:root{--paper:#f5f4ed;--ivory:#faf9f5;--ink:#171713;--muted:#6b6a64;--secondary:#504e49;--line:#e5e3d8;--serif:"Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", "STSong", Georgia, serif;--ui:"PingFang SC", -apple-system, BlinkMacSystemFont, "Microsoft YaHei", sans-serif;font-family:var(--serif);color:var(--ink);background:var(--paper);font-synthesis:none;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-width:none}html::-webkit-scrollbar{display:none}body{letter-spacing:.2px;min-width:320px;margin:0;font-size:16px;line-height:1.55}button,input{font:inherit}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}h1,h2,h3,p,figure,dl,dd{margin:0}h1,h2,h3{font-weight:500;line-height:1.25}a:focus-visible,summary:focus-visible{outline:2px solid var(--ink);outline-offset:5px}.skip-link{z-index:30;background:var(--ink);color:var(--paper);padding:12px;position:fixed;top:-100px;left:16px}.skip-link:focus{top:12px}.site-header{z-index:10;background:var(--paper);border-bottom:1px solid var(--line);position:fixed;top:0;left:0;right:0}.header-inner{justify-content:space-between;align-items:center;gap:20px;max-width:1120px;min-height:72px;margin:auto;padding:0 64px;display:flex}.brand{letter-spacing:-.6px;white-space:nowrap;align-items:center;gap:10px;font:24px Charter,Georgia,serif;display:inline-flex}.brand img{object-fit:contain;width:30px;height:30px}.site-header nav{font:13px var(--ui);white-space:nowrap;align-items:center;gap:30px;display:flex}.site-header nav a{color:var(--secondary);padding:9px 0}.site-header nav a[aria-current],.site-header nav .header-download{color:var(--ink)}.site-header nav .header-download{border-bottom:1px solid var(--ink)}.page{width:100%;max-width:1120px;margin:0 auto;padding:136px 64px 72px}.home-page>section{margin-bottom:80px}.hero{text-align:center;border-bottom:1px solid var(--line);padding-bottom:36px}.eyebrow,.hero-facts{font:13px var(--ui);color:var(--muted)}.eyebrow{margin-bottom:26px}.hero h1{letter-spacing:-2px;margin-bottom:24px;font-size:clamp(40px,6.6vw,80px);line-height:1.2}.hero h1 span{display:inline-block}.tagline{color:var(--secondary);margin-bottom:14px;font-size:19px}.hero-description{max-width:700px;color:var(--secondary);margin:auto}.hero-facts{flex-wrap:wrap;justify-content:center;gap:10px 24px;margin:26px 0;padding:0;list-style:none;display:flex}.hero-facts li{white-space:nowrap}.hero-cta{justify-content:center;gap:16px;display:flex}.btn-primary,.btn-ghost{border:1px solid var(--ink);min-height:48px;font:14px var(--ui);white-space:nowrap;border-radius:2px;justify-content:center;align-items:center;padding:12px 24px;display:inline-flex}.btn-primary{color:var(--ivory);background:var(--ink)}.btn-ghost{background:0 0}.hero-image{width:100%;max-width:720px;margin:32px auto 0}.section-head{margin-bottom:28px}.section-num{color:var(--muted);font:12px var(--ui);margin-bottom:10px}.section-head h2{font-size:34px}.section-lede{color:var(--secondary);margin-top:14px;font-size:17px}.app-gallery{grid-template-columns:1fr 1fr;gap:26px;display:grid}.app-gallery figure{min-width:0}.app-gallery figure>a{background:var(--ivory);border:1px solid #c8c5ba;border-radius:4px;display:block;overflow:hidden}.app-gallery figure:first-child{grid-column:1/-1}.app-gallery figcaption{color:var(--secondary);margin-top:12px;font-size:14px}.features{border-top:1px solid var(--line)}.features>div{border-bottom:1px solid var(--line);grid-template-columns:200px 1fr;align-items:baseline;gap:36px;padding:28px 0;display:grid}.features dt{font-size:22px}.features dd{color:var(--secondary);font-size:16px}.workflow{grid-template-columns:1fr 1fr;column-gap:36px;margin:0;padding:0;list-style:none;display:grid}.workflow li{border-top:1px solid var(--line);grid-template-columns:24px 1fr;gap:10px;padding:24px 0;display:grid}.step-number{color:var(--secondary)}.workflow h3{margin-bottom:8px;font-size:18px}.workflow p{color:var(--secondary);font-size:15px}.text-link{border-bottom:1px solid var(--ink);margin-top:24px;padding-bottom:3px;font-size:15px;display:inline-block}.faq details{border-bottom:1px solid var(--line);padding:22px 0}.faq summary{cursor:pointer;font-size:18px}.faq p{max-width:760px;color:var(--secondary);margin-top:14px}.site-footer{border-top:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:32px;padding-top:40px;display:flex}.site-footer p{color:var(--muted);margin-top:14px;font-size:13px}.footer-links{font:12px var(--ui);color:var(--secondary);flex-direction:column;align-items:flex-end;gap:12px;display:flex}.docs-page{grid-template-columns:190px minmax(0,1fr);gap:48px;padding-top:120px;display:grid}.docs-sidebar{width:190px;max-height:calc(100svh - 144px);position:fixed;top:120px;left:max(64px,50vw - 496px);overflow:auto}.sidebar-label{font:12px var(--ui);color:var(--muted);margin:0 0 20px 14px}.docs-sidebar nav{gap:8px;display:grid}.docs-sidebar nav a{color:var(--secondary);border-left:2px solid #0000;padding:8px 12px;font-size:15px}.docs-sidebar nav a[aria-current=page]{border-color:var(--ink);color:var(--ink)}.article-column{grid-column:2;min-width:0;max-width:720px}.article-header{border-bottom:1px solid var(--line);margin-bottom:40px;padding-bottom:32px}.article-header h1{margin-bottom:18px;font-size:42px}.article-header>p:last-child{color:var(--secondary);font-size:18px}.article-section{margin-bottom:40px}.article-section h2{margin-bottom:16px;scroll-margin-top:100px;font-size:24px}.article-section p{color:var(--secondary);margin-top:16px;line-height:1.55}.article-section ul,.article-section ol{color:var(--secondary);margin:18px 0;padding-left:24px}.article-section li{margin:12px 0;padding-left:5px;line-height:1.55}.article-section .btn-primary{margin-top:16px}.article-image{margin-top:24px}.article-image img{background:var(--ivory);border:1px solid #c8c5ba;border-radius:4px}.article-image figcaption{color:var(--muted);margin-top:12px;font-size:13px}.feedback-links{flex-wrap:wrap;gap:20px;display:flex}.feedback-links a{text-underline-offset:4px;text-decoration:underline}.article-pager{border-top:1px solid var(--line);grid-template-columns:1fr 1fr;gap:20px;margin:48px 0;padding:28px 0;display:grid}.article-pager>div:last-child{text-align:right}.article-pager small{font:12px var(--ui);color:var(--muted);margin-bottom:8px;display:block}.docs-page .site-footer{flex-direction:column;gap:24px}.docs-page .footer-links{flex-flow:wrap;align-items:center;gap:12px 20px}@media (hover:hover){a:hover{color:var(--ink)}.btn-primary:hover{color:var(--ivory);background:#3d3d3a}.btn-ghost:hover{background:var(--line)}}@media (width<=880px){.header-inner{padding:0 32px}.page{padding:116px 32px 64px}.home-page>section{margin-bottom:56px}.hero h1{letter-spacing:-1px}.app-gallery{grid-template-columns:1fr;gap:28px}.features>div{grid-template-columns:1fr;gap:10px}.workflow{grid-template-columns:1fr}.site-footer{flex-direction:column}.footer-links{align-items:flex-start}.docs-page{display:block}.docs-sidebar{z-index:8;background:var(--paper);border-bottom:1px solid var(--line);width:auto;min-width:0;max-height:none;margin:-16px 0 32px;padding:16px 0 12px;position:sticky;top:72px;left:auto;overflow:visible}.sidebar-label{margin-bottom:12px;margin-left:0}.docs-sidebar nav{scrollbar-width:none;gap:16px;display:flex;overflow-x:auto}.docs-sidebar nav a{white-space:nowrap;border-bottom:2px solid #0000;border-left:0;flex:none;padding:8px 0}.article-column{max-width:none}}@media (width<=480px){.header-inner{gap:12px;min-height:64px;padding:0 16px}.brand{gap:6px;font-size:21px}.brand img{width:25px;height:25px}.site-header nav{gap:14px;font-size:12px}.page{padding:104px 20px 48px}.home-page>section{margin-bottom:48px}.hero{text-align:left;padding-bottom:28px}.hero h1{font-size:45px}.hero h1 span{display:block}.tagline{font-size:17px}.hero-description{font-size:15px}.hero-facts,.hero-cta{justify-content:flex-start}.hero-facts{gap:10px 14px;font-size:12px}.hero-cta{flex-wrap:wrap;gap:12px}.btn-primary,.btn-ghost{padding:12px 16px;font-size:13px}.hero-image{margin-top:26px}.section-head h2{font-size:29px}.section-lede{font-size:16px}.features>div{padding:24px 0}.faq summary{font-size:17px}.docs-sidebar{margin-bottom:28px;top:64px}.article-header h1{font-size:34px}.article-header>p:last-child{font-size:17px}.article-section h2{font-size:23px}.article-pager{gap:12px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
