/* 佳其官网：黑白基调、科技蓝与响应式产品展示。 */
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@media(min-width:1600px){.hero{min-height:730px}.hero-inner{min-height:625px}.hero-art{transform:scale(1.08)}}
@media(max-width:1100px){.header nav{gap:18px}.nav-wrap{gap:20px;width:calc(100% - 48px)}.nav-cta{display:none}.header nav{margin-left:auto;margin-right:0}.wrap{width:calc(100% - 64px)}.hero-art{transform:scale(.8);transform-origin:left center}.hero h1{font-size:53px}.hero-actions{gap:18px}.section-head h2{font-size:25px}.service-card{padding:25px 20px}.service-card h3{font-size:16px}.case-art{height:240px}.device{right:5px;width:130px}.art-copy{left:15px}.art-copy strong{font-size:18px}.art-copy p{max-width:80px;font-size:8px}.art-caption{left:15px}.contact-grid{gap:45px}.contact-panel{padding:25px}.footer-grid{gap:30px}.detail-grid{gap:50px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.header{height:70px}.nav-wrap{width:calc(100% - 40px)}.brand>span{font-size:18px}.brand small{font-size:7px}.menu-toggle{display:block;margin-left:auto}.header nav{display:none;position:absolute;left:0;right:0;top:70px;background:#fff;color:var(--ink);padding:16px 25px;box-shadow:0 12px 20px #12234214}.header nav.open{display:flex;flex-wrap:wrap;gap:0}.header nav a,.is-home .header nav a{width:33.33%;text-align:center;color:#525d6b;padding:14px 0}.header nav a.active:after{bottom:5px}.is-home .header nav a.active{color:var(--blue)}.hero-inner{grid-template-columns:1fr;min-height:0}.hero-copy{padding:50px 0 10px}.hero-tag{font-size:8px;margin-bottom:23px}.hero h1{font-size:48px}.hero-copy>p{font-size:15px;margin-top:20px}.hero-copy>p>span{font-size:11px}.hero-actions{gap:24px;margin-top:25px}.btn{font-size:12px;padding:13px 18px;gap:20px}.hero-actions .text-link{font-size:11px}.hero-benefits{margin-top:23px}.hero-art{height:340px;width:480px;transform:scale(.7);transform-origin:left top;margin-top:30px;margin-bottom:-80px;left:calc(50% - 168px)}.hero-bottom{font-size:7px;gap:12px}.hero-bottom>span:last-child{gap:8px;font-size:6px}.hero-bottom i{width:18px}.section{padding-top:55px;padding-bottom:55px}.section-head{display:block;margin-bottom:28px}.section-head h2{font-size:24px;line-height:1.55}.section-head>p{margin-top:15px;font-size:11px}.service-grid{grid-template-columns:1fr 1fr}.service-card:nth-child(2){border-right:0}.service-card:nth-child(-n+2){border-bottom:1px solid var(--line)}.service-card{padding:24px 19px}.service-top{margin-bottom:28px}.service-card>small{font-size:6px;letter-spacing:.3px}.service-card h3{font-size:15px}.service-card p{font-size:11px;min-height:72px}.service-link{font-size:10px;margin-top:22px}.service-icon{font-size:30px}.case-grid{grid-template-columns:1fr 1fr;gap:24px 15px}.case-art{height:210px}.art-copy{top:17px;left:13px;max-width:90%}.art-copy strong{font-size:16px}.art-copy>span{font-size:4px}.art-copy p{display:none}.device{top:79px;right:12px;transform:rotate(10deg) scale(.7);transform-origin:top right}.case-card:hover .device{transform:rotate(5deg) scale(.7)}.art-caption{font-size:3px;left:10px;bottom:10px}.case-info h3{font-size:12px}.case-info p{font-size:8px}.case-info>span{font-size:17px}.filter-tabs{gap:18px}.filter-tabs button{font-size:11px}.section-toolbar{display:block}.section-toolbar>.text-link{display:inline-block;margin-top:15px}.process-grid{grid-template-columns:1fr 1fr;gap:30px}.process-grid h3{font-size:17px}.process-grid p{font-size:11px}.article-grid{grid-template-columns:1fr;gap:22px}.article-card{display:grid;grid-template-columns:35% 65%}.article-art{height:100%;min-height:165px;padding:18px}.article-art>strong{font-size:18px;letter-spacing:-.5px}.article-art>b{font-size:65px;right:8px;bottom:0}.article-info{padding:18px}.article-info h3{font-size:14px;margin:10px 0 16px}.article-info small{font-size:8px}.cta{display:block;padding-top:42px;padding-bottom:42px}.cta h2{font-size:23px;margin-bottom:24px}.cta .eyebrow{font-size:8px}.footer{padding-top:45px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding-bottom:35px}.footer-grid>div:first-child{grid-column:1/-1}.footer-grid>div:last-child{grid-column:1/-1}.footer-grid h3{margin-bottom:16px}.footer p{margin:15px 0}.copyright{flex-wrap:wrap;gap:8px 20px;font-size:8px}.copyright>span:nth-child(2){display:none}.floating{right:8px;bottom:18px}.floating>a,.floating>button{width:35px;height:35px}.floating>a{height:49px}.floating small{font-size:8px}.page-banner{padding:20px 0 35px}.page-banner h1{font-size:33px}.page-banner p{font-size:12px}.page-banner .eyebrow{font-size:9px}.breadcrumb{margin-bottom:22px}.search-input{margin-top:20px}.search-input input{width:100%}.list-caption{font-size:10px}.art-large{height:350px}.art-large .art-copy{top:30px;left:25px}.art-large .art-copy strong{font-size:33px}.art-large .art-copy>span{font-size:7px}.art-large .art-copy p{font-size:12px;display:block}.art-large .device{top:145px;right:18%;transform:rotate(10deg) scale(1.05)}.art-large .art-caption{left:20px;bottom:15px;font-size:5px}.detail-grid{grid-template-columns:1fr;gap:30px;margin-top:35px}.detail-grid h2,.about-intro h2{font-size:28px}.detail-grid p{font-size:13px}.solution-features{gap:14px}.solution-features>div{padding:20px}.approach{padding:40px 20px;margin-top:45px}.approach h2{font-size:22px}.about-intro{grid-template-columns:1fr;gap:15px}.culture-grid{grid-template-columns:1fr 1fr;gap:15px}.culture-grid>div{padding:22px}.culture-grid p{font-size:11px}.about-statement{padding:45px 25px}.about-statement h2{font-size:27px}.article-body{padding-top:40px;padding-bottom:50px}.article-body h1{font-size:27px}.article-body .article-lead{font-size:14px}.article-body p{font-size:13px}.contact-grid{grid-template-columns:1fr;gap:35px}.contact-copy h2{font-size:36px}.contact-steps{display:none}.contact-note{margin-top:20px;padding-top:17px}.contact-panel{padding:25px 20px}.form-title h3{font-size:18px}.form-grid{gap:18px 12px}.form-grid input,.form-grid select{padding:11px 9px}.privacy-dialog{max-width:calc(100% - 70px);padding:25px}.empty{padding:45px 15px}.eyebrow{font-size:9px}}
/* 案例以实际图片为主，详情完整呈现，避免裁剪长图。 */
.photo-art{background:#f0f3f7;height:auto;aspect-ratio:1.4}.photo-art:after{display:none}.photo-art>img{width:100%;height:100%;display:block;object-fit:contain;transition:transform .35s}.case-card:hover .photo-art>img{transform:scale(1.025)}.project-summary{display:grid;grid-template-columns:1.5fr 1fr;gap:80px;padding:25px 0 55px}.project-summary h2{font-size:28px;margin-bottom:20px}.project-summary p{color:var(--muted);font-size:14px;line-height:2;overflow-wrap:anywhere}.project-meta{border-left:1px solid var(--line);padding-left:40px}.project-meta>span{font-size:12px;color:var(--blue)}.project-meta>p{margin:12px 0 24px}.project-gallery{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}.project-gallery figure{margin:0;background:#f5f7fa;padding:20px;min-width:0}.project-gallery img{display:block;width:100%;height:auto;max-height:none;object-fit:contain}.project-gallery figcaption{font-size:11px;color:var(--muted);text-align:center;padding-top:16px}.project-gallery figure.wide{grid-column:1/-1}
@media(max-width:760px){.project-summary{grid-template-columns:1fr;gap:25px;padding:15px 0 35px}.project-meta{border-left:0;padding-left:0}.project-summary p{font-size:13px}.project-gallery{grid-template-columns:1fr;gap:20px}.project-gallery figure{padding:12px}.project-gallery figcaption{font-size:10px;padding-top:12px}.photo-art{aspect-ratio:1.15}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.device,.service-card,.photo-art>img{transition:none}}