:root{--bg: #f7f8fa;--bg-raised: #ffffff;--bg-sunken: #eef0f4;--border: #dfe3ea;--border-strong: #c6ccd8;--text: #16202e;--text-muted: #5a6577;--text-faint: #808b9c;--accent: #1f4f82;--accent-hover: #173d66;--accent-contrast: #ffffff;--accent-soft: #e6eef7;--badge-bg: #eef1f6;--badge-text: #40506a;--shadow-sm: 0 1px 2px rgb(16 26 40 / 6%), 0 1px 3px rgb(16 26 40 / 5%);--shadow-md: 0 4px 12px rgb(16 26 40 / 8%), 0 2px 4px rgb(16 26 40 / 5%);--radius: 10px;--radius-sm: 6px;--maxw: 1080px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace}[data-theme=dark]{--bg: #0f1620;--bg-raised: #16202c;--bg-sunken: #0b1119;--border: #26333f;--border-strong: #3a4a5a;--text: #e7edf4;--text-muted: #9fb0c2;--text-faint: #7b8b9d;--accent: #6aa9e0;--accent-hover: #8bbdea;--accent-contrast: #0b1119;--accent-soft: #17293c;--badge-bg: #1c2836;--badge-text: #a9bccf;--shadow-sm: 0 1px 2px rgb(0 0 0 / 40%);--shadow-md: 0 4px 14px rgb(0 0 0 / 45%)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:5rem}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{line-height:1.25;margin:0 0 .5rem;font-weight:650;letter-spacing:-.011em}h1{font-size:clamp(2rem,5vw,2.85rem)}h2{font-size:clamp(1.35rem,3vw,1.7rem)}h3{font-size:1.1rem}p{margin:0 0 1rem}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}code,pre{font-family:var(--font-mono);font-size:.875em}ul{margin:0;padding-left:1.15rem}img{max-width:100%;height:auto}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}.section{padding:3.25rem 0;border-top:1px solid var(--border)}.section__title{display:flex;align-items:baseline;gap:.75rem;margin-bottom:1.75rem}.section__title h2{margin:0}.section__note{color:var(--text-muted);font-size:.9rem}.badges{display:flex;flex-wrap:wrap;gap:.4rem;list-style:none;margin:0;padding:0}.badge{background:var(--badge-bg);color:var(--badge-text);border-radius:999px;padding:.2rem .65rem;font-size:.78rem;white-space:nowrap}.btn{display:inline-flex;align-items:center;gap:.45rem;border:1px solid var(--border-strong);background:var(--bg-raised);color:var(--text);border-radius:var(--radius-sm);padding:.5rem .95rem;font-size:.9rem;font-weight:550;cursor:pointer;transition:background .15s ease,border-color .15s ease}.btn:hover{text-decoration:none;border-color:var(--accent);background:var(--accent-soft)}.btn--primary{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast)}.btn--primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:var(--accent-contrast)}.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--accent);color:var(--accent-contrast);padding:.6rem 1rem;border-radius:0 0 var(--radius-sm) 0}.skip-link:focus{left:0}