:root{--ink:#202629;--muted:#6d797e;--accent:#087e73;--line:#dfe4e5;--soft:#f3f5f5;--font:"Microsoft YaHei","微软雅黑","Microsoft YaHei UI",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;font:15px/1.75 var(--font);color:var(--ink);background:#fff}body.modal-open{overflow:hidden}button,input,select{font:inherit}button{cursor:pointer;color:inherit;border:0;background:none}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}figure,h1,h2,h3,p{margin:0}button,a,input,summary,select{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid #55ab9f;outline-offset:4px}[hidden]{display:none!important}.shell{width:min(1240px,calc(100% - 80px));margin:auto}.skip{position:fixed;left:16px;top:-80px;z-index:100;background:white;padding:10px}.skip:focus{top:12px}
.header{height:88px;position:sticky;top:0;background:#fff;z-index:20;border-bottom:1px solid var(--line)}.header-row{height:100%;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;gap:11px;align-items:center;line-height:1.2;white-space:nowrap}.brand>span{font:700 23px/1.15 var(--font);letter-spacing:-.8px}.brand-cad{font-weight:400;color:var(--accent);margin-left:2px}.brand small{display:block;font-size:10px;font-weight:400;letter-spacing:2.5px;margin-top:7px;color:#778186}.brand img{border-radius:8px}.nav{display:flex;align-items:center;gap:29px;font-size:14px}.nav>a:not(.nav-cta),.nav-trigger{padding:28px 0}.nav a:hover,.nav-trigger:hover{color:var(--accent)}.nav-trigger{font-size:14px;display:flex;align-items:center;gap:7px}.nav-cta{border:1px solid #263436;padding:9px 18px;font-size:13px;display:flex;gap:18px;align-items:center;transition:.2s}.nav-cta:hover{background:var(--ink);color:white!important}.nav-dropdown{position:relative}.dropdown{position:absolute;top:67px;left:-24px;width:290px;padding:12px;background:white;box-shadow:0 12px 30px #102a2826;border:1px solid var(--line)}.dropdown a{display:block;padding:12px;font-size:14px}.dropdown a:hover{background:var(--soft)}.dropdown a span{display:block;font-size:11px;color:var(--muted);margin-top:3px}.menu-toggle{display:none}
.hero{padding:76px 0 69px;background:var(--soft);overflow:hidden}.hero-grid{display:grid;grid-template-columns:.85fr 1.3fr;gap:55px;align-items:center}.eyebrow{font-size:11px;letter-spacing:1.7px;font-weight:600;display:flex;align-items:center;gap:8px}.status-dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}.hero h1{font-size:clamp(39px,4.2vw,61px);font-weight:600;line-height:1.36;letter-spacing:-2px;margin:23px 0}.hero h1 span{color:var(--accent)}.hero-lead{font-size:16px;color:#677176;line-height:1.95}.actions{display:flex;align-items:center;gap:18px;margin-top:29px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;padding:12px 20px;min-height:47px;font-size:13px;border:1px solid var(--line);background:white;font-weight:600;transition:.2s}.button.primary{background:var(--accent);border-color:var(--accent);color:white}.primary:hover{background:#046459}.text-button{padding:10px 0;border:none;background:none;font-weight:500;gap:8px}.text-button:hover{color:var(--accent)}.mini-play{font-size:10px;border:1px solid #aebcbd;border-radius:50%;width:28px;height:28px;display:grid;place-items:center;padding-left:2px}.hero-links{display:flex;align-items:center;gap:20px;margin-top:34px;font-size:11px;color:#677176}.hero-links a:hover{color:var(--accent)}.hero-links>span{height:12px;width:1px;background:#bfc9ca}.hero-figure{min-width:0;position:relative}.figure-top{display:flex;justify-content:space-between;gap:15px;font-size:9px;letter-spacing:.6px;margin-bottom:10px;color:#74858b}.figure-top>span:first-child{display:flex;gap:7px;align-items:center}.figure-top i{width:5px;height:5px;background:var(--accent)}.hero-figure .image-button{border:1px solid #becdd1;box-shadow:0 13px 38px #192f321a}.hero-figure figcaption{display:flex;justify-content:space-between;font-size:9px;color:#74858b;margin-top:12px;gap:12px}.image-button{width:100%;padding:0;display:block;position:relative;overflow:hidden;text-align:left}.image-button img{width:100%;height:auto;transition:transform .4s}.image-button:hover img{transform:scale(1.015)}.image-expand{position:absolute;right:12px;bottom:12px;background:white;color:#354d54;width:28px;height:28px;display:grid;place-items:center;box-shadow:0 2px 8px #22333322;font-size:20px}.topic-bar{border-top:1px solid #e4e8e9;border-bottom:1px solid var(--line)}.topic-row{display:flex;justify-content:space-between;align-items:center;min-height:61px;font-size:12px}.topic-row>span{font-weight:700;letter-spacing:.3px}.topic-row nav{display:flex;gap:35px;color:#68747a}.topic-row a:hover{color:var(--accent)}
.section{padding:85px 0}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:35px;margin-bottom:38px}.eyebrow.muted{color:#77878c;font-size:10px;letter-spacing:1.8px}.section h2,.manufacturing h2{font-size:34px;font-weight:500;letter-spacing:-.9px;line-height:1.5;margin-top:10px}.section-head>p{font-size:13px;line-height:1.9;color:#7a8589;margin-bottom:4px}.feature-tabs{display:flex;border-bottom:1px solid var(--line);gap:33px;margin-bottom:35px;overflow-x:auto}.feature-tabs button{padding:14px 0;border-bottom:2px solid transparent;white-space:nowrap;color:#707c81;font-size:13px}.feature-tabs button[aria-selected=true]{border-bottom-color:var(--accent);color:var(--accent);font-weight:700}.feature-tabs button:hover{color:var(--accent)}.feature-panel{display:grid;grid-template-columns:.8fr 1.4fr;gap:65px;align-items:center;min-height:330px}.feature-index{color:#9aa8ad;font-size:10px;letter-spacing:2px}.feature-copy h3{font-size:26px;line-height:1.6;font-weight:500;margin:13px 0}.feature-copy>p{font-size:13px;color:#768187;line-height:1.9;max-width:350px}.check-list{list-style:none;padding:0;margin:19px 0 23px;display:grid;gap:7px;font-size:12px;color:#535f64}.check-list li{padding-left:16px;position:relative}.check-list li:before{content:"";position:absolute;width:4px;height:4px;background:var(--accent);left:0;top:9px}.inline-link{color:var(--accent);font-size:12px;font-weight:600;display:inline-block;padding:0 0 4px;border-bottom:1px solid #c8ddda}.inline-link:hover{border-color:var(--accent)}.feature-image{background:#edf2f5;border:1px solid #dfe6e9;min-width:0}.feature-image .image-button img{aspect-ratio:1.8;object-fit:contain}.feature-image figcaption{font-size:10px;color:#83919a;padding:10px 13px;background:#f6f8f9}
.manufacturing{background:#edf1f2;padding:64px 0}.manufacturing-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:75px;align-items:center}.manufacturing figure{border:1px solid #dae1e4}.manufacturing figure img{aspect-ratio:1.65;object-fit:contain;background:#dce7ef;width:100%}.manufacturing figcaption{font-size:10px;color:#82909a;padding:8px 12px}.manufacturing-copy h2{font-size:30px;margin:12px 0 16px}.manufacturing-copy>p{color:#748086;font-size:13px;margin-bottom:24px;line-height:1.9;max-width:390px}.spec-row{display:flex;justify-content:space-between;gap:25px;padding:10px 0;border-bottom:1px solid #d5dfe1;font-size:11px}.spec-row span{color:#809095}.spec-row strong{font-weight:500;color:#506167}.manufacturing .inline-link{margin-top:23px}
.tutorial-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid var(--line);margin-bottom:30px;flex-wrap:wrap}.filters{display:flex;gap:25px}.filters button{color:#758086;font-size:12px;padding:14px 0;border-bottom:2px solid transparent;white-space:nowrap}.filters button.active{color:var(--accent);border-color:var(--accent);font-weight:700}.filters button span{font-size:10px;margin-left:4px;color:#839491}.search{display:flex;align-items:center;gap:8px;color:#809092}.search>span{font-size:24px;line-height:1}.search input{border:0;background:none;padding:7px 0;width:175px;outline:none;font-size:12px}.search:focus-within{box-shadow:0 1px var(--accent)}.tutorial-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:31px 25px}.tutorial-card{min-width:0}.tutorial-thumb{display:block;position:relative;background:#dce6ed;overflow:hidden;width:100%;padding:0;aspect-ratio:16/9;border:1px solid #dce2e5}.tutorial-thumb>img{width:100%;height:100%;object-fit:cover;transition:transform .35s,filter .35s}.tutorial-thumb:hover>img{transform:scale(1.04);filter:brightness(.82)}.play-circle{position:absolute;left:16px;bottom:15px;color:white;background:#152f31cf;border:1px solid #ffffff65;border-radius:50%;width:37px;height:37px;font-size:11px;display:grid;place-items:center;padding-left:3px}.duration{position:absolute;right:11px;bottom:11px;color:white;background:#152629bb;font-size:10px;padding:1px 6px;font-variant-numeric:tabular-nums}.tutorial-card-meta{display:flex;justify-content:space-between;gap:10px;font-size:10px;color:#89969b;margin:14px 0 7px}.tutorial-card-meta>span:first-child{color:var(--accent)}.tutorial-card h3{font-size:16px;font-weight:500;line-height:1.6;margin:0 0 8px}.tutorial-card h3 button{padding:0;text-align:left;line-height:inherit}.tutorial-card h3 button:hover{color:var(--accent)}.tutorial-card p{color:#818c91;font-size:11px;line-height:1.9}.tutorial-footnote{font-size:11px;color:#8d969a;margin-top:34px;border-top:1px solid var(--line);padding-top:15px}.empty-results{padding:60px 0;text-align:center;color:var(--muted)}
.workflow{background:#f5f6f6}.workflow-grid{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding:0;margin:0}.workflow-grid li{border-top:2px solid #cdd6d8;padding-top:20px}.workflow-grid li>span{font-size:12px;letter-spacing:2px;color:var(--accent)}.workflow-grid h3{font-size:17px;font-weight:500;margin:12px 0}.workflow-grid p{font-size:12px;color:#7a858a;line-height:1.95}.support-grid{display:grid;grid-template-columns:.9fr 1.25fr;gap:100px}.support h2{font-size:31px}.support-grid>div>p{font-size:13px;color:#7d898e;margin:16px 0 23px}.faq{border-top:1px solid var(--line)}.faq details{border-bottom:1px solid var(--line);padding:19px 0}.faq summary{font-size:13px;cursor:pointer;list-style:none;display:flex;gap:20px;justify-content:space-between}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"＋";color:#82979b;font-size:15px}.faq details[open] summary:after{content:"−"}.faq details p{font-size:12px;color:#7d898e;line-height:1.95;margin-top:14px;padding-right:20px}
.contact{padding:69px 0;background:#123c38;color:white}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:110px;align-items:center}.contact .eyebrow{color:#a6c5be;font-size:10px}.contact h2{font-size:35px;font-weight:500;line-height:1.6;margin:13px 0}.contact p{color:#a5c0b9;font-size:12px}.contact-methods>a,.contact-methods>div{padding:20px 0;border-bottom:1px solid #53736b;display:flex;justify-content:space-between;align-items:center;gap:20px}.contact-methods small{display:block;color:#95b4ac;font-size:10px;margin-bottom:4px}.contact-methods strong{font-size:20px;font-weight:500;letter-spacing:.3px}.contact-methods>a>span:last-child{font-size:25px;color:#95b4ac}.contact-methods>a:hover strong{text-decoration:underline}.contact-methods button{color:#e8f2ed;border:1px solid #71968c;padding:7px 13px;font-size:11px;white-space:nowrap}.contact-methods button:hover{background:#27584f}.contact-methods #copy-status{min-height:20px;margin-top:8px;font-size:11px}.footer{padding:32px 0 20px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:25px}.footer .brand>span{font-size:18px}.footer-top nav{display:flex;gap:24px;font-size:11px;color:#7b888d}.footer a:hover{color:var(--accent)}.back-top{font-size:10px;color:#829096}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #e8ebed;padding-top:17px;margin-top:25px;font-size:9px;color:#98a2a7}
dialog{padding:0;border:0;color:var(--ink)}dialog::backdrop{background:#10252acc;backdrop-filter:blur(3px)}.dialog-top{min-height:55px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 20px;background:white;border-bottom:1px solid var(--line);font-size:12px}.dialog-top-divider{color:#a5b2b5;padding:0 10px}.icon-button{width:32px;height:32px;display:grid;place-items:center;font-size:18px}.icon-button:hover{background:#e9eeee}.video-dialog{width:min(1180px,calc(100vw - 56px));max-height:92dvh;overflow:auto;background:white;box-shadow:0 20px 80px #0004}.player-layout{display:grid;grid-template-columns:minmax(0,1fr) 275px}.player-main{min-width:0}.video-stage{position:relative;aspect-ratio:16/9;background:#0d171a}.video-stage video{display:block;width:100%;height:100%;object-fit:contain}.video-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:13px;background:#102028ed;color:white;text-align:center;padding:20px}.video-loading strong{font-size:13px;font-weight:500}.video-loading span{font-size:10px;color:#9daeb4}.video-loading progress{width:190px;height:4px;accent-color:#51bca8}.loading-spinner{width:27px;height:27px;border:2px solid #496168;border-top-color:#c2eee1;border-radius:50%;animation:spin 1s linear infinite}.video-loading.failed .loading-spinner,.video-loading.failed progress{display:none}.video-loading .button{padding:7px 16px;min-height:34px;font-size:12px}.seek-row{display:flex;align-items:center;gap:12px;padding:13px 20px 8px;background:#f5f7f7;font-size:10px}.seek-row label{white-space:nowrap;color:#7c8b90}.seek-row input{min-width:30px;flex:1;accent-color:var(--accent);height:15px;cursor:pointer}.seek-row output{min-width:86px;text-align:right;font-size:11px;font-variant-numeric:tabular-nums;color:#62777c}.playback-tools{display:flex;gap:15px;align-items:center;padding:3px 20px 13px;font-size:10px;background:#f5f7f7;border-bottom:1px solid var(--line)}.playback-tools button{padding:2px 0;color:var(--accent)}.playback-tools button:disabled{color:#aeb9bc;cursor:wait}.playback-tools label{margin-left:auto;color:#728187;display:flex;gap:7px;align-items:center}.playback-tools select{border:1px solid var(--line);background:white;font-size:10px;padding:2px 4px}.player-description{padding:20px 23px 25px}.player-description h2{font-size:20px;font-weight:500;line-height:1.6;margin:8px 0}.player-description>p{font-size:12px;color:#7b8a90;line-height:1.9}.player-description #player-meta{font-size:10px;color:var(--accent)}.player-description>a{font-size:10px;color:#6d858b;display:inline-block;margin-top:10px}.player-description .player-message{font-size:10px;margin-top:8px;color:#518174}.playlist{border-left:1px solid var(--line);background:#f8f9f9;padding:18px}.playlist>h3{font-size:12px;font-weight:500;display:flex;justify-content:space-between;margin-bottom:16px}.playlist>h3 span{font-size:9px;color:#8b9b9e;font-weight:400}.playlist-item{display:grid;grid-template-columns:73px 1fr;gap:10px;align-items:center;text-align:left;width:100%;padding:10px 0;border-bottom:1px solid #e1e8e9}.playlist-item img{width:73px;aspect-ratio:16/9;object-fit:cover}.playlist-item strong{display:block;font-size:10px;font-weight:500;line-height:1.7}.playlist-item small{font-size:9px;color:#8a9b9f}.playlist-item.active{color:var(--accent)}.playlist-item.active img{outline:2px solid var(--accent)}.playlist-item:hover strong{color:var(--accent)}.image-dialog{width:min(1400px,calc(100vw - 40px));max-height:94dvh;background:#eef2f5}.image-dialog>img{width:100%;height:auto;max-height:calc(94dvh - 55px);object-fit:contain}.image-dialog .dialog-top{position:sticky;top:0}.image-dialog .dialog-top>span{font-size:11px}@keyframes spin{to{transform:rotate(360deg)}}
.section-head>p,.feature-copy>p,.manufacturing-copy>p{font-size:14px}.check-list{font-size:13px}.tutorial-card p,.workflow-grid p{font-size:13px}.tutorial-card-meta{font-size:11px}.faq summary{font-size:14px}.faq details p{font-size:13px}.support-grid>div>p{font-size:14px}
@media(min-width:1600px){.shell{width:min(1360px,calc(100% - 100px))}.hero{padding:90px 0}.hero-grid{gap:75px}.hero h1{font-size:65px}.hero-lead{font-size:18px}}
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