/* A quiet, image-led interior system for Tianfu Zhida. */
.atelier-page{--content:min(1240px,calc(100vw - 112px));--ink:#153247;--body:#586d7d;--muted:#687e8d;--soft:#f3f7f8;--line:#dde6eb;--accent:#275b76;background:#fff;letter-spacing:0}
.atelier-page .rv{opacity:1;transform:none;transition:none!important}
.at-shell{width:var(--content);margin-inline:auto}
.atelier-page .hd{background:#ffffffed;border-bottom:1px solid #e7edef}
.atelier-page .hd-in{height:80px;gap:26px}
.atelier-page .hd-cta .btn-p{background:#153247;border-color:#153247;color:#fff;min-height:42px}
.atelier-page .tel svg{display:none}
.atelier-page .nav a.on{color:#153247}.atelier-page .nav a.on::after{background:#779eb3}
.atelier-page .ph{background:#f3f7f8;color:var(--ink);overflow:hidden;position:relative}
.atelier-page .ph::before,.atelier-page .ph::after{display:none}
.atelier-page .ph-in{width:var(--content);padding:34px 0 64px;position:relative;z-index:1}
.atelier-page .crumb{color:#6b7f8c;font-size:12px;margin-bottom:46px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.atelier-page .crumb a{color:#617889}.atelier-page .crumb a:hover{color:#17364c}.atelier-page .crumb i{opacity:.45;font-style:normal}
.at-hero-grid{display:grid;grid-template-columns:1.04fr 1fr;gap:68px;align-items:center}
.atelier-page .ph h1{color:var(--ink);font-size:clamp(38px,4.2vw,62px);line-height:1.27;letter-spacing:-.045em;font-weight:700;max-width:17ch;margin:0}
.atelier-page .ph .lead{color:#607786;font-size:16px;line-height:1.9;margin:23px 0 0;max-width:42ch}
.at-hero-actions{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin-top:29px}
.at-text-link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:18px;padding:9px 0;color:#244e67;border-bottom:1px solid #a5bdcb}


.at-art{margin:-26px -20px -30px -30px;position:relative}
.at-art img{width:100%;height:365px;object-fit:contain}
.at-brand-sculpture{height:330px;display:grid;place-items:center;background:radial-gradient(ellipse at 50% 63%,#d8e9f166,transparent 66%)}.at-brand-sculpture img{width:205px;filter:drop-shadow(0 25px 22px #1532470a)}
.at-catalog .at-hero-grid,.at-contact-page .at-hero-grid{display:block}.at-catalog .at-hero-grid>div,.at-contact-page .at-hero-grid>div{display:grid;grid-template-columns:1.15fr 1fr;gap:70px;align-items:center}.at-catalog .ph-in,.at-contact-page .ph-in{padding-bottom:53px}.at-catalog .ph .lead,.at-contact-page .ph .lead{margin:0;max-width:43ch}.at-catalog .ph h1{font-size:clamp(37px,3.7vw,54px)}.at-contact-page .ph h1{font-size:52px}
.at-hero-note{display:flex;gap:24px;flex-wrap:wrap;margin-top:30px;font-size:12px;color:#536e80}
.at-hero-note span{padding-left:14px;position:relative}.at-hero-note span::before{content:'';width:4px;height:4px;background:#86adbd;position:absolute;left:0;top:9px;border-radius:50%}
.at-section{padding:90px 0}.at-section-soft{background:#f3f7f8}
.at-section-head{display:flex;justify-content:space-between;gap:32px;align-items:end;margin-bottom:38px}
.at-section-head h2,.at-heading{font-size:clamp(27px,2.5vw,36px);line-height:1.4;font-weight:650;letter-spacing:-.035em}
.at-section-head p{font-size:14px;color:var(--body);margin-top:12px;max-width:45ch}
.at-service-nav{display:flex;gap:36px;padding:25px 0;border-bottom:1px solid var(--line);font-size:14px;flex-wrap:wrap}
.at-service-nav a{color:#567080}.at-service-nav a:hover{color:#14394f}
.at-service-group{display:grid;grid-template-columns:240px minmax(0,1fr);gap:54px;padding:62px 0;border-bottom:1px solid var(--line);scroll-margin-top:110px}
.at-service-group:last-child{border-bottom:0;padding-bottom:0}
.at-service-group header h2{font-size:28px;line-height:1.4;font-weight:650}.at-service-group header p{font-size:14px;line-height:1.8;color:#69808f;margin-top:13px;max-width:21ch}
.at-service-items{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:37px 48px}
.at-service-item{position:relative;padding-bottom:21px;border-bottom:1px solid #e3eaee}
.at-service-item h3{font-size:19px;line-height:1.5;font-weight:650}

.at-service-item p{font-size:14px;color:#647b8b;line-height:1.9;margin:11px 0 15px;max-width:31ch}
.at-service-item small{font-size:12px;color:#7a8e9b;display:block}
.at-feature{display:grid;grid-template-columns:1.1fr 1fr;min-height:400px;background:#122d44;color:#fff;overflow:hidden;border-radius:3px}
.at-feature figure{margin:0;position:relative;min-height:100%}.at-feature figure img{width:100%;height:100%;object-fit:cover}.at-feature figcaption{position:absolute;bottom:15px;left:20px;font-size:11px;color:#fff;background:#112c43a0;padding:3px 8px}
.at-feature-copy{padding:54px;display:flex;flex-direction:column;align-items:start;justify-content:center}.at-feature-copy h2{font-size:31px;line-height:1.5;color:#f4f8fa;letter-spacing:-.03em}.at-feature-copy p{font-size:14px;line-height:1.9;color:#b8cad6;margin:19px 0 26px;max-width:35ch}.at-feature-copy .at-text-link{color:#d5e6ee;border-bottom-color:#678296}
.at-cta{padding:66px 0 76px;background:#fff}.at-cta-in{display:grid;grid-template-columns:1fr auto;align-items:center;gap:35px;border-top:1px solid #cfdce4;padding-top:53px}.at-cta h2{font-size:clamp(28px,3vw,40px);letter-spacing:-.045em;color:#143448}.at-cta p{margin-top:14px;font-size:15px;color:#688091}.at-cta-actions{display:flex;gap:25px;align-items:center}.at-cta .btn{min-height:49px;padding-inline:25px}.at-cta-actions>a:last-child{font-size:15px;color:#456477;font-variant-numeric:tabular-nums}
/* Catalog: horizontal wayfinding and generous image pairs. */
.atelier-page .catalog-section{padding:0 0 76px}
.atelier-page .catalog-layout{display:block}
.atelier-page .catalog-aside{position:relative;top:auto;margin-bottom:43px;border-bottom:1px solid var(--line)}
.atelier-page .catalog-aside-note{display:none}
.atelier-page .catalog-nav{display:flex;flex-direction:row;flex-wrap:wrap;gap:30px;padding:0;background:transparent}
.atelier-page .catalog-nav a{position:relative;padding:24px 0 20px;font-size:14px;font-weight:500;border-radius:0;background:transparent;color:#607786;white-space:nowrap}
.atelier-page .catalog-nav a[aria-current]{color:#143a50;background:transparent;font-weight:700}
.atelier-page .catalog-nav a[aria-current]::after{content:'';position:absolute;bottom:-1px;left:0;right:0;height:3px;background:#5c8da5}
.atelier-page .catalog-nav a:hover{color:#214e68;background:transparent}
.atelier-page .catalog-content .scene-grid,.atelier-page .project-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:48px 36px}
.atelier-page .project-card,.atelier-page .scene-card,.atelier-page .case-card{border:0;border-radius:0;box-shadow:none;padding:0;background:transparent;overflow:visible;transition:none}
.atelier-page .project-card:hover,.atelier-page .scene-card:hover,.atelier-page .case-card:hover{box-shadow:none;border:0}
.atelier-page .project-card>.case-visual{margin:0 0 23px;width:100%}
.atelier-page .case-visual,.atelier-page .scene-image{aspect-ratio:16/10;border-radius:3px;overflow:hidden}
.atelier-page .scene-copy{padding:23px 0 0}.atelier-page .scene-copy h3,.atelier-page .project-card h3{font-size:22px;margin:6px 0 10px;letter-spacing:-.025em}
.atelier-page .scene-copy p,.atelier-page .project-card p{font-size:14px;color:#6b7f8c;line-height:1.8}
.atelier-page .scene-label,.atelier-page .project-type{font-size:12px;color:#608197;margin-bottom:0}
.atelier-page .scene-more,.atelier-page .project-card .catalog-link{border-top:1px solid #dfe7eb;margin-top:21px;padding-top:13px;font-size:12px;color:#315b72;min-height:38px}
.atelier-page .scene-more>span{border:0;width:auto;height:auto;font-size:19px}
.atelier-page .project-card .tags{margin-top:15px;gap:8px}.atelier-page .tag{border:0;background:#edf3f6;color:#607a8a;font-size:11px;font-weight:400;border-radius:3px;padding:5px 9px}
.atelier-page .example-type{background:none;padding:0;color:#687f8e}
.atelier-page .catalog-section-head{margin:55px 0 28px}.atelier-page .catalog-section-head h2{font-size:30px;font-weight:650}
.atelier-page .catalog-note{line-height:1.8;color:#708593;font-size:12px}
.atelier-page .catalog-group{margin-bottom:60px}.atelier-page .catalog-group>h2{font-size:27px;margin-bottom:27px}
.atelier-page .group-jumps{margin-bottom:40px;gap:22px}.atelier-page .group-jumps a{padding:8px 0;border:0;border-bottom:1px solid #b8cdd8;border-radius:0;background:none;color:#3c647b;font-size:13px}
.at-product-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:25px;margin:15px 0 64px}
.at-product-link{padding:0 0 22px;border-bottom:1px solid #bdd0dc}.at-product-link svg{width:30px;height:30px;margin-bottom:23px;color:#608298}.at-product-link h2{font-size:27px;font-weight:650}.at-product-link p{font-size:13px;color:#6f8594;margin:9px 0 18px}.at-product-link span{font-size:12px;color:#35617b;display:flex;justify-content:space-between}
/* Detail: introduction and image belong to one visual composition. */
.at-detail .ph-in{padding-bottom:55px}.at-detail .ph .crumb{margin-bottom:36px}
.at-detail .at-hero-grid{grid-template-columns:.9fr 1.1fr;gap:58px}.at-detail .ph h1{font-size:clamp(30px,3.1vw,47px);line-height:1.4}
.at-detail .ph .lead{font-size:15px;max-width:37ch}
.at-detail-image{position:relative;margin:0}.at-detail-image img{width:100%;height:100%;max-height:370px;aspect-ratio:1.5;object-fit:cover;border-radius:3px}.at-detail-image figcaption{position:absolute;bottom:13px;right:14px;color:#fff;background:#102a40b0;font-size:10px;padding:3px 8px;border-radius:3px}
.at-reading{display:grid;grid-template-columns:210px minmax(0,1fr);gap:74px;padding-block:70px}
.at-toc{position:sticky;top:114px;align-self:start}.at-toc strong{font-size:12px;font-weight:500;color:#7d929f;display:block;margin-bottom:18px}.at-toc a{display:block;color:#5f798a;font-size:13px;padding:9px 14px;border-left:1px solid #e0e8ed}.at-toc a:hover,.at-toc a[aria-current]{color:#1f4e68;border-left:2px solid #608fa6;background:#f4f8fa}
.at-reading-content{min-width:0;max-width:900px}.at-reading-content h2{scroll-margin-top:110px;font-size:27px;line-height:1.5;margin:0 0 20px;letter-spacing:-.035em}
.atelier-page .at-reading-content>.sec{padding:0 0 58px;background:none}
.atelier-page .at-reading-content>.sec>.wrap{width:auto;max-width:none!important}
.at-reading-content .sh{margin-bottom:24px}.at-reading-content .sh p{font-size:15px;line-height:1.95;max-width:66ch;color:#607787}
.atelier-page .at-reading-content .feat{padding:20px 0;border-top:1px solid #e4ebef;border-bottom:0;margin:0;gap:17px;box-shadow:none;background:none}
.atelier-page .feat .dot{border-radius:0;background:none;color:#809aa9;box-shadow:none;width:24px;flex-shrink:0;font-weight:500}
.atelier-page .feat h4{font-size:17px;font-weight:650}.atelier-page .feat p{font-size:14px;color:#68808f;line-height:1.9}
.atelier-page .at-reading-content .grid{gap:24px}.atelier-page .at-reading-content .g3{grid-template-columns:repeat(2,minmax(0,1fr))}
.atelier-page .at-reading-content .card{border:0;border-radius:0;box-shadow:none;padding:23px 0;border-top:1px solid #b8cedb;background:none}
.atelier-page .at-reading-content .card h3{font-size:19px;margin-bottom:13px}.atelier-page .at-reading-content .card p{font-size:14px;color:#617989;line-height:1.9}.atelier-page .at-reading-content .num{display:none}
.atelier-page .faq details{border:0;border-bottom:1px solid #dce6ec;border-radius:0;background:none;margin:0;padding:0}.atelier-page .faq summary{padding:22px 0;font-size:15px}.atelier-page .faq .ans{padding:0 0 23px;font-size:14px;line-height:1.9;color:#65808f}
.atelier-page .at-reading-content .scene-detail{display:none}
.atelier-page .case-top{padding:19px 0 0;background:none;border:0}.atelier-page .case-body{padding:14px 0}.atelier-page .case-body h3{font-size:20px;line-height:1.6}.atelier-page .case-body p{font-size:14px;color:#657e8d}
.atelier-page .module-list{gap:13px;margin-bottom:40px}.atelier-page .module-list span{border:0;border-bottom:1px solid #bdd0dc;border-radius:0;background:#f3f7f9;padding:14px 22px;color:#3f6278;font-size:14px}
.atelier-page .example-intro{margin:0 0 39px}.atelier-page .example-intro p,.atelier-page .example-scope p{font-size:15px;line-height:1.9;color:#627b8c}
.atelier-page .example-flow{gap:15px;margin-bottom:44px}.atelier-page .example-flow li{border-top:1px solid #a9c4d4;padding:20px 0;font-size:14px}.atelier-page .example-flow span{font-size:12px;color:#7694a6}
.at-reading-content>.project-type{margin-bottom:20px}
/* Technology: connected layers, with useful labels rather than ornaments. */
.at-tech-intro{display:grid;grid-template-columns:.72fr 1.28fr;gap:72px;align-items:center}
.at-tech-intro h2{font-size:32px;line-height:1.5}.at-tech-intro p{font-size:15px;line-height:1.9;color:#6a8090;margin-top:20px}
.at-stack{position:relative;padding:35px 42px;background:#102c43;border-radius:4px;isolation:isolate}
.at-stack::before{content:'';position:absolute;width:1px;left:104px;top:45px;bottom:55px;background:#7895a780;z-index:-1}
.at-stack-row{display:grid;grid-template-columns:94px 1fr;gap:25px;align-items:center;padding:24px 0;border-bottom:1px solid #c7dce720}.at-stack-row:last-child{border-bottom:0}.at-stack-row h3{font-size:15px;color:#e1ecf1;background:#102c43;padding:8px 0}.at-stack-row div{display:flex;gap:9px;flex-wrap:wrap}.at-stack-row span{font-size:12px;color:#b4cbd9;border:1px solid #7699b040;padding:6px 11px;background:#527b9814;border-radius:3px}
.at-delivery{margin:0;padding:0;list-style:none}.at-delivery li{display:grid;grid-template-columns:46px 200px minmax(0,1fr) 170px;gap:27px;align-items:start;padding:26px 0;border-top:1px solid #dae5eb}.at-delivery li>span{font-size:12px;color:#83a0b1;padding-top:4px;font-variant-numeric:tabular-nums}.at-delivery h3{font-size:21px;font-weight:650}.at-delivery p{font-size:14px;line-height:1.8;color:#607a8b}.at-delivery small{font-size:12px;color:#5a7c92;padding-top:4px}
.at-integration{display:flex;align-items:center;justify-content:space-between;gap:35px;padding:44px 48px;background:#eaf2f6}.at-integration h2{font-size:27px;flex:0 0 auto}.at-integration p{font-size:14px;color:#58768a;line-height:1.9;max-width:65ch}
/* About and consultation: fewer containers, more space. */
.at-story{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px}.at-story h2{font-size:34px;line-height:1.5;letter-spacing:-.04em}.at-story p{font-size:16px;line-height:2.05;color:#5c7688}.at-story p+p{margin-top:22px}
.at-principles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:36px;margin-top:52px}.at-principles article{border-top:1px solid #aec8d8;padding-top:23px}.at-principles h3{font-size:22px;margin-bottom:17px}.at-principles p{font-size:14px;color:#648092;line-height:1.9}
.at-location{display:grid;grid-template-columns:1fr 1fr;gap:75px;align-items:center}.at-location-visual{background:#122e43;min-height:320px;position:relative;display:grid;place-items:center;overflow:hidden}.at-location-visual img{width:160px;height:160px;opacity:.9}.at-location-visual::after{content:'';position:absolute;inset:35px;border:1px solid #8ab7d130;border-radius:50%}.at-location h2{font-size:30px}.at-location p{font-size:16px;line-height:1.9;color:#6b8190;margin:20px 0 30px;max-width:29ch}
.at-contact{display:grid;grid-template-columns:1fr 1.04fr;gap:100px;padding-block:70px 90px;align-items:start}
.at-contact-direct{padding-top:4px}.at-contact h2{font-size:27px;line-height:1.4;margin-bottom:14px}.at-contact p{font-size:14px;color:#6c8493;line-height:1.9}
.at-wechat{display:grid;grid-template-columns:132px 1fr;align-items:center;gap:24px;background:#f0f5f7;padding:27px;margin:28px 0 31px;border-radius:4px}.at-wechat img{width:132px;background:#fff;padding:7px}.at-wechat strong{font-size:19px;font-weight:600;color:#21455d}.at-wechat p{font-size:13px;margin-top:9px}
.at-contact-phone{font-size:31px;font-weight:600;letter-spacing:-.03em;color:#214a63;display:block;margin-bottom:5px}
.at-contact-details{margin-top:29px;padding-top:25px;border-top:1px solid #dce6ec}.at-contact-details dt{font-size:12px;color:#7d95a3;margin-top:15px}.at-contact-details dd{margin:5px 0 0;color:#496d83;font-size:14px;max-width:33ch;line-height:1.8}
.at-form{padding:35px 39px 38px;border:1px solid #dce7ed;border-radius:4px;box-shadow:0 18px 50px #17395105;background:#fff}.at-form>p{margin-bottom:29px}.at-field{margin-bottom:22px}.at-field label{display:block;font-size:13px;color:#355a70;font-weight:600;margin-bottom:10px}.at-field label span{font-size:11px;font-weight:400;color:#7c939f;margin-left:9px}.at-field input,.at-field select{appearance:none;width:100%;min-height:48px;padding:12px 14px;border:1px solid #cddde6;border-radius:3px;font:inherit;font-size:14px;color:#254d65;background:#f8fafb}.at-field select{padding-right:30px;background-image:url("data:image/svg+xml,%3Csvg width='12' height='8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='m1 1 5 5 5-5' fill='none' stroke='%23658191' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}.at-field input::placeholder{color:#8ba0ab;font-size:13px}.at-field input:focus,.at-field select:focus{outline:2px solid #89b8d0;outline-offset:2px;background:#fff}.at-form .btn{width:100%;min-height:49px}.at-form .at-privacy{font-size:11px;text-align:center;margin:13px 0 0;color:#7b929f}.at-form #contact-status{font-size:14px;line-height:1.7;margin-top:16px;color:#315b72}.at-form #contact-status:empty{display:none}.at-form #contact-status[data-state="error"]{color:#aa3d32}.at-form .btn:disabled{opacity:.65;cursor:wait}
.atelier-page [hidden]{display:none!important}
@media(hover:hover){.at-product-link:hover h2,.at-service-item:hover h3{color:#548ca8}}
@media(min-width:901px){.at-hero-grid{animation:at-arrive .65s cubic-bezier(.2,.7,.3,1) both}@keyframes at-arrive{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:none}}}
@media(max-width:1100px){.atelier-page{--content:calc(100vw - 64px)}.atelier-page .nav{top:80px}.at-hero-grid{gap:30px}.at-reading{grid-template-columns:160px minmax(0,1fr);gap:40px}.at-service-group{grid-template-columns:180px minmax(0,1fr);gap:32px}.at-contact{gap:50px}.at-form{padding:30px}.at-tech-intro{gap:40px}.at-delivery li{grid-template-columns:35px 170px 1fr;gap:20px}.at-delivery small{grid-column:3;padding-top:0;margin-top:-10px}.at-feature-copy{padding:36px}.at-story{gap:45px}}
@media(max-width:800px){.at-hero-grid{grid-template-columns:1.1fr .9fr;gap:15px}.at-art{margin:0 -25px}.at-art img{height:290px}.atelier-page .ph h1{font-size:39px}.atelier-page .ph .lead{font-size:14px}.at-section{padding:65px 0}.at-service-group{display:block;padding-block:42px}.at-service-group header{margin-bottom:31px}.at-service-group header p{max-width:none;margin-top:9px}.at-service-items{gap:28px}.at-product-links{grid-template-columns:repeat(2,minmax(0,1fr));gap:35px;margin-bottom:43px}.at-detail .at-hero-grid{gap:30px}.at-detail .ph h1{font-size:32px}.at-cta-in{display:block}.at-cta-actions{margin-top:28px}.at-tech-intro{display:block}.at-stack{margin-top:33px}.at-principles{grid-template-columns:repeat(2,minmax(0,1fr));gap:35px}.at-contact{gap:30px;grid-template-columns:1fr 1fr}.at-wechat{grid-template-columns:1fr;padding:22px}.at-wechat img{width:124px}.at-form{padding:25px}.at-reading{display:block;padding-top:32px}.at-toc{position:static;display:flex;flex-wrap:wrap;gap:10px 22px;border-bottom:1px solid #dbe7ee;margin-bottom:40px;padding-bottom:20px}.at-toc strong{display:none}.at-toc a,.at-toc a[aria-current]{border:0;padding:5px 0;background:none;font-size:12px}.at-feature{min-height:330px}.at-feature-copy h2{font-size:27px}.at-story{grid-template-columns:1fr;gap:30px}.at-location{gap:35px}.at-integration{display:block;padding:33px}.at-integration p{margin-top:17px}}
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