@charset "UTF-8";
:root{--blue:#2563eb;--ink:#1d2233;--muted:#687184;--paper:#f7f8fc;--line:#e0e5ee;--white:#fff;--max:1200px;--font:Inter,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color-scheme:light}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:112px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
button,a{-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
button:focus-visible,a:focus-visible{outline:3px solid var(--blue);outline-offset:6px}
button:disabled{cursor:default}
img{display:block;max-width:100%;height:auto}
::selection{background:#cadbff;color:var(--ink)}
.container{width:min(var(--max),calc(100% - 96px));margin-inline:auto}
.skip-link{position:fixed;z-index:99;left:20px;top:-80px;background:var(--ink);color:white;padding:16px 24px;border-radius:8px}
.skip-link:focus{top:12px}
.header{position:sticky;top:0;z-index:20;background:rgba(247,248,252,.94);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.header-inner{height:100px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{width:189px;flex-shrink:0}
.navigation{display:flex;align-items:center;gap:36px;font-size:13px;font-weight:550;line-height:1.4}
.navigation>a{transition:color .2s}
.navigation>a:hover{color:var(--blue)}
.languages{display:flex;align-items:center;gap:9px;padding-left:26px;border-left:1px solid var(--line);color:#a2a8b6}
.languages button{border:0;background:transparent;padding:8px 0;color:var(--muted);font-size:12px}
.languages button[aria-pressed=true]{color:var(--ink);font-weight:750}
.hero{min-height:685px;display:grid;grid-template-columns:1.07fr 1fr;align-items:center;gap:34px;padding-block:72px 80px}
.hero-copy{position:relative;z-index:1;padding-bottom:8px}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:10px;letter-spacing:.13em;line-height:1.6;font-weight:650;margin:0 0 28px}
.status-dot{width:6px;height:6px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px #2563eb0c;flex-shrink:0}
h1{font-size:clamp(48px,5.4vw,78px);font-weight:550;line-height:1.06;letter-spacing:-.065em;margin:0 0 26px}
.blue{color:var(--blue)}
.hero-description{font-size:16px;line-height:1.8;color:var(--muted);max-width:422px;margin:0 0 31px}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:25px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:25px;padding:16px 21px;border:1px solid transparent;border-radius:5px;font-size:12px;font-weight:600;line-height:1.5;transition:background .2s,transform .2s}
.button-primary{background:var(--blue);color:var(--white)}
.button-primary:hover{background:#194fc7;transform:translateY(-2px)}
.button-primary>span:last-child{font-size:18px;line-height:1}
.text-link{display:inline-flex;align-items:center;gap:14px;font-size:12px;font-weight:550;padding-block:12px}
.text-link:hover{color:var(--blue)}
.hero-footnote{display:flex;align-items:center;gap:11px;font-size:11px;color:#7c8595;margin:48px 0 0}
.small-rule{height:1px;width:25px;background:#9fa8ba}
.hero-art{position:relative;isolation:isolate;aspect-ratio:1;overflow:hidden;background:radial-gradient(ellipse at 50% 48%,#dbe7ff 0%,#edf2fd 47%,#f1f4fa 75%);border:1px solid #e1e7f2;border-radius:3px}
.art-grid{position:absolute;inset:0;z-index:-1;background-image:linear-gradient(#9baec716 1px,transparent 1px),linear-gradient(90deg,#9baec716 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(ellipse,black,transparent 80%)}
.hero-symbol{width:64%;height:64%;object-fit:contain;position:absolute;left:18%;top:17.5%;transform:rotate(-.01deg);animation:mark-enter 1s both cubic-bezier(.2,.65,.2,1)}
.art-orbit{position:absolute;width:82%;height:82%;border:1px solid #b0c4ee55;border-radius:50%;top:9%;left:9%;z-index:-1}
.orbit-two{width:65%;height:65%;top:17.5%;left:17.5%;border-style:dashed;border-color:#b3c4e33d}
.art-top-label{position:absolute;top:24px;left:26px;font-size:8px;color:#7487a8;font-weight:650;letter-spacing:.14em}
.art-cross{position:absolute;color:#8ca2c7;font-size:18px;font-weight:300}
.cross-top{right:23px;top:18px}
.cross-bottom{left:23px;bottom:20px}
.art-caption{position:absolute;bottom:24px;left:49px;right:26px;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:10px;color:#6880a9}
.art-caption>span:last-child{font-size:9px;letter-spacing:.1em}
.identity-section{padding-block:45px 88px;border-top:1px solid var(--line)}
.section-intro{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:33px}
.section-eyebrow{color:var(--muted);font-size:9px;margin-bottom:15px}
h2{font-size:clamp(32px,3.4vw,45px);line-height:1.1;font-weight:500;letter-spacing:-.045em;margin:0}
.section-description{font-size:14px;line-height:1.8;max-width:355px;color:var(--muted);margin:0}
.brand-canvas{background:var(--white);border:1px solid var(--line);border-radius:3px;padding:26px 32px 25px;transition:background .25s,color .25s;overflow:hidden}
.canvas-top,.canvas-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px}
.canvas-label{color:#7e8798;font-size:8px;letter-spacing:.13em;font-weight:650}
.theme-control{display:flex;gap:2px;padding:3px;border:1px solid var(--line);border-radius:100px}
.theme-control button{border:0;background:transparent;color:#7e8798;font-size:10px;line-height:1.4;padding:6px 13px;border-radius:100px;min-width:49px}
.theme-control button[aria-pressed=true]{background:#edf1f8;color:var(--ink)}
.canvas-wordmark{padding:62px 50px 67px}
.canvas-wordmark img{width:100%}
.canvas-bottom{font-size:10px;color:#7e8798}
.color-note{display:flex;align-items:center;gap:8px;font-size:8px;font-weight:650;letter-spacing:.1em}
.blue-swatch{width:7px;height:7px;background:var(--blue);border-radius:2px}
.brand-canvas[data-theme=dark]{background:#101729;border-color:#101729}
.brand-canvas[data-theme=dark] .theme-control{border-color:#ffffff24}
.brand-canvas[data-theme=dark] .theme-control button[aria-pressed=true]{background:#29334b;color:#f3f5fa}
.brand-canvas[data-theme=dark] .canvas-label,.brand-canvas[data-theme=dark] .canvas-bottom{color:#9ba8c0}
.chapter-note{display:flex;align-items:flex-start;gap:20px;padding-top:29px}
.note-mark{color:var(--blue);font-size:25px;line-height:1;margin-top:2px}
.chapter-note h3{font-size:14px;font-weight:600;margin:0 0 8px;line-height:1.5;letter-spacing:-.01em}
.chapter-note p{max-width:655px;margin:0;color:var(--muted);font-size:12px;line-height:1.8}
.note-link{margin-left:auto;font-size:28px;line-height:1.1;padding:0 5px;color:#8f99aa}
.note-link:hover{color:var(--blue)}
.contact-section{background:#11192c;color:#f3f5fa}
.contact-inner{display:grid;grid-template-columns:1fr 1.15fr;gap:80px;padding-block:66px 68px}
.contact-heading .eyebrow{font-size:9px;letter-spacing:.11em;color:#92a4c7;margin-bottom:24px}
.contact-heading h2{font-size:clamp(35px,3.5vw,47px);line-height:1.14;letter-spacing:-.045em}
.contact-details{padding-top:3px}
.contact-details .contact-value{font-family:var(--font);font-size:18px;font-weight:400;line-height:1.75;letter-spacing:0;font-style:normal;color:#f3f5fa}
.contact-label{font-size:8px;letter-spacing:.12em;font-weight:550;color:#92a4c7;line-height:1.5;margin:0 0 15px}
.email-link{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:27px;border-bottom:1px solid #ffffff20;white-space:nowrap}
.email-link>span{font-size:25px;color:#73a0ff;transition:transform .2s}
.email-link:hover>span{transform:translate(3px,-3px)}
.phone-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:22px;border-bottom:1px solid #ffffff20}
.phone-row .contact-label{margin:0}
.phone-link{display:inline-flex;align-items:center;gap:22px;white-space:nowrap}
.phone-link>span{font-size:19px;color:#73a0ff}
.phone-link:hover{color:#9bb8f1}
.address-row{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;padding-top:25px}
.address-row .contact-label{margin-bottom:12px}
address{margin:0}
.map-link{display:inline-flex;gap:12px;align-items:center;color:#9bb8f1;font-size:10px;line-height:1.5;padding-bottom:4px;white-space:nowrap}
.map-link:hover{color:white}
.footer-inner{display:flex;align-items:center;gap:24px;justify-content:space-between;padding-block:30px 32px}
.footer-brand{width:112px;flex-shrink:0}
.footer p{font-size:10px;line-height:1.7;color:var(--muted);margin:0 auto 0 14px}
.back-top{font-size:10px;display:flex;align-items:center;gap:18px;color:var(--muted)}
.back-top:hover{color:var(--blue)}
html[lang=zh-Hans] h1{font-size:clamp(46px,5.1vw,72px);letter-spacing:-.045em;line-height:1.19;font-weight:600}
html[lang=zh-Hans] h2{letter-spacing:-.035em;line-height:1.2}
html[lang=zh-Hans] .hero-description{max-width:400px}
html[lang=zh-Hans] .eyebrow{letter-spacing:.14em}
@keyframes mark-enter{from{opacity:0;transform:translateY(15px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(min-width:1450px){.hero{gap:65px;padding-block:85px}.hero-art{max-width:540px}.hero h1{font-size:82px}}
@media(max-width:1050px){.container{width:calc(100% - 64px)}.hero{gap:25px;min-height:600px;padding-block:60px}.hero h1{font-size:clamp(44px,5.6vw,62px)}.hero-description{font-size:14px}.hero-actions{gap:12px}.button{padding:14px 17px;gap:16px}.text-link{font-size:11px;gap:10px}.hero-footnote{margin-top:35px}.contact-inner{gap:40px;grid-template-columns:1fr 1.2fr}.canvas-wordmark{padding:55px 20px}.contact-heading h2{font-size:36px}.navigation{gap:25px}.languages{padding-left:20px}}
@media(max-width:760px){html{scroll-padding-top:95px}.container{width:calc(100% - 40px)}.header-inner{height:79px}.brand{width:150px}.navigation{gap:20px;font-size:12px}.navigation .identity-link{display:none}.languages{padding-left:17px;gap:7px}.hero{grid-template-columns:1fr;gap:36px;min-height:auto;padding-block:49px 47px}.hero-copy{padding:0}.hero .eyebrow{font-size:9px;margin-bottom:25px}.hero h1{font-size:clamp(48px,9.5vw,66px);line-height:1.05;margin-bottom:22px}.hero-description{font-size:15px;max-width:450px;margin-bottom:25px}.hero-actions{gap:23px}.button{font-size:12px;padding:15px 19px;gap:22px}.text-link{font-size:12px}.hero-footnote{margin-top:29px}.hero-art{aspect-ratio:1.25;max-width:none}.hero-symbol{width:60%;height:75%;top:11%;left:20%}.art-orbit{width:68%;height:auto;aspect-ratio:1;left:16%;top:8%}.orbit-two{width:54%;left:23%;top:17%}.section-intro{display:block;margin-bottom:24px}.section-intro h2{font-size:35px}.section-description{margin-top:18px;font-size:13px;max-width:440px}.identity-section{padding-block:35px 47px}.brand-canvas{padding:19px 17px}.canvas-wordmark{padding:40px 0 43px}.canvas-label{font-size:7px;letter-spacing:.07em}.canvas-bottom{font-size:9px;gap:12px;align-items:flex-end}.color-note{font-size:7px;white-space:nowrap;gap:5px}.theme-control button{font-size:9px;padding:5px 10px;min-width:40px}.chapter-note{gap:13px;padding-top:24px}.chapter-note h3{font-size:13px}.chapter-note p{font-size:12px}.note-link{display:none}.contact-inner{grid-template-columns:1fr;gap:35px;padding-block:42px 43px}.contact-heading .eyebrow{margin-bottom:20px}.contact-heading h2{font-size:36px}.email-link{font-size:clamp(22px,5.9vw,33px);padding-bottom:24px}.address-row{gap:16px}.footer-inner{flex-wrap:wrap;gap:19px 15px;padding-block:25px}.footer-brand{width:108px}.footer p{font-size:9px;margin:0 0 0 auto}.back-top{margin-left:auto;font-size:9px;gap:10px}html[lang=zh-Hans] .hero h1{font-size:clamp(46px,8.8vw,62px);line-height:1.2}.hero-art .art-top-label{top:20px;left:21px}.art-caption{left:43px;right:21px;bottom:20px;font-size:9px}.cross-bottom{left:18px;bottom:16px}.cross-top{top:14px;right:17px}}
@media(max-width:380px){.container{width:calc(100% - 32px)}.brand{width:133px}.navigation{gap:13px}.languages{padding-left:12px}.hero-actions{gap:15px}.text-link{font-size:11px}.hero h1{font-size:47px}.canvas-bottom{font-size:8px}.address-row{align-items:flex-start}.map-link{font-size:9px;gap:6px}.footer-inner{justify-content:flex-start}.footer p{width:100%;margin:0;order:3}.back-top{margin-left:auto}}
@media(max-width:760px){.contact-details .contact-value{font-size:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}