*,*::before,*::after{box-sizing:border-box}
:root{
  --ink:#001f3f;
  --ink-2:#183a5a;
  --muted:#66798d;
  --line:#dcdee6;
  --line-strong:rgba(0,31,63,.24);
  --canvas:#fff;
  --paper:#fff;
  --soft:#f6f8fb;
  --deep:#001f3f;
  --green:#009da8;
  --gold:#ffdc00;
  --rust:#5528d2;
  --blue:#3246ff;
  --focus:#5528d2;
  --shadow:0 28px 72px rgba(0,32,65,.12);
  --font-sans:"Noto Sans SC","Microsoft YaHei UI","PingFang SC","Source Han Sans SC","Segoe UI Variable","Segoe UI",Arial,sans-serif;
  --font-display:"Noto Sans SC","Microsoft YaHei UI","PingFang SC","Source Han Sans SC","Segoe UI Variable Display","Segoe UI",Arial,sans-serif;
  --font-mono:"Cascadia Mono","IBM Plex Mono","SFMono-Regular",Consolas,monospace;
}
html{scroll-behavior:smooth;background:var(--canvas);color:var(--ink);font-family:var(--font-sans);font-kerning:normal;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}
body{margin:0;min-height:100vh;background:var(--canvas);letter-spacing:0;overflow-x:clip}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;cursor:pointer;line-height:1.2}
h1,h2,h3{max-width:100%;text-wrap:balance}
p,li,em{overflow-wrap:anywhere;text-wrap:pretty}
button:focus-visible,a:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
.skip-link{position:fixed;left:16px;top:16px;z-index:200;transform:translateY(-140%);background:var(--ink);color:#fff;padding:10px 14px;border-radius:4px}
.skip-link:focus{transform:translateY(0)}

.portal-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
.utility-bar{min-height:36px;display:flex;align-items:center;justify-content:center;gap:14px;padding:6px 22px;background:var(--ink);color:#fff;font-size:13px;line-height:1.4}
.utility-bar a{color:#dff9fc;border-bottom:1px solid rgba(223,249,252,.5)}
.nav-shell{min-height:82px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:28px;padding:0 clamp(28px,5vw,96px)}
.brand{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-display);font-size:30px;font-weight:760;color:var(--blue);white-space:nowrap}
.brand-mark{position:relative;width:30px;height:30px;border:4px solid var(--blue);border-radius:50%;display:inline-block}
.brand-mark::before{content:"";position:absolute;left:4px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--canvas)}
.brand-mark::after{content:"";position:absolute;right:-7px;bottom:0;width:14px;height:5px;border-radius:999px;background:var(--blue);transform:rotate(-24deg)}
.primary-nav{display:flex;justify-content:center;align-items:stretch;gap:2px;height:82px}
.nav-item{position:static;display:flex;align-items:center}
.nav-trigger{height:82px;min-width:96px;display:inline-flex;align-items:center;justify-content:center;border:0;background:transparent;color:var(--ink-2);padding:0 15px;font-weight:650;font-size:15px;white-space:nowrap;transition:background .16s ease,color .16s ease}
.nav-trigger:hover,.nav-item.is-open .nav-trigger{color:var(--blue);background:rgba(50,70,255,.06)}
.mega-panel{position:absolute;left:0;right:0;top:119px;display:none;min-height:344px;background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line-strong);box-shadow:0 26px 64px rgba(27,35,32,.13)}
.nav-item.is-open .mega-panel{display:block}
.mega-inner{display:grid;grid-template-columns:1.08fr .9fr .82fr;gap:36px;min-height:344px;max-width:1480px;margin:0 auto;padding:38px clamp(26px,5vw,88px) 42px}
.mega-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 34px}
.mega-group h3,.mega-feature .content-type{margin:0 0 12px;color:var(--rust);font-family:var(--font-mono);font-size:12px;font-weight:650;line-height:1.4}
.mega-group a{min-height:44px;display:flex;align-items:center;border-top:1px solid var(--line);padding:10px 0;color:var(--ink);font-size:16px;line-height:1.35}
.mega-group a:hover{color:var(--blue)}
.mega-feature{border-left:4px solid var(--blue);padding:4px 0 4px 22px}
.mega-feature h2{margin:0;font-family:var(--font-display);font-size:34px;line-height:1.16;font-weight:650;letter-spacing:0}
.mega-feature p{margin:17px 0 0;color:var(--muted);font-size:16px;line-height:1.62}
.mega-cta{display:inline-flex;align-items:center;justify-content:center;min-width:132px;min-height:42px;margin-top:22px;border:1px solid var(--ink);border-radius:4px;background:var(--ink);color:#fff;padding:9px 16px;font-weight:650;transition:background .16s ease,border-color .16s ease,color .16s ease}
.mega-cta:hover{background:var(--blue);border-color:var(--blue)}
.mega-visual{align-self:stretch;min-height:250px;display:grid;grid-template-rows:minmax(0,1fr) auto;gap:14px}
.mega-visual img{width:100%;height:100%;min-height:230px;object-fit:cover;border:1px solid var(--line)}
.mega-visual span{color:var(--muted);font-size:13px;line-height:1.45}
.nav-actions{display:flex;align-items:center;gap:12px;justify-content:flex-end}
.language-toggle{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:6px;background:#fff;padding:3px}
.language-toggle button{min-width:44px;min-height:32px;border:0;border-radius:4px;background:transparent;color:var(--muted);font-size:13px;font-weight:650;white-space:nowrap}
.language-toggle button.active{background:var(--ink);color:#fff}
.console-link{min-width:86px;min-height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:6px;background:#fff;padding:8px 13px;font-size:14px;font-weight:650;color:var(--ink-2);white-space:nowrap;transition:border-color .16s ease,color .16s ease}
.console-link:hover{border-color:var(--blue);color:var(--blue)}
.mobile-menu-button{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:4px;background:#fff;padding:9px}
.mobile-menu-button span{display:block;height:2px;margin:5px 0;background:var(--ink)}

.hero-section{position:relative;min-height:72svh;overflow:hidden;background:linear-gradient(180deg,#fff 0%,#f6f8fb 100%);border-bottom:1px solid var(--line);padding:clamp(80px,10vw,132px) clamp(24px,6vw,108px) 42px}
.particle-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.9}
.hero-scene{position:absolute;right:-8vw;bottom:-3vw;width:min(940px,64vw);height:auto;opacity:.22;filter:saturate(1.08) contrast(1.04);mix-blend-mode:multiply;pointer-events:none}
.hero-content{position:relative;z-index:2;max-width:980px}
.eyebrow,.section-kicker{margin:0;color:var(--rust);font-family:var(--font-mono);font-size:13px;font-weight:650;line-height:1.4}
.hero-content h1{max-width:940px;margin:20px 0 0;font-family:var(--font-display);font-size:clamp(48px,6.4vw,92px);line-height:1.06;font-weight:680;letter-spacing:0;color:var(--ink)}
.hero-copy{max-width:760px;margin:26px 0 0;color:var(--ink-2);font-size:clamp(18px,2vw,25px);line-height:1.55}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.primary-action,.secondary-action,.inverse-action{min-width:132px;min-height:47px;display:inline-flex;align-items:center;justify-content:center;border-radius:4px;padding:11px 18px;font-weight:650;line-height:1.2;text-align:center;transition:background .16s ease,border-color .16s ease,color .16s ease}
.primary-action{background:var(--ink);border:1px solid var(--ink);color:#fff}
.secondary-action{background:#fff;border:1px solid var(--line-strong);color:var(--ink)}
.primary-action:hover{background:var(--blue);border-color:var(--blue)}
.secondary-action:hover{border-color:var(--blue);color:var(--blue)}
.hero-metrics{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));max-width:860px;margin-top:58px;border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line)}
.hero-metrics div{min-height:108px;display:flex;flex-direction:column;justify-content:center;padding:19px 28px 18px 0;border-right:1px solid var(--line)}
.hero-metrics div:last-child{border-right:0}
.hero-metrics strong{display:block;font-family:var(--font-display);font-size:42px;font-weight:680;line-height:1;color:var(--blue)}
.hero-metrics span{display:block;margin-top:8px;color:var(--muted);font-size:14px;line-height:1.45}

.impact-section,.gateway-section{padding:76px clamp(24px,6vw,108px);background:var(--canvas)}
.section-lead{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.75fr);gap:44px;align-items:end;margin-top:14px}
.section-lead h2{margin:0;font-family:var(--font-display);font-size:clamp(38px,5vw,68px);line-height:1.12;font-weight:680;letter-spacing:0}
.section-lead p{margin:0;color:var(--muted);font-size:18px;line-height:1.65}
.impact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:44px;border-top:1px solid var(--line-strong)}
.impact-grid article{min-width:0;min-height:520px;display:flex;flex-direction:column;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;padding:0 24px 28px}
.impact-grid article:last-child{border-right:0}
.impact-grid img{width:calc(100% + 48px);max-width:none;height:260px;margin:0 -24px 24px;object-fit:cover;border-bottom:1px solid var(--line)}
.content-type{color:var(--rust);font-family:var(--font-mono);font-size:12px;font-weight:650;line-height:1.4}
.impact-grid h3{min-height:66px;margin:12px 0 0;font-family:var(--font-display);font-size:28px;line-height:1.22;font-weight:650;letter-spacing:0}
.impact-grid p{margin:16px 0 0;color:var(--muted);font-size:15px;line-height:1.66}

.answer-section{display:grid;grid-template-columns:minmax(0,.9fr) minmax(360px,1.1fr);gap:54px;align-items:center;padding:82px clamp(24px,6vw,108px);background:var(--deep);color:#fff}
.answer-section .section-kicker{color:#78e5ef}
.answer-copy h2{margin:14px 0 0;font-family:var(--font-display);font-size:clamp(40px,5vw,68px);line-height:1.12;font-weight:680;letter-spacing:0}
.answer-copy p{max-width:680px;margin:22px 0 0;color:rgba(255,255,255,.78);font-size:18px;line-height:1.66}
.inverse-action{margin-top:28px;background:#fff;border:1px solid #fff;color:var(--ink)}
.inverse-action:hover{background:var(--gold);border-color:var(--gold)}
.answer-panel{min-height:372px;background:#fff;color:var(--ink);border:1px solid rgba(255,255,255,.22);border-radius:6px;padding:22px;box-shadow:0 24px 70px rgba(0,0,0,.24)}
.panel-topline{display:flex;gap:7px;border-bottom:1px solid var(--line);padding-bottom:16px}
.panel-topline span{width:10px;height:10px;border-radius:50%;background:var(--blue)}
.panel-topline span:nth-child(2){background:var(--green)}
.panel-topline span:nth-child(3){background:var(--gold)}
.answer-question{margin-top:20px;border-left:4px solid var(--blue);background:var(--soft);padding:16px 18px;font-size:19px;line-height:1.48}
.answer-row{display:grid;grid-template-columns:172px minmax(0,1fr);gap:22px;min-height:74px;padding:18px 0;border-bottom:1px solid var(--line)}
.answer-row:last-child{border-bottom:0}
.answer-row b{font-size:15px;line-height:1.45}
.answer-row span{color:var(--muted);font-size:15px;line-height:1.58}

.gateway-list{margin-top:42px;border-top:1px solid var(--line-strong)}
.gateway-item{display:grid;grid-template-columns:72px minmax(240px,.68fr) minmax(0,1fr);gap:28px;align-items:center;min-height:124px;border-bottom:1px solid var(--line);background:transparent;transition:background .16s ease,color .16s ease}
.gateway-item:hover{background:#fff;color:var(--blue)}
.gateway-item span{color:var(--rust);font-family:var(--font-mono);font-size:13px;font-weight:650}
.gateway-item strong{font-family:var(--font-display);font-size:28px;line-height:1.2;font-weight:650}
.gateway-item em{font-style:normal;color:var(--muted);font-size:16px;line-height:1.55}

.portal-footer{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:end;padding:54px clamp(24px,6vw,108px);background:var(--ink);color:#fff}
.footer-brand{color:#fff}
.footer-brand .brand-mark{border-color:#fff}
.footer-brand .brand-mark::before{background:var(--ink)}
.footer-brand .brand-mark::after{background:#fff}
.portal-footer p{max-width:720px;margin:18px 0 0;color:rgba(255,255,255,.7);font-size:15px;line-height:1.62}
.footer-links{display:flex;flex-wrap:wrap;gap:14px}
.footer-links a{min-height:38px;display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.22);border-radius:4px;padding:8px 13px;color:#fff;font-size:14px}
.footer-links a:hover{border-color:#78e5ef;color:#78e5ef}

@media (hover:hover) and (min-width:981px){
  .nav-item:hover .mega-panel{display:block}
}
@media (max-width:1120px){
  .nav-shell{grid-template-columns:minmax(0,1fr) auto;min-height:68px}
  .brand{min-width:0}
  .mobile-menu-button{display:block;justify-self:end}
  .primary-nav{display:none;grid-column:1/-1;height:auto;align-items:stretch;justify-content:stretch;flex-direction:column;border-top:1px solid var(--line)}
  .portal-header.menu-open .primary-nav{display:flex}
  .nav-item{display:block;border-bottom:1px solid var(--line)}
  .nav-trigger{width:100%;height:54px;text-align:left;padding:0 4px;background:transparent}
  .mega-panel{position:static;box-shadow:none;border-bottom:0;background:#fff}
  .nav-item.is-open .mega-panel{display:block}
  .mega-inner{grid-template-columns:1fr;padding:20px 0 26px}
  .mega-groups{grid-template-columns:1fr 1fr;gap:18px 24px}
  .mega-feature{padding-left:16px}
  .mega-feature h2{font-size:28px}
  .mega-visual{display:none}
  .nav-actions{grid-column:1/-1;width:100%;justify-content:flex-start;padding-bottom:16px}
  .mega-panel{top:auto}
}
@media (max-width:820px){
  .utility-bar{justify-content:flex-start;align-items:flex-start;flex-wrap:wrap;gap:8px 14px;padding:8px 18px}
  .utility-bar span{min-width:0;flex:1 1 100%}
  .utility-bar a{flex:0 0 auto}
  .nav-shell{padding:0 18px;gap:14px}
  .brand{font-size:24px}
  .brand-mark{width:25px;height:25px;border-width:3px}
  .hero-section{min-height:auto;padding:64px 18px 34px}
  .hero-content,.hero-copy{max-width:100%}
  .hero-scene{width:110vw;right:-46vw;bottom:10px;opacity:.13}
  .hero-actions{display:grid;grid-template-columns:1fr}
  .primary-action,.secondary-action,.inverse-action{width:100%}
  .hero-metrics{grid-template-columns:1fr;margin-top:42px}
  .hero-metrics div{border-right:0;border-bottom:1px solid var(--line);min-height:78px;padding:17px 0}
  .hero-metrics div:last-child{border-bottom:0}
  .section-lead,.answer-section{grid-template-columns:1fr;gap:26px}
  .impact-section,.gateway-section,.answer-section{padding:56px 18px}
  .impact-grid{grid-template-columns:1fr}
  .impact-grid article{border-right:0;padding-bottom:26px}
  .impact-grid img{height:220px}
  .answer-row{grid-template-columns:1fr;gap:6px}
  .gateway-item{grid-template-columns:52px minmax(0,1fr);gap:14px;align-items:start;padding:20px 0}
  .gateway-item em{grid-column:2}
  .portal-footer{grid-template-columns:1fr;padding:44px 18px}
  .footer-links{display:grid;grid-template-columns:1fr}
  .mega-groups{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}