:root{--ink:#20292d;--muted:#758087;--blue:#547fbe;--paper:#f8f9fa;--line:#dde2e6;--gutter:clamp(24px,5vw,88px);--font:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color-scheme:light;font-family:var(--font);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default}button,dialog{border:0}button{background:none}button:focus-visible,a:focus-visible{outline:3px solid #78aaf2;outline-offset:6px}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none}img{display:block;max-width:100%}[hidden]{display:none!important}h1,h2,p{margin:0}.section-shell{padding-inline:var(--gutter)}.skip-link{position:fixed;left:20px;top:-100px;z-index:100;padding:12px 18px;background:white;color:var(--ink)}.skip-link:focus{top:16px}
.site-header{position:fixed;inset:0 0 auto;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px var(--gutter);color:#fff;transition:background .25s,padding .25s,box-shadow .25s}.site-header.scrolled{background:rgba(32,41,45,.97);padding-block:15px;box-shadow:0 1px 0 #ffffff15}.brand{display:flex;align-items:center;gap:13px;flex:none}.brand img{width:44px;height:46px;object-fit:contain}.brand-copy{display:flex;flex-direction:column;gap:4px}.brand-copy strong{font-size:23px;font-weight:550;letter-spacing:.09em}.brand-copy>span{font-size:10px;letter-spacing:.07em;opacity:.75}.site-header nav{display:flex;align-items:center;gap:38px;font-size:14px}.nav-link{position:relative;padding:10px 0}.nav-link::after{content:"";position:absolute;left:0;right:100%;bottom:1px;height:1px;background:#fff;transition:right .2s}.nav-link:hover::after{right:0}.platform-link{display:flex;align-items:center;gap:26px;padding:11px 18px;background:#547fbe;border:1px solid #ffffff20;border-radius:3px;transition:background .2s}.platform-link:hover{background:#638ecb}.platform-link svg{width:16px;height:16px}
.hero{position:relative;min-height:730px;height:100svh;background:#20292d;color:white;overflow:hidden}.hero-media,.hero-shade{position:absolute;inset:0}.hero-media img,.hero-media video{width:100%;height:100%;object-fit:cover;object-position:center}.hero-media .media-item{animation:media-in .6s both}.hero-shade{background:linear-gradient(90deg,rgba(12,23,31,.67),rgba(12,23,31,.30) 52%,rgba(12,23,31,.06)),linear-gradient(0deg,rgba(12,23,31,.75),transparent 35%),linear-gradient(180deg,rgba(12,23,31,.3),transparent 22%);pointer-events:none}.hero-content{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;height:100%;padding:120px var(--gutter) 160px;pointer-events:none}.hero-content a{pointer-events:auto}.hero-intro{font-size:15px;letter-spacing:.15em;margin-bottom:32px;color:#ffffffb0}.hero h1{font-weight:500;font-size:clamp(46px,5.35vw,90px);letter-spacing:-.035em;line-height:1.35}.accent{color:#9abaf0;position:relative}.headline-dot{color:#9abaf0}.hero-description{font-size:15px;line-height:1.9;color:#ffffffb3;margin-top:27px;letter-spacing:.03em}.hero-cta{display:flex;align-items:center;gap:40px;font-size:14px;margin-top:35px;padding:15px 22px;background:#fff;color:var(--ink);border-radius:2px;transition:background .2s}.hero-cta:hover{background:#e0eafb}.hero-cta svg{width:18px;height:18px}.hero-bottom{position:absolute;bottom:39px;left:var(--gutter);right:var(--gutter);z-index:2;display:flex;align-items:center;gap:30px}.scroll-cue{display:flex;gap:20px;align-items:center;font-size:12px;color:#ffffffb0}.scroll-cue svg{height:28px;width:15px}.slide-info{display:flex;flex-direction:column;gap:6px;margin-left:auto;padding-right:30px;border-right:1px solid #ffffff38}.slide-kind{font-size:10px;color:#ffffff80;letter-spacing:.08em}.slide-title{font-size:13px;letter-spacing:.03em}.slideshow-controls{display:flex;align-items:center;gap:7px}.slide-count{display:flex;gap:13px;font-size:13px;font-variant-numeric:tabular-nums;margin-right:20px}.count-separator{color:#ffffff50}.slide-count>span:last-child{color:#ffffff70}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;color:inherit;flex:none;transition:background .2s}.icon-button:hover{background:#ffffff1c}.control-divider{height:18px;width:1px;background:#ffffff38;margin-inline:12px}.slide-progress{position:absolute;bottom:0;left:0;right:0;height:3px;background:#ffffff15;z-index:3}.slide-progress span{display:block;width:0;height:100%;background:#91b4eb}.video-play{position:absolute;z-index:3;right:var(--gutter);top:46%;display:flex;gap:14px;align-items:center;padding:15px 20px;background:#20292dd9;color:#fff;border:1px solid #ffffff50;border-radius:3px;font-size:14px}.video-play svg{fill:currentColor;stroke:none}.hero-status{position:absolute;right:var(--gutter);bottom:100px;font-size:12px;z-index:4;color:#fff;max-width:270px}.hero:fullscreen{min-height:0;height:100vh;width:100vw}.hero:fullscreen .hero-content{padding-top:70px}
.works{padding-top:108px;padding-bottom:76px;background:#f8f9fa;scroll-margin-top:0}.section-heading{display:flex;justify-content:space-between;gap:40px;align-items:flex-end;margin-bottom:43px}.section-intro{font-size:13px;color:var(--muted);margin-bottom:15px;letter-spacing:.035em}.section-heading h2,.about h2{font-size:clamp(30px,3.1vw,46px);line-height:1.4;font-weight:500;letter-spacing:-.03em}.section-note{font-size:13px;line-height:1.9;color:var(--muted);padding-bottom:5px}.works-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:35px;border-bottom:1px solid var(--line);padding-bottom:19px}.work-filters{display:flex;gap:32px}.filter{padding:6px 0;font-size:13px;color:#828b91;position:relative;white-space:nowrap}.filter.active{color:var(--ink)}.filter.active::after{content:"";position:absolute;left:0;right:0;bottom:-20px;background:var(--blue);height:2px}.filter span{font-size:10px;margin-left:5px;color:#8d969c;font-variant-numeric:tabular-nums}.gallery-hint{display:flex;gap:10px;align-items:center;font-size:11px;color:#909aa0}.gallery-hint svg{width:14px;height:14px}.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px 24px;align-items:start}.work-card{min-width:0}.work-open{display:block;padding:0;width:100%;text-align:left}.work-image{position:relative;overflow:hidden;background:#e8ebee}.work-image img{width:100%;height:auto;transition:transform .4s,filter .4s}.work-open:hover img{transform:scale(1.035);filter:brightness(.92)}.work-expand{position:absolute;bottom:14px;right:14px;display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:#fff;color:var(--ink);opacity:0;transform:translateY(6px);transition:opacity .2s,transform .2s}.work-expand svg{width:15px;height:15px}.work-open:hover .work-expand,.work-open:focus-visible .work-expand{opacity:1;transform:none}.work-caption{display:flex;justify-content:space-between;gap:12px;padding-top:14px;font-size:12px;color:#7b858c}.work-caption .work-name{color:#3c474f}.work-number{font-size:10px;color:#a0a7ae;font-variant-numeric:tabular-nums}.work-error{padding:20px;position:absolute;inset:0;display:grid;place-items:center;font-size:12px;background:#e8ebee;color:var(--muted)}.gallery-summary{text-align:center;color:#99a2a8;font-size:12px;margin-top:58px}.noscript-notice{padding:24px;background:#e9eef6}
.about{padding-block:98px 76px;background:#eaf0f5}.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:10%;align-items:start}.about .section-intro{color:#657f99}.about h2{line-height:1.5}.service-topics{display:flex;gap:21px;color:#60707d;font-size:12px;margin-top:30px}.about-copy{padding-top:35px;color:#677783;font-size:14px;line-height:2.15}.team-description{color:#344858;font-size:18px;line-height:1.8;margin-bottom:24px}.about-company{margin-top:26px;font-size:12px;color:#8493a1}.about-facts{display:grid;grid-template-columns:1fr 1fr 1.2fr;margin-top:66px;padding-top:39px;border-top:1px solid #cfdce6}.about-facts>div{display:flex;flex-direction:column;gap:15px;border-left:1px solid #cfdce6;padding-left:45px}.about-facts>div:first-child{padding-left:0;border:0}.about-facts strong{font-size:64px;font-weight:400;line-height:1;color:#334d64;letter-spacing:-.04em;font-variant-numeric:tabular-nums}.about-facts strong span{font-size:25px;letter-spacing:0;padding-left:6px}.about-facts>div>span{font-size:13px;color:#718292}.about-facts .process-fact{justify-content:center}.process-fact strong{font-size:36px}
.platform-section{padding-top:68px;padding-bottom:68px;display:flex;justify-content:space-between;align-items:center;gap:30px;background:white}.platform-section .section-intro{margin-bottom:12px}.platform-section h2{font-size:40px;font-weight:500;letter-spacing:.1em;margin-bottom:13px}.platform-section p:last-child{font-size:13px;color:var(--muted)}.platform-cta{padding:16px 24px;display:flex;gap:65px;align-items:center;color:#fff;background:var(--blue);border-radius:3px;font-size:14px;transition:background .2s}.platform-cta:hover{background:#416ca8}.platform-cta svg{width:18px;height:18px}.site-footer{display:flex;justify-content:space-between;gap:25px;background:#20292d;color:#ffffff7a;font-size:11px;padding-block:30px}.site-footer>p{color:#ffffffc0}.site-footer>div{display:flex;gap:30px}.site-footer a{color:#ffffffa3}.site-footer a:hover{color:white}
.lightbox{position:fixed;inset:0;width:100vw;height:100dvh;max-width:none;max-height:none;margin:0;background:#172027;color:white;padding:0;overflow:hidden}.lightbox::backdrop{background:#172027}.lightbox-top{position:absolute;top:0;left:0;right:0;padding:24px 32px;display:flex;justify-content:space-between;align-items:center;z-index:2;background:linear-gradient(#172027,transparent)}.lightbox-top h2{font-size:15px;font-weight:400}.lightbox-top p{margin-top:5px;font-size:11px;color:#8d9aa4;font-variant-numeric:tabular-nums}.lightbox-view{height:100%;display:flex;align-items:center;justify-content:center;padding:90px 85px 66px;touch-action:pan-y}.lightbox-view img{max-height:100%;max-width:100%;width:auto;height:auto;object-fit:contain;user-select:none}.lightbox-view p{position:absolute;font-size:13px;color:#b4c4d1;pointer-events:none}.lightbox-view.loading img{opacity:.25}.lightbox-arrow{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;background:#ffffff0d}.lightbox-arrow.previous{left:20px}.lightbox-arrow.next{right:20px}.lightbox-help{position:absolute;bottom:23px;left:0;right:0;text-align:center;font-size:11px;color:#8d9aa4;pointer-events:none}.lightbox-help span{padding:0 10px}body.modal-open{overflow:hidden}
@keyframes media-in{from{opacity:.35}to{opacity:1}}
.nav-pages{display:flex;gap:38px}.mobile-menu{display:none}
@media(min-width:1700px){.hero h1{font-size:96px}.section-shell{padding-inline:max(var(--gutter),calc((100vw - 1560px)/2))}}
@media(max-width:1050px){.site-header nav{gap:25px}.hero{min-height:700px}.hero h1{font-size:clamp(46px,6.3vw,70px)}.section-note{font-size:12px}.gallery{gap:25px 18px}.gallery-hint{display:none}.about-layout{gap:6%}.about-facts>div{padding-left:30px}.site-footer{flex-direction:column;gap:15px}.site-footer>div{justify-content:space-between}}
@media(max-width:700px){html{scroll-padding-top:91px}.site-header{padding:19px 22px;gap:14px;align-items:center}.brand{gap:9px}.brand img{width:33px;height:36px}.brand-copy strong{font-size:18px}.brand-copy>span{font-size:8px;letter-spacing:0}.site-header nav{gap:16px;font-size:12px}.platform-link{padding:9px 12px;gap:9px}.platform-link svg{width:13px;height:13px}.site-header.scrolled{padding:14px 22px}.hero{height:100svh;min-height:680px}.hero-content{padding:135px 24px 180px}.hero-intro{font-size:12px;margin-bottom:27px}.hero h1{font-size:clamp(37px,8.8vw,60px);letter-spacing:-.04em;line-height:1.45;white-space:nowrap}.hero-description{font-size:13px;margin-top:23px}.hero-cta{margin-top:28px;padding:14px 19px;gap:32px;font-size:12px}.hero-shade{background:linear-gradient(90deg,#0c171fb3,#0c171f47),linear-gradient(0deg,#0c171fe6,transparent 50%)}.hero-bottom{left:24px;right:24px;bottom:25px;gap:10px;flex-wrap:wrap;justify-content:space-between}.scroll-cue{display:none}.slide-info{margin:0;padding:0;border:0;flex:1 1 auto}.slideshow-controls{gap:0}.slide-count{gap:8px;margin-right:9px;font-size:11px}.icon-button{width:33px;height:38px}.icon-button svg{width:18px;height:18px}.control-divider{margin-inline:6px;height:14px}.slide-title{font-size:11px}.slide-kind{font-size:9px}.hero-status{bottom:93px;font-size:11px;right:24px}.video-play{right:24px;top:auto;bottom:120px;padding:12px;font-size:12px}.works{padding-top:66px;padding-bottom:50px}.section-heading{margin-bottom:30px;display:block}.section-heading h2,.about h2{font-size:31px}.section-intro{font-size:12px;margin-bottom:12px}.section-note{margin-top:17px;line-height:1.85}.works-toolbar{margin-bottom:24px;padding-bottom:16px}.work-filters{gap:24px}.filter{font-size:12px}.filter.active::after{bottom:-17px}.gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px 13px}.work-caption{padding-top:10px;font-size:10px;gap:4px}.work-number{font-size:9px}.work-expand{display:none}.gallery-summary{font-size:11px;margin-top:38px}.about{padding-block:59px 50px}.about-layout{grid-template-columns:1fr;gap:25px}.about-copy{padding:0;font-size:13px}.team-description{font-size:16px;margin-bottom:17px}.service-topics{font-size:11px;margin-top:22px}.about-company{margin-top:18px;font-size:11px}.about-facts{margin-top:34px;padding-top:27px;grid-template-columns:1fr 1fr;row-gap:32px}.about-facts strong{font-size:50px}.about-facts strong span{font-size:20px}.about-facts>div>span{font-size:11px}.about-facts>div{gap:10px;padding-left:24px}.about-facts .process-fact{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:flex-start;gap:24px;padding:24px 0 0;border-left:0;border-top:1px solid #cfdce6}.process-fact strong{font-size:26px}.platform-section{padding-block:43px;gap:15px}.platform-section h2{font-size:31px}.platform-section p:last-child{font-size:11px}.platform-cta{gap:19px;padding:14px 16px;font-size:12px;white-space:nowrap}.site-footer{padding-block:27px;font-size:10px}.site-footer>div{flex-wrap:wrap;justify-content:flex-start;gap:15px 24px}.site-footer>div>span{flex-basis:100%}.lightbox-top{padding:20px}.lightbox-view{padding:85px 12px 90px}.lightbox-arrow{top:auto;bottom:35px;transform:none;width:44px;height:44px}.lightbox-arrow.previous{left:24px}.lightbox-arrow.next{right:24px}.lightbox-help{bottom:14px;font-size:10px}.lightbox-help span{padding:0 5px}}
@media(max-width:440px){.site-header .nav-link{display:none}.site-header nav{gap:0}.work-filters{gap:17px}.filter{font-size:11px}.filter span{font-size:9px}.slide-info{flex-basis:100%;margin-bottom:7px;flex-direction:row;gap:12px;align-items:center}.slideshow-controls{width:100%;justify-content:flex-end}.slide-count{margin-right:auto}.hero-bottom{gap:0}.hero{min-height:665px}.hero-content{padding-bottom:190px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.hero-media .media-item{animation:none}}
@media(max-width:1050px){.nav-pages{gap:25px}}
@media(max-width:700px){.nav-pages{gap:16px}}
@media(max-width:440px){.site-header{gap:8px}.site-header nav{gap:7px}.mobile-menu{display:inline-flex;width:29px;height:34px}.nav-pages{display:none}.site-header.menu-open .nav-pages{position:absolute;top:calc(100% - 1px);right:22px;display:flex;flex-direction:column;gap:0;min-width:160px;padding:10px 20px;background:#20292d;border:1px solid #ffffff18;border-radius:3px;box-shadow:0 12px 24px #0002}.site-header.menu-open .nav-link{display:block;padding:13px 0}}

/* 品牌更新：橙黄色强调、横版标志、轻缓的项目画面运动。 */
:root{--orange:#f39917}
.hero-intro{font-weight:600}
.brand img{width:125px;height:auto;max-width:none}
.accent{color:var(--orange)}
.platform-link{padding-inline:0;background:transparent;border:0;font-weight:700;gap:14px}
.platform-link:hover{background:transparent;color:var(--orange)}
.platform-cta{background:var(--orange);color:#fff;font-weight:700}
.platform-cta:hover{background:#e98c0a}
.slide-progress span{background:var(--orange)}
.hero-media .media-item{position:absolute;inset:0;opacity:0;transition:opacity .85s ease-in-out;animation:none;will-change:opacity,transform;pointer-events:none}
.hero-media .media-item.is-visible{opacity:1}
.hero-media .media-item.is-started.motion-zoom-in{animation:hero-zoom-in var(--motion-duration) ease-in-out both}
.hero-media .media-item.is-started.motion-zoom-out{animation:hero-zoom-out var(--motion-duration) ease-in-out both}
.hero-media.is-paused .media-item.is-started{animation-play-state:paused}
@keyframes hero-zoom-in{from{transform:scale(1.025)}to{transform:scale(1.115)}}
@keyframes hero-zoom-out{from{transform:scale(1.12)}to{transform:scale(1.025)}}
.work-image img{max-height:480px;object-fit:contain}
@media(max-width:1050px){.brand img{width:105px}}
@media(max-width:700px){.brand img{width:84px}.platform-link{padding-inline:0;gap:8px}.platform-header{gap:15px}.work-image img{max-height:300px}}
@media(prefers-reduced-motion:reduce){.hero-media .media-item{transition:none!important;animation:none!important;transform:none!important}}

/* 可切换的三分类流动展示；网格布局仍沿用原版。 */
.site-header .brand img{width:112.5px;opacity:.9}
.hero h1{font-weight:550}
.black-logo{width:86px;height:auto}
.gallery-controls{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.view-switch{display:flex;gap:3px;padding:3px;border:1px solid var(--line);border-radius:3px}
.view-switch button{font-size:11px;padding:7px 12px;color:var(--muted);border-radius:2px}
.view-switch button[aria-pressed="true"]{background:var(--ink);color:#fff}
.gallery-pause{font-size:11px;color:var(--muted);padding:9px 0}
.flow-gallery{--flow-height:280px;display:flex;flex-direction:column;align-items:stretch;gap:40px;min-width:0}
.flow-row{min-width:0;width:100%}
.flow-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.flow-heading h3{font-size:17px;font-weight:500;margin:0}
.flow-heading span{font-size:11px;color:var(--muted)}
.flow-viewport{width:100%;max-width:100%;overflow:hidden;scrollbar-width:thin;scrollbar-color:#ccd4db transparent;overscroll-behavior-x:contain}
.flow-track{display:flex;width:max-content;animation:flow-left var(--flow-duration) linear infinite;will-change:transform}
.flow-row[data-direction="right"] .flow-track{animation-name:flow-right}
.flow-group{display:flex;gap:18px;padding-right:18px;flex:none;align-items:flex-start}
.flow-group .work-card,.flow-copy-card{flex:0 0 calc(var(--flow-height)*var(--image-ratio));width:calc(var(--flow-height)*var(--image-ratio));min-width:0}
.flow-group .work-image img{width:100%;height:var(--flow-height);max-height:none;object-fit:contain}
.flow-group .work-open:hover img{transform:none}
.flow-group .work-number{display:none}
.flow-copy-card{cursor:pointer}
.flow-row:hover .flow-track,.flow-paused .flow-track{animation-play-state:paused}
.flow-row:focus-within .flow-track{animation-play-state:paused}
.flow-row:has(.work-open:focus-visible) .flow-track{animation:none;transform:none}
.flow-row:has(.work-open:focus-visible) .flow-viewport{overflow-x:auto}
.flow-row:has(.work-open:focus-visible) .flow-copy{display:none}
@keyframes flow-left{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes flow-right{from{transform:translateX(-50%)}to{transform:translateX(0)}}
@media(max-width:1050px){.site-header .brand img{width:94.5px}.works-toolbar{flex-wrap:wrap}}
@media(max-width:700px){.site-header .brand img{width:75.6px}.flow-gallery{--flow-height:180px;gap:30px}.flow-heading h3{font-size:15px}.gallery-controls{justify-content:space-between;width:100%;gap:12px;margin-top:6px}.flow-group{gap:12px;padding-right:12px}.black-logo{width:68px}}
@media(prefers-reduced-motion:reduce){.flow-track{animation:none!important;transform:none!important}.flow-copy{display:none}.flow-viewport{overflow-x:auto}}

.hero-intro,.hero-description{align-self:stretch;text-align:left;margin-left:0;padding-left:0;text-indent:0}
.hero-intro{letter-spacing:.03em;padding-left:1ch}
.hero-media picture{display:block;width:100%;height:100%}
.work-image picture{display:block}
.lightbox-view picture{display:flex;align-items:center;justify-content:center;width:100%;height:100%}