:root{--bg:#131519;--surface:#191c21;--line:#2a2f36;--text:#e7e9ec;--muted:#9aa3ad;--accent:#e08a2e;--accent-ink:#131519;--font-sans:-apple-system, BlinkMacSystemFont, "PingFang SC",
               "Microsoft YaHei", "Noto Sans SC", sans-serif;--font-mono:ui-monospace, "JetBrains Mono", "Cascadia Mono", Consolas, monospace;--maxw:1180px;--pad:24px;--gap:24px;--radius:2px;--section-y:96px}@media(prefers-color-scheme:light){:root{--bg:#f6f6f4;--surface:#ffffff;--line:#dcdcd8;--text:#16181c;--muted:#5b6169;--accent:#a85a12;--accent-ink:#ffffff}}*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:16px;line-height:1.75;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}h1,h2,h3,p,dl,dt,dd{margin:0}img{display:block;max-width:100%;height:auto}a{color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}.skip-link{position:absolute;top:0;left:-9999px;z-index:100;padding:8px 16px;background:var(--accent);color:var(--accent-ink);text-decoration:none}.skip-link:focus{left:8px;top:8px}.site-header{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line)}.header-inner{position:relative;display:flex;align-items:center;justify-content:space-between;height:64px}.brand{font-size:19px;font-weight:600;letter-spacing:.04em;text-decoration:none}.brand span{color:var(--accent)}.nav-links{display:flex;gap:30px}.nav-links a{padding-bottom:4px;border-bottom:1px solid transparent;color:var(--muted);font-size:15px;text-decoration:none;transition:color .15s ease-out,border-color .15s ease-out}.nav-links a:hover{color:var(--text)}.nav-links a[aria-current=page]{color:var(--text);border-bottom-color:var(--accent)}.nav-toggle{display:none;padding:6px 12px;border:1px solid var(--line);border-radius:var(--radius);background:0 0;color:var(--text);font:inherit;font-size:14px;cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 22px;border:1px solid transparent;border-radius:var(--radius);font-size:15px;line-height:1.2;text-decoration:none;cursor:pointer;transition:background-color .15s ease-out,border-color .15s ease-out,transform .15s ease-out}.btn:active{transform:scale(.98)}.btn.primary{background:var(--accent);color:var(--accent-ink)}.btn.primary:hover{opacity:.9}.btn.ghost{border-color:var(--line);color:var(--text)}.btn.ghost:hover{border-color:var(--muted)}.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:72px 0 64px}h1{font-size:40px;line-height:1.2;font-weight:600;letter-spacing:.01em}.hero h1 em{font-style:normal;color:var(--accent)}.lede{margin-top:20px;color:var(--muted);font-size:16px;line-height:1.8;max-width:30em}.lede p{margin:0}.lede p+p{margin-top:1em}.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}.hero-frame{padding:10px;border:1px solid var(--line);background:var(--surface)}.hero-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:24px}.section-head h2,.updates h2,.download-band h2,.product-specs>h2,.product-feedback h2{font-size:24px;line-height:1.35;font-weight:600}.more{color:var(--muted);font-size:14px;text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:4px}.more:hover{color:var(--text);text-decoration-color:var(--accent)}.devices{padding:56px 0;border-top:1px solid var(--line)}.device-grid{display:grid;grid-template-columns:2fr 1fr}.device-main{padding-right:32px;border-right:1px solid var(--line)}.device-side{padding-left:32px}.device-side .device-card+.device-card{margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}.device-card__link{display:block;color:inherit;text-decoration:none}.device-card__img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line);background:var(--surface)}.device-card__body{padding-top:16px}.code{display:block;font-family:var(--font-mono);font-size:20px;font-weight:500;line-height:1.4;letter-spacing:.02em}.device-card__title{margin-top:4px;font-size:18px;line-height:1.4;font-weight:600}.device-card__summary{margin-top:6px;color:var(--muted);font-size:14px;line-height:1.7}.device-card__link:hover .device-card__title{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}.ph{display:flex;align-items:center;justify-content:center;aspect-ratio:4/3;border:1px dashed var(--line);background:var(--surface);color:var(--muted);font-family:var(--font-mono);font-size:13px;letter-spacing:.06em}.updates{padding:48px 0;border-top:1px solid var(--line)}.updates .empty{margin-top:12px;color:var(--muted);font-size:14px}.download-band{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:48px 0 64px;border-top:1px solid var(--line)}.download-band p{margin-top:8px;color:var(--muted);font-size:14px}.page-head{padding:56px 0 40px;border-bottom:1px solid var(--line)}.page-head .lede{max-width:42em}.product-row{display:grid;grid-template-columns:minmax(0,1fr)minmax(0,1.5fr);gap:40px;align-items:center;padding:40px 0;border-bottom:1px solid var(--line)}.product-row:last-child{border-bottom:0}.product-row__media{display:block;padding:8px;border:1px solid var(--line);background:var(--surface);text-decoration:none}.product-row__media img{width:100%;aspect-ratio:4/3;object-fit:cover}.product-row__body h2{margin-top:6px;font-size:24px;line-height:1.35}.product-row__body h2 a{text-decoration:none}.product-row__body h2 a:hover{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}.product-row__body p{margin-top:8px;color:var(--muted);font-size:14px;line-height:1.7}.product-head{padding:56px 0 32px}.product-head .lede{margin-top:8px}.product-hero{margin-bottom:40px;padding:10px;border:1px solid var(--line);background:var(--surface)}.product-hero img{width:100%;aspect-ratio:4/3;object-fit:cover}.product-body{max-width:44em;margin-bottom:56px}.product-body p+p{margin-top:1em}.product-specs{margin-bottom:56px}.product-specs>h2{margin-bottom:20px}.product-downloads{margin-bottom:56px}.product-feedback{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:40px 0 0;border-top:1px solid var(--line)}.product-feedback p{margin-top:8px;color:var(--muted);font-size:14px}.spec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}.spec{padding:24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.spec dt{color:var(--muted);font-size:14px}.spec dd{display:flex;flex-direction:column;gap:4px;margin-top:8px}.spec-value{font-family:var(--font-mono);font-size:22px;font-variant-numeric:tabular-nums}.spec-note{color:var(--muted);font-size:13px}.download-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 0;border-top:1px solid var(--line)}.download-row__title{display:block;font-weight:500}.download-row__meta{display:block;margin-top:4px;color:var(--muted);font-family:var(--font-mono);font-size:13px;font-variant-numeric:tabular-nums}.download-row__side{display:flex;align-items:center;gap:12px}.download-row__sha{color:var(--muted);font-family:var(--font-mono);font-size:12px}.stub{max-width:44em;padding:96px 0}.stub .lede{margin-bottom:32px}.site-footer{border-top:1px solid var(--line)}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:26px;color:var(--muted);font-size:13px}.footer-inner nav{display:flex;gap:20px}.footer-inner a{color:var(--muted);text-decoration:none}.footer-inner a:hover{color:var(--text);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}@media(max-width:900px){.hero{grid-template-columns:1fr;gap:40px;padding:48px 0}.device-grid{grid-template-columns:1fr}.device-main{padding-right:0;padding-bottom:32px;border-right:0;border-bottom:1px solid var(--line)}.device-side{padding-left:0;padding-top:32px}.product-row{grid-template-columns:1fr;gap:20px;padding:32px 0}.product-row__media{max-width:520px}}@media(max-width:820px){html.js .nav-toggle{display:inline-flex}html.js .nav-links{display:none}html.js .nav-links.is-open{position:absolute;top:100%;left:0;right:0;display:flex;flex-direction:column;gap:0;padding:8px var(--pad)16px;border-bottom:1px solid var(--line);background:var(--bg)}html.js .nav-links.is-open a{padding:12px 0;border-bottom:1px solid var(--line)}html.js .nav-links.is-open a:last-child{border-bottom:0}html.js .nav-links.is-open a[aria-current=page]{border-bottom-color:var(--accent)}html:not(.js) .header-inner{height:auto;flex-wrap:wrap;gap:8px;padding-block:12px}html:not(.js) .nav-links{flex-wrap:wrap;gap:16px;width:100%}}@media(max-width:720px){:root{--section-y:56px;--pad:20px}h1{font-size:28px}.hero{padding:40px 0}.page-head{padding:40px 0 28px}.product-head{padding:40px 0 24px}.spec-grid{grid-template-columns:1fr}.download-band,.product-feedback{flex-direction:column;align-items:flex-start}.footer-inner{flex-direction:column;align-items:flex-start;gap:10px}}@media(max-width:480px){.actions{flex-direction:column;align-items:stretch}.actions .btn{width:100%}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}}.download-groups{padding-bottom:24px}.download-group{padding:40px 0;border-bottom:1px solid var(--line)}.download-group:last-child{border-bottom:0}.download-group__title{margin-bottom:12px;font-size:24px;line-height:1.35;font-weight:600}.download-row__status{color:var(--muted);font-size:14px}.post-list{margin:0;padding:0;list-style:none}.post-item{padding:28px 0;border-bottom:1px solid var(--line)}.post-item:first-child{padding-top:32px}.post-item__title{font-size:22px;font-weight:600;line-height:1.4;text-decoration:none}.post-item__title:hover{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}.post-item__summary{max-width:46em;margin-top:6px;color:var(--muted);font-size:14px;line-height:1.7}.post-item__meta{display:flex;align-items:center;gap:12px;margin-top:10px;color:var(--muted);font-size:13px}.post-item__meta time,.post-meta time,.related-list time{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.tag{display:inline-block;padding:2px 8px;border:1px solid var(--line);border-radius:var(--radius);color:var(--muted);font-size:12px;line-height:1.6;text-decoration:none}.tag:hover{color:var(--text);border-color:var(--accent)}.post{padding-bottom:16px}.post-head{padding:56px 0 24px;border-bottom:1px solid var(--line)}.post-meta{display:flex;align-items:center;gap:12px;margin-top:12px;color:var(--muted);font-size:13px}.post-body{max-width:44em;padding:32px 0}.post-body p+p,.post-body ul+p,.post-body ol+p{margin-top:1em}.post-body ol,.post-body ul{margin:0;padding-left:1.4em}.post-body li+li{margin-top:6px}.post-body a{text-decoration-color:var(--accent);text-underline-offset:3px}.related{padding:32px 0 8px;border-top:1px solid var(--line)}.related h2{margin-bottom:12px;font-size:24px;line-height:1.35;font-weight:600}.related-list{margin:0;padding:0;list-style:none}.related-list li{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line)}.related-list a{text-decoration:none}.related-list a:hover{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}.related-list time{color:var(--muted);font-size:13px}.empty{padding:32px 0;color:var(--muted);font-size:14px}.support-block{padding:40px 0;border-bottom:1px solid var(--line)}.support-block:last-child{border-bottom:0}.support-block h2{margin-bottom:16px;font-size:24px;line-height:1.35;font-weight:600}.support-block p{max-width:44em}.support-block a{text-decoration-color:var(--accent);text-underline-offset:3px}.faq{max-width:44em}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-item summary{padding:14px 0;font-weight:500;cursor:pointer}.faq-item summary:hover{color:var(--accent)}.faq-item p{padding:0 0 16px;color:var(--muted);font-size:14px;line-height:1.8}@media(max-width:720px){.post-head{padding:40px 0 20px}.post-item__title{font-size:20px}.related-list li{flex-direction:column;gap:2px}}@media(max-width:600px){.download-groups .download-row{flex-direction:column;align-items:flex-start;gap:8px}.download-groups .download-row__side{align-self:flex-end}}.updates .post-item{padding:16px 0}.updates .post-item:first-child{padding-top:16px}.footer-icp{font-size:12px}