/* Unitree H2-D | scoped extension of CEO-approved G1 product-page shell.
   Never modify shared site header/footer or original G1 visual baseline. */
.h2d-page{--h2d-ink:#142e47;--h2d-blue:#0a83b6;--h2d-line:#dce7ee;--h2d-muted:#5c7381;color:var(--h2d-ink)}
.h2d-page img{max-width:100%;display:block}
.h2d-page h1,.h2d-page h2,.h2d-page h3{letter-spacing:-.025em;color:var(--h2d-ink)}
.h2d-page p{line-height:1.8}
.h2d-page .g1-kicker{color:#0788bf;font-weight:850;font-size:12px;letter-spacing:.12em}
.h2d-page .g1-heading{margin-bottom:32px}
.h2d-page .g1-heading h2{font-size:clamp(27px,2.55vw,36px);line-height:1.36;margin-top:13px}
.h2d-page .g1-heading .g1-intro{max-width:880px;font-size:15px;color:#59717f;margin-top:16px}
main.g1-page.h2d-page > section.g1-section{padding:70px 0 76px}
main.g1-page.h2d-page > section.g1-section.h2d-use,
main.g1-page.h2d-page > section.g1-section.h2d-application{background:#f1f7fb!important}
main.g1-page.h2d-page > section.g1-section.h2d-development{background:#f4f8fb!important}
main.g1-page.h2d-page > section.g1-section.h2d-cta{background:linear-gradient(115deg,#075880,#088cb8 70%,#08709e)!important;color:#fff}
.h2d-page .g1-button{border-radius:6px;min-height:54px}
.h2d-page .g1-button.primary{background:#0ba5d0;color:#fff}
.h2d-page .g1-button.secondary{background:transparent;border:1px solid rgba(210,236,248,.62);color:#fff}
.h2d-page .g1-button.secondary:hover{background:rgba(255,255,255,.09)}
/* Main hero adapts G1's two-column module to a full-height factory manipulator. */
main.g1-page.h2d-page > section.h2d-hero{background:radial-gradient(ellipse at 82% 20%,rgba(31,98,143,.25),transparent 53%),linear-gradient(120deg,#0d263f 0%,#081a31 53%,#040b16 100%);padding:28px 0 36px;color:#fff}
.h2d-hero .g1-breadcrumb{color:#a9bfce;padding-bottom:18px}
.h2d-hero .g1-breadcrumb a{color:#c2d9e6}
.h2d-hero .g1-kicker{color:#79d6f8}
.h2d-hero-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);align-items:center;gap:34px}
.h2d-hero-copy{padding:30px 0 30px}
.h2d-page .h2d-hero h1{color:#fff;font-size:clamp(45px,4.6vw,70px);font-weight:900;line-height:1.08;margin:16px 0 18px;letter-spacing:-.055em}
.h2d-page .h2d-hero h1 span{color:#70d6f8;margin-left:.12em}
.h2d-hero-headline{color:#fff;font-size:clamp(25px,2.5vw,34px);font-weight:850;line-height:1.42!important;letter-spacing:-.03em;margin-bottom:24px!important}
.h2d-hero-lead{color:#cbdfea;font-size:15px;line-height:1.94!important;max-width:580px}
.h2d-hero-buttons{display:flex;gap:11px;align-items:stretch;flex-wrap:wrap;margin-top:33px}
.h2d-hero-buttons .g1-button{font-size:13px;padding:12px 18px;white-space:normal;text-align:center}
.h2d-page p.h2d-hero-note{font-size:11.5px;color:#a9c8d9;margin-top:19px!important;max-width:590px;line-height:1.65}
.h2d-hero-visual{position:relative;min-width:0}
.h2d-product-stage{height:575px;background:radial-gradient(ellipse at 45% 50%,#0b1c2f 0%,#060c16 68%);display:flex;align-items:center;justify-content:center;border:1px solid rgba(131,199,236,.13);border-radius:14px;overflow:hidden;position:relative}
.h2d-product-stage img{width:100%;height:100%;object-fit:contain;mix-blend-mode:screen;object-position:50% 54%}
.h2d-stage-mark{position:absolute;right:17px;bottom:15px;font-size:10px;letter-spacing:.2em;color:#91b9c9}
.h2d-key-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid rgba(151,189,209,.26);border-bottom:1px solid rgba(151,189,209,.26);margin-top:28px}
.h2d-key-stats div{padding:20px 18px}
.h2d-key-stats div+div{border-left:1px solid rgba(151,189,209,.2)}
.h2d-key-stats span{font-size:11.5px;color:#abc9db;display:block}
.h2d-key-stats strong{display:block;margin-top:7px;font-size:30px;color:#fff;letter-spacing:-.045em;line-height:1.15;font-weight:850}
.h2d-key-stats strong small{font-size:15px;letter-spacing:0;color:#b6e3f3;font-weight:650}
.h2d-page p.h2d-hero-source{margin-top:15px!important;color:#a9c8d9;font-size:11.5px}
.h2d-hero-source a{color:#a5e7fd;text-underline-offset:3px}
.h2d-anchor{background:#fff}
.h2d-page .g1-anchor-nav .g1-shell{gap:8px;justify-content:space-between;min-height:59px}
.h2d-page .g1-anchor-nav a{padding:19px 8px 16px;min-width:0;font-size:12px;white-space:nowrap}
.h2d-page .g1-anchor-nav a:first-child{border-color:transparent}
/* Capabilities */
.h2d-capability-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:19px}
.h2d-capability{border:1px solid var(--h2d-line);border-radius:9px;overflow:hidden;display:flex;flex-direction:column;min-width:0;background:#fff;box-shadow:0 5px 18px rgba(22,55,81,.035)}
.h2d-capability-image{height:220px;background:linear-gradient(140deg,#f0f7fb,#d9eaf4);display:flex;align-items:center;justify-content:center;overflow:hidden}
.h2d-capability-image img{height:100%;width:100%;object-fit:contain}
.h2d-capability-copy{padding:22px 22px 24px;flex:1}
.h2d-capability-copy>span,.h2d-use-grid article span{font-size:10.5px;letter-spacing:.14em;color:#0786b7;font-weight:850}
.h2d-capability-copy h3{font-size:19px;margin:11px 0 12px;line-height:1.5}
.h2d-capability-copy p{font-size:13px;color:var(--h2d-muted);line-height:1.85}
.h2d-capability-copy small{font-size:11px;color:#718896;display:block;margin-top:15px;line-height:1.65}
/* Use cases */
.h2d-use-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.h2d-use-grid article{background:#fff;border-radius:9px;overflow:hidden;box-shadow:0 7px 20px rgba(19,56,82,.06);border:1px solid #dce9f0}
.h2d-use-grid img{height:225px;width:100%;object-fit:cover;object-position:center}
.h2d-use-grid article>div{padding:22px 23px 27px}
.h2d-use-grid h3{font-size:20px;margin:10px 0 12px;line-height:1.45}
.h2d-use-grid p{font-size:13px;color:#5c7381;line-height:1.83}
.h2d-case-note{padding:19px 22px;border-left:3px solid #0686b8;background:#e7f2f8;margin-top:25px;font-size:13px;line-height:1.8;color:#486575;border-radius:0 6px 6px 0}
/* SKU */
.h2d-model-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.h2d-model-card{border:1px solid #d8e7ee;border-radius:9px;background:#f8fbfd;overflow:hidden}
.h2d-model-card.featured{border-color:#9ad2e8;background:#eaf7fd}
.h2d-model-top{padding:28px 30px 19px}
.h2d-model-top>span{font-size:11px;letter-spacing:.11em;color:#0b88bc;font-weight:850}
.h2d-model-top h3{font-size:25px;margin:12px 0 13px}
.h2d-model-top p{font-size:14px;color:#5b7280;min-height:52px}
.h2d-model-top>strong{font-size:34px;color:#087cac;display:block;margin-top:14px}
.h2d-model-top>strong small{font-size:16px}
.h2d-model-foot{display:grid;gap:0;border-top:1px solid #d8e6ec;background:rgba(255,255,255,.64);padding:9px 30px}
.h2d-model-foot>div{display:flex;gap:12px;justify-content:space-between;border-bottom:1px solid #e6edf1;padding:12px 0;font-size:13px}
.h2d-model-foot>div:last-child{border-bottom:0}
.h2d-model-foot span{color:#647987}
.h2d-model-foot b{font-size:13px;color:#24475b;text-align:right}
.h2d-structure{display:grid;grid-template-columns:minmax(0,56%) minmax(0,44%);align-items:center;gap:29px;margin-top:34px;padding:24px;border-radius:9px;background:#102a45;color:#d2e4ef}
.h2d-structure img{width:100%;max-height:275px;object-fit:contain;background:#fff;border-radius:6px}
.h2d-structure .g1-kicker{color:#7bdcf8}
.h2d-structure h3{color:#fff;font-size:22px;margin:15px 0 12px}
.h2d-structure p{font-size:13px;line-height:1.85;color:#c7dce7}
.h2d-structure a{font-size:13px;color:#b1efff;text-decoration:underline;display:inline-block;margin-top:20px}
/* Technical table */
.h2d-table-scroll{width:100%;overflow-x:auto;border-top:3px solid #087eae;outline-offset:3px}
.h2d-table{border-collapse:collapse;width:100%;min-width:640px;table-layout:fixed;font-size:13.5px}
.h2d-table caption{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden}
.h2d-table th,.h2d-table td{border-bottom:1px solid #dfe8ed;padding:14px 16px;text-align:left;vertical-align:top;overflow-wrap:anywhere;line-height:1.6}
.h2d-table th:first-child{width:34%}
.h2d-table thead th{font-size:15px;background:#eaf5fa;color:#18384b}
.h2d-table tbody th{font-size:13px;color:#344e5d;font-weight:780}
.h2d-table tbody td{color:#536c7a}
.h2d-table tr.h2d-table-accent{background:#e9f7fd;font-weight:780}
.h2d-spec-foot{font-size:12.5px;margin-top:21px!important;color:#627986;line-height:1.7!important}
.h2d-spec-foot a{color:#057fae}
.h2d-hardware-strip{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px}
.h2d-hardware-strip>div{background:#f2f7fa;border-radius:9px;border:1px solid #dfebf1;overflow:hidden}
.h2d-hardware-strip img{height:275px;width:100%;object-fit:contain}
.h2d-hardware-strip p{padding:13px 20px 19px;font-weight:750;color:#456676;font-size:13px}
/* Development */
.h2d-development-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:32px;align-items:center}
.h2d-dev-list article{display:grid;grid-template-columns:46px 1fr;gap:12px;padding:18px 0;border-top:1px solid #dbe7ec}
.h2d-dev-list article>span{font-weight:850;font-size:15px;color:#0588bf}
.h2d-dev-list h3{font-size:18px;margin:0 0 9px}
.h2d-dev-list p{color:#5a7281;font-size:13px}
.h2d-development-media{border-radius:9px;background:#dfedf6;overflow:hidden}
.h2d-development-media img{height:385px;width:100%;object-fit:cover;object-position:center}
.h2d-development-media p{font-size:11.5px;color:#5f7c8c;padding:10px 16px 16px}
.h2d-video-block{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1fr);gap:29px;background:#112a42;color:#c9e3ef;border-radius:9px;padding:30px;margin-top:35px;align-items:center}
.h2d-video-block .g1-kicker{color:#79d6f8}
.h2d-video-block h3{font-size:22px;color:#fff;margin:14px 0}
.h2d-video-block p{color:#d1e3ec;font-size:13px;line-height:1.9}
.h2d-video-block a{color:#9ce5f8;display:inline-block;margin-top:20px;font-size:13px}
.h2d-video-block video{width:100%;max-height:340px;border-radius:7px;background:#020811;object-fit:contain}
/* Safety and FAQ */
.h2d-checks{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.h2d-checks article{padding:22px;border:1px solid #d8e7ed;background:#fff;border-radius:7px;min-width:0}
.h2d-checks strong{color:#087da9;font-size:25px}
.h2d-checks h3{font-size:17px;margin:19px 0 11px}
.h2d-checks p{font-size:12.5px;color:#5f7481}
.h2d-faq .g1-faq-list details{border-bottom-color:#e0e8ed}
.h2d-faq .g1-faq-list summary{font-size:15px;color:#243d4d}
.h2d-faq .g1-faq-list .faq-answer p{color:#5a7381;font-size:13.5px;padding:10px 50px 16px 7px}
/* Final CTA: hard scoped contrast gate, avoiding old G1 !important white background. */
main.g1-page.h2d-page > section.g1-section.h2d-cta .g1-kicker{color:#bcf1ff}
main.g1-page.h2d-page > section.g1-section.h2d-cta h2{color:#fff;font-size:clamp(27px,2.8vw,37px);margin:16px 0}
.h2d-cta-lead{color:#d7f2fb;font-size:15px;max-width:900px}
.h2d-cta-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:35px}
.h2d-cta-grid a{display:flex;flex-direction:column;padding:24px;background:#fff;border-radius:8px;text-decoration:none;color:#18394e;min-width:0}
.h2d-cta-grid a span{font-size:10px;color:#0487b6;font-weight:850;letter-spacing:.14em}
.h2d-cta-grid a strong{font-size:18px;margin-top:17px;color:#18394e;line-height:1.5}
.h2d-cta-grid a small{font-size:12px;color:#5c7584;line-height:1.8;margin-top:13px;flex:1}
.h2d-cta-grid a em{font-style:normal;font-size:13px;color:#047eb0;margin-top:19px;padding-top:14px;border-top:1px solid #e3edf1;font-weight:850}
.h2d-page p.h2d-cta-note{font-size:12px;color:#d4f0fa;margin-top:24px!important;line-height:1.8}
.h2d-related-links{display:grid;grid-template-columns:1fr 1fr;gap:4px 24px}
.h2d-related-links a{padding:18px 0;border-top:1px solid #dce7ee;text-decoration:none;color:#097cae;font-size:14px;font-weight:750}
.h2d-page .g1-anchor-nav{z-index:15}
@media(max-width:1000px){
.h2d-hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,.94fr);gap:16px}
.h2d-product-stage{height:500px}
.h2d-capability-grid,.h2d-use-grid{gap:12px}
.h2d-capability-copy{padding:18px}
.h2d-capability-copy h3{font-size:17px}
.h2d-use-grid article>div{padding:18px}
.h2d-checks{gap:10px}
.h2d-checks article{padding:16px}
}
@media(max-width:780px){
.h2d-page .g1-shell{width:calc(100% - 40px)}
main.g1-page.h2d-page > section.g1-section{padding:54px 0 60px}
main.g1-page.h2d-page > section.h2d-hero{padding:15px 0 28px}
.h2d-hero-grid{grid-template-columns:1fr;gap:0}
.h2d-hero-copy{padding:17px 0 8px}
.h2d-page .h2d-hero h1{font-size:45px;margin:12px 0}
.h2d-hero-headline{font-size:25px;margin:15px 0!important}
.h2d-hero-lead{font-size:13.5px;line-height:1.85!important}
.h2d-hero-buttons{display:grid;grid-template-columns:1fr;gap:10px;margin-top:22px}
.h2d-hero-buttons .g1-button{width:100%;font-size:13.5px}
.h2d-product-stage{height:420px;margin-top:19px}
.h2d-hero-note{font-size:11px;margin-top:12px}
.h2d-key-stats{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:16px}
.h2d-key-stats div{padding:14px 10px}
.h2d-key-stats div:nth-child(3){border-left:0;border-top:1px solid rgba(151,189,209,.2)}
.h2d-key-stats div:nth-child(4){border-top:1px solid rgba(151,189,209,.2)}
.h2d-key-stats strong{font-size:23px}
.h2d-hero-source{font-size:10.5px}
.h2d-page .g1-heading h2{font-size:25px;line-height:1.45}
.h2d-page .g1-heading .g1-intro{font-size:13px}
.h2d-capability-grid{grid-template-columns:1fr;gap:16px}
.h2d-capability-image{height:220px}
.h2d-capability-copy{padding:20px}
.h2d-use-grid{grid-template-columns:1fr;gap:17px}
.h2d-use-grid img{height:210px}
.h2d-model-grid{grid-template-columns:1fr;gap:15px}
.h2d-model-top{padding:22px}
.h2d-model-top h3{font-size:22px}
.h2d-model-top p{min-height:0}
.h2d-model-foot{padding:8px 22px}
.h2d-structure{grid-template-columns:1fr;gap:16px;padding:19px}
.h2d-structure img{max-height:230px}
.h2d-structure h3{font-size:20px}
.h2d-table-scroll{margin:0}
.h2d-table th,.h2d-table td{padding:12px 13px;font-size:12px}
.h2d-table thead th{font-size:13px}
.h2d-hardware-strip{grid-template-columns:1fr;gap:13px}
.h2d-hardware-strip img{height:235px}
.h2d-development-grid,.h2d-video-block{grid-template-columns:1fr}
.h2d-development-media img{height:310px}
.h2d-video-block{padding:20px;gap:18px}
.h2d-video-block video{max-height:250px}
.h2d-checks{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.h2d-checks article{padding:15px}
.h2d-cta-grid{grid-template-columns:1fr;gap:13px;margin-top:24px}
.h2d-cta-grid a{padding:22px}
.h2d-related-links{grid-template-columns:1fr;gap:0}
.h2d-page .g1-anchor-nav .g1-shell{min-height:53px;gap:12px;justify-content:flex-start;overflow-x:auto}
.h2d-page .g1-anchor-nav a{padding:16px 4px;font-size:12px}
}
@media(max-width:390px){
.h2d-page .g1-shell{width:calc(100% - 30px)}
.h2d-product-stage{height:365px}
.h2d-page .h2d-hero h1{font-size:40px}
.h2d-hero-headline{font-size:23px}
.h2d-checks{grid-template-columns:1fr}
.h2d-key-stats strong{font-size:21px}
}
@media(prefers-reduced-motion:reduce){.h2d-page *{scroll-behavior:auto!important}}