:root{--bg:#FFFFFF;--panel:#FFFFFF;--border:#D6D9DC;--text:#232629;--dim:#6A737C;--indigo:#0074CC;--green:#2F7D4F;--code:#F6F7F8;--red:#C9342B;--amberfix:#C1560A;--orange:#F48024;--powder:#E1ECF4;--powder-text:#2F5F84;--border-control:#8D959C;--dim-on-code:#616B74;--btn:#0074CC;--btn-hover:#0065B3;--tagline-text:#B45A0E;--banner-link:#005FA8;--ff-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Liberation Sans", sans-serif;--ff-mono: ui-monospace, "Cascadia Mono", "Segoe UI Mono", Menlo, Monaco, Consolas, monospace}*{box-sizing:border-box;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--ff-sans)}a{color:inherit;text-decoration:none}.hairline{height:3px;background:var(--orange)}.skip{position:absolute;left:-9999px;top:0;z-index:100}.skip:focus{left:0;padding:.7rem 1.1rem;background:var(--btn);color:#fff;font-size:.9rem;font-weight:600;text-decoration:none;outline:2px solid var(--text);outline-offset:2px}.col-main:focus{outline:none}.top{display:flex;align-items:center;gap:1.4rem;border-bottom:1px solid var(--border);background:var(--panel);position:sticky;top:0;z-index:50;padding:.65rem max(1.5rem,calc((100vw - 1200px)/2))}.logo{font-weight:700;font-size:1.05rem;display:flex;align-items:center;gap:.35rem}.logo .mark{color:var(--orange);font-size:1.25rem;line-height:1}.logo .word{color:var(--indigo)}.logo .word .d{color:var(--text)}.nav{display:flex;gap:1.1rem;font-size:.84rem;color:var(--dim)}.nav a:hover,.nav a.on{color:var(--indigo)}.nav-soon{color:var(--dim);cursor:default;display:flex;align-items:center;gap:.4rem}.b-soon{background:var(--code);color:#5f6b76}.hsearch{flex:1;max-width:440px;margin-left:.4rem}.vh{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.hsearch textarea{width:100%;border:1px solid var(--border-control);border-radius:4px;padding:.42rem .7rem;resize:none;overflow:hidden;line-height:1.4;display:block;max-height:8.5rem;font-size:.84rem;background:var(--code);color:var(--text);font-family:inherit}.hsearch textarea:focus{border-color:var(--indigo);background:#fff;outline:2px solid var(--indigo);outline-offset:1px}.tagline{color:var(--tagline-text);font-weight:700;font-size:.9rem;white-space:nowrap;margin-left:1rem}.head-actions{margin-left:auto}.btn-fill{display:inline-block;border:none;background:var(--btn);color:#fff;border-radius:4px;padding:.5rem 1rem;font-size:.84rem;font-weight:600;cursor:pointer}.btn-fill:hover{background:var(--btn-hover)}.banner{background:#ebf4ff;border-bottom:1px solid var(--border);font-size:.82rem;padding:.55rem max(1.5rem,calc((100vw - 1200px)/2));color:#1a4b77;text-align:center}.banner a{color:var(--banner-link);font-weight:600;text-decoration:underline}.shell{display:grid;grid-template-columns:52px 1fr;max-width:1200px;margin:0 auto;align-items:start}.shell.has-aside{grid-template-columns:52px 1fr 300px}.rail{border-right:1px solid var(--border);padding:1rem 0;display:flex;flex-direction:column;align-items:center;gap:1.1rem;position:sticky;top:0}.rail .ic{width:32px;height:32px;border-radius:6px;display:flex;align-items:center;justify-content:center;color:var(--dim);position:relative}.rail .ic:hover{background:var(--code);color:var(--text)}.rail .ic svg{width:18px;height:18px}.rail .ic.on{background:var(--powder);color:var(--powder-text)}.rail .ic.on:after{content:"";position:absolute;left:-9px;top:4px;width:3px;height:24px;background:var(--orange);border-radius:2px}.col-main{min-width:0;padding:1.4rem 1.6rem}.shell.has-aside .col-main{border-right:1px solid var(--border)}.col-aside{padding:1.4rem 1.2rem}footer{border-top:1px solid var(--border);color:var(--dim);font-size:.72rem;text-align:center;padding:1.2rem;background:var(--panel)}footer a{color:var(--indigo);font-weight:600;text-decoration:underline}.badge{font-size:.64rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;border-radius:5px;padding:.25rem .6rem;display:inline-block}.b-ver{background:#e9f6ed;color:var(--green)}.b-area{background:var(--powder);color:var(--powder-text)}code{font-family:var(--ff-mono);background:var(--code);border:1px solid var(--border);border-radius:4px;padding:.1rem .4rem;font-size:.78rem}@media(max-width:1050px){.tagline{display:none}}@media(max-width:900px){.shell.has-aside{grid-template-columns:52px 1fr}.col-aside{display:none}}@media(max-width:640px){.top{flex-wrap:wrap;gap:.5rem .9rem;padding:.6rem 1rem}.hsearch{order:3;max-width:none;flex-basis:100%}.hsearch textarea{font-size:16px}.head-actions{order:4;width:100%;margin-left:0}.head-actions .btn-fill{display:block;width:100%;text-align:center}.nav-soon,.rail{display:none}.shell,.shell.has-aside{grid-template-columns:1fr}.col-main{padding:1rem}.shell.has-aside .col-main{border-right:none}}