:root{
  --blue:#0b38f0;
  --blue2:#0730d8;
  --ink:#10131a;
  --text:#313744;
  --muted:#6f7683;
  --line:#e7eaf0;
  --soft:#f7f8fa;
  --softblue:#f4f7ff;
  --white:#fff;
  --radius:22px;
  --shadow:0 20px 70px rgba(18,35,90,.08);
  --shell:min(1220px, calc(100vw - 48px));
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:Inter,"SF Pro Display","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
button,a{font:inherit}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
.skip-link{position:absolute;left:-9999px;top:10px;z-index:999;background:#fff;padding:10px 14px;border:1px solid var(--line)}
.skip-link:focus{left:10px}
.shell{width:var(--shell);margin:0 auto}
.section{padding:138px 0}
.section-rule{border-top:1px solid var(--line)}
.section-tint{background:var(--soft)}
.eyebrow{font-size:12px;letter-spacing:.18em;font-weight:700;color:var(--blue);margin-bottom:22px}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid transparent;transition:.25s}
.site-header.scrolled{border-bottom-color:var(--line)}
.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:10px;min-width:max-content}
.brand img{width:42px;height:42px;object-fit:contain}
.brand-type{display:flex;flex-direction:column;line-height:1.1}
.brand-type strong{font-size:16px;letter-spacing:-.02em}
.brand-type span{font-size:11px;color:var(--muted);margin-top:5px}
.desktop-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.desktop-nav a{font-size:13px;color:#4a5260;transition:.2s}
.desktop-nav a:hover{color:var(--blue)}
.header-actions{display:flex;align-items:center;gap:12px}
.text-button{border:0;background:transparent;color:#4b5360;padding:10px 4px}
.text-button:hover{color:var(--blue)}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:999px;border:1px solid transparent;font-size:14px;font-weight:650;transition:.22s ease}
.button-primary{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(11,56,240,.18)}
.button-primary:hover{background:var(--blue2);transform:translateY(-1px)}
.button-ghost{background:#fff;border-color:#dce1ea;color:#161a22}
.button-ghost:hover{border-color:#b9c4e5;color:var(--blue);transform:translateY(-1px)}
.menu-button{display:none;width:44px;height:44px;border:0;background:transparent;padding:10px}
.menu-button span{display:block;height:2px;background:var(--ink);margin:5px 0}
.mobile-drawer{display:none}
.hero{padding-top:100px;padding-bottom:126px;min-height:760px;display:flex;align-items:center}
.hero-grid{display:grid;grid-template-columns:1.14fr .86fr;gap:74px;align-items:center}
.hero h1{font-size:72px;line-height:1.05;letter-spacing:-.055em;margin:0 0 24px;font-weight:720}
.hero-en{font-size:22px;line-height:1.35;color:#252b37;font-weight:540;margin-bottom:38px}
.hero-lead{font-size:24px;line-height:1.62;max-width:650px;margin:0 0 16px;font-weight:520}
.hero-support{font-size:15px;line-height:1.7;color:var(--muted);max-width:620px;margin:0 0 34px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-visual{position:relative}
.hero-visual-topline{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.15em;color:#8a92a1;margin-bottom:12px}
.compile-board{height:520px;position:relative;border:1px solid var(--line);border-radius:30px;overflow:hidden;background:linear-gradient(180deg,#fff 0%,#fbfcff 100%);box-shadow:var(--shadow)}
.board-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(15,30,70,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(15,30,70,.035) 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(to bottom,black 0%,rgba(0,0,0,.7) 70%,transparent 100%)}
.pipeline-svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
/* 英文模式：拉丁文本使用较宽松字距（默认字距为中文优化） */
html[lang="en"] .hero h1{letter-spacing:-.035em}
html[lang="en"] .section-heading h2,html[lang="en"] .native-copy h2{letter-spacing:-.03em}
.pipeline-base{fill:none;stroke:#e5e9f3;stroke-width:3}
.pipeline-flow{fill:none;stroke:var(--blue);stroke-width:3;stroke-dasharray:18 14;animation:flow 8s linear infinite;filter:url(#softGlow)}
.pulse-node{fill:#fff;stroke:var(--blue);stroke-width:3;animation:pulse 2.8s ease-in-out infinite}
.n2{animation-delay:.3s}.n3{animation-delay:.6s}.n4{animation-delay:.9s}
@keyframes flow{to{stroke-dashoffset:-256}}
@keyframes pulse{0%,100%{r:6;opacity:.75}50%{r:9;opacity:1}}
.compile-node{position:absolute;width:178px;background:rgba(255,255,255,.94);border:1px solid #dfe5f4;border-radius:16px;padding:14px 15px;box-shadow:0 12px 30px rgba(25,45,95,.08)}
.compile-node small{display:block;color:var(--blue);font-weight:700;font-size:10px;letter-spacing:.12em;margin-bottom:7px}
.compile-node strong{display:block;font-size:13px}
.compile-node span{display:block;color:var(--muted);font-size:11px;margin-top:5px}
.node-intent{left:6%;top:7%}.node-semantics{left:28%;top:23%}.node-check{left:51%;top:39%}.node-exec{right:5%;top:56%}.node-verify{left:34%;bottom:8%}
.asset-chip{position:absolute;right:6%;bottom:10%;display:flex;align-items:center;gap:11px;background:#fff;border:1px solid #dfe5f4;border-radius:999px;padding:10px 15px;box-shadow:0 10px 25px rgba(25,45,95,.07)}
.asset-chip small{font-size:9px;color:var(--muted);letter-spacing:.12em;display:block}
.asset-chip strong{font-size:11px;display:block;margin-top:2px}
.asset-dot{width:9px;height:9px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 6px rgba(11,56,240,.08)}
.visual-caption{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:12px;font-size:10px;letter-spacing:.1em;color:#8b92a0;text-align:center}
.section-heading{max-width:840px;margin-bottom:56px}
.section-heading.narrow{max-width:760px}
.section-heading h2{font-size:50px;line-height:1.14;letter-spacing:-.045em;margin:0 0 22px}
.section-heading p{font-size:18px;line-height:1.75;color:var(--text);margin:0;max-width:790px}
.insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.insight-card{min-height:360px;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;transition:.25s;background:#fff}
.insight-card:hover{transform:translateY(-5px);border-color:#cdd6f4;box-shadow:var(--shadow)}
.card-index{font-size:11px;color:var(--blue);font-weight:700;letter-spacing:.14em;margin-bottom:68px}
.insight-card h3{font-size:25px;line-height:1.18;margin:0 0 8px;letter-spacing:-.025em}
.insight-card h4{font-size:16px;margin:0 0 18px}
.insight-card p{font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 28px}
.arrow-link{margin-top:auto;color:var(--blue);font-size:13px;font-weight:700;display:inline-flex;align-items:center;gap:8px}
.arrow-link span{transition:.2s}.arrow-link:hover span{transform:translateX(4px)}
.button-link{border:0;background:transparent;padding:0;text-align:left}
.architecture-section{overflow:hidden}
.architecture-rail{display:grid;grid-template-columns:1fr 54px 1fr 54px 1fr 54px 1fr 54px 1fr 54px 1.05fr;align-items:center}
.arch-node{border:1px solid var(--line);border-radius:18px;padding:18px 14px;min-height:126px;display:flex;flex-direction:column;justify-content:center;background:#fff}
.arch-node-final{border-color:#b8c6fb;background:var(--softblue)}
.arch-num{font-size:10px;color:var(--blue);font-weight:700;margin-bottom:12px}
.arch-node strong{font-size:14px}
.arch-node span{font-size:11px;color:var(--muted);margin-top:6px}
.arch-connector{height:1px;background:#d7dcea;position:relative}
.arch-connector span{position:absolute;right:-1px;top:-3px;width:7px;height:7px;border-top:1px solid #a9b5d9;border-right:1px solid #a9b5d9;transform:rotate(45deg)}
.center-action{text-align:center;margin-top:44px}
.platform-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.platform-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;min-height:300px;display:flex;flex-direction:column;transition:.25s}
.platform-card:hover{border-color:#c5d0f7;transform:translateY(-4px);box-shadow:var(--shadow)}
.platform-card-top{display:flex;justify-content:space-between;align-items:start;margin-bottom:46px}
.status{font-size:9px;letter-spacing:.11em;font-weight:750;padding:7px 10px;border-radius:999px}
.status-core{color:var(--blue);background:#eef2ff}
.status-dev{color:#5d6470;background:#eef0f4}
.monogram{font-size:11px;font-weight:800;color:#a0a7b3;letter-spacing:.12em}
.platform-card h3{font-size:30px;margin:0 0 4px}
.card-subtitle{font-size:13px;color:#4c5564;margin:0 0 24px!important}
.platform-card p{font-size:15px;line-height:1.7;color:var(--muted);margin:0 0 28px;max-width:520px}
.extension-rail{display:grid;grid-template-columns:repeat(4,1fr);margin-top:22px;border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}
.extension-rail span{padding:18px;text-align:center;font-size:12px;font-weight:650;border-right:1px solid var(--line)}
.extension-rail span:last-child{border-right:0}
.status-note{text-align:center;color:#888f9b;font-size:11px;margin-top:16px}
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.solution-card{border:1px solid var(--line);border-radius:24px;padding:32px;min-height:380px;display:flex;flex-direction:column;background:#fff;transition:.25s}
.solution-card:hover{border-color:#c5d0f7;transform:translateY(-4px);box-shadow:var(--shadow)}
.physical-card{background:linear-gradient(145deg,#fff 55%,#f6f8ff)}
.solution-code{font-size:10px;color:var(--blue);font-weight:750;letter-spacing:.12em;margin-bottom:54px}
.solution-card h3{font-size:27px;margin:0 0 8px}
.solution-card h4{font-size:16px;line-height:1.5;margin:0 0 20px}
.solution-card ul{list-style:none;padding:0;margin:0 0 30px;display:flex;flex-wrap:wrap;gap:8px}
.solution-card li{font-size:11px;color:#68707e;border:1px solid var(--line);border-radius:999px;padding:7px 10px;background:#fafbfc}
.trust-section{background:#f8f9fb}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-item{padding:32px 26px;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:0}
.trust-item span{font-size:10px;color:var(--blue);font-weight:750}
.trust-item strong{display:block;font-size:16px;margin:56px 0 8px}
.trust-item h4{font-size:21px;margin:0 0 16px}
.trust-item p{font-size:13px;line-height:1.7;color:var(--muted);margin:0}
.native-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:72px;align-items:start}
.native-copy h2{font-size:50px;line-height:1.12;letter-spacing:-.045em;margin:0 0 24px}
.native-copy p{font-size:17px;line-height:1.8;color:var(--text);margin:0 0 30px}
.native-features{border-top:1px solid var(--line)}
.native-features>div{display:grid;grid-template-columns:38px 1fr;column-gap:14px;padding:24px 0;border-bottom:1px solid var(--line)}
.native-features span{font-size:10px;color:var(--blue);font-weight:750}
.native-features strong{font-size:18px}
.native-features p{grid-column:2;font-size:13px;color:var(--muted);margin:6px 0 0}
.research-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.research-card{border-top:2px solid var(--ink);padding:24px 4px 6px;min-height:330px;display:flex;flex-direction:column}
.research-type{font-size:9px;color:var(--blue);font-weight:750;letter-spacing:.14em;margin-bottom:58px}
.research-card h3{font-size:24px;line-height:1.25;margin:0 0 16px;letter-spacing:-.02em}
.research-card p{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 28px}
.developer-strip{display:flex;align-items:center;justify-content:space-between;gap:60px}
.developer-strip h2{font-size:38px;line-height:1.2;max-width:780px;margin:0}
.company-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.company-card{border:1px solid var(--line);border-radius:22px;padding:28px;min-height:280px}
.company-card span{font-size:10px;color:var(--blue);font-weight:750;letter-spacing:.14em}
.company-card h3{font-size:23px;line-height:1.45;margin:78px 0 0}
.company-card p{font-size:13px;color:var(--muted);line-height:1.7}
.final-cta{padding:140px 0;background:linear-gradient(180deg,#fff,#f7f9ff);border-top:1px solid var(--line)}
.final-cta-inner{text-align:center;max-width:900px}
.final-cta h2{font-size:58px;letter-spacing:-.045em;line-height:1.08;margin:0 0 20px}
.final-cta p{font-size:22px;color:#343b48;margin:0 0 38px}
.final-cta .hero-actions{justify-content:center}
.footer{border-top:1px solid var(--line);padding:70px 0 26px}
.footer-grid{display:grid;grid-template-columns:2.2fr repeat(4,1fr);gap:44px}
.footer-grid>div:not(.footer-brand){display:flex;flex-direction:column;gap:12px}
.footer-grid strong{font-size:12px}
.footer-grid a,.footer-grid button{font-size:12px;color:#6e7683;border:0;background:transparent;padding:0;text-align:left}
.footer-grid a:hover,.footer-grid button:hover{color:var(--blue)}
.footer-brand p{font-size:13px;margin:20px 0 4px}
.muted{color:var(--muted)}
.footer-logo img{width:38px;height:38px}
.footer-bottom{margin-top:54px;padding-top:22px;border-top:1px solid var(--line);display:flex;gap:24px;align-items:center;justify-content:space-between;color:#8a919d;font-size:10px}
.footer-bottom div{display:flex;gap:16px}.footer-bottom button{border:0;background:transparent;color:#8a919d;font-size:10px}
.modal-backdrop{position:fixed;inset:0;background:rgba(10,14,25,.35);backdrop-filter:blur(5px);z-index:1990;opacity:0;pointer-events:none;transition:.25s}
.modal-backdrop.open{opacity:1;pointer-events:auto}
.modal{position:fixed;z-index:2000;top:50%;left:50%;transform:translate(-50%,-46%);width:min(720px,calc(100vw - 32px));max-height:80vh;overflow:auto;border:1px solid var(--line);border-radius:26px;padding:38px;background:#fff;box-shadow:0 35px 100px rgba(15,25,60,.22);opacity:0;pointer-events:none;transition:.25s}
.modal[open]{opacity:1;pointer-events:auto;transform:translate(-50%,-50%)}
.modal::backdrop{background:transparent}
.modal-close{position:absolute;top:18px;right:18px;width:36px;height:36px;border:1px solid var(--line);border-radius:50%;background:#fff;font-size:22px;color:#555}
.modal h2{font-size:34px;letter-spacing:-.035em;margin:0 40px 16px 0}
.modal p{color:var(--text);line-height:1.75}
.modal .modal-kicker{font-size:10px;color:var(--blue);font-weight:750;letter-spacing:.14em;margin-bottom:14px}
.modal-list{padding:0;list-style:none;margin:26px 0}
.modal-list li{padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}
.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.contact-form input,.contact-form textarea{width:100%;border:1px solid #dfe3ea;border-radius:12px;padding:13px 14px;font:inherit}
.contact-form textarea{grid-column:1/-1;min-height:110px;resize:vertical}
.contact-form button{grid-column:1/-1}
.form-note{font-size:11px!important;color:#8b929d!important}
.form-note.error{color:#c0392b!important}
.icp{font-size:12px;color:#8b929d;text-decoration:none}
.icp:hover{color:var(--blue)}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.reveal.in-view{opacity:1;transform:none}
.delay-1{transition-delay:.08s}.delay-2{transition-delay:.16s}.delay-3{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.pipeline-flow,.pulse-node{animation:none}
}
@media (max-width:1080px){
  .desktop-nav{gap:18px}.desktop-nav a{font-size:12px}
  .hero-grid{grid-template-columns:1fr;gap:54px}.hero{padding-top:70px}
  .hero-visual{max-width:720px;width:100%;margin:auto}
  .architecture-rail{grid-template-columns:1fr;gap:10px}.arch-connector{height:34px;width:1px;margin:auto}.arch-connector span{display:none}
  .arch-node{min-height:auto;text-align:center}
  .trust-grid{grid-template-columns:repeat(2,1fr)}.trust-item:nth-child(2){border-right:0}.trust-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media (max-width:820px){
  :root{--shell:min(100% - 40px,760px)}
  .desktop-nav,.desktop-only{display:none}
  .menu-button{display:block}
  .mobile-drawer{display:block;position:absolute;top:78px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:20px;opacity:0;pointer-events:none;transform:translateY(-8px);visibility:hidden;transition:opacity .2s,transform .2s,visibility 0s .2s}
  .mobile-drawer.open{opacity:1;pointer-events:auto;transform:none;visibility:visible;transition:opacity .2s,transform .2s}
  .mobile-drawer nav{display:flex;flex-direction:column}.mobile-drawer a{padding:14px 4px;border-bottom:1px solid var(--line);font-size:15px}
  .drawer-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
  .section{padding:92px 0}.hero{padding:72px 0 90px;min-height:auto}
  .hero h1{font-size:50px}.hero-en{font-size:18px}.hero-lead{font-size:20px}
  .compile-board{height:480px}
  .insight-grid,.platform-grid,.solution-grid,.research-grid,.company-grid{grid-template-columns:1fr}
  .insight-card{min-height:310px}.card-index{margin-bottom:38px}
  .extension-rail{grid-template-columns:1fr 1fr}.extension-rail span:nth-child(2){border-right:0}.extension-rail span:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .native-grid{grid-template-columns:1fr;gap:42px}
  .developer-strip{align-items:flex-start;flex-direction:column}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  :root{--shell:calc(100vw - 40px)}
  .header-inner{height:70px}.mobile-drawer{top:70px}.brand img{width:37px;height:37px}
  .section{padding:78px 0}.hero{padding-top:58px}
  .hero h1{font-size:43px;line-height:1.08}.hero-en{font-size:16px;margin-bottom:28px}.hero-lead{font-size:18px}
  .hero-support{font-size:13px}.hero-actions{display:grid;grid-template-columns:1fr 1fr}.hero-actions .button{width:100%}
  .hero-visual-topline{font-size:8px}
  .compile-board{height:500px}
  .compile-node{width:145px;padding:11px}.compile-node strong{font-size:11px}.compile-node span{font-size:9px}
  .node-intent{left:5%;top:6%}.node-semantics{left:31%;top:24%}.node-check{left:4%;top:43%}.node-exec{right:5%;top:58%}.node-verify{left:8%;bottom:8%}.asset-chip{right:4%;bottom:11%;max-width:150px}
  .section-heading h2,.native-copy h2{font-size:34px}.section-heading p,.native-copy p{font-size:15px}
  .trust-grid{grid-template-columns:1fr}.trust-item{border-right:0!important;border-bottom:1px solid var(--line)!important}.trust-item:last-child{border-bottom:0!important}
  .trust-item strong{margin-top:34px}
  .extension-rail{grid-template-columns:1fr}.extension-rail span{border-right:0;border-bottom:1px solid var(--line)}.extension-rail span:last-child{border-bottom:0}
  .final-cta{padding:96px 0}.final-cta h2{font-size:40px}.final-cta p{font-size:18px}.final-cta .hero-actions{grid-template-columns:1fr}.final-cta .text-button{grid-column:1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px 22px}
  .contact-form{grid-template-columns:1fr}.contact-form textarea,.contact-form button{grid-column:1}
}