:root{color-scheme:light dark;font-family:Noto Sans SC,Microsoft YaHei,PingFang SC,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--bg: oklch(.99 .003 145);--surface: oklch(.955 .018 145);--surface-strong: oklch(.91 .045 145);--ink: oklch(.2 .028 145);--muted: oklch(.42 .03 145);--line: oklch(.84 .025 145);--brand: oklch(.52 .135 145);--brand-deep: oklch(.35 .085 145);--brand-soft: oklch(.9 .075 145);--accent: oklch(.67 .17 52);--accent-soft: oklch(.91 .07 52);--danger: oklch(.5 .19 28);--radius: 18px;--radius-small: 10px;--space-xs: 8px;--space-sm: 16px;--space-md: 24px;--space-lg: 48px;--space-xl: 96px;--ease: cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;color:var(--ink);background:var(--bg)}body,button,input,textarea{font:inherit}a{color:inherit}img{max-width:100%;display:block}button,a{-webkit-tap-highlight-color:transparent}h1,h2,h3,p{overflow-wrap:anywhere}h1,h2,h3{margin-top:0;text-wrap:balance}p{text-wrap:pretty}h1{margin-bottom:28px;font-size:clamp(3rem,6.5vw,5.9rem);line-height:1.01;letter-spacing:-.04em;font-weight:720}h2{margin-bottom:24px;font-size:clamp(2rem,4.5vw,4.25rem);line-height:1.1;letter-spacing:-.035em}h3{font-size:clamp(1.2rem,2vw,1.6rem);line-height:1.3}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:60;top:12px;left:12px;padding:11px 16px;color:#fff;background:var(--brand-deep);border-radius:var(--radius-small);transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.site-header{position:sticky;z-index:30;top:0;height:76px;border-bottom:1px solid color-mix(in oklch,var(--line) 70%,transparent);background:color-mix(in oklch,var(--bg) 94%,transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.nav-shell{width:min(1440px,100%);height:100%;margin:0 auto;padding:0 clamp(16px,4vw,56px);display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{min-width:max-content;display:inline-flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand-symbol{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;color:#fff;background:var(--brand-deep);font-family:STKaiti,KaiTi,serif;font-size:1.55rem;font-weight:700}.brand-words{display:grid;gap:1px}.brand-words strong{font-size:1rem;letter-spacing:.05em}.brand-words small{color:var(--muted);font-size:.7rem}.site-nav{display:flex;align-items:center;gap:clamp(14px,2.2vw,32px)}.site-nav a{min-height:44px;display:inline-flex;align-items:center;position:relative;color:var(--muted);text-decoration:none;font-size:.9rem;font-weight:650;white-space:nowrap}.site-nav a:not(.nav-contact):after{content:"";position:absolute;right:0;bottom:4px;left:0;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:right;transition:transform .25s var(--ease)}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--ink)}.site-nav a:hover:after,.site-nav a[aria-current=page]:after{transform:scaleX(1);transform-origin:left}.nav-contact{padding:0 18px;border-radius:999px;color:#fff!important;background:var(--brand-deep)}.nav-contact:hover{transform:translateY(-1px)}.menu-button{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;display:none;place-items:center;color:var(--ink);background:var(--bg);cursor:pointer}.button{min-height:48px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:999px;text-decoration:none;font-weight:700;white-space:nowrap;transition:transform .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease)}.button:hover{transform:translateY(-2px)}.button:active{transform:scale(.98)}.button.primary{color:#fff;background:var(--brand-deep)}.button.secondary{color:var(--ink);border-color:var(--line);background:transparent}.button.secondary:hover{border-color:var(--brand)}.light-button{color:var(--brand-deep);background:var(--bg);border-color:color-mix(in oklch,var(--brand) 30%,var(--line))}.button-row{display:flex;flex-wrap:wrap;gap:12px}.text-link{min-height:44px;display:inline-flex;align-items:center;gap:8px;color:var(--brand-deep);font-weight:720;text-underline-offset:5px}.text-link svg{transition:transform .25s var(--ease)}.text-link:hover svg{transform:translate(4px)}.hero{min-height:calc(100dvh - 76px);max-width:1440px;margin:0 auto;padding:clamp(46px,7vw,90px) clamp(16px,4vw,56px);display:grid;grid-template-columns:minmax(0,1.02fr) minmax(440px,.98fr);align-items:center;gap:clamp(35px,6vw,96px);overflow:clip}.hero-copy{position:relative;z-index:2}.hero-brandline{margin:0 0 24px;color:var(--brand-deep);font-size:.9rem;font-weight:700}.hero h1{max-width:8.5ch}.hero-description{max-width:35rem;margin:0 0 32px;color:var(--muted);font-size:1.08rem;line-height:1.8}.culture-orbit{position:relative;width:min(46vw,620px);aspect-ratio:1;justify-self:end;isolation:isolate}.orbit-line{position:absolute;inset:9%;border:1px solid var(--line);border-radius:50%}.culture-disc,.orbit-seal{position:absolute;display:grid;place-items:center;align-content:center;border-radius:50%;box-shadow:0 24px 70px #0e1f0f21}.culture-disc{width:31%;aspect-ratio:1;color:var(--brand-deep);background:var(--brand-soft)}.culture-disc b,.orbit-seal b{font-family:STKaiti,KaiTi,serif;font-size:clamp(2.6rem,5.6vw,5.6rem);line-height:.9}.culture-disc small,.orbit-seal small{margin-top:10px;font-size:clamp(.64rem,1vw,.86rem);font-weight:700}.disc-1{top:0;left:35%;background:var(--accent-soft);color:#713400;color:oklch(.4 .11 52)}.disc-2{top:32%;right:0}.disc-3{right:18%;bottom:0;background:var(--surface-strong)}.disc-4{bottom:10%;left:0;background:var(--accent);color:#311806}.orbit-seal{z-index:2;inset:32%;color:#fff;background:var(--brand-deep);box-shadow:0 24px 70px #00220340}.orbit-seal b{font-size:clamp(2.2rem,4vw,4.4rem)}.orbit-seal small{color:#d2e4d2}.identity-rail{border-block:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr)}.identity-rail p{margin:0;padding:22px clamp(16px,4vw,48px);color:var(--brand-deep);font-weight:700;text-align:center}.identity-rail p+p{border-left:1px solid var(--line)}.manifesto-section{max-width:1288px;margin:0 auto;padding:clamp(96px,13vw,190px) clamp(16px,4vw,56px);display:grid;grid-template-columns:.55fr 1.45fr;align-items:start;gap:clamp(30px,8vw,120px)}.manifesto-mark{width:clamp(150px,22vw,300px);aspect-ratio:1;display:grid;place-items:center;border-radius:50%;color:var(--brand-deep);background:var(--surface);font-family:STKaiti,KaiTi,serif;font-size:clamp(6rem,14vw,12rem);line-height:1}.manifesto-copy h2{max-width:13ch}.manifesto-copy p{max-width:60ch;margin:0;color:var(--muted);font-size:1.08rem;line-height:1.9}.culture-preview{padding:clamp(90px,11vw,160px) max(16px,calc((100vw - 1288px)/2));background:var(--surface)}.section-title{max-width:860px}.section-title h2{max-width:14ch}.culture-list{margin-top:clamp(50px,7vw,90px);border-top:1px solid var(--line)}.culture-row{min-height:150px;padding:26px 0;display:grid;grid-template-columns:110px minmax(180px,.75fr) 1.25fr;align-items:center;gap:28px;border-bottom:1px solid var(--line)}.culture-row>span{color:var(--accent);font-family:STKaiti,KaiTi,serif;font-size:4.5rem;line-height:1}.culture-row h3,.culture-row p{margin:0}.culture-row p{max-width:46ch;color:var(--muted);line-height:1.75}.product-spotlight{max-width:1440px;margin:0 auto;padding:clamp(90px,12vw,170px) clamp(16px,6vw,90px);display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(50px,10vw,150px);background:var(--brand-soft)}.product-wordmark p{margin:0 0 18px;color:var(--brand-deep);font-weight:700}.product-wordmark h2{margin-bottom:18px;color:var(--brand-deep);font-size:clamp(4rem,9vw,8rem)}.product-wordmark span{color:var(--muted)}.product-summary{align-self:center}.product-summary h3{max-width:18ch;font-size:clamp(1.8rem,3.4vw,3.4rem);letter-spacing:-.03em}.product-summary>p{max-width:58ch;color:var(--muted);line-height:1.8}.capability-inline{margin:32px 0;display:flex;flex-wrap:wrap;gap:10px 22px}.capability-inline span{padding-bottom:6px;border-bottom:2px solid var(--brand);font-weight:650}.heritage-section{max-width:1288px;margin:0 auto;padding:clamp(96px,12vw,180px) clamp(16px,4vw,56px);display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(45px,9vw,130px)}.heritage-heading>p{margin:0 0 18px;color:var(--brand-deep);font-weight:700}.heritage-heading h2{max-width:12ch}.heritage-track{border-top:1px solid var(--line)}.heritage-item{padding:34px 0;display:grid;grid-template-columns:110px 1fr;gap:24px;border-bottom:1px solid var(--line)}.heritage-item time{color:var(--accent);font-weight:750}.heritage-item p{max-width:48ch;margin:0;color:var(--muted);line-height:1.8}.cta-section{padding:clamp(80px,10vw,140px) clamp(16px,8vw,120px);background:var(--surface-strong)}.cta-section>div{max-width:900px}.cta-section h2{max-width:12ch}.cta-section p{max-width:48ch;margin-bottom:28px;color:var(--muted);line-height:1.75}.page-intro{min-height:68dvh;display:flex;align-items:flex-end;border-bottom:1px solid var(--line);background:var(--surface)}.page-intro-inner{width:min(1288px,100%);margin:0 auto;padding:clamp(80px,10vw,145px) clamp(16px,4vw,56px) clamp(65px,8vw,110px)}.page-context{margin:0 0 24px;color:var(--brand-deep);font-weight:720}.page-intro h1{max-width:14ch;font-size:clamp(2.8rem,5.8vw,5.5rem)}.page-intro-body{max-width:58ch;margin:0;color:var(--muted);font-size:1.08rem;line-height:1.85}.about-statement{max-width:1288px;margin:0 auto;padding:clamp(90px,12vw,180px) clamp(16px,4vw,56px);display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(50px,10vw,150px)}.about-statement h2{max-width:11ch}.about-prose p{max-width:60ch;color:var(--muted);font-size:1.05rem;line-height:1.9}.about-prose p+p{margin-top:24px}.focus-section{padding:clamp(86px,11vw,155px) max(16px,calc((100vw - 1288px)/2));background:var(--surface)}.focus-list{margin-top:58px;border-top:1px solid var(--line)}.focus-item{padding:34px 0;display:grid;grid-template-columns:90px 1fr;gap:28px;border-bottom:1px solid var(--line)}.focus-item>span{color:var(--accent);font-variant-numeric:tabular-nums;font-weight:750}.focus-item h3{margin-bottom:10px}.focus-item p{max-width:56ch;margin:0;color:var(--muted);line-height:1.75}.company-facts{max-width:1288px;margin:0 auto;padding:clamp(90px,11vw,160px) clamp(16px,4vw,56px);display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(48px,9vw,130px)}.facts-heading h2{max-width:10ch}.facts-heading p{max-width:44ch;color:var(--muted);line-height:1.75}.company-facts dl{margin:0;border-top:1px solid var(--line)}.company-facts dl>div{padding:25px 0;display:grid;grid-template-columns:140px 1fr;gap:22px;border-bottom:1px solid var(--line)}.company-facts dt{color:var(--muted)}.company-facts dd{margin:0;font-weight:650;line-height:1.6}.company-facts a{color:var(--brand-deep);text-underline-offset:4px}.culture-quadrants{max-width:1288px;margin:0 auto;padding:clamp(90px,11vw,160px) clamp(16px,4vw,56px);display:grid;grid-template-columns:1.15fr .85fr;gap:14px}.culture-quadrant{min-height:340px;padding:clamp(30px,5vw,64px);display:flex;flex-direction:column;justify-content:space-between;border-radius:var(--radius);background:var(--surface)}.culture-quadrant>span{font-family:STKaiti,KaiTi,serif;font-size:clamp(5rem,10vw,9rem);line-height:.9;color:var(--brand-deep)}.culture-quadrant p{max-width:40ch;margin:0;color:var(--muted);line-height:1.75}.quadrant-1{min-height:520px;background:var(--accent-soft)}.quadrant-2{align-self:end}.quadrant-3{min-height:330px}.quadrant-4{min-height:480px;background:var(--brand-soft)}.culture-application{max-width:1288px;margin:0 auto;padding:0 clamp(16px,4vw,56px) clamp(100px,12vw,180px);display:grid;grid-template-columns:1.35fr .65fr;align-items:center;gap:clamp(40px,8vw,120px)}.application-copy h2{max-width:13ch}.application-copy p{max-width:55ch;color:var(--muted);font-size:1.06rem;line-height:1.9}.application-seal{aspect-ratio:1;display:grid;place-items:center;border-radius:50%;color:#fff;background:var(--brand-deep);font-family:STKaiti,KaiTi,serif;font-size:clamp(6rem,12vw,11rem)}.yuetuo-intro{max-width:1288px;margin:0 auto;padding:clamp(90px,12vw,180px) clamp(16px,4vw,56px);display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(50px,10vw,150px)}.yuetuo-name>span{display:block;color:var(--brand-deep);font-size:clamp(3.6rem,8vw,7.8rem);font-weight:750;letter-spacing:-.05em}.yuetuo-name p{color:var(--muted)}.yuetuo-copy h2{max-width:12ch}.yuetuo-copy p{max-width:56ch;color:var(--muted);line-height:1.85}.product-capabilities{max-width:1288px;margin:0 auto;padding:0 clamp(16px,4vw,56px) clamp(100px,12vw,180px);display:grid;grid-template-columns:1.15fr .85fr;gap:14px}.product-capability{min-height:280px;padding:clamp(28px,5vw,56px);border-radius:var(--radius);display:flex;flex-direction:column;justify-content:space-between;background:var(--surface)}.product-capability svg{color:var(--brand-deep)}.product-capability h2{margin-bottom:12px;font-size:clamp(1.8rem,3vw,3rem)}.product-capability p{max-width:46ch;margin:0;color:var(--muted);line-height:1.75}.capability-1{min-height:440px;background:var(--brand-soft)}.capability-4{min-height:400px;background:var(--accent-soft)}.contact-layout{max-width:1288px;margin:0 auto;padding:clamp(90px,12vw,180px) clamp(16px,4vw,56px);display:grid;grid-template-columns:1.1fr .9fr;gap:14px}.contact-address,.contact-status{min-height:390px;padding:clamp(32px,6vw,70px);border-radius:var(--radius);display:flex;flex-direction:column;justify-content:flex-end;background:var(--brand-soft)}.contact-status{background:var(--surface)}.contact-layout svg{margin-bottom:auto;color:var(--brand-deep)}.contact-layout h2{font-size:clamp(1.8rem,3.4vw,3.3rem)}.contact-layout p{max-width:48ch;margin:0;color:var(--muted);font-size:1.05rem;line-height:1.8}.contact-layout a{color:var(--brand-deep);font-weight:700}.legal-document{width:min(880px,calc(100% - 32px));margin:0 auto;padding:clamp(64px,9vw,120px) 0 clamp(90px,11vw,150px)}.legal-summary{margin-bottom:64px;padding:24px 0;display:grid;grid-template-columns:max-content minmax(0,1fr);gap:10px 28px;border-block:1px solid var(--line)}.legal-summary strong{color:var(--brand-deep)}.legal-document section{padding:30px 0;border-bottom:1px solid var(--line)}.legal-document section h2,.policy-contact h2{margin-bottom:16px;font-size:clamp(1.35rem,2.5vw,2rem);letter-spacing:-.02em}.legal-document p,.legal-document li{max-width:72ch;color:var(--muted);line-height:1.85}.legal-document ul{margin:0;padding-inline-start:1.3rem}.legal-document li+li{margin-top:8px}.policy-contact{margin-top:58px;padding:clamp(24px,4vw,38px);border-radius:var(--radius);background:var(--surface)}.policy-contact ul{margin-top:18px}.policy-contact a{color:var(--brand-deep);font-weight:650;text-underline-offset:3px}.policy-pending{color:var(--danger)!important}.security-principles{margin-bottom:54px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.security-principles div{min-width:0;padding:26px;display:grid;gap:10px;background:var(--surface)}.security-principles strong{color:var(--brand-deep)}.security-principles span{color:var(--muted);line-height:1.65}.site-footer{padding:clamp(62px,8vw,110px) clamp(16px,4vw,56px) 28px;color:#fff;background:#050e05}.site-footer .brand-symbol{color:#091b0a;background:var(--accent)}.site-footer .brand-words small{color:#9da89d}.footer-lead{max-width:1288px;margin:0 auto 70px;display:grid;grid-template-columns:1fr 1fr auto;align-items:center;gap:32px}.footer-lead p{margin:0;color:#bbc9ba;font-size:clamp(1.2rem,2.4vw,2rem)}.text-link.light{color:#fff}.footer-meta{max-width:1288px;margin:0 auto;padding-top:22px;border-top:1px solid oklch(.34 .03 145);display:flex;flex-wrap:wrap;gap:14px 28px;color:#9da89d;font-size:.78rem}.footer-meta a,.footer-records a{color:inherit;text-underline-offset:4px}.footer-meta a:hover,.footer-records a:hover{color:#fff}.footer-records{max-width:1288px;margin:16px auto 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px 24px;color:#aab5a9;font-size:.78rem;text-align:center}.footer-records a{display:inline-flex;align-items:center;gap:6px}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}@media(max-width:1040px){.menu-button{display:grid}.site-nav{position:fixed;inset:76px 0 auto;display:none;padding:18px;border-bottom:1px solid var(--line);background:var(--bg);box-shadow:0 20px 50px #0d1a0d24}.site-nav.is-open{display:grid;gap:4px}.site-nav a{padding:10px 12px}.site-nav a:not(.nav-contact):after{display:none}.nav-contact{margin-top:6px;justify-content:center}.hero{grid-template-columns:1fr}.hero-copy{max-width:780px}.culture-orbit{width:min(78vw,620px);justify-self:center}.manifesto-section,.product-spotlight,.heritage-section,.about-statement,.company-facts,.yuetuo-intro{grid-template-columns:1fr}.manifesto-mark{width:190px}.culture-quadrants,.product-capabilities,.contact-layout{grid-template-columns:1fr 1fr}.culture-application{grid-template-columns:1fr 260px}.footer-lead{grid-template-columns:1fr}}@media(max-width:720px){h1{font-size:clamp(2.75rem,14vw,4.25rem)}h2{font-size:clamp(2rem,10vw,3.2rem)}.brand-words small{display:none}.hero{min-height:auto;padding-top:56px;gap:50px}.hero h1{max-width:9ch}.culture-orbit{width:min(94vw,520px)}.culture-disc small{display:none}.identity-rail{grid-template-columns:1fr}.identity-rail p+p{border-left:0;border-top:1px solid var(--line)}.manifesto-section{gap:46px}.culture-row{grid-template-columns:68px 1fr;gap:16px}.culture-row>span{font-size:3.5rem}.culture-row p{grid-column:2}.heritage-item{grid-template-columns:1fr;gap:10px}.culture-quadrants,.product-capabilities,.contact-layout,.culture-application{grid-template-columns:1fr}.culture-quadrant,.quadrant-1,.quadrant-2,.quadrant-3,.quadrant-4,.product-capability,.capability-1,.capability-4{min-height:320px}.application-seal{width:min(70vw,300px);justify-self:center}.company-facts dl>div{grid-template-columns:1fr;gap:7px}.security-principles{grid-template-columns:1fr}.footer-meta{display:grid}.legal-summary{grid-template-columns:1fr;gap:6px}.legal-summary strong:not(:first-child){margin-top:12px}}@media(max-width:480px){.button-row{display:grid}.button{width:100%}.culture-disc{width:34%}.disc-1{left:33%}.disc-3{right:12%}.orbit-seal{inset:31%}.orbit-seal small{display:none}.culture-row{min-height:170px}.focus-item{grid-template-columns:52px 1fr}}@media(prefers-color-scheme:dark){:root{--bg: oklch(.145 .018 145);--surface: oklch(.205 .025 145);--surface-strong: oklch(.27 .045 145);--ink: oklch(.94 .008 145);--muted: oklch(.76 .02 145);--line: oklch(.34 .03 145);--brand: oklch(.7 .13 145);--brand-deep: oklch(.76 .11 145);--brand-soft: oklch(.25 .06 145);--accent: oklch(.75 .15 52);--accent-soft: oklch(.28 .07 52);--danger: oklch(.74 .15 28)}.button.primary,.nav-contact{color:#040e04!important;background:var(--brand)}.orbit-seal,.application-seal{color:#060d06;background:var(--brand)}.orbit-seal small{color:#182619}.disc-1{color:#ffd4bb;color:oklch(.9 .08 52)}.disc-4{color:#270e01}.light-button{color:var(--ink);background:var(--surface)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media(prefers-reduced-transparency:reduce){.site-header{-webkit-backdrop-filter:none;backdrop-filter:none;background:var(--bg)}}