:root{--paper:#f2f3ef;--white:#fbfcf8;--wash:#e5e8e3;--ink:#1d211e;--muted:#687069;--line:#c7ccc6;--forest:#2d3c32;--accent:#b64b31;--serif:"Source Han Serif SC","Noto Serif CJK SC","Songti SC",SimSun,serif;--sans:"Source Han Sans SC","Noto Sans CJK SC","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box;letter-spacing:0}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.8 var(--sans);-webkit-font-smoothing:antialiased}body:has(dialog[open]){overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}img{display:block;max-width:100%}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.4}h2{font-size:34px}h3{font-size:23px}p{overflow-wrap:anywhere}button[disabled]{cursor:default}.wrap{width:min(1240px,calc(100% - 80px));margin-inline:auto}.icon{width:18px;height:18px;flex:0 0 18px}.skip{position:fixed;left:16px;top:-100px;padding:8px 16px;background:var(--white);z-index:100}.skip:focus{top:12px}.site-header{position:sticky;top:0;z-index:20;background:rgba(242,243,239,.97);border-bottom:1px solid var(--line)}.site-nav{min-height:72px;display:flex;align-items:center;gap:30px}.site-brand{display:flex;align-items:center;gap:12px;white-space:nowrap;font:18px var(--serif)}.site-brand img{width:32px;height:32px}.site-brand small{font:13px var(--sans);color:var(--muted);border-left:1px solid var(--line);padding-left:12px}.site-links{display:flex;align-items:center;gap:28px;margin-left:auto;font-size:13px}.site-links a{padding-block:23px}.site-links a[aria-current]{box-shadow:inset 0 -2px var(--accent)}.site-links 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var(--serif);margin-top:23px}.product-summary{max-width:800px;color:var(--muted);margin-top:9px}.intro-actions{display:flex;align-items:center;flex-wrap:wrap;gap:26px;margin-top:24px}.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:10px 22px;border:1px solid var(--accent);border-radius:4px;background:var(--accent);color:var(--white);font-size:14px;font-weight:600}.primary-button:hover{background:#8f3927;border-color:#8f3927}.primary-button .icon{filter:brightness(0) invert(1)}.line-link{display:inline-flex;align-items:center;gap:9px;font-size:14px;border-bottom:1px solid var(--line);padding-bottom:3px}.product-meta{display:flex;flex-wrap:wrap;gap:12px 24px;padding:20px 0 18px;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line)}.product-meta strong{font-weight:500;color:var(--ink)}.gallery{padding:26px 0 45px}.gallery-toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:16px}.tabs{display:flex;gap:24px}.tabs button{border:0;border-bottom:2px solid transparent;background:none;padding:8px 0;font-size:13px;color:var(--muted);min-height:44px}.tabs button[aria-selected=true]{border-color:var(--accent);color:var(--ink);font-weight:600}.gallery-count{font-size:12px;color:var(--muted)}.screen-button{position:relative;display:block;width:100%;border:1px solid var(--line);border-radius:6px;overflow:hidden;padding:0;background:#edf0ee;cursor:zoom-in;aspect-ratio:1440/900}.screen-button>img:first-child{width:100%;height:100%;object-fit:contain}.zoom-control{position:absolute;bottom:16px;right:16px;display:grid;place-items:center;width:40px;height:40px;background:var(--white);border:1px solid var(--line);border-radius:4px}.gallery figcaption{display:flex;justify-content:space-between;gap:20px;padding-top:14px;font-size:12px;color:var(--muted)}.gallery figcaption strong{font-weight:500;color:var(--ink)}.band{border-top:1px solid var(--line);padding:68px 0}.section-head{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:34px}.section-head .section-label{margin-bottom:10px}.section-head>p{max-width:510px;color:var(--muted)}.roles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0}.role{padding:4px 25px 6px;border-left:1px solid var(--line)}.role:first-child{padding-left:0;border-left:0}.role-heading{display:flex;align-items:center;gap:12px;margin-bottom:13px}.role-mark{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);font:20px var(--serif);color:var(--forest)}.role:nth-child(2) .role-mark{color:var(--accent)}.role:nth-child(3) .role-mark{color:#566c7a}.role:nth-child(4) .role-mark{color:#6c6545}.role p{font-size:14px;color:var(--muted)}.role small{display:block;font-size:11px;color:var(--muted);margin-top:12px}.process-band{background:var(--forest);color:var(--white)}.process-band .section-label{color:#d6b39f}.process-band .section-head>p{color:#c3cec5}.steps{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px;padding:0;margin:0}.steps li{border-top:1px solid #7c8b7e;padding-top:19px}.step-num{font:13px Georgia,serif;color:#c3cec5}.steps h3{font-size:21px;margin:14px 0 10px}.steps p{font-size:14px;color:#d4ded6}.steps .approval{border-top:2px solid #dfa78f}.approval .step-num{color:#efbea9}.comparison{width:100%;border-collapse:collapse;font-size:14px;table-layout:fixed}.comparison th,.comparison td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:20px 24px}.comparison th:first-child,.comparison td:first-child{width:18%;padding-left:0;color:var(--muted)}.comparison th{font-weight:500;font-size:13px}.comparison th:last-child{color:var(--accent)}.comparison td:last-child{background:#e8ede7}.comparison strong{display:block;font-weight:600;margin-bottom:4px}.comparison span{color:var(--muted)}.use-cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;margin-top:34px}.use-case{border-left:2px solid var(--line);padding-left:20px}.use-case h3{font-size:20px;margin-bottom:9px}.use-case p{font-size:14px;color:var(--muted)}.download-band{background:#e7ece6}.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}.download-heading h2{margin:12px 0 18px}.download-heading>p:not(.section-label){color:var(--muted);max-width:440px}.download-heading .line-link{margin-top:25px}.release{border-top:2px solid var(--forest);padding-top:22px}.release-title{display:flex;align-items:baseline;justify-content:space-between;gap:18px;margin-bottom:18px}.release-title h3{font-family:var(--sans);font-size:20px}.version{font:13px ui-monospace,SFMono-Regular,monospace;color:var(--accent)}.release dl{margin:0 0 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var(--line);background:var(--white);border-radius:4px}.copy-status{min-height:22px;font-size:12px;color:var(--forest)}.faq-layout{display:grid;grid-template-columns:1fr 2fr;gap:70px}.faq-item{border-bottom:1px solid var(--line);padding:18px 0}.faq-item:first-child{padding-top:0}.faq-item summary{cursor:pointer;font-size:16px;font-weight:500;min-height:32px}.faq-item p{color:var(--muted);font-size:14px;padding:12px 0 2px}.faq-item a{text-decoration:underline;text-underline-offset:3px}.source-note{font-size:12px;color:var(--muted);margin-top:26px}.site-footer{border-top:1px solid var(--line);padding:28px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}.footer-links{display:flex;gap:22px}.image-dialog{padding:50px 18px 18px;border:0;background:var(--white);width:min(1500px,96vw);max-height:94dvh;border-radius:6px;overflow:auto}.image-dialog::backdrop{background:rgba(20,27,22,.8)}.image-dialog>img{width:100%;height:auto}.image-dialog .close-dialog{position:absolute;top:8px;right:12px}.image-dialog p{font-size:12px;color:var(--muted);margin-top:10px}.download-error{color:var(--accent)}[hidden]{display:none!important}
@media(min-width:1600px){.wrap{width:min(1320px,calc(100% - 120px))}}
@media(max-width:1000px){.wrap{width:calc(100% - 48px)}.site-nav{gap:20px}.site-links{gap:18px}.site-brand small{display:none}.product-heading h1{font-size:52px}.section-head{gap:28px}.download-grid,.faq-layout{gap:35px}.role{padding-inline:16px}.tabs{gap:20px}.steps{gap:20px}}
@media(max-width:760px){html{scroll-padding-top:90px}.wrap{width:calc(100% - 36px)}.site-nav{min-height:64px;gap:10px}.site-brand{font-size:17px}.site-brand img{width:30px;height:30px}.nav-action{margin-left:auto;font-size:12px}.menu-toggle{display:flex}.site-links{display:none;position:absolute;left:0;right:0;top:64px;background:var(--paper);border-bottom:1px solid var(--line);margin:0;padding:10px 18px 18px;flex-direction:column;align-items:stretch;gap:0}.site-links[data-open]{display:flex}.site-links a{padding:13px 5px}.site-links a[aria-current]{box-shadow:none;color:var(--accent)}.breadcrumb{padding-top:20px}.product-intro{padding:27px 0 21px}.product-heading{gap:12px}.product-heading img{width:48px;height:48px}.product-heading h1{font-size:38px}.product-subtitle{font-size:21px;margin-top:23px}.product-summary{font-size:14px}.intro-actions{gap:20px}.product-meta{gap:8px 16px;font-size:11px;padding-block:16px}.gallery{padding-top:15px;padding-bottom:33px}.gallery-toolbar{margin-bottom:12px}.tabs{gap:20px}.tabs button{font-size:12px}.gallery-count{font-size:11px}.gallery figcaption{flex-direction:column;gap:4px}.zoom-control{width:32px;height:32px;bottom:10px;right:10px}.band{padding:43px 0}h2{font-size:28px}.section-head{grid-template-columns:1fr;gap:18px;margin-bottom:29px}.section-head>p{font-size:14px}.roles{grid-template-columns:1fr 1fr;gap:27px 0}.role:nth-child(3){border-left:0;padding-left:0}.role{padding-right:18px}.role h3{font-size:22px}.steps{grid-template-columns:1fr 1fr;gap:26px}.steps h3{font-size:19px}.comparison{font-size:12px}.comparison th,.comparison td{padding:14px 10px}.comparison th:first-child,.comparison td:first-child{width:20%}.comparison th{font-size:11px}.use-cases{grid-template-columns:1fr;gap:24px}.download-grid,.faq-layout{grid-template-columns:1fr;gap:30px}.other-platforms{flex-wrap:wrap;gap:5px}.footer-inner{align-items:flex-start;flex-direction:column;gap:15px}.footer-links{flex-wrap:wrap}.image-dialog{width:98vw;padding-inline:8px}.image-dialog>img{min-width:850px;max-width:none}.image-dialog p{max-width:calc(100vw - 40px)}.release dl{grid-template-columns:80px 1fr}}
@media(max-width:360px){.wrap{width:calc(100% - 28px)}.product-heading h1{font-size:32px}.product-heading img{width:42px;height:42px}.tabs{gap:14px}.product-subtitle{font-size:19px}.site-brand{gap:7px}}
:root{--muted:#586259}
.download-band .section-label,.download-band .version{color:#943a27}
.film{padding:26px 0 12px}.film-heading{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);padding-bottom:14px}.film-player{position:relative;aspect-ratio:16/9;background:#171914}.film video{display:block;width:100%;height:100%;object-fit:contain}.film-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:66px;height:66px;display:grid;place-items:center;border:1px solid #d0d6cd;border-radius:50%;background:rgba(242,243,239,.94)}.film-play:hover{background:var(--white)}.film-play img{margin-left:3px}.film>p{font-size:12px;color:var(--muted);margin-top:12px}.film-error a{text-decoration:underline}.film>p.film-error{color:var(--accent)}
@media(max-width:760px){.film{padding-top:19px}.film-play{width:52px;height:52px}.film-heading{padding-bottom:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}