:root{--bg:#fff;--surface:#f6f6f4;--asphalt:#22252a;--ink:#16181b;--muted:#52555b;--faint:#85888e;--line:#e6e4df;--line-soft:#eeece7;--accent:#f4b400;--accent-ink:#9a7000;--sign-blue:#0a5fb4;--board-bg:#16181c;--live:#27b26e;--amber:#e0892b;--red:#d6402f;--radius:16px;--maxw:1040px;color-scheme:light}:root[data-theme=dark]{--bg:#15171a;--surface:#1d2024;--asphalt:#101215;--ink:#f1f0ea;--muted:#a6a8ad;--faint:#7e8188;--line:#2c2f34;--line-soft:#23262a;--accent-ink:#f4b400;--sign-blue:#5b9dff;--live:#30c47c;color-scheme:dark}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.001ms!important;animation-duration:.001ms!important}}body{background:var(--bg);color:var(--ink);letter-spacing:.01em;-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro TC,PingFang TC,Noto Sans TC,Microsoft JhengHei,system-ui,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-head{z-index:40;padding:0 max(16px, env(safe-area-inset-left));background:var(--bg);border-bottom:1px solid var(--line-soft);justify-content:space-between;align-items:center;gap:16px;height:48px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:8px;display:inline-flex}.brand-mark{background:var(--asphalt);width:22px;height:22px;color:var(--accent);border-radius:6px;place-items:center;font-size:14px;font-weight:800;line-height:1;display:grid}.brand-mark.small{border-radius:5px;width:18px;height:18px;font-size:12px}.brand-name{letter-spacing:.02em;font-size:16px;font-weight:600}.product-brand .brand-name{font-weight:780}.site-nav{align-items:center;gap:20px;margin-left:auto;font-size:14px;display:flex}.site-nav a{color:var(--muted);transition:color .2s}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--ink)}.site-nav .studio-link{border-left:1px solid var(--line);color:var(--faint);letter-spacing:.06em;padding-left:18px;font-size:12px;font-weight:700}.brand[aria-current=page] .brand-name{color:var(--ink)}.head-actions{align-items:center;gap:8px;display:flex}.theme-toggle{border:1px solid var(--line);width:32px;height:32px;color:var(--muted);cursor:pointer;background:0 0;border-radius:9px;place-items:center;margin:0;padding:0;transition:color .2s,border-color .2s,background .2s;display:inline-grid}.theme-toggle:hover{color:var(--ink);border-color:var(--line);background:var(--surface)}.theme-toggle .icon-sun{display:none}.theme-toggle .icon-moon,:root[data-theme=dark] .theme-toggle .icon-sun{display:block}:root[data-theme=dark] .theme-toggle .icon-moon{display:none}.menu-toggle{border:1px solid var(--line);width:44px;height:44px;color:var(--ink);cursor:pointer;background:0 0;border-radius:10px;place-items:center;margin:0;padding:0;display:none}.menu-icon-close,.menu-toggle[aria-expanded=true] .menu-icon-open{display:none}.menu-toggle[aria-expanded=true] .menu-icon-close{display:block}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}@media (width<=639px){.site-head{height:56px}.site-nav{z-index:31;width:min(22rem,100vw - 48px);padding:8px max(16px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) 16px;background:var(--bg);border-left:1px solid var(--line-soft);flex-direction:column;align-items:stretch;gap:0;margin:0;display:none;position:fixed;inset:56px 0 0 auto;box-shadow:-16px 0 32px #0000002e}.site-nav.is-open{display:flex}.site-nav a{border-bottom:1px solid var(--line-soft);white-space:nowrap;border-radius:0;align-items:center;min-height:48px;padding:0 12px;font-size:16px;display:flex}.site-nav a:first-child{border-top:1px solid var(--line-soft)}.site-nav .studio-link{border-left:0;padding-left:12px;font-size:14px}.site-nav a:hover,.site-nav a:focus-visible{background:var(--surface)}.theme-toggle{border-radius:10px;width:44px;height:44px}.menu-toggle{display:grid}body.menu-open{overflow:hidden}}.site-foot{border-top:1px solid var(--line-soft);background:color-mix(in srgb, var(--bg) 60%, var(--surface));margin-top:96px}.foot-inner{max-width:var(--maxw);flex-direction:column;gap:14px;margin:0 auto;padding:40px 20px 56px;display:flex}.foot-brand{align-items:center;gap:8px;font-weight:600;display:flex}.foot-links{flex-wrap:wrap;gap:8px 22px;font-size:14px;display:flex}.foot-links a{color:var(--muted)}.foot-links a:hover{color:var(--ink)}.foot-links span{color:var(--faint)}.foot-note,.foot-copy{color:var(--faint);margin:0;font-size:12px;line-height:1.6}.foot-note a{color:var(--muted);text-underline-offset:2px;text-decoration:underline}.foot-copy{margin-top:4px}