@font-face{font-family:SuwenSans;src:url('/assets/fonts/body-v2.woff2') format('woff2');font-display:swap;font-weight:100 900}
@font-face{font-family:SuwenSerif;src:url('/assets/fonts/display-v2.woff2') format('woff2');font-display:swap;font-weight:400 900}
:root{--ink:#07565b;--deep:#063e43;--red:#db302c;--cream:#f8f7f2;--white:#fff;--celadon:#eaf0e9;--muted:#607574;--line:#d6ded8;--light-line:#ffffff30;--soft:#a6c9c3;--shadow:#043f4320;--body:SuwenSans,'Microsoft YaHei',sans-serif;--display:SuwenSerif,'Songti SC','SimSun',serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.7}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}img{display:block;max-width:100%}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}h1,h2,h3,h4,p{margin:0}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--red);outline-offset:5px}::selection{background:var(--ink);color:var(--white)}.sprite{position:absolute;width:0;height:0;overflow:hidden}.wrap{width:min(1280px,calc(100% - 112px));margin-inline:auto}.serif{font-family:var(--display);font-weight:500}.muted{color:var(--muted)}.red-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--red);flex:none}.title-dot{color:var(--red)}.eyebrow{font-size:12px;font-weight:500;letter-spacing:2.5px;line-height:1.6;margin-bottom:22px}.skip-link{position:fixed;left:20px;top:-100px;z-index:100;background:var(--white);padding:10px 20px}.skip-link:focus{top:10px}
.header{height:88px;display:flex;align-items:center;justify-content:space-between;padding:0 56px;background:var(--cream);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand strong{display:block;font-size:24px;font-weight:700;letter-spacing:3px;line-height:1.3}.brand small{display:block;font-size:8px;letter-spacing:1.7px;font-weight:600;margin-top:5px}.brand-mark{height:42px;width:42px;border:1.5px solid var(--ink);border-radius:50%;position:relative;display:block;overflow:hidden}.brand-mark:before,.brand-mark:after{content:'';position:absolute;width:50px;height:28px;border-top:1px solid var(--ink);border-radius:50%;left:-5px;top:23px;transform:rotate(-17deg)}.brand-mark:after{top:30px;transform:rotate(17deg)}.brand-mark i{position:absolute;right:8px;top:8px;width:8px;height:8px;background:var(--red);border-radius:50%}nav{display:flex;align-items:center;gap:30px;font-size:13px}nav>a{position:relative}nav>a:not(.nav-cta):after{content:'';display:block;position:absolute;bottom:-7px;width:0;height:1px;background:var(--ink);transition:width .25s}nav>a:hover:after{width:100%}nav .nav-cta{display:flex;align-items:center;gap:18px;border-left:1px solid var(--line);padding-left:25px;font-weight:600}.nav-cta svg{width:18px}.menu-toggle{display:none}
.hero{position:relative;min-height:670px;height:calc(100svh - 88px);max-height:850px;isolation:isolate;overflow:hidden}.hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% center;z-index:-2}.hero:after{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#f8f7f2ae 0%,#f8f7f240 46%,transparent 74%)}.hero-content{padding-top:clamp(90px,11vh,160px);animation:enter .9s ease-out both}.hero .eyebrow{display:flex;align-items:center;gap:12px;letter-spacing:4px;font-size:13px;margin-bottom:28px}.hero h1{font-size:clamp(52px,5.9vw,88px);font-weight:500;letter-spacing:7px;line-height:1.2}.hero-subtitle{font-size:16px;line-height:1.9;margin:26px 0 35px;color:var(--deep);letter-spacing:1px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;padding:15px 24px;font-size:13px;min-height:52px;transition:background .2s,transform .2s}.button svg{width:19px}.button:hover svg,.text-link:hover svg{transform:translateX(4px)}.button svg,.text-link svg{transition:transform .2s}.primary{background:var(--ink);color:var(--white)}.primary:hover{background:var(--deep)}.hero-bottom{position:absolute;bottom:30px;left:0;right:0;display:flex;align-items:center;justify-content:space-between;font-size:12px;letter-spacing:1.5px}.hero-bottom b{font-weight:400;margin:0 16px;color:var(--red)}.hero-bottom>a{display:flex;gap:20px;align-items:center}.hero-bottom>a span{font-size:25px}.hero-index{display:flex;align-items:center;gap:15px;font-size:10px;color:var(--cream)}.hero-index i{width:45px;border-top:1px solid currentColor}.mission-strip{display:flex;align-items:center;justify-content:center;gap:24px;padding:26px 24px;border-bottom:1px solid var(--line);background:var(--cream)}.mission-strip p{font-size:20px;letter-spacing:5px}.mission-strip em{font-style:normal;margin:0 12px;color:var(--red)}.mission-strip small{font-size:10px;letter-spacing:2px;margin-left:40px;color:var(--muted)}
.section{padding:100px 0}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:35px;margin-bottom:55px}h2{font-size:clamp(30px,3vw,44px);font-weight:500;line-height:1.45;letter-spacing:1px}.section-intro{font-size:14px;color:var(--muted);line-height:1.9;padding-bottom:6px}.engine-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.engine{position:relative;padding:38px 28px 35px;border-right:1px solid var(--line)}.engine:first-child{padding-left:0}.engine:last-child{border-right:0}.number{position:absolute;right:24px;top:25px;font-size:11px;color:var(--muted)}.engine-icon{width:47px;height:47px;stroke-width:1.3;margin:10px 0 30px}.engine h3{font-size:24px;font-weight:500}.en-label{font-size:9px;letter-spacing:1.5px;margin:5px 0 20px;color:var(--muted)}.engine p:last-child{font-size:13px;color:var(--muted);line-height:1.9}.engine-footnote{display:flex;align-items:center;justify-content:space-between;margin-top:24px;font-size:11px;letter-spacing:1px}.engine-footnote>span:last-child{display:flex;align-items:center;gap:24px}.engine-footnote svg{width:18px}
.products-section{background:var(--celadon)}.product-tabs{display:flex;gap:34px;border-bottom:1px solid var(--line);margin-bottom:32px}.product-tabs button{border:0;border-bottom:2px solid transparent;background:none;padding:0 5px 17px;font-size:15px;cursor:pointer;white-space:nowrap}.product-tabs button[aria-selected=true]{border-color:var(--red);font-weight:600}.product-stage{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(270px,1fr);background:var(--cream);min-height:410px}.product-visual{position:relative;overflow:hidden;background:var(--celadon)}.product-visual>img{width:100%;height:100%;object-fit:cover;min-height:410px;transition:object-position .4s;object-position:center}.concept-note{position:absolute;bottom:16px;left:18px;font-size:9px;background:var(--cream);color:var(--muted);padding:4px 9px;z-index:2}.product-copy{padding:48px 38px 27px;position:relative}.product-copy .eyebrow{font-size:10px;margin-bottom:22px}.product-copy h3{font-size:34px;line-height:1.45;font-weight:500;margin-bottom:20px}.product-copy>p:not(.eyebrow){font-size:13px;line-height:1.9;color:var(--muted)}.product-tags{display:flex;gap:7px;margin-top:22px}.product-tags span{font-size:10px;border:1px solid var(--line);padding:3px 9px}.text-link{display:inline-flex;gap:30px;align-items:center;font-size:12px;border-bottom:1px solid var(--ink);padding-bottom:7px;margin-top:30px}.text-link svg{width:18px}.product-page{position:absolute;right:25px;bottom:20px;font-size:10px;color:var(--muted);letter-spacing:1px}.os-visual{position:absolute;inset:0;align-items:center;justify-content:center;background:var(--celadon);padding:30px}.os-visual:not([hidden]){display:flex}.os-window{width:min(420px,100%);background:var(--cream);border:1px solid var(--line);border-radius:12px;box-shadow:0 25px 60px var(--shadow);overflow:hidden;transform:perspective(900px) rotateY(-9deg)}.os-bar{display:flex;align-items:center;gap:5px;padding:13px;border-bottom:1px solid var(--line)}.os-bar i{width:6px;height:6px;border-radius:50%;background:var(--soft)}.os-bar i:first-child{background:var(--red)}.os-bar span{font-size:8px;letter-spacing:2px;margin-left:auto}.os-body{display:flex;flex-direction:column;align-items:center;padding:30px}.os-orb{width:90px;height:90px;border-radius:50%;background:radial-gradient(circle at 30% 25%,var(--soft),var(--ink));box-shadow:12px 10px 0 -2px var(--celadon),15px 12px 0 -2px var(--ink);margin-bottom:22px}.os-body strong{font-size:25px;font-weight:500}.os-body small{font-size:11px;color:var(--muted);margin-top:8px}.os-chips{display:flex;gap:9px;margin-top:30px}.os-chips span{font-size:9px;padding:5px 18px;border:1px solid var(--line);border-radius:20px}
.scenario-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:100px}.scenario-lead>p:not(.eyebrow){margin-top:25px;font-size:14px;color:var(--muted);line-height:1.9}.outline-seal{display:inline-block;margin-top:40px;border:1px solid var(--red);color:var(--red);font-family:var(--display);padding:7px 10px;font-size:18px;line-height:1.3;letter-spacing:2px}.scenario-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:24px;padding:24px 0;font-size:21px}summary::-webkit-details-marker{display:none}summary>span{font-size:10px;letter-spacing:1px;color:var(--muted)}summary b{margin-left:auto;font-size:22px;font-weight:300}details[open] summary b{transform:rotate(45deg);color:var(--red)}details>p{padding:0 35px 26px;font-size:13px;color:var(--muted);line-height:1.9}
.about-section{position:relative;background:var(--ink);color:var(--cream);padding:90px 0;overflow:hidden}.about-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:120px;position:relative;z-index:1}.about-section .eyebrow{color:var(--soft)}.about-section h2{font-size:64px;line-height:1.25}.about-signature{font-size:10px;letter-spacing:2px;margin-top:35px;color:var(--soft)}.belief-list article{position:relative;border-bottom:1px solid var(--light-line);padding:0 0 25px 65px;margin-bottom:25px}.belief-list article:last-child{margin-bottom:0;border:0;padding-bottom:0}.belief-list article>span{position:absolute;left:0;top:4px;color:var(--soft);font-size:13px}.belief-list h3{font-size:23px;line-height:1.6;font-weight:400}.belief-list p{font-size:12px;color:var(--soft);margin-top:10px}.about-watermark{position:absolute;left:3%;bottom:-105px;font-family:var(--display);font-size:290px;line-height:1;color:var(--light-line);opacity:.3;letter-spacing:20px;pointer-events:none}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);padding-top:12px;margin-top:70px}.timeline article{position:relative;padding:42px 25px 0 0;border-top:1px solid var(--ink)}.timeline-dot{width:12px;height:12px;border-radius:50%;background:var(--red);position:absolute;top:-6px;left:0}.phase{font-size:9px;letter-spacing:2px;color:var(--muted)}.timeline h3{font-size:42px;font-weight:400;letter-spacing:-1px;line-height:1.5;margin:7px 0 15px}.timeline h3 span{color:var(--muted);font-size:32px}.timeline h4{font-size:18px;font-weight:500}.timeline article>p:last-child{font-size:12px;line-height:1.9;color:var(--muted);margin-top:15px}.roadmap-note{font-size:10px;color:var(--muted);margin-top:38px}
.cooperation-section{background:var(--deep);color:var(--cream);padding:65px 0}.cooperation-section .eyebrow{color:var(--soft)}.cooperation-section h2{font-size:42px}.cooperation-bottom{display:flex;justify-content:space-between;align-items:flex-end;margin-top:25px;gap:25px}.cooperation-bottom>p{font-size:13px;line-height:1.9;color:var(--soft)}.light{background:var(--cream);color:var(--ink)}.light:hover{background:var(--celadon)}footer{background:var(--cream);padding:45px 0 25px}.footer-main{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-bottom:35px;border-bottom:1px solid var(--line)}.footer-main>p{font-size:13px;letter-spacing:3px}.footer-main>a:last-child{font-size:11px}.footer-bottom{display:flex;justify-content:space-between;gap:30px;padding-top:22px;font-size:10px;color:var(--muted)}.footer-bottom p{max-width:680px} @keyframes enter{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1600px){.header{padding-inline:max(56px,calc((100% - 1280px)/2))}.hero-content{padding-top:135px}}
@media(max-width:1100px){.header{padding-inline:30px}nav{gap:20px;font-size:12px}.wrap{width:calc(100% - 70px)}.brand strong{font-size:21px}.brand-mark{width:36px;height:36px}nav .nav-cta{gap:12px;padding-left:18px}.hero{min-height:650px}.engine{padding-inline:20px}.engine h3{font-size:21px}.scenario-layout{gap:55px}.about-layout{gap:70px}.product-copy{padding:35px 26px}.product-copy h3{font-size:29px}.section-intro{font-size:12px}}
@media(max-width:800px){html{scroll-padding-top:75px}.header{height:75px;padding-inline:24px}.wrap{width:calc(100% - 48px)}.menu-toggle{display:flex;width:38px;height:38px;flex-direction:column;justify-content:center;align-items:center;gap:6px;border:0;background:none;cursor:pointer}.menu-toggle span{height:1px;width:22px;background:var(--ink);transition:transform .2s}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}nav{display:none;position:absolute;top:75px;left:0;right:0;background:var(--cream);padding:24px;border-bottom:1px solid var(--line);box-shadow:0 12px 20px var(--shadow)}nav.is-open{display:flex;flex-direction:column;align-items:stretch;gap:0}nav>a{padding:14px 6px;font-size:16px}nav .nav-cta{border-left:0;border-top:1px solid var(--line);padding:18px 6px;margin-top:10px;justify-content:space-between}nav>a:after{display:none}.hero{height:calc(90svh - 75px);min-height:580px;max-height:760px}.hero-image{object-position:55% center}.hero:after{background:linear-gradient(90deg,#f8f7f2df,#f8f7f290 48%,#f8f7f210)}.hero-content{padding-top:90px}.hero h1{font-size:64px}.hero-index{display:none}.hero-bottom{font-size:10px;letter-spacing:.4px}.hero-bottom b{margin:0 7px}.mission-strip{gap:15px}.mission-strip p{font-size:16px;letter-spacing:3px}.mission-strip small{display:none}.section{padding:70px 0}.section-heading{display:block;margin-bottom:35px}.section-intro{margin-top:22px;font-size:13px}.engine-grid{grid-template-columns:repeat(2,1fr)}.engine{padding:30px 22px!important}.engine:nth-child(2){border-right:0}.engine:nth-child(-n+2){border-bottom:1px solid var(--line)}.engine-icon{margin:10px 0 20px}.engine-footnote{font-size:9px;letter-spacing:0;gap:15px}.engine-footnote>span:last-child{gap:10px}.product-stage{grid-template-columns:1fr}.product-visual{height:370px}.product-visual>img{min-height:0}.product-copy{padding:32px}.product-copy h3 br{display:none}.product-copy h3{font-size:30px}.product-copy>p:not(.eyebrow){max-width:540px}.product-tabs{gap:25px;overflow-x:auto;scrollbar-width:thin}.product-tabs button{font-size:13px}.scenario-layout{grid-template-columns:1fr;gap:35px}.outline-seal{display:none}.scenario-list summary{font-size:20px}.about-section{padding:65px 0}.about-layout{gap:40px}.about-section h2{font-size:48px}.belief-list article{padding-left:0;padding-top:25px}.belief-list article>span{top:0;font-size:11px}.belief-list h3{font-size:19px}.belief-list p{font-size:11px}.about-signature{line-height:1.9}.about-watermark{font-size:200px;bottom:-65px}.timeline{margin-top:40px}.timeline h3{font-size:28px}.timeline h3 span{font-size:20px}.timeline h4{font-size:15px}.timeline article{padding:30px 16px 0 0}.cooperation-section h2{font-size:34px}.footer-main{flex-wrap:wrap}.footer-main>p{font-size:11px}.footer-bottom{display:block}.footer-bottom p{margin-top:12px}}
@media(max-width:480px){.brand strong{font-size:20px}.brand small{font-size:7px}.hero h1{font-size:53px;letter-spacing:4px}.hero-content{padding-top:82px}.hero .eyebrow{font-size:10px;letter-spacing:3px}.hero-subtitle{font-size:13px;line-height:2}.hero-bottom>a{gap:8px}.mission-strip{padding:22px 18px}.mission-strip p{font-size:15px;letter-spacing:2px}.mission-strip em{margin:0 5px}h2{font-size:29px}.eyebrow{font-size:10px;margin-bottom:16px;letter-spacing:2px}.engine{padding:26px 15px!important}.engine:nth-child(odd){padding-left:0!important}.engine h3{font-size:20px}.engine p:last-child{font-size:11px}.en-label{font-size:8px;letter-spacing:.7px}.number{right:14px}.engine-footnote>span:last-child{font-size:0}.engine-footnote svg{width:20px}.product-tabs{gap:22px}.product-visual{height:270px}.product-copy{padding:28px 24px 36px}.product-copy h3{font-size:28px}.product-page{bottom:15px}.about-layout{grid-template-columns:1fr;gap:35px}.about-section h2{font-size:52px}.belief-list article{padding-left:58px;padding-top:0}.belief-list article>span{top:4px;font-size:12px}.belief-list h3{font-size:20px}.about-signature{margin-top:20px}.timeline{grid-template-columns:1fr;margin-left:6px;padding-top:0}.timeline article{border-top:0;border-left:1px solid var(--ink);padding:0 0 38px 28px}.timeline article:last-child{padding-bottom:0}.timeline-dot{left:-6px;top:6px}.timeline h3{font-size:36px;margin:5px 0 8px}.timeline h3 span{font-size:28px}.timeline h4{font-size:17px}.timeline article>p:last-child{margin-top:8px}.cooperation-section h2{font-size:29px}.cooperation-bottom{display:block}.cooperation-bottom .button{margin-top:25px}.footer-main{gap:20px}.footer-main>p{display:none}}
@media(max-width:480px){.os-visual{padding:20px}.os-body{padding:18px}.os-orb{width:60px;height:60px;margin-bottom:15px}.os-chips{margin-top:18px}.os-body strong{font-size:22px}.os-bar{padding:9px}.os-chips span{padding:4px 12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}