:root{
  color-scheme:light;
  --bg:#f4f7fb;
  --paper:#ffffff;
  --text:#10233f;
  --muted:#5e6f86;
  --line:#d9e2ef;
  --accent:#315bd6;
  --soft:#eef3ff;
}
*{box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;line-height:1.85}
a{color:var(--accent);text-underline-offset:3px}
.site-header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}
.header-inner{max-width:920px;margin:auto;padding:18px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{font-size:18px;font-weight:800;color:var(--text);text-decoration:none}
.nav{display:flex;gap:14px;flex-wrap:wrap;font-size:14px}
.nav a{text-decoration:none;font-weight:700}
.document{max-width:920px;margin:32px auto;padding:44px 52px;background:var(--paper);border:1px solid var(--line);border-radius:22px;box-shadow:0 18px 50px rgba(41,61,89,.08)}
h1{margin:0 0 8px;font-size:clamp(28px,5vw,42px);line-height:1.3;letter-spacing:-.02em}
.lead{margin:0;color:var(--muted)}
.meta{display:inline-block;margin:18px 0 8px;padding:6px 12px;border-radius:999px;background:var(--soft);color:var(--accent);font-size:13px;font-weight:800}
h2{margin:38px 0 12px;padding-top:8px;border-top:1px solid var(--line);font-size:22px;line-height:1.45}
h3{margin:24px 0 8px;font-size:17px}
p{margin:10px 0}
ul,ol{margin:10px 0;padding-left:1.5em}
li+li{margin-top:5px}
.notice{margin:20px 0;padding:15px 17px;border-left:4px solid var(--accent);border-radius:10px;background:var(--soft)}
.contact{padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:#f9fbff}
.site-footer{max-width:920px;margin:0 auto;padding:0 24px 34px;text-align:center;color:var(--muted);font-size:13px}
@media(max-width:700px){.header-inner{align-items:flex-start;flex-direction:column}.document{margin:16px 12px;padding:28px 20px;border-radius:16px}h2{margin-top:30px}}