/* Hormozi 框架庫：淺色固定、單一強調色 #F5C518、圓角一律 12px */
:root{
  color-scheme:light;
  --bg:#FAFAF9; --surface:#FFFFFF; --ink:#1F2937; --muted:#52525B; --faint:#71717A;
  --line:#E4E4E7; --accent:#F5C518; --accent-soft:#FEF6D8; --accent-ink:#7A5A00;
  --r:12px;
  --font:"PingFang TC","Microsoft JhengHei","Noto Sans TC","Heiti TC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{color-scheme:light;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 var(--font);
  line-break:strict;text-wrap:pretty;overflow-wrap:anywhere}
a{color:inherit}
h1,h2,h3{line-height:1.35;text-wrap:balance;margin:0}
button,input{font:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* 等待中的按鈕：轉圈＋停用 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;
  border:0;border-radius:var(--r);background:var(--ink);color:#fff;font-weight:700;cursor:pointer}
.btn:active{transform:translateY(1px)}
.btn[aria-busy="true"]{opacity:.85;pointer-events:none}
.btn[aria-busy="true"]::before{content:"";width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(255,255,255,.35);border-top-color:#fff;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}