:root{--bg:#0a0a0e;--bg2:#101018;--card:#14141e;--card2:#1a1a26;--line:rgba(255,255,255,.08);
--text:#ececf3;--muted:#9c9cb2;--gold:#f0a500;--gold2:#ffc233;--purple:#7c3aed;--purple2:#9f67ff;
--red:#e63946;--radius:18px;--max:1180px;--read:720px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font:400 17px/1.65 Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
/* progress */
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--gold),var(--red));z-index:200;transition:width .08s linear}
/* header */
.hdr{position:sticky;top:0;z-index:100;background:rgba(10,10,14,.82);backdrop-filter:saturate(1.4) blur(14px);
-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;gap:22px;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.6px;font-size:15px;white-space:nowrap}
.logo img{width:30px;height:30px;border-radius:8px}
.logo b{color:var(--gold)}
.logo span{color:var(--muted);font-weight:600;letter-spacing:0}
.nav{display:flex;gap:4px;margin-left:8px}
.nav a{padding:8px 12px;border-radius:10px;color:var(--muted);font-weight:600;font-size:14.5px}
.nav a:hover,.nav a.on{color:var(--text);background:rgba(255,255,255,.05)}
.hdr .sp{flex:1}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font:inherit;font-weight:700;
font-size:14.5px;border-radius:999px;padding:10px 18px;transition:transform .15s,box-shadow .15s,background .15s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn-p{background:var(--purple);color:#fff;box-shadow:0 8px 28px -8px rgba(124,58,237,.7)}
.btn-p:hover{background:var(--purple2)}
.btn-g{background:var(--gold);color:#140e00;box-shadow:0 8px 28px -8px rgba(240,165,0,.6)}
.btn-g:hover{background:var(--gold2)}
.btn-o{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn-o:hover{border-color:rgba(255,255,255,.25)}
.btn-lg{padding:14px 24px;font-size:16px}
/* hero */
.hero{position:relative;padding:64px 0 34px;overflow:hidden}
.hero:before{content:"";position:absolute;inset:-40% -10% auto auto;width:700px;height:700px;
background:radial-gradient(closest-side,rgba(124,58,237,.28),transparent 70%);pointer-events:none}
.hero:after{content:"";position:absolute;left:-200px;top:-80px;width:600px;height:600px;
background:radial-gradient(closest-side,rgba(240,165,0,.13),transparent 70%);pointer-events:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;
color:var(--gold);background:rgba(240,165,0,.08);border:1px solid rgba(240,165,0,.22);padding:6px 12px;border-radius:999px}
.hero h1{font-size:clamp(34px,5.6vw,62px);line-height:1.04;letter-spacing:-1.6px;font-weight:900;margin:18px 0 14px;max-width:820px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--gold),#ff7a3d 55%,var(--red));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:19px;color:var(--muted);max-width:640px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
/* cards */
.sec{padding:34px 0}
.sec-h{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:20px}
.sec-h h2{font-size:24px;font-weight:850;letter-spacing:-.4px}
.sec-h a{color:var(--muted);font-weight:600;font-size:14.5px}
.feat{display:grid;grid-template-columns:1.25fr 1fr;gap:0;background:var(--card);border:1px solid var(--line);border-radius:24px;overflow:hidden;
transition:border-color .2s,transform .2s}
.feat:hover{border-color:rgba(240,165,0,.35);transform:translateY(-2px)}
.feat .img{position:relative;aspect-ratio:16/9;background:#000}
.feat .img img{width:100%;height:100%;object-fit:cover}
.feat .txt{padding:34px;display:flex;flex-direction:column;justify-content:center;gap:12px}
.feat h3{font-size:clamp(24px,2.6vw,34px);line-height:1.12;letter-spacing:-.8px;font-weight:880}
.feat p{color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;
transition:border-color .2s,transform .2s,background .2s}
.card:hover{border-color:rgba(240,165,0,.32);transform:translateY(-3px);background:var(--card2)}
.card .img{position:relative;aspect-ratio:16/9;background:#000;overflow:hidden}
.card .img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .img img{transform:scale(1.04)}
.card .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.card h3{font-size:19px;line-height:1.28;letter-spacing:-.3px;font-weight:800}
.card p{color:var(--muted);font-size:15px;line-height:1.55}
.chip{display:inline-flex;align-self:flex-start;align-items:center;font-size:11.5px;font-weight:800;letter-spacing:1px;text-transform:uppercase;
color:var(--gold);background:rgba(240,165,0,.1);border-radius:999px;padding:4px 10px}
.meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13.5px;margin-top:auto}
.meta i{width:3px;height:3px;border-radius:50%;background:var(--muted);display:inline-block}
.play{position:absolute;right:12px;bottom:12px;background:rgba(0,0,0,.72);border-radius:999px;padding:5px 10px;font-size:12px;font-weight:700;
display:flex;gap:6px;align-items:center}
.play:before{content:"";border-left:8px solid #fff;border-top:5px solid transparent;border-bottom:5px solid transparent}
/* app band */
.app{position:relative;display:grid;grid-template-columns:1.4fr auto;gap:36px;align-items:center;padding:38px;border-radius:26px;overflow:hidden;
background:linear-gradient(135deg,#1b1030,#120c1e 55%,#1a1406);border:1px solid rgba(124,58,237,.35)}
.app:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,255,255,.025) 0 2px,transparent 2px 14px);pointer-events:none}
.app h2{font-size:clamp(24px,3vw,34px);line-height:1.1;letter-spacing:-.8px;font-weight:900;margin:12px 0 10px}
.app p{color:#c9c3dc;max-width:560px}
.app .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.qr{position:relative;background:#fff;border-radius:18px;padding:14px;width:196px;text-align:center;color:#111;font-size:12.5px;font-weight:700;
box-shadow:0 20px 50px -20px rgba(0,0,0,.8)}
.qr img{width:168px;height:168px;margin:0 auto 8px}
.yt{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 30px;border-radius:22px;background:var(--card);border:1px solid var(--line)}
.yt h3{font-size:20px;font-weight:850}
.yt p{color:var(--muted);font-size:15px}
/* article */
.art-top{padding:40px 0 18px}
.crumb{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:13.5px;font-weight:600;margin-bottom:18px}
.crumb a:hover{color:var(--text)}
.art-top h1{font-size:clamp(30px,4.6vw,52px);line-height:1.08;letter-spacing:-1.3px;font-weight:900;max-width:900px;margin:12px 0 16px}
.art-top .lead{font-size:clamp(18px,2vw,21px);color:#c3c3d4;max-width:760px;line-height:1.55}
.byline{display:flex;align-items:center;gap:12px;margin-top:22px;color:var(--muted);font-size:14px}
.byline img{width:40px;height:40px;border-radius:50%}
.byline b{color:var(--text);display:block;font-size:14.5px}
.media{margin:26px 0 8px;border-radius:22px;overflow:hidden;border:1px solid var(--line);background:#000;aspect-ratio:16/9;position:relative}
.media img{width:100%;height:100%;object-fit:cover}
.lyt{position:relative;width:100%;height:100%;cursor:pointer;border:0;padding:0;background:#000;display:block}
.lyt img{width:100%;height:100%;object-fit:cover;opacity:.88;transition:opacity .2s}
.lyt:hover img{opacity:1}
.lyt .pb{position:absolute;inset:0;margin:auto;width:78px;height:54px;border-radius:14px;background:#e02020;display:grid;place-items:center;
box-shadow:0 10px 30px rgba(0,0,0,.5)}
.lyt .pb:before{content:"";border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:5px}
.lyt .cap{position:absolute;left:16px;bottom:14px;right:16px;font-size:14px;font-weight:700;text-shadow:0 2px 8px #000}
.media iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.layout{display:grid;grid-template-columns:minmax(0,var(--read)) 300px;gap:56px;justify-content:space-between;padding:26px 0 30px}
.prose{font-size:18.5px;line-height:1.78;color:#dcdce6}
.prose>*+*{margin-top:1.1em}
.prose h2{font-size:clamp(24px,2.6vw,30px);line-height:1.2;letter-spacing:-.6px;color:var(--text);font-weight:880;margin-top:1.9em;scroll-margin-top:90px;
display:flex;gap:14px;align-items:baseline}
.prose h2 .n{flex:none;font-size:13px;font-weight:900;color:#140e00;background:var(--gold);border-radius:8px;padding:3px 8px;transform:translateY(-4px)}
.prose h3{font-size:21px;color:var(--text);font-weight:800;margin-top:1.5em}
.prose a{color:var(--gold2);text-decoration:underline;text-decoration-color:rgba(240,165,0,.4);text-underline-offset:3px}
.prose a:hover{text-decoration-color:var(--gold)}
.prose strong{color:#fff}
.prose ul,.prose ol{padding-left:1.3em}
.prose li+li{margin-top:.45em}
.prose li::marker{color:var(--gold)}
.prose blockquote{position:relative;background:var(--card);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:14px;
padding:18px 22px 18px 24px;font-size:20px;line-height:1.55;color:#fff;font-weight:600}
.prose blockquote cite{display:block;margin-top:8px;font-size:14px;color:var(--muted);font-style:normal;font-weight:600}
.prose table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:16px;-webkit-overflow-scrolling:touch}
.prose .btn{text-decoration:none}.prose .btn-g{color:#140e00}.prose .btn-p{color:#fff}.prose .btn-o{color:var(--text)}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left;vertical-align:top}
.prose th{color:var(--gold);font-size:13px;letter-spacing:.6px;text-transform:uppercase}
.keys{background:linear-gradient(135deg,rgba(240,165,0,.08),rgba(124,58,237,.08));border:1px solid rgba(240,165,0,.25);border-radius:18px;padding:22px 24px}
.keys h2,.keys .t{font-size:13px!important;letter-spacing:1.4px;text-transform:uppercase;color:var(--gold)!important;font-weight:900;margin:0 0 10px!important}
.keys ul{padding-left:1.1em}
.keys li{font-size:17px}
.mid{display:flex;gap:18px;align-items:center;background:var(--card);border:1px solid rgba(124,58,237,.35);border-radius:18px;padding:20px 22px;margin:2em 0}
.mid .ic{flex:none;width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--purple),#4c1d95);display:grid;place-items:center;font-size:24px}
.mid b{display:block;color:#fff;font-size:17px}
.mid span{color:var(--muted);font-size:15px}
.mid .btn{margin-left:auto}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{cursor:pointer;list-style:none;font-weight:750;font-size:18px;color:var(--text);display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--gold);font-size:22px;line-height:1;transition:transform .2s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq details p{margin-top:10px;color:#cfcfdb;font-size:17px}
.side{position:sticky;top:90px;align-self:start;display:flex;flex-direction:column;gap:18px}
.toc{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px}
.toc .t{font-size:12px;letter-spacing:1.4px;text-transform:uppercase;color:var(--muted);font-weight:800;margin-bottom:10px}
.toc a{display:block;padding:7px 10px;border-radius:9px;color:var(--muted);font-size:14.5px;line-height:1.35;font-weight:600;border-left:2px solid transparent}
.toc a:hover{color:var(--text)}
.toc a.on{color:var(--text);background:rgba(240,165,0,.08);border-left-color:var(--gold)}
.mini{background:linear-gradient(160deg,#1b1030,#14141e);border:1px solid rgba(124,58,237,.35);border-radius:18px;padding:18px;text-align:center}
.mini img{width:132px;height:132px;background:#fff;border-radius:12px;padding:8px;margin:10px auto}
.mini b{display:block;font-size:16px}
.mini span{display:block;color:var(--muted);font-size:13.5px;margin-top:4px}
.share{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:34px 0 0;padding-top:22px;border-top:1px solid var(--line)}
.share span{color:var(--muted);font-weight:700;font-size:14px;margin-right:4px}
.share a,.share button{font:inherit;font-size:14px;font-weight:700;color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:999px;padding:8px 14px;cursor:pointer}
.share a:hover,.share button:hover{border-color:rgba(255,255,255,.25)}
.endcta{margin:40px 0 10px;text-align:center;padding:40px 26px;border-radius:24px;background:radial-gradient(120% 140% at 50% 0%,rgba(124,58,237,.35),transparent 60%),var(--card);
border:1px solid rgba(124,58,237,.35)}
.endcta h2{font-size:clamp(24px,3vw,32px);letter-spacing:-.6px;font-weight:900;margin-bottom:10px}
.endcta p{color:var(--muted);max-width:520px;margin:0 auto 20px}
.endcta .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
/* footer */
.ftr{margin-top:60px;border-top:1px solid var(--line);padding:40px 0 60px;color:var(--muted);font-size:14.5px}
.ftr .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.ftr b{color:var(--text);display:block;margin-bottom:10px}
.ftr a{display:block;padding:3px 0}
.ftr a.btn{display:inline-flex;padding:10px 18px}
.ftr a:hover{color:var(--text)}
.ftr .legal{grid-column:1/-1;border-top:1px solid var(--line);padding-top:20px;font-size:13px}
/* modal */
dialog{margin:auto;border:1px solid rgba(124,58,237,.4);border-radius:24px;background:#12121a;color:var(--text);padding:30px;max-width:380px;width:calc(100% - 32px);text-align:center}
dialog::backdrop{background:rgba(0,0,0,.7);backdrop-filter:blur(6px)}
dialog img{width:220px;height:220px;background:#fff;padding:12px;border-radius:18px;margin:16px auto}
dialog h3{font-size:22px;font-weight:900}
dialog p{color:var(--muted);font-size:15px}
dialog .x{position:absolute;right:14px;top:10px;background:none;border:0;color:var(--muted);font-size:28px;cursor:pointer}
.cat-h{padding:48px 0 10px}
.cat-h h1{font-size:clamp(30px,4vw,46px);font-weight:900;letter-spacing:-1px;margin:10px 0 8px}
.cat-h p{color:var(--muted);max-width:640px}
/* responsive */
@media (max-width:1020px){.layout{grid-template-columns:minmax(0,1fr)}.side{position:static}.toc{display:none}.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:820px){.nav{display:none}.feat{grid-template-columns:1fr}.feat .txt{padding:22px}.app{grid-template-columns:1fr;padding:26px}
.qr{display:none}.ftr .wrap{grid-template-columns:1fr}.yt{flex-direction:column;align-items:flex-start}.hdr .btn-o{display:none}}
@media (max-width:600px){body{font-size:16.5px}.grid{grid-template-columns:1fr}.hero{padding:44px 0 20px}.prose{font-size:17.5px}
.mid{flex-direction:column;align-items:flex-start}.mid .btn{margin-left:0}.logo span{display:none}.side .mini{display:none}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}