@font-face{font-family:'Exo 2';font-style:italic;font-weight:800 900;font-display:swap;src:url(/free-assets/exo2-italic-latin.woff2) format('woff2')}
:root{--bg:#03050C;--panel:#0A1026;--line:#1C2B5C;--line2:#16224A;--blue:#2F6BFF;--blue2:#4D8BFF;--ice:#9EC0FF;--text:#E8F0FF;--muted:#9AA8CC;--dim:#7586B4;--ok:#3DFFB5;--warn:#FFB547;--zh:"PingFang SC","Noto Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;--en:'Exo 2',var(--zh);--mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
*{box-sizing:border-box}
html{color-scheme:dark}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--zh);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:#7FB2FF}a:hover{color:#fff}
img{max-width:100%}
.en{font-family:var(--en)}.mono{font-family:var(--mono)}
.chrome,.shine{background:linear-gradient(176deg,#fff 0%,#E3ECFF 34%,#8EA3D6 50%,#F4F8FF 66%,#A9BCE8 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.shine{background:linear-gradient(110deg,#fff 0%,#E3ECFF 30%,#8EA3D6 44%,#fff 50%,#8EA3D6 56%,#F4F8FF 70%,#A9BCE8 100%);background-size:260% 100%;-webkit-background-clip:text;background-clip:text;animation:sh 6s ease-in-out infinite}
@keyframes sh{0%,55%{background-position:100% 0}100%{background-position:0 0}}
.glow{filter:drop-shadow(0 0 14px rgba(70,130,255,.65)) drop-shadow(0 0 2px rgba(200,225,255,.8))}
.textglow{text-shadow:0 0 18px rgba(90,150,255,.55)}
.wrap{max-width:1360px;margin:0 auto}
.grid-bg{background-image:linear-gradient(rgba(60,110,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(60,110,255,.07) 1px,transparent 1px);background-size:56px 56px}
.hud{position:relative;border:1px solid var(--line);background:rgba(10,16,38,.72)}
.hud::before,.hud::after{content:"";position:absolute;width:14px;height:14px;border-color:#5C93FF;border-style:solid}
.hud::before{top:-1px;left:-1px;border-width:2px 0 0 2px}
.hud::after{bottom:-1px;right:-1px;border-width:0 2px 2px 0}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:10px;background:var(--blue);color:#fff;text-decoration:none;font-weight:700;box-shadow:0 0 18px rgba(47,107,255,.55);transition:box-shadow .2s,transform .2s}
.btn:hover{color:#fff;box-shadow:0 0 32px rgba(70,130,255,.8);transform:translateY(-1px)}
.navlink{color:var(--muted);text-decoration:none}.navlink:hover{color:#fff}
.kicker{font-family:var(--en);font-size:12px;letter-spacing:6px;color:var(--blue2);font-weight:800;font-style:italic}
h2.sec{margin:0;font-size:46px;font-weight:900;letter-spacing:4px}
.cursor{display:inline-block;width:9px;height:16px;background:var(--blue2);vertical-align:-3px;animation:bl 1s steps(1) infinite}
@keyframes bl{50%{opacity:0}}

/* header */
.top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:18px 24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{width:38px;height:38px;filter:drop-shadow(0 0 10px rgba(77,125,255,.6))}
.brand b{font-family:var(--en);font-style:italic;font-weight:900;font-size:24px}
.top nav{display:flex;flex-wrap:wrap;gap:30px;font-size:14px;letter-spacing:1px}
.top .acts{display:flex;align-items:center;gap:14px;font-size:14px}
.top .btn{padding:10px 18px;font-size:14px}

/* hero */
.hero-pad{padding:8px 24px 72px}
.hero{position:relative;min-height:780px;border:1px solid var(--line2);border-radius:20px;background:#050916;overflow:hidden;display:flex}
.kv-wrap{position:absolute;top:-2%;right:-3%;width:115%;aspect-ratio:16/9;transform-origin:60% 28%;animation:kb 22s ease-in-out infinite alternate}
.kv-wrap img{display:block;width:100%;height:100%;object-fit:cover}
@keyframes kb{0%{transform:scale(1)}100%{transform:scale(1.06) translate(-1%,1%)}}
.kv-fade{position:absolute;inset:0;background:linear-gradient(90deg,#050916 0%,rgba(5,9,22,.94) 24%,rgba(5,9,22,.6) 42%,rgba(5,9,22,0) 60%),linear-gradient(0deg,#050916 0%,rgba(5,9,22,.85) 16%,rgba(5,9,22,0) 42%)}
.lightband{position:absolute;inset:0;background:linear-gradient(105deg,transparent 38%,rgba(150,195,255,.2) 47%,rgba(220,235,255,.28) 50%,rgba(150,195,255,.2) 53%,transparent 62%);background-size:300% 100%;mix-blend-mode:screen;animation:lb 9s ease-in-out infinite;pointer-events:none}
@keyframes lb{0%,30%{background-position:100% 0}80%,100%{background-position:0 0}}
.shim{position:absolute;border-radius:50%;background:radial-gradient(circle,rgba(90,160,255,.55) 0%,rgba(47,107,255,.18) 40%,transparent 70%);mix-blend-mode:screen;transform:translate(-50%,-50%);animation:sm 5s ease-in-out infinite}
@keyframes sm{0%,100%{opacity:.15}50%{opacity:.75}}
.glint{position:absolute;transform:translate(-50%,-50%);opacity:0;animation:gl 7s ease-in-out infinite}
@keyframes gl{0%,70%,100%{opacity:0;transform:translate(-50%,-50%) scale(.4) rotate(0)}76%{opacity:1;transform:translate(-50%,-50%) scale(1.15) rotate(45deg)}84%{opacity:0;transform:translate(-50%,-50%) scale(.5) rotate(90deg)}}
.scan{position:absolute;inset:0;z-index:4;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(255,255,255,.022) 0 1px,transparent 1px 3px)}
.sweep{position:absolute;left:0;right:0;top:0;height:2px;z-index:5;background:linear-gradient(90deg,transparent,rgba(140,190,255,.75),transparent);box-shadow:0 0 14px rgba(90,150,255,.85);animation:sw 7s linear infinite;pointer-events:none}
@keyframes sw{0%{transform:translateY(-10px)}100%{transform:translateY(790px)}}
.rise{position:absolute;bottom:-12px;width:3px;height:3px;border-radius:50%;background:#CFE2FF;box-shadow:0 0 8px 2px rgba(90,150,255,.9);animation:ri 10s linear infinite;pointer-events:none}
.bubble{width:9px;height:9px;background:transparent;border:1px solid rgba(170,210,255,.75);box-shadow:0 0 8px rgba(90,150,255,.6)}
@keyframes ri{0%{transform:translate(0,0);opacity:0}10%{opacity:1}50%{transform:translate(10px,-400px)}85%{opacity:.8}100%{transform:translate(-6px,-800px);opacity:0}}
.rail{position:relative;z-index:3;flex:none;width:56px;border-right:1px solid var(--line2);padding:16px 0;display:flex;flex-direction:column;align-items:center;gap:10px;background:rgba(5,9,22,.85)}
.rail a{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:10px;color:#6E7EA8}
.rail a:hover{background:#111A3A;color:#CFE2FF}
.hero-body{position:relative;z-index:3;flex:1;min-width:0;display:flex;flex-wrap:wrap;align-items:center}
.hero-text{position:relative;flex:0 1 600px;min-width:0;padding:56px 48px;display:flex;flex-direction:column;gap:22px}
.arc{position:absolute;left:10px;top:84px;width:620px;height:220px;transform:rotate(-9deg);border-radius:50%;border-top:2px solid rgba(170,205,255,.95);border-left:1px solid rgba(90,150,255,.35);filter:drop-shadow(0 0 8px rgba(70,130,255,.9));animation:br 4s ease-in-out infinite;pointer-events:none}
@keyframes br{0%,100%{opacity:.5}50%{opacity:1}}
.status{display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:3px;color:#8E9CC4;font-family:var(--en)}
.status i{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok)}
.hero h1{margin:0;font-family:var(--en);font-size:136px;line-height:.95;font-weight:900;font-style:italic;letter-spacing:-2px}
.hero h1 small{font-size:72px;letter-spacing:0}
.tag{display:flex;align-items:center;gap:14px}
.tag span:last-child{font-size:34px;font-weight:900;letter-spacing:6px;color:#F4F8FF}
.sub{font-family:var(--en);font-size:13px;letter-spacing:7px;color:#8E9CC4;font-weight:800;font-style:italic}
.ask{display:flex;flex-direction:column;gap:14px;margin-top:18px;max-width:520px;padding:16px 18px;border-radius:14px;background:rgba(8,13,32,.86);text-decoration:none;color:var(--text)}
.ask .who{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.ask .who img{width:24px;height:24px;border-radius:50%;border:1px solid #4D7DFF}
.ask .ph{font-size:16px;color:#5F6E96;padding:4px 0}
.ask .row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.chip{padding:5px 10px;border:1px solid #24366E;border-radius:999px;font-size:12px;color:var(--ice);font-family:var(--mono)}
.send{width:36px;height:36px;border-radius:10px;background:var(--blue);display:flex;align-items:center;justify-content:center}
.log{margin-top:10px;display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--dim);font-family:var(--mono)}
.type{opacity:0;animation:ty .2s ease forwards}
@keyframes ty{to{opacity:1}}
.hero-side{position:relative;flex:1 1 300px;min-width:0;align-self:stretch;min-height:320px}
.unit{position:absolute;top:40px;right:36px;padding:10px 14px;border-radius:8px;font-size:12px;line-height:1.7;color:var(--muted);background:rgba(8,13,32,.7);font-family:var(--mono);animation:fk 5s steps(1) infinite}
@keyframes fk{0%,92%,96%{opacity:1}94%,98%{opacity:.35}}
.quote{position:absolute;right:48px;bottom:56px;padding:10px 16px;border-radius:10px;font-size:15px;background:rgba(8,13,32,.78)}

/* sections */
section.block{padding:72px 24px}
.head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.head > div{display:flex;flex-direction:column;gap:10px}
.head p{margin:0;font-size:15px;color:#8E9CC4}
.models{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,380px),1fr));gap:22px}
.card{border-radius:14px;padding:24px;display:flex;flex-direction:column;gap:14px;transition:border-color .2s,box-shadow .2s,transform .2s}
.card:hover{border-color:#4D7DFF;box-shadow:0 0 0 1px rgba(77,125,255,.35),0 0 36px rgba(47,107,255,.28);transform:translateY(-3px)}
.card .r1{display:flex;justify-content:space-between;align-items:center;gap:12px}
.card .vendor{font-family:var(--en);font-style:italic;font-size:12px;letter-spacing:3px;font-weight:800;color:var(--dim);text-transform:uppercase}
.free{padding:3px 10px;border:1px solid var(--ok);color:var(--ok);border-radius:999px;font-size:11px;font-weight:800;letter-spacing:2px;font-family:var(--en)}
.card h3{margin:0;font-size:22px;font-weight:800;color:#F4F8FF;overflow-wrap:anywhere}
.card code{font-size:12px;color:var(--ice);background:#060B1C;border:1px solid var(--line2);border-radius:8px;padding:9px 12px;overflow-wrap:anywhere;font-family:var(--mono)}
.card p{margin:0;font-size:14px;line-height:1.7;color:var(--muted)}
.card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line2)}
.card .tags span{padding:3px 9px;background:#0E1838;border-radius:6px;font-size:12px;color:var(--ice)}
.empty{border-radius:14px;padding:40px;display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.empty img{width:96px;height:96px;border-radius:50%;border:2px solid var(--blue2);box-shadow:0 0 22px rgba(77,139,255,.45)}
.empty strong{font-size:20px}.empty p{margin:6px 0 0;color:var(--muted);font-size:14px}
.cols{display:flex;flex-wrap:wrap;gap:48px;align-items:center}
.cols > div{flex:1 1 420px;min-width:0}
.steps{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:14px}
.steps li{border-radius:12px;padding:18px 20px;display:flex;gap:18px;align-items:flex-start}
.steps .n{flex:none;font-family:var(--en);font-style:italic;font-size:36px;line-height:1;font-weight:900}
.steps strong{display:block;font-size:18px;margin-bottom:4px}
.steps span.d{font-size:14px;color:var(--muted);line-height:1.6}
.term{position:relative;border-radius:16px;overflow:hidden;background:rgba(4,7,18,.92);box-shadow:0 0 60px rgba(47,107,255,.25)}
.term .bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line2)}
.term .bar span{font-size:12px;color:var(--dim);letter-spacing:2px;font-family:var(--mono)}
.term button{padding:6px 12px;background:transparent;border:1px solid #24366E;border-radius:8px;color:var(--ice);font-size:12px;cursor:pointer;font-family:inherit}
.term pre{margin:0;padding:22px;font-size:13px;line-height:1.9;color:var(--muted);white-space:pre-wrap;overflow-wrap:anywhere;font-family:var(--mono)}
.rules{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:20px}
.rules > div{border-radius:14px;padding:24px;display:flex;flex-direction:column;gap:12px}
.rules .lab{font-size:12px;letter-spacing:2px;font-family:var(--mono)}
.rules h3{margin:0;font-size:19px;font-weight:900}
.rules p{margin:0;font-size:14px;line-height:1.75;color:var(--muted)}
.up{position:relative;border:1px solid #24366E;border-radius:22px;background-color:#060B1E;overflow:hidden;display:flex;flex-wrap:wrap;align-items:center}
.up .txt{position:relative;flex:1 1 520px;min-width:0;padding:56px;display:flex;flex-direction:column;gap:16px}
.up h2{margin:0;font-family:var(--en);font-size:64px;line-height:1;font-weight:900;font-style:italic}
.up .art{position:relative;flex:1 1 360px;min-width:0;display:flex;justify-content:center;align-items:flex-end;padding-top:16px}
.up .art img{width:380px;max-width:92%;display:block;-webkit-mask-image:radial-gradient(ellipse 72% 78% at 55% 42%,#000 58%,transparent 100%);mask-image:radial-gradient(ellipse 72% 78% at 55% 42%,#000 58%,transparent 100%)}
.halo{position:absolute;border-radius:50%;background:radial-gradient(circle,rgba(47,107,255,.5) 0%,rgba(47,107,255,.15) 34%,transparent 62%);pointer-events:none}
footer{border-top:1px solid #111A3A;padding:28px 24px}
footer .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:var(--dim)}
footer nav{display:flex;flex-wrap:wrap;gap:20px}

@media (max-width:900px){
.hero{min-height:680px}.rail{display:none}
.kv-wrap{width:210%;right:-62%;opacity:.6}
.kv-fade{background:linear-gradient(90deg,rgba(5,9,22,.9) 0%,rgba(5,9,22,.55) 100%),linear-gradient(0deg,#050916 0%,rgba(5,9,22,0) 40%)}
.hero-text{padding:36px 22px}.hero h1{font-size:84px}.hero h1 small{font-size:44px}
.tag span:last-child{font-size:24px;letter-spacing:3px}.sub{letter-spacing:4px}
.arc{width:340px}.hero-side{display:none}
h2.sec{font-size:34px}.up .txt{padding:32px 24px}.up h2{font-size:46px}
.top nav{gap:18px}
}
.embedded .top{display:none}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important}.type{opacity:1}}