@media (prefers-reduced-motion:no-preference){body{animation:evPageIn .18s ease-out}@keyframes evPageIn{from{opacity:0}}}
#v2 .hero::before,#v2 .hero::after{content:none!important;display:none!important;
background:none!important;box-shadow:none!important}
#v2 .hero{display:block!important;min-height:0!important;
align-items:initial!important;justify-content:initial!important}
#v2 .eyebrow::before{content:none!important;display:none!important}
#v2 .motif-node,#v2 .motif-seq,#v2 .motif-arrow,.motif-node,.motif-seq,.motif-arrow{display:none!important}
#v2 .trial{backdrop-filter:none!important;-webkit-backdrop-filter:none!important;
border:none!important;border-radius:0!important;padding:0!important;
background:none!important;width:100%!important;box-shadow:none!important}
#v2 .trial:focus-within{border:none!important;box-shadow:none!important}
#v2 .trial.success{border:none!important;background:none!important}
#v2 .hero .tagline,#v2 .tagline{text-align:left!important}
#v2 .video-frame{max-width:880px;margin:40px auto 0;border:1px solid var(--line);
background:var(--bg-card);border-radius:var(--r-card);overflow:hidden;position:relative}
#v2 .video-frame video{display:block;width:100%;height:auto;background:var(--bg-card)}
#v2 .video-subs{position:absolute;left:50%;transform:translateX(-50%);bottom:14px;
font-size:12px;line-height:1.5;color:#fff;background:rgba(3,7,18,.72);
padding:6px 12px;border-radius:var(--r-sm);max-width:80%;text-align:center}
#v2 .video-subs:empty{display:none}
#v2 .video-cap{display:flex;gap:16px;justify-content:center;margin-top:16px;
font-size:13px;color:var(--tx-3)}
#v2 .card .btn{margin-top:auto;align-self:flex-start}
#v2 .card .meta{margin-top:auto}
#v2{
--fs-h1:80px; --ls-h1:-.05em; --lh-h1:1;
--fs-h2:64px; --ls-h2:-.04em; --lh-h2:1;
--fs-h3:32px; --ls-h3:-.02em; --lh-h3:1.2;
--fs-body:16px; --ls-body:-.02em; --lh-body:1.6;
--fs-eyebrow:18px; --ls-eyebrow:.06em; --lh-eyebrow:24px;
--fs-small:14px; --ls-small:-.01em;
--w-page:1344px; --w-text:720px;
--pad-section:120px; --pad-section-sm:60px;
--gap-20:20px; --gap-30:30px; --gap-40:40px;
--r-card:16px; --r-sm:4px; --r-pill:100px;
--bg:#FFFFFF; --bg-card:#F3F4F6; --bg-card-60:rgba(243,244,246,.6);
--bg-dark:#030712;
--tx:#111827; --tx-2:#4B5563; --tx-3:#69707E; --tx-4:#D1D5DB;
--tx-on-dark:#FFFFFF; --tx-on-dark-2:rgba(255,255,255,.6);
--brand:#224EEE; --brand-2:#1D4ED8; --accent:#224EEE;
--line:#E5E7EB;
--sh-1:0 2px 4px rgba(0,0,0,.06);
--sh-2:0 2px 8px rgba(0,0,0,.08);
}#v2 *{box-sizing:border-box}#v2{scroll-behavior:smooth}#v2{margin:0;background:var(--bg);color:var(--tx);
font-family:var(--font-body);
font-size:var(--fs-body);font-weight:500;line-height:var(--lh-body);letter-spacing:var(--ls-body);
-webkit-font-smoothing:antialiased}#v2 a{color:inherit;text-decoration:none}#v2 button{font:inherit}#v2 .page{max-width:var(--w-page);margin:0 auto;padding:0 40px}#v2 .spec-bar{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(16px);
border-bottom:1px solid var(--line);padding:9px 40px;display:flex;align-items:center;gap:12px;
flex-wrap:wrap;font-size:var(--fs-small);letter-spacing:var(--ls-small);color:var(--tx-3)}#v2 .spec-bar b{color:var(--brand);font-weight:600}#v2 .spec-bar .k{font-family:ui-monospace,Menlo,monospace;color:var(--brand-2);font-size:12px}#v2 .spec-bar a{color:var(--brand-2);border-bottom:1px solid rgba(45,102,248,.3)}#v2 nav{display:flex;align-items:center;height:72px;border-bottom:1px solid var(--line);background:var(--bg)}#v2 nav .in{display:flex;align-items:center;gap:var(--gap-40);width:100%}#v2 nav .brand{font-size:18px;font-weight:600;letter-spacing:-.02em;display:flex;align-items:center;gap:9px}#v2 nav .brand i{width:9px;height:9px;border-radius:var(--r-sm);background:var(--brand);display:block}#v2 nav .links{display:flex;gap:24px;margin-left:auto;font-size:var(--fs-body);color:var(--tx-3)}#v2 nav .links a:hover{color:var(--tx)}#v2 nav .cta{background:var(--brand);color:#fff;border-radius:var(--r-sm);padding:10px 18px;
font-size:var(--fs-small);font-weight:600}#v2 nav .cta:hover{background:var(--brand-2)}#v2 section{padding:var(--pad-section) 0}#v2 section.sm{padding:var(--pad-section-sm) 0}#v2 .eyebrow{font-size:var(--fs-eyebrow);font-weight:500;line-height:var(--lh-eyebrow);
letter-spacing:var(--ls-eyebrow);color:var(--tx-2);margin-bottom:var(--gap-20);text-transform:uppercase}#v2 h1{font-size:clamp(40px,6vw,var(--fs-h1));font-weight:500;line-height:var(--lh-h1);
letter-spacing:var(--ls-h1);margin:0;max-width:15ch}#v2 h2{font-size:clamp(30px,4.6vw,var(--fs-h2));font-weight:500;line-height:var(--lh-h2);
letter-spacing:var(--ls-h2);margin:0;max-width:18ch}#v2 h3{font-size:clamp(20px,2.4vw,var(--fs-h3));font-weight:500;line-height:var(--lh-h3);
letter-spacing:var(--ls-h3);margin:0}#v2 h4{font-size:24px;font-weight:500;line-height:1.3;letter-spacing:-.01em;margin:0}#v2 .lead{font-size:var(--fs-body);font-weight:500;line-height:var(--lh-body);letter-spacing:var(--ls-body);
color:var(--tx-3);max-width:var(--w-text);margin:var(--gap-20) 0 0}#v2 .small{font-size:var(--fs-small);line-height:1.5;letter-spacing:var(--ls-small);
color:var(--tx-3);max-width:var(--w-text);margin:var(--gap-20) 0 0}#v2
.hero{background:var(--bg-dark);color:var(--tx-on-dark);padding:120px 0 80px}#v2 .hero .hd{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:24px}#v2 .hero .eyebrow{color:var(--tx-on-dark-2)}#v2 .hero h1{color:#fff;max-width:16ch}#v2 .hero h1 .accent{color:var(--accent)}#v2 .hero .lead{color:var(--tx-on-dark-2);max-width:600px}#v2
.ask{margin-top:44px;max-width:820px;width:100%}#v2 .ask .box{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);
border-radius:var(--r-card);padding:16px 16px 12px;transition:border-color .2s,box-shadow .2s}#v2
.ask .box:focus-within{border-color:rgba(34,78,238,.55);box-shadow:0 0 0 3px rgba(34,78,238,.18)}#v2 .ask textarea{width:100%;background:transparent;border:none;outline:none;resize:none;
color:rgba(255,255,255,.92);font-family:inherit;font-size:18px;line-height:1.6;
letter-spacing:var(--ls-body);padding:2px;display:block;max-height:148px}#v2 .ask textarea::placeholder{color:rgba(255,255,255,.55)}#v2 .ask .row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:6px}#v2 .ask .hint{font-size:12px;color:rgba(255,255,255,.55);letter-spacing:.01em}#v2 .ask .send{width:36px;height:36px;flex:none;border-radius:50%;border:none;background:var(--accent);
color:#030712;display:flex;align-items:center;justify-content:center;cursor:pointer;
transition:background .2s,transform .2s,opacity .2s}#v2 .ask .send:not(:disabled):hover{background:#7DD3FC;transform:translateY(-1px)}#v2 .ask .send:disabled{background:rgba(255,255,255,.18);opacity:.4;cursor:default}#v2 .ask .send svg{width:16px;height:16px}#v2 .ask .ok{display:none;font-size:14px;line-height:1.6;color:rgba(255,255,255,.9);padding:4px 2px}#v2 .ask.done form{display:none}#v2 .ask.done .ok{display:block}#v2
.ask .examples{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}#v2 .ask .examples button{background:transparent;border:1px solid rgba(255,255,255,.18);
color:rgba(255,255,255,.7);border-radius:var(--r-pill);padding:7px 14px;font-size:13px;
cursor:pointer;transition:border-color .2s,color .2s,background .2s}#v2 .ask .examples button:hover{border-color:rgba(255,255,255,.45);color:#fff;background:rgba(255,255,255,.06)}#v2
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);
display:grid;grid-template-columns:repeat(4,1fr);margin-top:var(--gap-40)}#v2 .stat{padding:44px 0 40px;border-left:1px solid var(--line)}#v2 .stat:first-child{border-left:none}#v2 .stat b{display:block;font-size:56px;font-weight:500;line-height:.95;letter-spacing:-.045em}#v2 .stat span{display:block;margin-top:14px;font-size:var(--fs-small);letter-spacing:var(--ls-small);color:var(--tx-3);max-width:20ch}#v2 .stat em{font-style:normal;color:var(--brand)}#v2
.cap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.86fr);gap:80px;align-items:start}#v2 .evidence{border-left:2px solid var(--accent);padding:6px 0 6px 22px;
font-family:ui-monospace,Menlo,monospace;font-size:13.5px;line-height:2.1;color:var(--tx-3)}#v2 .evidence div{display:flex;gap:12px}#v2 .evidence i{color:var(--brand);font-style:normal;min-width:78px}#v2
.trust{text-align:center;background:var(--bg-card-60)}#v2 .trust h2{margin:0 auto;max-width:20ch}#v2 .trust .lead{margin-left:auto;margin-right:auto;text-align:center}#v2
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap-20);margin-top:var(--gap-40)}#v2 .card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);
padding:24px 24px 28px;display:flex;flex-direction:column;gap:16px;min-height:230px;transition:transform .25s cubic-bezier(.22,1,.36,1),box-shadow .25s}#v2 .card:hover{transform:translateY(-3px);}#v2 .card .tag{font-family:ui-monospace,Menlo,monospace;font-size:12px;letter-spacing:.06em;color:var(--brand-2)}#v2 .card h4, #v2 .card h3{margin:0;font-size:24px;font-weight:500;line-height:1.3;letter-spacing:-.01em}#v2 .card p{margin:0;font-size:var(--fs-small);line-height:1.55;letter-spacing:var(--ls-small);color:var(--tx-3)}#v2 .card .meta{margin-top:auto;font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--tx-2)}#v2 .card:hover .meta{color:var(--brand)}#v2
.mech{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;margin-top:var(--gap-40)}#v2 .mech div{background:var(--bg-card);padding:34px 28px}#v2 .mech b{display:block;font-family:ui-monospace,Menlo,monospace;font-size:12px;
letter-spacing:.08em;color:var(--brand);margin-bottom:16px}#v2 .mech h4, #v2 .mech h3{margin:0 0 10px;font-size:17px;font-weight:500;letter-spacing:-.016em}#v2 .mech p{margin:0;font-size:var(--fs-small);line-height:1.55;letter-spacing:var(--ls-small);color:var(--tx-3)}#v2
.rule{height:1px;background:var(--line);margin:0}#v2 .glyph{display:block;color:var(--line);margin:0 0 28px}#v2
.final{background:var(--bg-dark);color:var(--tx-on-dark);text-align:center}#v2 .final h2{margin:0 auto;max-width:16ch;color:#fff}#v2 .final .lead{color:var(--tx-on-dark-2);margin-left:auto;margin-right:auto;text-align:center;max-width:520px}#v2 .final .ctas{display:flex;gap:12px;justify-content:center;margin-top:36px;flex-wrap:wrap}#v2 .btn{display:inline-flex;align-items:center;gap:8px;border-radius:var(--r-sm);padding:14px 22px;
font-size:var(--fs-body);font-weight:600;letter-spacing:var(--ls-body);
transition:transform .2s cubic-bezier(.22,1,.36,1),background .2s,border-color .2s}#v2 .btn-primary{background:var(--brand);color:#fff}#v2 .btn-primary:hover{transform:translateY(-1px);background:var(--brand-2)}#v2 .btn-on-dark{border:1px solid rgba(255,255,255,.28);color:#fff}#v2 .btn-on-dark:hover{border-color:#fff;background:rgba(255,255,255,.08)}#v2 .spec{margin:0 auto;max-width:var(--w-page);padding:0 40px 80px}#v2 .spec table{border-collapse:collapse;width:100%;font-size:13.5px;letter-spacing:var(--ls-small)}#v2 .spec th, #v2 .spec td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}#v2 .spec th{color:var(--tx-3);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.08em}#v2 .spec td:first-child{color:var(--tx-3);white-space:nowrap;width:1%}#v2 .spec code{font-family:ui-monospace,Menlo,monospace;font-size:12.5px;color:var(--brand-2)}#v2 footer{background:var(--bg-card);border-top:1px solid var(--line);padding:36px 0}#v2 footer .page{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
font-size:var(--fs-small);letter-spacing:var(--ls-small);color:var(--tx-3)}#v2 @media (max-width:1200px){.page{padding:0 32px}#v2 .hero{padding:100px 0 70px}#v2 .grid3{grid-template-columns:repeat(2,1fr)}#v2 }
@media (max-width:810px){
.page{padding:0 22px}#v2 section{padding:80px 0}#v2 .cap{grid-template-columns:1fr;gap:36px}#v2 .stats{grid-template-columns:repeat(2,1fr)}#v2 .stat{padding:34px 0 30px;border-left:none;border-top:1px solid var(--line)}#v2 .stat:nth-child(-n+2){border-top:none}#v2 .grid3, #v2 .mech{grid-template-columns:1fr}#v2 nav .links{display:none}#v2 .hero{padding:80px 0 90px}#v2 .spec{padding:0 22px 60px}#v2 .spec-bar{padding:9px 22px}#v2 .stat b{font-size:42px}#v2 }
#v2 .feat{list-style:none;padding:0;margin:var(--gap-20) 0 0;display:grid;gap:12px}#v2 #v2 .feat li{display:flex;gap:12px;align-items:flex-start;color:var(--tx-3);font-size:var(--fs-body);line-height:var(--lh-body)}#v2 #v2 .feat li::before{content:"✓";color:var(--brand-2);flex:none;font-weight:600}#v2 .faq{margin-top:var(--gap-40);display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}#v2 .faq details{background:var(--bg);padding:15px 18px}#v2 .faq summary{cursor:pointer;color:var(--tx);font-weight:600;font-size:var(--fs-body);list-style:none;display:flex;justify-content:space-between;gap:12px}#v2 .faq summary::-webkit-details-marker{display:none}#v2 .faq summary::after{content:"+";color:var(--tx-2);flex:none}#v2 .faq details[open] summary::after{content:"–"}#v2 .faq p{margin:12px 0 0;color:var(--tx-3);font-size:var(--fs-small);line-height:1.65;max-width:none}#v2 .pathbox{background:var(--bg-card-60);border:1px solid var(--line);border-radius:var(--r-card);padding:18px;display:block}#v2 .pathbox .k{font-family:ui-monospace,Menlo,monospace;font-size:11px;letter-spacing:.08em;color:#4B5563}#v2 .pathbox .t{display:block;margin-top:8px;color:var(--tx);font-weight:600}#v2 .pathbox .d{display:block;margin-top:6px;color:var(--tx-3);font-size:var(--fs-small);line-height:1.6}
.menu-toggle{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:8px;z-index:22}
.menu-toggle span{display:block;width:20px;height:1.5px;background:rgba(255,255,255,.84);border-radius:1px;transition:transform .25s,opacity .25s}
.menu-toggle.active span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
@media (max-width:720px){
.menu-toggle{display:flex}
.navbar .menu{display:flex;position:fixed;top:0;left:0;width:100vw;height:100vh;height:100dvh;background:rgba(13,17,23,.96);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);flex-direction:column;align-items:center;justify-content:center;gap:40px;z-index:21;transform:translateY(-100%);transition:transform .4s cubic-bezier(.22,1,.36,1)}
.navbar .menu.open{transform:translateY(0)}
.navbar .menu a{font-size:24px}
}
@media (prefers-reduced-motion:reduce){
.navbar .menu{transition:none}
.menu-toggle span{transition:none}
}
.footer::before{content:"";display:block;height:1px;background:linear-gradient(to right,transparent,rgba(255,255,255,.08) 20%,rgba(255,255,255,.12) 50%,rgba(255,255,255,.08) 80%,transparent)}
.footer-status{display:flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.5);margin-top:20px}
.footer-status-dot{width:6px;height:6px;border-radius:50%;background:#1D4ED8}
.footer-bottom span[aria-hidden="true"]{display:none}
@media (max-width:720px){.footer-bottom{justify-content:center}}
.menu a{position:relative}
.menu a::after{content:'';position:absolute;bottom:-2px;left:50%;width:0;height:2px;background:#1D4ED8;transition:width .3s,left .3s}
.menu a:hover::after{width:100%;left:0}
@media (max-width:900px){
.footer-top{flex-direction:column;gap:48px;padding:56px 0 40px}
.footer-cols{flex-wrap:wrap;gap:40px}
.footer-inner{padding:0 32px}
}
body { text-rendering: auto; }
:lang(zh) #v2 h1 {
line-height: 1.08; letter-spacing: normal; font-weight: 500;
word-break: keep-all; text-wrap: balance;
}
:lang(zh) #v2 h2 {
line-height: 1.12; letter-spacing: normal; font-weight: 600;
word-break: keep-all; text-wrap: balance;
}
:lang(zh) #v2 h3, :lang(zh) #v2 h4 { line-height: 1.3; letter-spacing: normal; }
:lang(zh) #v2 .eyebrow { letter-spacing: 0.02em; font-weight: 600; }
:lang(zh) #v2 p, :lang(zh) #v2 .lead, :lang(zh) #v2 li { line-height: 1.75; }
:lang(zh) #v2 { text-spacing-trim: space-all; }
:lang(zh) #v2 .mol-legend,
:lang(zh) #v2 .sv-play-note,
:lang(zh) #v2 span.cap,
:lang(zh) #v2 .sv-play-head .cap,
:lang(zh) #v2 .eyebrow,
:lang(zh) #v2 .mlab,
:lang(zh) #v2 .iclab,
:lang(zh) #v2 .pdemo-tab,
:lang(zh) #v2 .skip-link,
:lang(zh) #v2 span.meta,
:lang(zh) #v2 div.meta,
:lang(zh) #v2 .cite-id,
:lang(zh) #v2 .tl-date,
:lang(zh) #v2 .spec-bar .k,
:lang(zh) #v2 .pathbox .k,
:lang(zh) #v2 .card .tag,
:lang(zh) #v2 .card .meta,
:lang(zh) #v2 .mech b,
:lang(zh) #v2 .spec code,
:lang(zh) #v2 .evidence i,
:lang(zh) #v2 .demo-sub,
:lang(zh) footer h4,
:lang(zh) .footer-col h4, .footer-col h3,
:lang(zh) .footer-title,
:lang(zh) .footer-status,
:lang(zh) footer b,
:lang(zh) footer code,
:lang(zh) footer .meta {
font-family: "Geist Mono", "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SFMono-Regular", "Menlo", "PingFang SC", "HarmonyOS Sans SC", MiSans, -apple-system, "Microsoft YaHei", sans-serif;
}
:lang(zh) #v2 span.cap          { font-size: 12px;   letter-spacing: 0.04em; }
:lang(zh) #v2 .mol-legend       { font-size: 13.5px; }
:lang(zh) #v2 .demo-sec .mol-legend { font-size: 13.5px; }
:lang(zh) #v2 .demo-sub,
:lang(zh) #v2 span.demo-sub     { font-size: 13.5px; }
:lang(zh) #v2 .demo-sec .demo-sub   { font-size: 13.5px; }
:lang(zh) #v2 span.pill         { font-size: 12.5px; }
:lang(zh) #v2 .sv-play-note     { font-size: 11.5px; }
:lang(zh) #v2 .seg button       { font-size: 12.5px; }
:lang(zh) #v2 .mlab, :lang(zh) #v2 .iclab, :lang(zh) #v2 .pdemo-tab,
:lang(zh) #v2 span.meta, :lang(zh) #v2 div.meta, :lang(zh) #v2 a.skip-link
{ font-size: 12.5px; letter-spacing: 0.02em; }
#v2 h1, #v2 h2 { text-wrap: balance; }
@media (max-width: 810px) {
:lang(zh) #v2 h1, :lang(zh) #v2 h2 { word-break: break-word; }
}
:lang(zh) footer h4, :lang(zh) .footer-col h4, .footer-col h3, :lang(zh) .footer-title,
:lang(zh) .footer-status, :lang(zh) footer b, :lang(zh) footer code,
:lang(zh) footer .meta, :lang(zh) footer .iclab, :lang(zh) .footer-col a {
font-family: "Geist Mono", "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SFMono-Regular", "Menlo", "PingFang SC", "HarmonyOS Sans SC", MiSans, -apple-system, "Microsoft YaHei", sans-serif !important;
font-size: 12.5px !important; letter-spacing: 0.02em !important;
}
:lang(zh) #v2 .card,
:lang(zh) #v2 .mech,
:lang(zh) #v2 .grid3 > *,
:lang(zh) #v2 .grid2 > *,
:lang(zh) #v2 .mech > * { min-width: 0; }
:lang(zh) #v2 .card h4, #v2 .card h3,
:lang(zh) #v2 .mech h4, #v2 .mech h3,
:lang(zh) #v2 .loop-name,
:lang(zh) #v2 .card p,
:lang(zh) #v2 .mech p { overflow-wrap: break-word; word-break: normal; }
:lang(zh) .mlab,
:lang(zh) .iclab,
:lang(zh) .icell,
:lang(zh) .skip-link,
:lang(zh) .page.cap .evidence span,
:lang(zh) .page.cap .evidence b,
:lang(zh) .page.cap .evidence i,
:lang(zh) .sv-play-read span,
:lang(zh) .sv-play-cap span,
:lang(zh) .sv-play-cap,
:lang(zh) .sv-play-read,
:lang(zh) .bm-figcap,
:lang(zh) .bm-figcap b,
:lang(zh) .metrics .metric,
:lang(zh) .pdemo-tab,
:lang(zh) .tl-date,
:lang(zh) .footer-status,
:lang(zh) footer b,
:lang(zh) footer code,
:lang(zh) footer .iclab,
:lang(zh) .spec-bar .k,
:lang(zh) .pathbox .k,
:lang(zh) .card .tag,
:lang(zh) .card .meta,
:lang(zh) .video-cap,
:lang(zh) .video-subs,
:lang(zh) .vs-cap,
:lang(zh) .ctl,
:lang(zh) p.mlab,
:lang(zh) div.mlab {
font-family: "Geist Mono", "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SFMono-Regular", "Menlo", "PingFang SC", "HarmonyOS Sans SC", MiSans, -apple-system, "Microsoft YaHei", sans-serif;
}
:lang(zh) svg text,
:lang(zh) svg tspan {
font-family: "Geist Mono", "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SFMono-Regular", "Menlo", "PingFang SC", "HarmonyOS Sans SC", MiSans, -apple-system, "Microsoft YaHei", sans-serif !important;
}
:lang(zh) code { font-family: "Geist Mono", "JetBrains Mono", "PingFang SC", "HarmonyOS Sans SC", MiSans, ui-monospace, monospace; }
:lang(zh) .mlab, :lang(zh) .iclab, :lang(zh) .icell,
:lang(zh) .sv-play-read span, :lang(zh) .sv-play-cap span,
:lang(zh) .bm-figcap, :lang(zh) .metrics .metric,
:lang(zh) .pdemo-tab, :lang(zh) .skip-link,
:lang(zh) .video-cap, :lang(zh) .video-subs { font-size: 12.5px; letter-spacing: 0.02em; }
:lang(zh) svg text, :lang(zh) svg tspan { font-size: 13px; }
:lang(zh) .tl-date { color: rgba(255, 255, 255, 0.56) !important; }
:lang(zh) .pdemo-tab { color: rgba(255, 255, 255, 0.62) !important; }
:lang(zh) .pdemo-tab.active { color: #fff !important; }
.logo-mark, .logo-mark circle, .logo-mark path { color: inherit; }
.logo .logo-mark, .footer-logo .logo-mark { color: var(--text-primary); }
@media (max-width: 810px) {
.footer-bottom { justify-content: flex-start !important; text-align: left !important; }
}
@media (max-width: 1024px) {
.footer-inner { padding-left: 40px !important; padding-right: 40px !important; }
}
@media (max-width: 720px) {
.footer-inner { padding-left: 20px !important; padding-right: 20px !important; }
}
@media (min-width: 811px) {
.footer-top {
display: grid;
grid-template-columns: 1.6fr 1fr 1fr 1fr;
gap: 64px;
align-items: start;
}
.footer-brand { flex: none; width: auto; min-width: 0; }
.footer-cols  { display: contents; }
.footer-col   { width: auto; min-width: 0; }
}
.footer-bottom {
max-width: 1440px;
margin-left: auto;
margin-right: auto;
padding-left: 80px;
padding-right: 80px;
box-sizing: border-box;
}
@media (max-width: 1024px) {
.footer-bottom { padding-left: 40px; padding-right: 40px; }
}
@media (max-width: 720px) {
.footer-bottom { padding-left: 20px; padding-right: 20px; }
}
[data-theme="light"] footer .footer-status,
[data-theme="light"] footer .footer-status *,
[data-theme="light"] footer h4,
[data-theme="light"] footer .footer-col h4, [data-theme="light"] footer .footer-col h3,
[data-theme="light"] footer .footer-title,
[data-theme="light"] footer .footer-brand p,
[data-theme="light"] footer .footer-inner p,
[data-theme="light"] footer .footer-brand-info p { color: rgba(0, 0, 0, 0.62) !important; }
[data-theme="light"] footer a:link,
[data-theme="light"] footer a:visited,
[data-theme="light"] footer a,
[data-theme="light"] .footer-bottom a:link,
[data-theme="light"] .footer-bottom a:visited,
[data-theme="light"] .footer-bottom a,
[data-theme="light"] .footer-bottom span,
[data-theme="light"] .footer-bottom,
[data-theme="light"] footer .footer-col a:link,
[data-theme="light"] footer .footer-col a:visited,
[data-theme="light"] footer .meta,
[data-theme="light"] footer code { color: rgba(0, 0, 0, 0.7) !important; }
[data-theme="light"] footer a:hover,
[data-theme="light"] .footer-bottom a:hover { color: rgba(0, 0, 0, 0.95) !important; }
[data-theme="light"] .footer-status-dot { background: #1D4ED8 !important; }
[data-theme="light"] footer, [data-theme="light"] #v2 footer { border-top-color: var(--line) !important; }
[data-theme="light"] { --w-55: rgba(0, 0, 0, 0.62) !important; }
.footer-bottom {
justify-content: flex-start !important;
text-align: left !important;
gap: 8px !important;
flex-wrap: wrap;
}
.footer-bottom span[aria-hidden="true"] { display: inline !important; }
.footer-bottom a { text-decoration: none; }
.footer-bottom a:hover { text-decoration: underline; }
@media (max-width: 720px) {
.footer-bottom { gap: 6px !important; }
}
.footer-bottom .beian-gongan {
display: inline-flex; align-items: center; gap: 4px;
text-decoration: none; white-space: nowrap;
}
.footer-bottom .beian-gongan img {
width: 13px; height: 14px; display: block; flex: none;
filter: none;
}
.footer-bottom .beian-gongan:hover { text-decoration: underline; }
.footer-bottom .beian-gongan:hover img { text-decoration: none; }
#v2 .page {
max-width: 1344px !important;
margin-left: auto !important;
margin-right: auto !important;
padding-left: 80px !important;
padding-right: 80px !important;
box-sizing: border-box;
}
#v2 .hero .hd,
#v2 .sec-inner,
#v2 .hd {
max-width: none !important;
margin-left: 0 !important;
margin-right: 0 !important;
padding-left: 0 !important;
padding-right: 0 !important;
}
#v2 .hero .hd > .eyebrow,
#v2 .hero .hd > h1,
#v2 .hero .hd > .tagline,
#v2 .hero .hd > .lead,
#v2 .hero .hd > .ask,
#v2 .hero .hd > .examples,
#v2 .hero .hd > .page-ctas,
#v2 .hero .hd > p {
max-width: 820px;
margin-left: 0;
margin-right: 0;
}
#v2 > section.hero     { padding-top: 140px !important; padding-bottom: 80px !important; }
#v2 > section.sm       { padding-top: 96px  !important; padding-bottom: 96px  !important; }
#v2 > section.trust    { padding-top: 120px !important; padding-bottom: 96px  !important; }
#v2 > section.final    { padding-top: 140px !important; padding-bottom: 140px !important; }
#v2 > section:not([class]) { padding-top: 96px !important; padding-bottom: 120px !important; }
@media (min-width: 811px) {
#v2 > section.hero { min-height: calc(100svh - 72px); }
}
@media (max-width: 1024px) {
#v2 .page { padding-left: 40px !important; padding-right: 40px !important; }
}
@media (max-width: 810px) {
#v2 > section.hero     { padding-top: 96px !important; padding-bottom: 64px !important; }
#v2 > section.sm       { padding-top: 64px !important; padding-bottom: 64px !important; }
#v2 > section.trust    { padding-top: 80px !important; padding-bottom: 64px !important; }
#v2 > section.final    { padding-top: 88px !important; padding-bottom: 88px !important; }
#v2 > section:not([class]) { padding-top: 64px !important; padding-bottom: 80px !important; }
}
@media (max-width: 720px) {
#v2 .page { padding-left: 20px !important; padding-right: 20px !important; }
.nav-inner { padding-left: 20px !important; padding-right: 20px !important; }
}
#v2 h2:not(:last-child) { margin-bottom: 32px; }
#v2 h2 + .lead,
#v2 h2 + p,
#v2 h2 + ul,
#v2 h2 + ol { margin-top: 0; }
#v2 > section.hero > .hd {
max-width: 1440px !important;
margin-left: auto !important;
margin-right: auto !important;
padding-left: 80px !important;
padding-right: 80px !important;
box-sizing: border-box;
}
#v2 .page > .hd {
max-width: none !important;
margin-left: 0 !important;
margin-right: 0 !important;
padding-left: 0 !important;
padding-right: 0 !important;
}
@media (max-width: 1024px) {
#v2 > section.hero > .hd { padding-left: 40px !important; padding-right: 40px !important; }
}
@media (max-width: 720px) {
#v2 > section.hero > .hd { padding-left: 20px !important; padding-right: 20px !important; }
}
#v2 .eyebrow {
font-size: 18px !important;
font-weight: 500 !important;
letter-spacing: 1.08px !important;
line-height: 24px !important;
}
#v2 h1 { letter-spacing: -0.05em !important; }
#v2 .lead, #v2 .hero .lead {
font-size: 16px !important;
line-height: 25.6px !important;
}
#v2 > section.hero > .hd,
#v2 .page-head {
max-width: 1344px !important;
margin-left: auto !important;
margin-right: auto !important;
padding-left: 80px !important;
padding-right: 80px !important;
box-sizing: border-box;
}
#v2 .page > .hd {
max-width: none !important;
margin-left: 0 !important;
margin-right: 0 !important;
padding-left: 0 !important;
padding-right: 0 !important;
}
#v2 > section.sec      { padding-top: 96px  !important; padding-bottom: 120px !important; }
#v2 > section.demo-sec { padding-top: 96px  !important; padding-bottom: 96px  !important; }
#v2 > section.play-sec { padding-top: 96px  !important; padding-bottom: 120px !important; }
#v2 > section.trust    { padding-top: 120px !important; padding-bottom: 96px  !important; }
#v2 > section.final    { padding-top: 140px !important; padding-bottom: 140px !important; }
@media (max-width: 1024px) {
#v2 > section.hero > .hd, #v2 .page-head { padding-left: 40px !important; padding-right: 40px !important; }
}
@media (max-width: 810px) {
#v2 > section.sec      { padding-top: 64px !important; padding-bottom: 80px !important; }
#v2 > section.demo-sec { padding-top: 64px !important; padding-bottom: 64px !important; }
#v2 > section.play-sec { padding-top: 64px !important; padding-bottom: 80px !important; }
}
@media (max-width: 720px) {
#v2 > section.hero > .hd, #v2 .page-head { padding-left: 20px !important; padding-right: 20px !important; }
}