:root{color:#233a3c;font-synthesis:none;text-size-adjust:100%;--brand:#1c7b6c;--ink:#233a3c;--muted:#596d68;--line:#dfe8e5;--surface:#f4f7f6;background:#fff;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{overflow-wrap:break-word;margin:0;line-height:1.7}a{color:var(--brand);text-underline-offset:4px}a:focus-visible{outline:3px solid var(--brand);outline-offset:4px}button:focus-visible{outline:3px solid var(--brand);outline-offset:4px}summary:focus-visible{outline:3px solid var(--brand);outline-offset:4px}[tabindex]:focus-visible{outline:3px solid var(--brand);outline-offset:4px}button{font:inherit;color:#fff;background:var(--brand);cursor:pointer;border:0;border-radius:8px;padding:12px 24px}h1,h2,h3,p{margin-top:0}.brand{align-items:center;gap:10px;font-size:17px;font-weight:600;display:flex}.brand img{flex:none}.message-page{max-width:640px;margin:0 auto;padding:80px 24px}.message-page h1{font-size:26px}.message-page a{padding:12px 0;display:inline-block}.skip-link{z-index:10;background:#fff;padding:12px 20px;position:absolute;top:-100px;left:16px}.skip-link:focus{top:12px}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important}}.home-shell{max-width:640px;min-height:100vh;padding:32px 24px 16px;padding-top:calc(32px + env(safe-area-inset-top,0px));padding-bottom:calc(16px + env(safe-area-inset-bottom,0px));flex-direction:column;margin:0 auto;display:flex}.home-shell main{margin-top:72px}.home-shell h1{margin-bottom:12px;font-size:29px;font-weight:600;line-height:1.5}.home-intro{color:var(--muted);margin-bottom:32px;font-size:15px}.document-link{border-top:1px solid var(--line);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;padding:24px 0;text-decoration:none;display:flex}.document-link strong{color:var(--ink);margin-bottom:4px;font-size:17px;font-weight:600;display:block}.document-link span span{color:var(--muted);font-size:13px}.document-link svg{flex:none}.home-footer{color:var(--muted);margin-top:auto;padding-top:80px;font-size:12px}