.platform-header[data-astro-cid-43zfb4ir]{position:sticky;top:0;z-index:100;background:#fffffff2;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--p-border);transition:background .3s,border-color .3s}.platform-page.dark .platform-header[data-astro-cid-43zfb4ir]{background:#0f172af2}.header-inner[data-astro-cid-43zfb4ir]{max-width:1200px;margin:0 auto;padding:0 1rem;height:60px;display:flex;align-items:center;justify-content:space-between;gap:2rem}.header-logo[data-astro-cid-43zfb4ir]{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--p-fg);flex-shrink:0}.logo-icon[data-astro-cid-43zfb4ir]{width:32px;height:32px;border-radius:8px;background:var(--p-primary);display:flex;align-items:center;justify-content:center;padding:4px;overflow:hidden}.logo-icon[data-astro-cid-43zfb4ir] img[data-astro-cid-43zfb4ir]{width:100%;height:100%;object-fit:contain}.logo-name[data-astro-cid-43zfb4ir]{font-weight:700;font-size:1.1rem;display:block;line-height:1.2}.logo-tagline[data-astro-cid-43zfb4ir]{font-size:.6rem;color:var(--p-fg-muted)}.header-actions[data-astro-cid-43zfb4ir]{display:flex;align-items:center;gap:.75rem;flex-shrink:0}.theme-toggle[data-astro-cid-43zfb4ir]{display:inline-flex;align-items:center;justify-content:center;background:0 0;border:1px solid var(--p-border);color:var(--p-fg-muted);cursor:pointer;padding:6px;border-radius:6px;transition:all .2s;width:32px;height:32px}.theme-toggle[data-astro-cid-43zfb4ir]:hover{color:var(--p-fg);background:var(--p-bg-muted)}.icon-moon[data-astro-cid-43zfb4ir],.platform-page.dark .icon-sun[data-astro-cid-43zfb4ir]{display:none}.platform-page.dark .icon-moon[data-astro-cid-43zfb4ir]{display:block}.lang-dropdown[data-astro-cid-43zfb4ir]{position:relative}.lang-dropdown-btn[data-astro-cid-43zfb4ir]{display:inline-flex;align-items:center;gap:4px;color:var(--p-fg-muted);background:0 0;border:1px solid var(--p-border);font-size:.8rem;font-weight:600;font-family:inherit;padding:4px 8px;border-radius:6px;cursor:pointer;transition:all .2s}.lang-dropdown-btn[data-astro-cid-43zfb4ir]:hover{color:var(--p-fg);background:var(--p-bg-muted)}.lang-chevron[data-astro-cid-43zfb4ir]{transition:transform .2s}.lang-dropdown[data-astro-cid-43zfb4ir].open .lang-chevron[data-astro-cid-43zfb4ir]{transform:rotate(180deg)}.lang-dropdown-menu[data-astro-cid-43zfb4ir]{display:none;position:absolute;top:calc(100% + 6px);inset-inline-end:0;min-width:140px;background:var(--p-card);border:1px solid var(--p-border);border-radius:8px;padding:4px;box-shadow:0 4px 16px #0000001a;z-index:200}.lang-dropdown[data-astro-cid-43zfb4ir].open .lang-dropdown-menu[data-astro-cid-43zfb4ir]{display:block}.platform-page.dark .lang-dropdown-menu[data-astro-cid-43zfb4ir]{box-shadow:0 4px 16px #0000004d}.lang-dropdown-item[data-astro-cid-43zfb4ir]{display:block;padding:8px 12px;color:var(--p-fg-muted);text-decoration:none;font-size:.85rem;border-radius:6px;transition:all .15s;white-space:nowrap}.lang-dropdown-item[data-astro-cid-43zfb4ir]:hover{background:var(--p-bg-muted);color:var(--p-fg)}.lang-dropdown-item[data-astro-cid-43zfb4ir].active{color:var(--p-fg);font-weight:600}.header-signin[data-astro-cid-43zfb4ir]{color:var(--p-fg-muted);text-decoration:none;font-size:.875rem;font-weight:500;padding:6px 12px;border-radius:6px;transition:all .2s}.header-signin[data-astro-cid-43zfb4ir]:hover{color:var(--p-fg);background:var(--p-bg-muted)}.header-cta[data-astro-cid-43zfb4ir]{display:inline-flex;align-items:center;gap:6px;background:var(--p-primary);color:var(--p-primary-fg);text-decoration:none;font-size:.85rem;font-weight:500;padding:8px 16px;border-radius:var(--radius-sm);transition:all .2s}.header-cta[data-astro-cid-43zfb4ir]:hover{opacity:.9}.mobile-menu-btn[data-astro-cid-43zfb4ir]{display:none;background:0 0;border:0;color:var(--p-fg-muted);cursor:pointer;padding:6px}.mobile-nav[data-astro-cid-43zfb4ir]{display:none}@media (max-width:900px){.header-actions[data-astro-cid-43zfb4ir]{display:none}.mobile-menu-btn[data-astro-cid-43zfb4ir]{display:block}.mobile-nav[data-astro-cid-43zfb4ir]{display:none;flex-direction:column;padding:1rem;border-top:1px solid var(--p-border);background:var(--p-bg)}.mobile-nav[data-astro-cid-43zfb4ir].open{display:flex}.mobile-nav[data-astro-cid-43zfb4ir] a[data-astro-cid-43zfb4ir]{color:var(--p-fg-muted);text-decoration:none;font-size:.95rem;font-weight:500;padding:.6rem 0}.mobile-lang-list[data-astro-cid-43zfb4ir]{display:flex;gap:.75rem;flex-wrap:wrap}.mobile-lang-item[data-astro-cid-43zfb4ir]{font-size:.85rem!important;padding:4px 10px!important;border:1px solid var(--p-border);border-radius:6px}.mobile-nav-divider[data-astro-cid-43zfb4ir]{height:1px;background:var(--p-border);margin:.5rem 0}.mobile-cta[data-astro-cid-43zfb4ir]{display:inline-flex;justify-content:center;margin-top:.5rem}}