.ultra-landing{--bg-void:#101110;--bg-base:#141615;--bg-raised:#191c1a;--bg-high:#222522;--bg-peak:#2d322e;--ink-0:#f7faf7;--ink-1:#e7ece7;--ink-2:#aeb8ae;--ink-3:#7f8a80;--ink-4:#565f57;--line-1:#474e48e6;--line-2:#4c544d80;--soul:#8ee66b;--soul-dim:#6ec952;--soul-bright:#a7ff82;--soul-glow:#8ee66b2e;--soul-ink:#162415;--amber:#d9a852;--amber-dim:#d9a85226;--danger:#d9534f;--danger-dim:#d9534f1f;--font-display:"Geist Mono", "SF Mono", ui-monospace, Menlo, monospace;--font-body:"Geist", -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono:"Geist Mono", ui-monospace, Menlo, monospace;--font-cn:"PingFang SC", "Hiragino Sans GB", "Microsoft Yahei", "Source Han Sans CN", sans-serif;--fs-hero:clamp(48px, 6.5vw, 96px);--fs-display:clamp(32px, 4.5vw, 56px);--fs-h1:32px;--fs-h2:24px;--fs-h3:20px;--fs-lead:18px;--fs-body:16px;--fs-sm:13px;--fs-xs:11px;--r-1:6px;--r-2:12px;--r-3:16px;--r-4:24px;--r-full:9999px;--bp-sm:640px;--bp-md:860px;--bp-lg:1120px;--bp-xl:1440px;--w-prose:720px;--w-narrow:960px;--w-page:1200px;--w-wide:1440px;--h-sm:28px;--h-md:36px;--h-lg:44px;--h-xl:56px;--s-1:4px;--s-2:8px;--s-3:12px;--s-4:16px;--s-5:24px;--s-6:32px;--s-7:48px;--s-8:64px;--s-9:96px;--s-10:128px;--ease-out:cubic-bezier(.22, .61, .36, 1);--ease-in:cubic-bezier(.55, .08, .68, .53);--ease-spring:cubic-bezier(.34, 1.56, .64, 1);--t-fast:.12s;--t-base:.2s;--t-slow:.4s;--shadow-soft:0 1px 0 0 #ffffff0a inset, 0 8px 24px -8px #00000080;--shadow-pop:0 0 0 1px var(--line-1) inset, 0 16px 40px -12px #0009;--shadow-soul:0 0 0 1px var(--soul) inset, 0 0 32px -4px var(--soul-glow);--grid-size:48px;--grid-line:#ffffff06}@supports (color:oklch(0.82 0.18 130)){.ultra-landing{--bg-void:oklch(11% .004 140);--bg-base:oklch(14% .005 140);--bg-raised:oklch(17% .006 140);--bg-high:oklch(21% .008 140);--bg-peak:oklch(26% .01 140);--ink-0:oklch(98% .005 120);--ink-1:oklch(92% .005 120);--ink-2:oklch(72% .008 120);--ink-3:oklch(55% .01 120);--ink-4:oklch(38% .01 120);--line-1:oklch(28% .012 140/.9);--line-2:oklch(30% .012 140/.5);--soul:oklch(82% .18 130);--soul-dim:oklch(70% .16 130);--soul-bright:oklch(90% .2 130);--soul-glow:oklch(82% .18 130/.18);--soul-ink:oklch(15% .05 140);--amber:oklch(78% .14 70);--amber-dim:oklch(78% .14 70/.15);--danger:oklch(68% .19 25);--danger-dim:oklch(68% .19 25/.12);--shadow-soft:0 1px 0 0 oklch(100% 0 0/.04) inset, 0 8px 24px -8px #00000080;--grid-line:oklch(100% 0 0/.025)}}.ultra-landing .t-display{font-family:var(--font-display);letter-spacing:-.02em;font-weight:500}.ultra-landing .t-hero{font-size:var(--fs-hero);letter-spacing:-.035em;line-height:1.02;font-family:var(--font-display);font-weight:500}.ultra-landing .t-h1{font-size:var(--fs-h1);letter-spacing:-.02em;font-weight:600;line-height:1.15}.ultra-landing .t-h3{font-size:var(--fs-h3);font-weight:600;line-height:1.3}.ultra-landing .t-lead{font-size:var(--fs-lead);color:var(--ink-2);line-height:1.55}.ultra-landing .t-body{font-size:var(--fs-body);line-height:1.55}.ultra-landing .t-sm{font-size:var(--fs-sm);line-height:1.45}.ultra-landing .t-label{font-family:var(--font-mono);font-size:var(--fs-xs);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}.ultra-landing .ink-2{color:var(--ink-2)}.ultra-landing .ink-3{color:var(--ink-3)}.ultra-landing .soul-color{color:var(--soul)}.ultra-landing .lead-block-sm{background:var(--soul);width:8px;height:8px;margin-right:var(--s-2);vertical-align:middle;display:inline-block}.ultra-landing .container{max-width:var(--w-page);padding-left:var(--s-6);padding-right:var(--s-6);width:100%;margin:0 auto}.ultra-landing .container-prose{max-width:var(--w-prose);padding-left:var(--s-6);padding-right:var(--s-6);width:100%;margin:0 auto}.ultra-landing .section{padding-top:var(--s-9);padding-bottom:var(--s-9)}.ultra-landing .section-tight,.ultra-landing .section{padding-top:var(--s-8);padding-bottom:var(--s-8);padding-top:var(--s-7);padding-bottom:var(--s-7)}.ultra-landing .btn-xl{height:var(--h-lg);padding:0 var(--s-5);font-size:var(--fs-lead)}.ultra-landing .btn{cursor:pointer;font-family:var(--font-body);font-size:var(--fs-body);height:var(--h-md);border-radius:var(--r-2);transition:background var(--t-fast) var(--ease-out), color var(--t-fast) var(--ease-out), transform var(--t-fast) var(--ease-out);white-space:nowrap;-webkit-user-select:none;user-select:none;border:none;justify-content:center;align-items:center;gap:8px;padding:0 16px;font-weight:500;display:inline-flex}.ultra-landing .btn:active{transform:translateY(1px)}.ultra-landing .btn-soul{background:var(--soul);color:var(--soul-ink);font-weight:600}.ultra-landing .btn-soul:hover{background:var(--soul-bright)}.ultra-landing .btn-ghost{color:var(--ink-1);border:1px solid var(--line-1);background:0 0}.ultra-landing .btn-ghost:hover{background:var(--bg-raised);border-color:#ffffff2e;border-color:oklch(100% 0 0/.18)}.ultra-landing .btn-xl{height:var(--h-xl);padding:0 var(--s-6);font-size:20px;font-weight:600}.ultra-landing .card{background:var(--bg-raised);border:1px solid var(--line-1);border-radius:var(--r-3);padding:var(--s-5)}.ultra-landing .panel{background:var(--bg-base);border:1px solid var(--line-1);border-radius:var(--r-3)}.ultra-landing{background:var(--bg-void);color:var(--ink-1);min-height:100%}.ultra-landing__main{padding-top:64px}.ultra-hero{isolation:isolate;align-items:center;min-height:min(86vh,780px);display:flex;position:relative;overflow:hidden}.ultra-hero__media{z-index:0;background:var(--bg-void);position:absolute;inset:0}.ultra-hero__poster,.ultra-hero__video{object-fit:cover;width:100%;height:100%;display:block;position:absolute;inset:0}.ultra-hero__video{opacity:0;transition:opacity .7s var(--ease-out)}.ultra-hero__media--playing .ultra-hero__video{opacity:1}.ultra-hero__scrim{background:linear-gradient(180deg, #101110e0 0%, #10111057 36%, #101110b8 72%, var(--bg-void) 100%), linear-gradient(90deg, #101110d1 0%, #1011104d 52%, #10111000 100%);position:absolute;inset:0}.ultra-hero__grain{opacity:.05;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.8'/%3E%3C/svg%3E");background-size:180px 180px;position:absolute;inset:0}.ultra-hero__inner{z-index:1;padding-top:var(--s-7);padding-bottom:var(--s-7);position:relative}.ultra-hero__eyebrow{margin:0 0 var(--s-5)}.ultra-hero__title{margin:0 0 var(--s-5);flex-direction:column;display:flex}.ultra-hero__desc{margin:0 0 var(--s-6);max-width:var(--w-prose)}.ultra-actions{gap:var(--s-4);flex-wrap:wrap;align-items:center;display:flex}.ultra-compare__bar .btn,.ultra-hero__control{min-height:var(--h-lg)}.ultra-hero__control{z-index:2;right:var(--s-5);bottom:var(--s-5);background:var(--bg-void);position:absolute}.ultra-hero__caption{z-index:1;left:var(--s-6);bottom:var(--s-5);align-items:center;gap:var(--s-2);max-width:calc(100% - 150px);margin:0;display:inline-flex;position:absolute}.ultra-hero__dot{border-radius:var(--r-full);background:var(--soul);width:6px;height:6px}.ultra-hero__dot--idle{background:var(--ink-4)}.ultra-head{margin-bottom:var(--s-7);max-width:var(--w-prose)}.ultra-head__eyebrow{margin:0 0 var(--s-3);align-items:center;display:flex}.ultra-head__title{margin:0 0 var(--s-3)}.ultra-head__sub{margin:0}.ultra-compare__bar{align-items:center;gap:var(--s-3);margin-bottom:var(--s-5);flex-wrap:wrap;display:flex}.ultra-compare{padding-top:var(--s-8);padding-bottom:var(--s-8);scroll-margin-top:80px}.ultra-stage__tabs{gap:var(--s-2);margin-bottom:var(--s-4);flex-wrap:wrap;display:flex}.ultra-stage__tab{align-items:center;gap:var(--s-2);min-height:var(--h-lg);padding:0 var(--s-4);border:1px solid var(--line-1);border-radius:var(--r-2);color:var(--ink-2);cursor:pointer;transition:background var(--t-fast) var(--ease-out), border-color var(--t-fast) var(--ease-out), color var(--t-fast) var(--ease-out);background:0 0;display:inline-flex}.ultra-stage__tab:hover{background:var(--bg-raised);color:var(--ink-0)}.ultra-stage__tab--active{background:var(--bg-high);border-color:var(--soul);color:var(--soul)}.ultra-stage__dot{border-radius:var(--r-full);background:var(--soul);width:6px;height:6px}.ultra-stage{margin:0 0 var(--s-5);padding:0;position:relative;overflow:hidden}.ultra-stage__switch{border-radius:inherit;cursor:pointer;background:0 0;border:0;width:100%;position:absolute;inset:0}.ultra-stage__switch:focus-visible{outline:2px solid var(--soul);outline-offset:-4px}.ultra-stage__tab:focus-visible,.ultra-hero__control:focus-visible{outline:2px solid var(--soul);outline-offset:4px}.ultra-stage--flagship{border-color:var(--soul)}.ultra-stage__video{aspect-ratio:16/9;object-fit:contain;background:var(--bg-void);width:100%;max-height:min(50vh,460px);display:block}.ultra-stage__meta{align-items:baseline;gap:var(--s-3);padding:var(--s-4) 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a{color:var(--ink-1);padding:6px;display:block}.ultra-locales a[aria-current]{color:var(--soul)}.ultra-landing .siteHeaderNav{gap:20px}.ultra-landing .siteHeader .btn{white-space:normal;text-align:center}.ultra-noscript{gap:8px;margin:16px 0;display:grid}@media (max-width:640px){.ultra-landing .siteHeader{gap:12px;padding:0 12px}.ultra-landing .siteHeader .btn{padding:8px;font-size:12px}}.ultra-landing .siteHeaderDropdown summary{cursor:pointer;color:var(--ink-1)}.ultra-landing .siteHeaderDropdownPanel{background:var(--bg-base);border:1px solid var(--line-1);max-width:900px;max-height:70vh;box-shadow:var(--shadow-pop);border-radius:12px;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:20px;display:grid;position:absolute;top:64px;left:max(16px,50vw - 500px);right:16px;overflow:auto}.ultra-landing .siteHeaderDropdownPanel a{white-space:normal;padding:8px}.ultra-landing .siteHeaderDropdownPanel a:hover{color:var(--soul);background:var(--bg-raised)}@media (max-width:760px){.ultra-landing .siteHeaderDropdownPanel{grid-template-columns:1fr;max-height:40vh;padding:8px;position:static}}.ultra-landing .ultra-stage__video{height:auto}.ultra-landing .ultra-stage{margin-bottom:var(--s-5)}