@charset "UTF-8";
.brand-logo{display:block;width:240px;height:66px;background:#fff url('wangjia-logo-original.jpg') center 47.5% / 320px 320px no-repeat}
:root{--navy:#082c50;--deep:#071f36;--blue:#176cf3;--ink:#142e43;--muted:#657482;--paper:#f2f5f7;--line:#d7e0e6;--white:#fff;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:95px}*{box-sizing:border-box}body{margin:0;background:#fff}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;width:100%}p,h1,h2,h3{margin:0}p{line-height:1.85}a:focus-visible,button:focus-visible{outline:3px solid #f0aa22;outline-offset:6px}.skip-link{position:fixed;left:10px;top:-60px;padding:12px;background:#fff;z-index:99}.skip-link:focus{top:10px}.header{height:94px;background:rgba(255,255,255,.97);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line)}.header-inner{max-width:1600px;height:100%;margin:auto;padding:0 4.5%;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand-symbol{font-size:38px;font-weight:950;font-style:italic;letter-spacing:-8px;padding-right:8px;color:var(--blue)}.brand strong{font-size:25px;letter-spacing:2px;display:block}.brand small{font-size:8px;letter-spacing:1.35px;display:block;margin-top:5px}.header nav{display:flex;align-items:center;gap:32px;font-size:14px;font-weight:550}.header nav a{padding:18px 0}.header nav a:hover{color:var(--blue)}.header-cta{font-size:14px;color:var(--blue);font-weight:600}.header-cta span{margin-left:18px}.menu-toggle{display:none}.hero{display:grid;grid-template-columns:1.02fr 1fr;min-height:650px;background:var(--navy);color:#fff}.hero-copy{padding:80px 9% 35px;position:relative;display:flex;flex-direction:column;justify-content:center}.eyebrow{font-size:12px;letter-spacing:1.5px;color:#b6c8d9;line-height:1.5;margin-bottom:29px;font-weight:550}.eyebrow>span{display:inline-block;width:22px;height:2px;background:#58aeff;vertical-align:middle;margin-right:8px}.hero h1{font-size:clamp(34px,3.9vw,64px);font-weight:650;letter-spacing:-1.5px;line-height:1.32;white-space:nowrap}.hero h1 em{font-style:normal;color:#7bb8ff}.hero-description{font-size:16px;color:#c0d0df;margin-top:25px}.hero-actions{display:flex;align-items:center;gap:30px;margin-top:35px}.button{display:inline-flex;padding:17px 25px;gap:30px;font-size:15px;font-weight:550;align-items:center;justify-content:center;transition:background .2s}.button-primary{background:var(--blue);color:#fff}.button-primary:hover{background:#3483ff}.text-link{font-size:14px;display:inline-flex;gap:14px;align-items:center}.text-link:hover{text-decoration:underline;text-underline-offset:6px}.hero-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;border-top:1px solid #456079;margin-top:65px;padding-top:23px;font-size:12px;color:#9fb3c6}.hero-visual{position:relative;overflow:hidden;background:#293e4b;min-height:650px}.photo-window{position:relative;overflow:hidden;background:#10283d}.hero-visual .photo-window{position:absolute;inset:0}.control-photo img{position:absolute;width:140%;height:auto;max-width:none;left:-20%;top:50%;transform:translateY(-50%)}.image-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,22,40,.08) 25%,rgba(0,19,37,.84) 100%)}.visual-title{position:absolute;left:9%;right:7%;bottom:65px}.visual-title>span{font-size:11px;letter-spacing:2px;color:#c7d8e6}.visual-title h2{font-size:30px;line-height:1.5;margin:14px 0}.visual-title p{font-size:12px;color:#adbfce}.visual-index{position:absolute;right:8%;top:35px;color:#fff;font-size:12px;letter-spacing:2px}.section-shell{padding:96px max(5%,calc((100vw - 1320px)/2))}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:35px;margin-bottom:46px}.dark{color:#557187}.section-heading .eyebrow{margin-bottom:21px}.section-heading h2,.about h2{font-size:38px;line-height:1.45;letter-spacing:-.6px;font-weight:600}.section-intro{font-size:15px;line-height:1.9;color:var(--muted);padding-bottom:8px}.solutions{background:var(--paper)}.solution-list{border-top:1px solid #a7b8c6}.solution-row{display:grid;grid-template-columns:55px 240px 1fr 110px;gap:20px;align-items:center;border-bottom:1px solid var(--line);padding:34px 0}.row-number{font-size:13px;color:#69859a}.solution-row h3{font-size:23px;font-weight:550}.solution-row p{font-size:15px;color:var(--muted)}.row-tag{font-size:12px;text-align:right;color:#457699}.field-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center}.field-image{margin:0}.field-photo{height:380px;background:#333}.field-photo img{position:absolute;width:150%;left:-25%;top:50%;transform:translateY(-50%)}.field-image figcaption{display:flex;justify-content:space-between;padding-top:16px;font-size:13px;color:#657482}.small-rule{display:block;width:40px;height:3px;background:var(--blue);margin-bottom:27px}.field-copy h3{font-size:33px;line-height:1.55;font-weight:550;margin-bottom:22px}.field-copy p{font-size:16px;color:var(--muted);max-width:380px}.field-copy .image-note{font-size:12px;color:#7b8c99;margin-top:24px}.delivery{background:var(--deep);color:#fff}.delivery .section-intro{color:#a4b5c5}.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);padding:0;margin:50px 0 0}.steps li{border-top:1px solid #456076;padding:24px 24px 0 0}.steps li:not(:first-child){padding-left:32px;border-left:1px solid #345066}.steps li>span{font-size:14px;color:#80b9ff}.steps h3{font-size:22px;font-weight:500;margin:33px 0 12px}.steps p{font-size:14px;color:#a4b5c5}.about{background:#e9f1f7}.about h2{font-size:43px}.about-bottom{display:flex;align-items:end;justify-content:space-between;gap:50px;margin-top:34px}.about-bottom p{font-size:16px;color:var(--muted);max-width:600px}.dark-link{color:var(--blue);flex-shrink:0}footer{display:flex;align-items:center;gap:30px;justify-content:space-between;padding:38px 5%;background:#fff}footer p,footer>span{font-size:12px;color:var(--muted)}.footer-brand strong{font-size:22px}.footer-brand small{font-size:7px}.footer-brand .brand-symbol{font-size:33px}@media(min-width:1700px){.hero-copy{padding-left:calc((100vw - 1320px)/2);padding-right:60px}.hero h1{font-size:62px}}@media(max-width:1100px){.header nav{gap:20px}.header-cta{display:none}.hero{min-height:570px}.hero-copy{padding:65px 8% 30px}.hero-visual{min-height:570px}.hero h1{font-size:clamp(32px,4vw,46px)}.hero-actions{gap:17px;flex-wrap:wrap}.hero-description{font-size:15px}.hero-description .desktop{display:none}.hero-bottom{margin-top:42px}.section-shell{padding:70px 5%}.section-heading h2,.about h2{font-size:33px}.solution-row{grid-template-columns:35px 190px 1fr}.row-tag{display:none}.field-grid{gap:40px}.field-copy h3{font-size:28px}.visual-title h2{font-size:25px}}@media(max-width:740px){:root{scroll-padding-top:74px}.header{height:76px}.header-inner{padding:0 5%}.brand strong{font-size:22px}.brand small{font-size:7px}.brand-symbol{font-size:32px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:6px;background:none;border:0;width:44px;height:44px;padding:10px}.menu-toggle span{height:2px;width:24px;background:var(--navy)}.header nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;padding:16px 6% 28px;box-shadow:0 15px 22px #071f3620}.header nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0}.header nav a{font-size:16px;padding:15px 0;border-bottom:1px solid var(--line)}.hero{grid-template-columns:1fr;min-height:0}.hero-copy{padding:48px 6% 28px}.hero h1{font-size:clamp(31px,7.9vw,48px);letter-spacing:-1px;white-space:normal}.hero .eyebrow{font-size:11px;letter-spacing:1px;margin-bottom:23px}.hero-description{font-size:15px;margin-top:21px}.hero-actions{margin-top:25px;gap:25px}.button{padding:15px 20px;font-size:14px}.hero-bottom{margin-top:33px;padding-top:20px;font-size:11px}.hero-visual{min-height:310px}.control-photo img{width:120%;left:-10%}.visual-title{bottom:25px;left:6%}.visual-title h2{font-size:23px;line-height:1.4;margin:9px 0}.visual-title p{font-size:11px}.visual-title>span{font-size:10px}.visual-index{top:22px}.section-shell{padding:54px 6%}.section-heading{display:block;margin-bottom:28px}.section-heading h2,.about h2{font-size:29px;line-height:1.5}.section-heading .eyebrow{font-size:11px;margin-bottom:17px}.section-intro{margin-top:20px;font-size:14px}.section-intro br{display:none}.solution-row{grid-template-columns:30px 1fr;gap:10px 13px;padding:24px 0}.solution-row h3{font-size:21px}.solution-row p{grid-column:2;font-size:15px}.field-grid{grid-template-columns:1fr;gap:35px}.field-photo{height:330px}.field-photo img{width:130%;left:-15%}.field-copy h3{font-size:28px;margin-bottom:15px}.field-copy p{font-size:15px}.field-copy .image-note{margin-top:15px}.steps{grid-template-columns:1fr 1fr;gap:28px 20px;margin-top:27px}.steps li,.steps li:not(:first-child){padding:20px 0 0;border-left:0}.steps h3{font-size:20px;margin:19px 0 10px}.steps p{font-size:14px}.about-bottom{display:block;margin-top:25px}.about-bottom p{font-size:15px}.about-bottom .text-link{margin-top:25px}footer{align-items:start;flex-direction:column;padding:32px 6%;gap:18px}footer p{font-size:13px}.footer-brand strong{font-size:22px}}@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*{transition:none!important}}
.control-photo img{top:38%}.capabilities{margin-top:56px}.capabilities-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:25px}.capabilities-heading h3{font-size:24px;font-weight:550}.capabilities-heading p{font-size:14px;color:var(--muted)}.capabilities-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 36px}.capabilities details{border-top:1px solid var(--line);padding:0 3px}.capabilities summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;font-size:17px;font-weight:550;padding:25px 0;gap:15px}.capabilities summary::-webkit-details-marker{display:none}.capabilities summary span{color:var(--blue);font-weight:400;font-size:24px}.capabilities details[open] summary span{transform:rotate(45deg)}.capabilities details>div{padding:0 15px 20px 0}.capabilities details p{font-size:15px;color:var(--muted)}.capabilities ul{margin:17px 0 0;padding-left:20px;font-size:14px;color:var(--muted);line-height:2}.capabilities summary:focus-visible{outline:3px solid var(--blue);outline-offset:2px}.video-trigger{border:0;cursor:pointer;flex-shrink:0}.media-note{color:var(--muted);font-size:12px;margin-top:20px}.video-dialog{padding:20px;background:#071f36;color:#fff;border:1px solid #3c536b;max-width:calc(100vw - 28px);max-height:calc(100dvh - 36px);width:470px}.video-dialog::backdrop{background:rgba(0,12,24,.85)}.video-dialog-header{display:flex;align-items:center;justify-content:space-between;gap:18px}.video-dialog-header h2{font-size:17px;font-weight:550}.video-close{font-size:28px;width:44px;height:44px;background:transparent;border:0;color:white;cursor:pointer}.video-dialog video{display:block;width:100%;max-height:calc(100dvh - 180px);background:black;margin:10px 0;object-fit:contain}.video-dialog>p{font-size:12px;color:#b6c8d9}.video-dialog:not([open]){display:none}@media(max-width:740px){.capabilities{margin-top:35px}.capabilities-heading{display:block}.capabilities-heading h3{font-size:22px}.capabilities-heading p{margin-top:10px}.capabilities-grid{grid-template-columns:1fr}.capabilities summary{font-size:17px;padding:21px 0}.video-trigger{margin-top:25px}.control-photo img{top:38%}}
.application-examples{margin-top:72px}.application-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.application-grid figure{margin:0;background:white;border:1px solid var(--line)}.application-grid figure>a{display:block;background:#092356;overflow:hidden}.application-grid img{width:100%;height:auto;aspect-ratio:1.92;object-fit:contain;transition:transform .2s}.application-grid figure>a:hover img{transform:scale(1.025)}.application-grid figcaption{padding:23px}.application-grid figcaption>span{font-size:.875rem;color:#526e85}.application-grid h4{font-size:1.2rem;line-height:1.5;font-weight:550;margin:12px 0 9px}.application-grid p{font-size:1rem;color:var(--muted)}.contact{background:var(--navy);color:white;display:grid;grid-template-columns:1.2fr 1fr;gap:70px}.contact h2{font-size:clamp(2rem,3.5vw,3.1rem);font-weight:600;line-height:1.4}.contact-intro{font-size:1rem;color:#b9cede;margin-top:25px}.contact-details{align-self:center;border-left:1px solid #456079;padding-left:55px}.contact-label{font-size:.875rem;color:#b9cede}.contact-phone{display:block;font-size:clamp(1.6rem,3vw,2.6rem);font-weight:550;white-space:nowrap;margin:17px 0 22px}.contact-phone>span{font-size:1.3rem;color:#83bfff;margin-left:10px}.contact-details p{font-size:1rem;color:#b9cede}.contact-button{background:white;color:var(--navy);margin-top:27px}.contact-button:hover{background:#e6f1ff}footer>a:last-child{font-size:.875rem;color:#3e6482}
.hero-description,.section-intro,.solution-row p,.field-copy p,.about-bottom p,.capabilities details p,.capabilities ul,.steps p{font-size:1rem}.button,.header nav,.header-cta,.text-link{font-size:.9375rem}.row-tag,.field-image figcaption{font-size:.875rem}.eyebrow,.visual-title>span,.hero-bottom,.visual-title p,.media-note,.field-copy .image-note{font-size:.75rem}.capabilities-heading p{font-size:.875rem}.brand-symbol{display:none}
@media(max-width:1100px){.header-inner{gap:16px}.header nav{gap:20px}.application-grid{gap:18px}.application-grid figcaption{padding:18px}.contact{gap:40px}.contact-details{padding-left:30px}}
@media(max-width:740px){.brand-logo{width:201px;height:56px;background-size:268px 268px}.application-examples{margin-top:45px}.application-grid{grid-template-columns:1fr;gap:24px}.application-grid img{aspect-ratio:auto}.contact{grid-template-columns:1fr;gap:35px}.contact-details{border-left:0;border-top:1px solid #456079;padding:30px 0 0}.contact-phone{font-size:1.9rem}.hero-description,.section-intro,.solution-row p,.field-copy p,.about-bottom p,.capabilities details p,.steps p{font-size:1rem}.contact-intro br{display:none}}
.footer-company{display:grid;gap:10px}.icp-link{font-size:.875rem;color:#536b80}.icp-link:hover{text-decoration:underline;text-underline-offset:4px}
/* Company interface gallery and source-based business material. */
.gallery-intro{color:var(--muted);font-size:1rem;line-height:1.8;margin:14px 0 22px}
.gallery-categories{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 36px}
.gallery-categories a{display:inline-flex;align-items:center;min-height:44px;padding:8px 17px;border:1px solid #b8c9d5;color:#18394b;background:#fff;font-size:.9375rem;text-decoration:none}
.gallery-categories a:hover,.gallery-categories a:focus-visible{background:#173c51;color:#fff}
.gallery-group{margin:0 0 42px;scroll-margin-top:110px}
.gallery-group-heading{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:18px;border-bottom:1px solid var(--line);padding-bottom:12px}
.gallery-group-heading h4{font-size:1.35rem;margin:0;font-weight:550}.gallery-group-heading>span{font-size:.875rem;color:var(--muted);white-space:nowrap}
.application-grid figure>a{position:relative}.image-open{display:block;background:#0e2f43;color:#fff;font-size:.875rem;padding:9px 14px;text-align:right}
.application-grid h5{font-size:1.2rem;line-height:1.5;font-weight:550;margin:12px 0 9px}
.application-grid img{aspect-ratio:1.92;object-fit:contain}.application-grid figcaption p{line-height:1.8}
#interfaces,#smart-mine,#resources{scroll-margin-top:105px}
.smart-mine{background:#fff}.smart-business-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;margin:40px 0 60px}
.smart-business-grid article{border-top:2px solid #315c72;padding-top:22px}.smart-business-grid article>span,.document-label{color:#526e85;font-size:.875rem}.smart-business-grid h3{font-size:1.4rem;line-height:1.5;margin:16px 0}.smart-business-grid p{color:var(--muted);font-size:1rem;line-height:1.85}
.demo-feature{display:grid;grid-template-columns:1.35fr 1fr;align-items:center;gap:46px;padding:40px;background:#eff4f7}.demo-image{display:block}.demo-image img{width:100%;height:auto;display:block}.demo-feature h3{font-size:1.8rem;line-height:1.5;margin:16px 0}.demo-feature p{font-size:1rem;line-height:1.8;color:var(--muted)}.demo-feature .demo-note{font-size:.875rem;line-height:1.7}.demo-feature .button{margin-top:16px}
.resource-heading{margin:64px 0 26px}.resource-heading h3{font-size:1.6rem;margin:0 0 12px}.resource-heading p{font-size:1rem;color:var(--muted)}
.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.resource-grid article{border:1px solid var(--line);padding:24px;min-width:0}.resource-grid img{width:100%;height:auto;aspect-ratio:1.8;object-fit:contain;background:#f3f6f8;display:block}.resource-grid h4{font-size:1.2rem;line-height:1.6;margin:22px 0 12px}.resource-grid p{font-size:1rem;line-height:1.8;color:var(--muted)}.resource-grid .text-link{font-size:.9375rem}.download-resource{display:flex;flex-direction:column;align-items:flex-start;background:#f0f5f8}.download-resource .document-label{margin-top:10px}.download-resource .button{margin-top:auto;margin-bottom:20px}.resource-grid a:focus-visible,.application-grid a:focus-visible{outline:3px solid #277b9c;outline-offset:4px}
@media(max-width:1200px){.header nav{gap:15px}.demo-feature{gap:28px;padding:28px}.resource-grid{gap:18px}.resource-grid article{padding:20px}}
@media(max-width:900px){.smart-business-grid{gap:20px}.demo-feature{grid-template-columns:1fr}.resource-grid{grid-template-columns:1fr 1fr}.download-resource{grid-column:1/-1}.download-resource .button{margin-top:16px}}
@media(max-width:740px){.gallery-categories{gap:8px}.gallery-categories a{padding:8px 12px;font-size:.875rem}.gallery-group{margin-bottom:34px}.smart-business-grid,.resource-grid{grid-template-columns:1fr}.smart-business-grid{gap:24px;margin-bottom:36px}.demo-feature{padding:20px}.demo-feature h3{font-size:1.5rem}.resource-heading{margin-top:42px}.download-resource{grid-column:auto}.application-grid img{aspect-ratio:auto}.resource-grid article{padding:20px}.gallery-group-heading h4{font-size:1.2rem}}

/* Brand demonstrations added 2026-09-14 */
.animation-section{padding-top:80px;padding-bottom:80px}.animation-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.animation-card{border:1px solid #d6e0e6;background:#fff}.animation-card video{display:block;width:100%;aspect-ratio:16/9;background:#0c1a26}.animation-card>div{padding:24px}.animation-card h3{font-size:24px;margin:0 0 12px}.animation-card p{color:#587080;line-height:1.7}.animation-card a{color:#1d657f;font-weight:600}.source-note{color:#587080;font-size:14px;line-height:1.7;margin-top:18px}@media(max-width:700px){.animation-grid{grid-template-columns:1fr}.animation-section{padding-top:48px;padding-bottom:48px}}