60px;text-align:center}
.err .code{font-size:88px;font-weight:750;color:#3d4658;line-height:1}
.err h1{font-size:26px;margin:12px 0 8px}
.err p{color:var(--muted);margin:0 0 22px}
/* footer */
footer.site{margin-top:64px;border-top:1px solid var(--line);padding:34px 0 40px;
color:#8d97a8;font-size:14px}
.fcols{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between}
.fcols h4{color:#dfe3ea;font-size:14px;margin:0 0 10px;font-weight:650}
.fcols ul{list-style:none;margin:0;padding:0}
.fcols li{margin:6px 0}
.fcols a{color:#a7b0c0}
.fbrand{max-width:300px}
.fbrand .logo{font-size:16px;color:#fff}
.fbrand p{margin:10px 0 0;font-size:13.5px}
.fbottom{margin-top:26px;padding-top:18px;border-top:1px solid var(--line);
display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px}
/* lightbox */
.lightbox{position:fixed;inset:0;z-index:60;display:none;align-items:center;justify-content:center;
background:rgba(4,6,10,.93);cursor:zoom-out;padding:20px}
.lightbox.on{display:flex}
.lightbox img{max-width:96vw;max-height:92vh;border-radius:10px}
.lightbox .lb-close{position:absolute;top:18px;right:18px;cursor:pointer;
background:rgba(20,26,36,.88);border:1px solid #3a4252;color:#e9edf4;
font:600 14px/1 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
padding:11px 16px;border-radius:10px}
.lightbox .lb-close:hover{border-color:var(--accent);color:#fff}
@media (max-width:920px){
  .detail{grid-template-columns:1fr}
  .hero .bg{height:340px}
}
@media (max-width:560px){
  .site-head .wrap{flex-direction:column;align-items:flex-start;padding-top:10px;padding-bottom:10px}
  .hero .inner{padding:22px}
  .wrap{padding:0 14px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}