/* 子頁共用樣式（2026-11-15 跟首頁同一套：深色底、細邊框、橘色只當重點色） */
:root {
  color-scheme: dark;
  --bg: #0A0D0F; --panel: #0F0F17; --line: #21212F; --line-2: #2C2C3D;
  --ink: #F4F2EF; --ink-2: #B3B3B3; --ink-3: #8B8B9C; --orange: #EF6719; --link: #FF9A5C;
  --f-text: "Inter", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --f-display: "Noto Sans TC", "Inter", "PingFang TC", "Microsoft JhengHei", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--f-text); line-height: 1.75; -webkit-font-smoothing: antialiased; }
.wrap { max-width: 1120px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
@media (min-width: 700px) { .wrap { padding-left: max(32px, env(safe-area-inset-left, 0px)); padding-right: max(32px, env(safe-area-inset-right, 0px)); } }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; border-radius: 8px; }
.site-head { position: sticky; top: 0; z-index: 10; background: rgba(10,13,15,.86); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); }
.site-head .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 28px; min-height: 64px; padding-block: 10px; }
.logo { display: flex; align-items: baseline; gap: 8px; text-decoration: none; white-space: nowrap; }
.logo b { font: 700 22px/1 var(--f-text); color: var(--orange); letter-spacing: -.01em; }
.logo span { font: 500 13px/1 var(--f-display); color: var(--ink-3); letter-spacing: .04em; }
.site-head nav { display: flex; flex-wrap: wrap; gap: 4px 22px; margin-left: auto; }
.site-head nav a { color: var(--ink-2); text-decoration: none; font-size: 14px; font-weight: 500; }
.site-head nav a:hover, .site-head nav a[aria-current="page"] { color: var(--ink); }
.site-head nav a[aria-current="page"] { box-shadow: 0 2px 0 var(--orange); }
main.doc { max-width: 760px; margin: 0 auto; padding: 48px max(16px, env(safe-area-inset-right, 0px)) 72px max(16px, env(safe-area-inset-left, 0px)); }
h1 { font-family: var(--f-display); font-weight: 500; font-size: clamp(28px, 4vw, 38px); line-height: 1.25; letter-spacing: -.01em; margin: 0 0 20px; text-wrap: balance; }
h2 { font-family: var(--f-display); font-size: 21px; font-weight: 600; margin: 44px 0 10px; color: var(--ink); padding-top: 20px; border-top: 1px solid var(--line); }
h3 { font-size: 17px; margin: 26px 0 8px; }
p, li { color: var(--ink-2); }
strong { color: var(--ink); }
a { color: var(--link); text-underline-offset: 3px; }
ul, ol { padding-left: 22px; }
li { margin-bottom: 6px; }
.note { color: var(--ink-3); font-size: 14px; border-left: 2px solid var(--line-2); padding: 2px 0 2px 14px; margin: 12px 0; }
.draft { background: rgba(239,159,40,.08); color: #F5C46B; border: 1px solid rgba(239,159,40,.35); border-radius: 12px; padding: 12px 16px; margin: 0 0 24px; font-weight: 600; font-size: 15px; }
.table { overflow-x: auto; margin: 16px 0; border: 1px solid var(--line); border-radius: 12px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { border-bottom: 1px solid var(--line); padding: 10px 14px; text-align: left; vertical-align: top; color: var(--ink-2); }
tr:last-child td { border-bottom: 0; }
th { background: var(--panel); color: var(--ink); font-weight: 600; }
code { background: var(--panel); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; font-size: .92em; }
.cta { display: inline-flex; align-items: center; height: 44px; background: var(--orange); color: #140802; padding: 0 20px; border-radius: 22px; text-decoration: none; font-weight: 600; }
.site-foot { border-top: 1px solid var(--line); padding-block: 28px calc(28px + env(safe-area-inset-bottom, 0px)); }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: center; font-size: 13.5px; color: var(--ink-3); }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 6px 20px; margin-left: auto; }
.site-foot nav a { color: var(--ink-2); text-decoration: none; }
.site-foot nav a:hover { color: var(--ink); }