/* Larch public-page palette, typography and controls match education-plan.css. */
:root{color-scheme:light;--paper:#fff;--canvas:#f6f5f2;--soft:#eeece7;--ink:#1d1d1b;--muted:#62615d;--line:#76736b;--link:#3542b4}
:root[data-theme=dark]{color-scheme:dark;--paper:#121210;--canvas:#1a1916;--soft:#24221e;--ink:#f3f1eb;--muted:#b5b1a7;--line:#969186;--link:#b8beff}
*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font-family:Inter,"SF Pro Display","Noto Sans TC","Microsoft JhengHei",sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:var(--link);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:active{color:var(--ink)}:where(a,button):focus-visible{outline:3px solid var(--link);outline-offset:4px;border-radius:4px}
header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px max(20px,calc((100% - 1000px)/2));border-bottom:1px solid var(--line);background:var(--paper);color:var(--ink)}.brand{font-size:17px;font-weight:850;letter-spacing:.14em;color:var(--ink);text-decoration:none}nav{display:flex;align-items:center;gap:16px;flex-wrap:wrap}nav a{font-size:14px}nav a[aria-current=page]{font-weight:750;text-decoration-thickness:2px}button{font:inherit;font-size:13px;padding:7px 12px;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);cursor:pointer}button:hover{background:var(--soft);color:var(--ink)}button:active{transform:scale(.97);background:var(--soft);color:var(--ink)}button[aria-pressed=true]{border-color:var(--link);color:var(--link)}main{max-width:800px;margin:auto;padding:60px 24px 72px}.eyebrow{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--muted)}h1{font-size:clamp(30px,5vw,44px);line-height:1.25;margin:14px 0 20px;letter-spacing:-.03em}h2{font-size:21px;line-height:1.5;margin:0 0 10px}p{margin:0 0 14px}.lead{font-size:18px;color:var(--muted)}section{padding:28px 0;border-bottom:1px solid var(--line)}ul,ol{padding-left:24px;margin:12px 0}li{margin:8px 0}.contact{display:inline-block;margin-top:8px;font-weight:700;overflow-wrap:anywhere}.note{font-size:14px;color:var(--muted)}footer{max-width:800px;margin:0 auto;padding:0 24px 40px;color:var(--muted);font-size:13px}footer a{margin-right:16px}.skip{position:absolute;left:16px;top:-100px;padding:10px;background:var(--paper);color:var(--ink);z-index:2}.skip:focus{top:10px}@media(max-width:620px){header{align-items:flex-start;flex-direction:column;gap:12px}nav{gap:14px}main{padding-top:36px}}