:root{color-scheme:light;--ink:#20211f;--muted:#5d615c;--paper:#fffefa;--soft:#f5f3ee;--line:#d9ddd6;--inverse:#fffefa;--accent:#171816;--radius:18px;--sans:"Segoe UI","Microsoft YaHei",sans-serif;--serif:"Times New Roman","Songti SC","SimSun",serif}
:root[data-theme=dark]{color-scheme:dark;--ink:#f4f5f0;--muted:#bac0b4;--paper:#22241f;--soft:#171816;--line:#454b3e;--inverse:#171816;--accent:#f4f5f0}
*{box-sizing:border-box}html{scroll-padding-top:104px;scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.7 var(--sans);text-rendering:optimizeLegibility}a{color:inherit;text-underline-offset:5px}button{font:inherit;color:inherit;cursor:pointer}img{max-width:100%;height:auto}svg{flex-shrink:0}h1,h2,h3,p{margin:0}h1,h2,.wordmark{font-family:var(--serif)}h1,h2{font-weight:600;letter-spacing:-.035em;line-height:1.16}h3{font-size:21px;line-height:1.4}h1{font-size:clamp(44px,5.6vw,80px)}h2{font-size:clamp(32px,3.6vw,52px)}p+p{margin-top:16px}::selection{background:var(--ink);color:var(--paper)}:focus-visible{outline:3px solid var(--ink);outline-offset:5px}.wrap{width:min(1240px,calc(100% - 96px));margin:auto}.skip{position:fixed;top:8px;left:8px;transform:translateY(-160%);padding:12px 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.menu-button{display:none}
.hero h1{font-size:clamp(44px,4.4vw,64px)}
@media (max-width:1050px){.wrap{width:calc(100% - 64px)}.hero-grid{gap:32px;grid-template-columns:1fr}.hero-work{max-width:680px}.hero h1{font-size:58px}.header-inner{gap:24px}.nav{gap:16px}.section-head{gap:32px}.hero .lead{font-size:16px}.control-grid,.faq{gap:40px}.get-started{padding:48px}.article-grid{gap:40px}.client header{flex-wrap:wrap}.compat-grid{grid-template-columns:1fr}}
@media (max-width:760px){.wrap{width:calc(100% - 40px)}.header-inner{min-height:72px;flex-wrap:wrap;gap:12px;padding:12px 0}.brand img{width:34px;height:34px}.wordmark{font-size:26px}.header-actions{margin-left:auto}.nav{order:3;flex-basis:100%;justify-content:center;gap:16px;font-size:13px}.js .menu-button{display:grid}.js .nav:not(.is-open){display:none}.hero{padding-block:48px}.hero-grid{grid-template-columns:1fr;gap:40px}.hero h1{font-size:clamp(42px,9vw,62px)}.hero .lead{max-width:100%;font-size:16px}.hero-work{transform:none}.edition-inner{align-items:flex-start;flex-direction:column;gap:8px}.section{padding-block:64px}.section-head,.control-grid,.faq{grid-template-columns:1fr;gap:24px;margin-bottom:32px}.features,.compat-grid{grid-template-columns:1fr;gap:32px}.feature{display:grid;grid-template-columns:48px 1fr;column-gap:20px;row-gap:8px}.feature-icon{grid-row:1/4;margin-bottom:0}.feature p,.feature .tag{grid-column:2;margin:0}.feature .tag{justify-self:start}.workflow{grid-template-columns:1fr;gap:24px}.workflow-tabs{flex-direction:row;overflow-x:auto;padding:4px 4px 12px;scroll-snap-type:x proximity}.step-button{min-width:124px;display:block;padding:12px}.step-number{display:block;font-size:18px;margin-bottom:4px}.step-button strong{font-size:13px}.step-button small{display:none}.step-panel{padding:24px;min-height:340px}.panel-heading{font-size:26px}.product-shot{margin:40px 0 0}.product-shot figcaption{flex-direction:column;gap:4px}.get-started{grid-template-columns:1fr;padding:32px 24px;gap:8px;border-radius:18px}.faq{margin-bottom:0}.footer-top,.footer-bottom{flex-direction:column;gap:24px}.footer nav{gap:16px}.page-header{padding-top:48px}.article-grid{grid-template-columns:1fr;padding-block:32px;gap:32px}.article-nav{position:static;flex-direction:row;flex-wrap:wrap;gap:12px 20px}.release-card{padding:24px}.release-card dl{grid-template-columns:1fr;gap:4px}.release-card dd{margin-bottom:12px}.status-row{grid-template-columns:1fr;gap:12px}.article h2{font-size:28px}.control-list li{padding-block:20px}.compat-grid .client{padding:24px}.page-header .lead{font-size:16px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.button:hover{transform:none}}
:root[data-motion=reduce]{scroll-behavior:auto}:root[data-motion=reduce] *, :root[data-motion=reduce] *:before,:root[data-motion=reduce] *:after{transition:none!important;animation:none!important}
@media (max-width:380px){.header-inner{gap:8px}.header-actions{gap:4px}.brand{gap:8px}.brand img{width:28px;height:28px}.wordmark{font-size:22px}.hero h1{font-size:clamp(32px,9.5vw,38px)}.work-inner{padding:24px 16px}.role-row{gap:8px}.role-arrow{font-size:14px}.work-result{padding:12px;font-size:12px}.work-result span{display:none}.panel-bottom{gap:8px}}
@media (pointer:coarse){.button:hover{transform:none}}
@media (max-width:380px){.work-heading img{width:48px;height:48px}.work-heading{gap:12px}.work-heading strong{font-size:16px}}