:root{color-scheme:light;--bg:#f8fafc;--ink:#17191d;--muted:#56616d;--line:#d8dee5;--panel:#eef2f6;--button:#17191d;--on-button:#fff;--radius:10px;--max:1280px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none}
html[data-theme=dark]{color-scheme:dark;--bg:#202329;--ink:#f3f5f7;--muted:#b6bec8;--line:#444b55;--panel:#2a2f37;--button:#f3f5f7;--on-button:#17191d}
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nav{display:flex;gap:26px;font-size:14px;color:var(--muted)}.header-tools{margin-left:auto;display:flex;align-items:center;gap:24px;font-size:14px}.plain{border:0;background:none;color:var(--ink);padding:12px 0;min-height:44px}.language{border:none!important;background:none!important}.language button{padding:12px 8px!important;background:none!important;color:var(--muted)!important;border-radius:0!important}.language button[aria-pressed=true]{color:var(--ink)!important;text-decoration:underline;text-underline-offset:8px}.skip{position:absolute;left:16px;top:-100px;z-index:10;background:var(--bg);padding:16px}.skip:focus{top:10px}.hero{padding-top:64px;padding-bottom:60px}.eyebrow{font-size:12px;letter-spacing:.13em;font-weight:650;margin-bottom:22px}.hero h1{font-size:clamp(40px,5.3vw,72px);line-height:1.05;letter-spacing:-.047em;font-weight:740;margin-bottom:26px}.hero h1 span{display:block}.hero 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p{max-width:550px;color:var(--muted);font-size:15px;margin-bottom:0}.detail-buttons{display:flex;gap:8px;flex-wrap:wrap;align-items:start}.detail-buttons button{color:var(--ink);background:none;border:1px solid var(--line);border-radius:6px;min-height:44px;padding:10px 14px;font-size:13px}.design-section{margin-top:100px}.designer{width:100%;max-width:1100px;margin:auto}.designer img{width:100%;border:1px solid var(--line);border-radius:12px}.designer figcaption{justify-content:center}.film-section{margin-top:100px}.film-frame{background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}.film-frame video{display:block;width:100%;height:auto;max-height:660px}.caption{font-size:13px;color:var(--muted);line-height:1.55}.setup-section{margin-top:100px}.steps{padding:0;list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin:40px 0}.steps li+li{border-left:1px solid var(--line);padding-left:32px}.steps 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32px);max-height:90dvh;overflow:auto}dialog::backdrop{background:rgba(12,16,22,.65)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.dialog-head .eyebrow{margin-bottom:0}dialog h2{margin:20px 0}.detail-crop{position:relative;overflow:hidden;background:var(--panel);border-radius:10px;margin:22px 0}.detail-crop img{position:absolute;max-width:none;height:auto}.detail-crop+ p{color:var(--muted)}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}