:root{--graphite:#171a24;--whiteprint:#e7ebf3;--chalk:#fbfcfe;--relay:#3d4ea8;--handoff:#a75f1a;--slate:#59627a;--bg:var(--whiteprint);--bg-raised:var(--chalk);--bg-inset:#dde3ee;--bg-deep:#dbe1ed;--text:var(--graphite);--text-muted:var(--slate);--text-faint:#7b8399;--rule:#c8d1e2;--rule-strong:#aab6ce;--relay-soft:#e3e7f7;--relay-line:#b3bdea;--handoff-soft:#f7ebdc;--handoff-line:#e0c093;--on-relay:#fff;--radius:6px;--radius-lg:14px;--maxw:1100px;--measure:62ch;--font-display:"Archivo", "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;--font-body:"IBM Plex Sans", "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;--font-mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--graphite:#e6e9f2;--whiteprint:#141726;--chalk:#1c2032;--relay:#93a3f0;--handoff:#e0a052;--slate:#98a1ba;--bg-inset:#242940;--bg-deep:#101322;--text-faint:#7c86a3;--rule:#2c3247;--rule-strong:#3e465f;--relay-soft:#1e2440;--relay-line:#38406b;--handoff-soft:#2c2317;--handoff-line:#59452a;--on-relay:#101322}}*,:after,:before{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:72px}body{background:var(--bg);color:var(--text);font-family:var(--font-body);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.6}img{max-width:100%;height:auto;display:block}a{color:var(--relay);text-underline-offset:2px;text-decoration-thickness:1px}p{margin:0}h1,h2,h3{font-family:var(--font-display);letter-spacing:-.018em;margin:0;font-weight:700;font-stretch:110%;line-height:1.12}code,kbd{font-family:var(--font-mono);background:var(--bg-inset);border-radius:4px;padding:.12em .36em;font-size:.86em}:focus-visible{outline:2px solid var(--relay);outline-offset:3px;border-radius:3px}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}.wrap{max-width:var(--maxw);width:100%;margin-inline:auto;padding-inline:22px}.section{padding-block:clamp(60px,8vw,108px)}.section--deep,.section--ruled{border-top:1px solid var(--rule)}.section--deep{background:var(--bg-deep)}.tag{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);font-size:.7rem;font-weight:500}.tag--relay{color:var(--relay)}.tag--handoff{color:var(--handoff)}.h-section{max-width:20ch;font-size:clamp(1.55rem,3.4vw,2.15rem)}.h-lede{color:var(--text-muted);max-width:var(--measure);margin-top:14px;font-size:1.02rem}.btn{border-radius:var(--radius);font-family:var(--font-body);cursor:pointer;text-align:center;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:11px 20px;font-size:.93rem;font-weight:600;line-height:1.2;text-decoration:none;transition:background-color .15s,border-color .15s,color .15s;display:inline-flex}.btn--solid{background:var(--relay);color:var(--on-relay)}.btn--solid:hover{background:color-mix(in srgb,var(--relay) 84%,var(--graphite))}.btn--line{border-color:var(--rule-strong);color:var(--text);background:0 0}.btn--line:hover{background:var(--bg-raised);border-color:var(--slate)}.notice{background:var(--handoff-soft);border:1px solid var(--handoff-line);border-radius:var(--radius);color:var(--text);padding:14px 16px;font-size:.88rem;line-height:1.6}.notice strong{color:var(--handoff)}.visually-hidden{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}