:root{--brand:#2b5f94;--brand-2:#2f6f82;--ink:#1e293b;--ink-2:#334155;--muted:#5b6577;--line:#e2e8f0;--bg:#fff;--bg-soft:#f4f6f9;--accent:#e87722;--spi-0:#c2410c;--spi-1:#d4a017;--spi-2:#2f855a;--radius:10px;--wrap:1180px;--font:"Nunito Sans", system-ui, -apple-system, "Segoe UI", sans-serif;--font-ar:"Noto Sans Arabic", "Nunito Sans", "Segoe UI", Tahoma, sans-serif;--font-zh:"Nunito Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{font-family:var(--font);color:var(--ink);background:var(--bg);margin:0;line-height:1.55}a{color:var(--brand)}a:hover{color:var(--ink)}img{max-width:100%;height:auto}h1,h2,h3{color:var(--ink);line-height:1.2}h1{margin:0 0 .5rem;font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800}h2{margin:2rem 0 .75rem;font-size:1.4rem;font-weight:800}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}.skip{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.skip:focus{clip:auto;inset-inline-start:16px;z-index:10;background:#fff;width:auto;height:auto;padding:8px 12px;top:8px}.prototype-bar{background:var(--accent);color:var(--ink);text-align:center;padding:6px 16px;font-size:.85rem}.prototype-bar a{color:var(--ink);font-weight:700}.site-header{background:var(--ink)}.site-header .wrap{flex-wrap:wrap;align-items:center;gap:24px;min-height:64px;display:flex}.site-header .logo{order:0}.site-header .logo img{width:auto;height:36px;display:block}.site-menu{display:contents}.site-nav{flex-wrap:wrap;order:1;gap:4px 18px;margin-inline-start:auto;display:flex}.site-nav a{color:#e2e8f0;padding:6px 0;font-size:.95rem;font-weight:600;text-decoration:none}.site-nav a:hover,.site-nav a[aria-current=page]{color:#fff;box-shadow:inset 0 -2px 0 var(--accent)}.site-search{order:2}.lang-menu{order:3}.menu-btn,.site-header .site-menu .menu-langs{display:none}.site-search 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.menu-icon:before{top:0;transform:rotate(45deg)}.menu-open .menu-icon:after{top:0;transform:rotate(-45deg)}.site-search{order:2;width:100%}.is-home .site-search{display:none}.site-search input{width:100%;padding:10px 14px;font-size:16px}.site-menu{order:3;width:100%;display:block}.js .site-header:not(.menu-open) .site-menu{display:none}.site-nav{grid-template-columns:1fr 1fr;gap:0 16px;margin:0;display:grid}.site-nav a{border-bottom:1px solid #334155;padding:12px 0;font-size:1.05rem}.site-nav a[aria-current=page]{box-shadow:none;color:var(--accent)}.lang-menu{display:none}.site-header .site-menu .menu-langs{padding:14px 0 6px;display:flex}.site-header .menu-langs a{color:#e2e8f0;padding:6px 0}.site-header .menu-langs a[aria-current]{color:#fff!important}.site-header .menu-langs .lang-links-label{color:#94a3b8;width:100%}}@media (width<=760px){.site-header .logo img{height:24px}.prototype-bar{padding:4px 12px;font-size:.78rem}}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.lang-ar{font-family:var(--font-ar);line-height:1.7}.lang-zh{font-family:var(--font-zh)}.lang-menu{position:relative}.lang-menu summary{cursor:pointer;color:#e2e8f0;white-space:nowrap;border:1px solid #475569;border-radius:999px;padding:6px 10px;font-size:.9rem;font-weight:600;list-style:none}.lang-menu summary::-webkit-details-marker{display:none}.lang-menu ul{inset-inline-end:0;z-index:20;background:#fff;border-radius:10px;min-width:160px;margin:0;padding:6px 0;list-style:none;position:absolute;top:calc(100% + 6px);box-shadow:0 10px 30px #0f172a40}.lang-menu li a{color:var(--ink);padding:8px 16px;text-decoration:none;display:block}.lang-menu li a:hover{background:var(--bg-soft)}.lang-menu li a[aria-current]{color:var(--brand);font-weight:800}.lang-suggest{background:var(--brand);color:#fff;padding:8px 0}.lang-suggest .wrap{justify-content:space-between;align-items:center;gap:12px;display:flex}.lang-suggest a{color:#fff;font-weight:700}.lang-suggest button{color:#fff;cursor:pointer;background:0 0;border:0;padding:0 4px;font-size:1.4rem;line-height:1}.footer-langs{margin-bottom:.25rem}.mt-note{color:var(--ink-2);background:#fff7ed;border-bottom:1px solid #fed7aa;padding:6px 0;font-size:.85rem}.footer-links{flex-wrap:wrap;gap:6px 18px;display:flex}main{min-height:60vh}.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);color:var(--ink-2);margin-top:4rem;padding:2rem 0;font-size:.9rem}.site-footer .wrap{gap:1rem;display:grid}.stats{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:1.5rem 0;display:grid}.stat{background:var(--bg-soft);border-radius:var(--radius);padding:18px 20px}.stat .n{color:var(--brand);font-size:1.9rem;font-weight:800;display:block}.stat .l{color:var(--ink-2);font-size:.9rem}.spi{color:#fff;white-space:nowrap;border-radius:999px;padding:2px 10px;font-size:.8rem;font-weight:700;display:inline-block}.spi-0{background:var(--spi-0)}.spi-1{background:var(--spi-1);color:#1e293b}.spi-2{background:var(--spi-2)}.muted{color:var(--muted)}@media (width<=640px){.pg-table thead{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.pg-table,.pg-table tbody{display:block}.pg-table tr{border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:baseline;gap:2px 6px;padding:12px 2px;display:flex}.pg-table td{display:block;text-align:start!important;border:0!important;padding:0!important}.pg-table td.c-name{flex:1 1 0;min-width:0;font-size:1.02rem;font-weight:700}.pg-table td.c-status{flex:none;order:1;margin-inline-start:auto}.pg-table tr:after{content:"";flex-basis:100%;order:1;height:0}.pg-table td.c-meta{color:var(--ink-2);order:2;font-size:.88rem}.pg-table td.c-meta a{color:inherit}.pg-table td.c-meta+td.c-meta:before{content:"· ";color:var(--muted)}.pg-table td.num:after{content:" " attr(data-label);color:var(--muted);text-transform:lowercase}.pg-table td[colspan]{flex:100%}}@media (width<=560px){.stats{grid-template-columns:1fr 1fr;gap:10px}.stat{padding:14px}.stat .n{font-size:1.5rem}.stat .l{font-size:.85rem;line-height:1.35;display:block}}[dir=rtl] .flip{display:inline-block;transform:scaleX(-1)}.lang-links[data-astro-cid-msige7la]{flex-wrap:wrap;align-items:center;gap:6px 14px;display:flex}.lang-links-label[data-astro-cid-msige7la]{color:var(--muted);font-size:.9rem}.lang-links[data-astro-cid-msige7la] a[data-astro-cid-msige7la]{font-weight:600;text-decoration:none}.lang-links[data-astro-cid-msige7la] a[data-astro-cid-msige7la][aria-current]{color:var(--ink);text-underline-offset:4px;text-decoration:underline}