/* PixLab 官网 · 共享样式（V2 设计语言：近黑分层 + 噪点 + mono 图注） */
:root{
  --accent:#0A84FF;
  --bg:#0e0f12;--p1:#141619;--p2:#191c21;--raise:#1e2127;
  --line:rgba(255,255,255,.075);--hi:rgba(255,255,255,.11);
  --text:#ecedef;--dim:#9ba1ab;--faint:#61666f;
  --font:"Noto Sans SC",-apple-system,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::after{content:"";position:fixed;inset:0;z-index:2;pointer-events:none;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E")}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.rv{opacity:0;transform:translateY(20px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

header{position:sticky;top:0;z-index:40;background:rgba(14,15,18,.78);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:30px;height:62px}
.brand{display:flex;align-items:center;gap:11px;font-weight:900;font-size:18px}
.brand img{width:27px;height:27px;border-radius:7px}
.nav nav{display:flex;gap:26px;font-size:14px;color:var(--dim)}
.nav nav a:hover{color:var(--text)}
.nav nav a.on{color:var(--text);box-shadow:0 2px 0 var(--accent)}
.nav .sp{flex:1}
.btn{display:inline-flex;align-items:center;gap:9px;border-radius:9px;font-weight:700;font-size:14.5px;padding:11px 22px;border:1px solid var(--line);transition:.2s}
.btn:hover{border-color:var(--hi);background:var(--p2)}
.btn-p{background:var(--accent);border-color:transparent;color:#fff;box-shadow:0 0 0 1px rgba(10,132,255,.25),0 8px 28px rgba(10,132,255,.28)}
.btn-p:hover{background:#2492ff}
.btn-sm{padding:8px 15px;font-size:13px}
.glyph{width:15px;height:15px;flex:none}

.hero{padding:96px 0 30px;text-align:center;position:relative}
.hero::before{content:"";position:absolute;left:50%;top:-140px;width:900px;height:520px;transform:translateX(-50%);background:radial-gradient(ellipse at center,rgba(10,132,255,.16),transparent 62%);pointer-events:none}
.pagehead{padding:84px 0 10px;text-align:center}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.22em;color:var(--faint);text-transform:uppercase}
h1{font-size:clamp(46px,7.2vw,86px);line-height:1.04;letter-spacing:-.025em;font-weight:900;margin:22px 0 20px}
h1 .d{color:var(--faint);font-weight:700}
.pagehead h1{font-size:clamp(38px,5vw,62px)}
.lead{font-size:17.5px;color:var(--dim);max-width:36em;margin:0 auto}
.cta{display:flex;gap:14px;justify-content:center;margin:34px 0 18px;flex-wrap:wrap}
.meta{font-family:var(--mono);font-size:12px;color:var(--faint);letter-spacing:.04em}

.win{background:#131418;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 40px 110px rgba(0,0,0,.6),0 0 90px rgba(10,132,255,.09)}
.tbar{height:40px;display:flex;align-items:center;padding:0 14px;background:#191b1f;border-bottom:1px solid var(--line)}
.dots{display:flex;gap:7px}
.dot{width:11px;height:11px;border-radius:50%}
.doc{flex:1;text-align:center;font-family:var(--mono);font-size:11.5px;color:var(--faint)}
.menubar{height:30px;display:flex;gap:20px;align-items:center;padding:0 16px;background:#15171b;border-bottom:1px solid var(--line);font-size:12px;color:var(--dim)}
.menubar b{color:var(--text);font-weight:500}
.wbody{display:grid;grid-template-columns:46px 1fr 218px;min-height:392px}
.rail{border-right:1px solid var(--line);padding:12px 0;display:flex;flex-direction:column;align-items:center;gap:4px}
.rl{width:30px;height:30px;border-radius:7px;display:flex;align-items:center;justify-content:center;color:#8b909a}
.rl svg{width:15px;height:15px}
.rl.on{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(10,132,255,.4)}
.cv{background:#0b0c0e;position:relative;display:flex;align-items:center;justify-content:center;padding:26px;overflow:hidden}
.board{width:100%;max-width:560px;aspect-ratio:16/10;border-radius:4px;position:relative;background:radial-gradient(120% 130% at 18% 12%,#1d3a6e 0%,transparent 52%),radial-gradient(110% 120% at 85% 20%,#7a4a2b 0%,transparent 55%),radial-gradient(130% 130% at 60% 95%,#0e3f46 0%,transparent 60%),#101216;box-shadow:0 12px 44px rgba(0,0,0,.55)}
.board::after{content:"";position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.4'/%3E%3C/svg%3E");mix-blend-mode:overlay;border-radius:4px}
.stroke{position:absolute;inset:0;width:100%;height:100%}
.sel{position:absolute;left:26%;top:24%;width:34%;height:44%;outline:1px dashed rgba(255,255,255,.85);outline-offset:-1px}
.curs{position:absolute;left:52%;top:56%;width:74px;height:74px;border:1.5px solid #fff;border-radius:50%;box-shadow:0 0 0 1px rgba(0,0,0,.6),inset 0 0 0 1px rgba(0,0,0,.6)}
.side{border-left:1px solid var(--line);background:#15171b;display:flex;flex-direction:column}
.tabs{display:flex;border-bottom:1px solid var(--line)}
.tab{flex:1;text-align:center;font-size:11.5px;padding:9px 0;color:var(--faint)}
.tab.on{color:var(--text);background:#191c21;box-shadow:inset 0 -2px 0 var(--accent)}
.blend{display:flex;gap:8px;align-items:center;padding:10px 12px;border-bottom:1px solid var(--line);font-size:11px;color:var(--dim)}
.blend .fld{flex:1;background:#0f1114;border:1px solid var(--line);border-radius:5px;padding:5px 9px;display:flex;justify-content:space-between;align-items:center}
.lyr{display:flex;align-items:center;gap:9px;padding:9px 12px;border-bottom:1px solid rgba(255,255,255,.04);font-size:11.5px}
.lyr.on{background:rgba(10,132,255,.14)}
.th{width:34px;height:24px;border-radius:4px;flex:none;border:1px solid rgba(255,255,255,.14)}
.th1{background:radial-gradient(80% 90% at 30% 25%,#2c4d80,transparent),#182030}
.th2{background:linear-gradient(135deg,#c9d6e8,#8fa3bd)}
.th3{background:#d9d4c8}
.eye{margin-left:auto;color:var(--faint);font-size:10px}
.lname{color:#c8ccd3}
.ltag{font-family:var(--mono);font-size:9px;color:var(--faint);border:1px solid var(--line);border-radius:3px;padding:0 4px;margin-left:6px}
.hist{margin-top:auto;border-top:1px solid var(--line);padding:10px 12px}
.hrow{font-size:10.5px;color:var(--faint);padding:3px 0;font-family:var(--mono)}
.hrow.on{color:#c8ccd3}
.stage{max-width:1020px;margin:54px auto 0;padding:0 28px;position:relative}
.shot{width:100%;display:block;border-radius:14px;border:1px solid var(--line);box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 40px 110px rgba(0,0,0,.6),0 0 90px rgba(10,132,255,.09)}
.cap{font-family:var(--mono);font-size:11px;color:var(--faint);text-align:center;margin:16px 0 0;letter-spacing:.06em}

section{padding:96px 0}
.kick{font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;color:var(--faint);text-transform:uppercase;margin-bottom:18px}
h2{font-size:clamp(30px,4vw,48px);line-height:1.12;letter-spacing:-.02em;font-weight:900}
h2 .d{color:var(--faint)}
.sub{color:var(--dim);font-size:16.5px;max-width:34em;margin-top:16px}

.frow{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:54px 0;border-top:1px solid var(--line)}
.frow .txt h3{font-size:23px;font-weight:900;letter-spacing:-.01em;margin-bottom:12px}
.frow .txt p{color:var(--dim);font-size:15.5px}
.frow .fig{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--faint);margin-bottom:14px}
.vig{background:var(--p1);border:1px solid var(--line);border-radius:12px;padding:22px;box-shadow:0 1px 0 rgba(255,255,255,.05) inset,0 24px 60px rgba(0,0,0,.4)}
.chipmenu{background:#1d2026;border:1px solid var(--hi);border-radius:9px;overflow:hidden;font-size:12.5px;max-width:280px;box-shadow:0 18px 44px rgba(0,0,0,.5)}
.mi{display:flex;justify-content:space-between;padding:7px 13px;color:#c8ccd3}
.mi kbd{font-family:var(--mono);font-size:10px;color:var(--faint)}
.mi.on{background:var(--accent);color:#fff}.mi.on kbd{color:rgba(255,255,255,.75)}
.msep{height:1px;background:var(--line);margin:4px 0}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.chip{font-size:11px;color:var(--dim);border:1px solid var(--line);border-radius:99px;padding:3px 11px}
.panels{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pcard{background:#191c21;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.pcard .ph{font-size:11px;color:var(--dim);padding:8px 12px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between}
.adj{display:flex;align-items:center;gap:10px;padding:8px 12px;border-bottom:1px solid rgba(255,255,255,.04);font-size:11.5px;color:#c8ccd3}
.adj .sw{width:22px;height:14px;border-radius:3px;background:linear-gradient(90deg,#101216,#3a6fd8)}
.curve{padding:10px}
.brush{padding:14px}
.bl{font-size:11px;color:var(--dim);display:flex;justify-content:space-between;margin:10px 0 5px}
.tr{height:3px;border-radius:2px;background:#0f1114;position:relative}
.tr i{position:absolute;left:0;top:0;bottom:0;border-radius:2px;background:var(--accent)}
.tr b{position:absolute;top:-4px;width:11px;height:11px;border-radius:50%;background:#fff;border:2px solid var(--accent)}

.check{columns:2;gap:44px;margin-top:40px}
.check div{break-inside:avoid;display:flex;gap:11px;align-items:baseline;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.045);font-size:14px;color:var(--dim)}
.check svg{width:13px;height:13px;color:var(--accent);flex:none;transform:translateY(1px)}

#download{background:#101216;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.dl2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:44px}
.dl{background:var(--p1);border:1px solid var(--line);border-radius:14px;padding:30px;box-shadow:0 1px 0 rgba(255,255,255,.05) inset}
.dl.reco{border-color:rgba(10,132,255,.5);box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 0 60px rgba(10,132,255,.07)}
.dl .top{display:flex;align-items:center;gap:13px}
.dl .top img,.dl .top svg.g{width:34px;height:34px;border-radius:8px}
.dl h3{font-size:20px;font-weight:900}
.dl .f{font-family:var(--mono);font-size:11.5px;color:var(--faint);margin-top:2px}
.spec{margin:22px 0 26px;border-top:1px solid var(--line)}
.spec div{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.045);font-size:13px}
.spec span{color:var(--faint);font-family:var(--mono);font-size:11px;letter-spacing:.06em;flex:none}
.spec b{color:var(--dim);font-weight:500;text-align:right}
.badge{font-family:var(--mono);font-size:10px;letter-spacing:.1em;padding:3px 10px;border-radius:99px;border:1px solid var(--line);color:var(--dim);margin-left:auto}
.badge.a{color:#7ab8ff;border-color:rgba(10,132,255,.4)}
.steps{counter-reset:s;margin-top:26px}
.step{display:flex;gap:16px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.05);font-size:14.5px;color:var(--dim)}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-family:var(--mono);font-size:12px;color:var(--accent);flex:none;padding-top:2px}
.step b{color:var(--text);font-weight:700;display:block;margin-bottom:2px}

.oss{display:grid;grid-template-columns:1.25fr 1fr;gap:56px;align-items:start}
.oss .q{border-left:2px solid rgba(10,132,255,.5);padding-left:22px;color:var(--dim);font-size:15.5px}
.who{background:var(--p1);border:1px solid var(--line);border-radius:12px;padding:26px}
.who .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--faint)}
.who .v{font-size:17px;font-weight:700;margin-top:5px}
.who .r{margin-top:20px}
.aidir{display:flex;align-items:center;gap:10px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.aidir img{height:16px;opacity:.85}

.fin{text-align:center;padding:110px 0}
.fin h2{font-size:clamp(34px,5vw,60px)}
.fin .btn{margin-top:34px}
.fin .meta{margin-top:16px;display:block}
footer{border-top:1px solid var(--line);padding:34px 0 44px;color:var(--faint);font-size:12.5px}
.frow2{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.frow2 a{color:var(--dim)}

@media (max-width:920px){
  .frow{grid-template-columns:1fr;gap:30px}
  .dl2,.oss{grid-template-columns:1fr}
  .wbody{grid-template-columns:42px 1fr 180px}
  .check{columns:1}
}
@media (max-width:600px){
  .nav nav{display:none}
  .wbody{grid-template-columns:40px 1fr}
  .side{display:none}
  section{padding:70px 0}
}

/* Windows 构建选择器 */
.seg{display:flex;gap:6px;background:#0f1114;border:1px solid var(--line);border-radius:10px;padding:5px;margin:18px 0 16px}
.seg-b{flex:1;border:none;background:transparent;color:var(--dim);font-family:var(--font);font-size:13px;font-weight:500;padding:9px 6px;border-radius:7px;cursor:pointer;transition:.15s}
.seg-b:hover{color:var(--text)}
.seg-b.on{background:var(--accent);color:#fff;box-shadow:0 3px 12px rgba(10,132,255,.35)}
.seg-b small{display:block;font-family:var(--mono);font-size:9.5px;opacity:.75;margin-top:1px}