:root{color-scheme:light;--blue: #0070d1;--blue-hover: #0064b7;--blue-active: #004d8d;--focus: #79d4ff;--surface-dark: #121314;--surface-deep: #000;--surface-light: #fff;--surface-muted: #f5f7fa;--text-on-dark: #f7f9fc;--muted-on-dark: #c6cdd6;--text-on-light: #181b20;--muted-on-light: #4a525c;--border-light: #c5cbd3;--error: #b50f1f;--radius-card: .5rem;--radius-input: .25rem;--content-width: 80rem;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans TC,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html{min-width:20rem;min-height:100%;scroll-behavior:smooth}body{min-width:20rem;min-height:100%;margin:0;background:var(--surface-light);color:var(--text-on-light);font-size:1rem;line-height:1.65;-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit}a{text-underline-offset:.2em}a:hover{text-decoration-thickness:.15em}:focus-visible{outline:3px solid #fff!important;outline-offset:2px;box-shadow:0 0 0 6px #002f6c!important}h1,h2,h3{line-height:1.15;letter-spacing:-.025em}h1{margin-block:0 1.5rem;font-size:clamp(2.75rem,8vw,6rem);font-weight:300}h2{margin-block:0 1.25rem;font-size:clamp(2rem,5vw,3.75rem);font-weight:350}h3{font-size:clamp(1.25rem,2.5vw,1.65rem)}code,pre{font-family:SFMono-Regular,Consolas,Liberation Mono,monospace}code:not(pre code){padding:.1em .35em;border-radius:.2rem;background:#e7ebf0;color:#11151a}.content-width{width:min(100% - 2rem,var(--content-width));margin-inline:auto}.dark-band{background:var(--surface-dark);color:var(--text-on-dark)}.light-band{background:var(--surface-light);color:var(--text-on-light)}.blue-band{background:var(--blue);color:#fff}.eyebrow{margin-block:0 .75rem;color:var(--focus);font-size:.83rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.blue-band .eyebrow{color:#fff}.blue-text{color:var(--blue-active)}.lead{margin:0;color:var(--muted-on-dark);font-size:clamp(1.12rem,2.5vw,1.4rem);line-height:1.65}.primary-button,.secondary-button{display:inline-flex;min-height:3rem;align-items:center;justify-content:center;padding:.72rem 1.4rem;border:2px solid transparent;border-radius:999px;font:inherit;font-weight:850;line-height:1.25;text-align:center;text-decoration:none;cursor:pointer;transition:background-color .15s ease,color .15s ease,transform .15s ease}.primary-button{background:var(--blue);color:#fff}.primary-button:hover{background:var(--blue-hover);transform:translateY(-1px)}.secondary-button{border-color:var(--blue-active);background:transparent;color:var(--blue-active)}.secondary-button:hover{background:#e4f2ff}[id]{scroll-margin-top:7.5rem}.anchor-alias{display:block;width:0;height:0;overflow:hidden}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media(max-width:680px){[id]{scroll-margin-top:8.5rem}}