:root {
  --bg: #f6f4ef; --panel: #ffffff; --ink: #1c1b19; --muted: #6b675f; --line: #e4e0d6;
  --accent: #d9902b; --accent-ink: #1c1b19; --ok: #2e8b57; --err: #c0392b;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #121315; --panel: #1b1d20; --ink: #ecebe7; --muted: #9a978f; --line: #2b2e33;
    --accent: #f0b14a; --accent-ink: #17181a; --ok: #5cc28a; --err: #ef6b5b; color-scheme: dark; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); min-height: 100vh; display: flex; flex-direction: column;
  font: 15px/1.6 system-ui, -apple-system, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif; }
a { color: inherit; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 24px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .02em; text-decoration: none; font-size: 17px; }
.mark { width: 30px; height: 30px; border-radius: 9px; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-weight: 800; }
.nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 14px; }
.nav a { text-decoration: none; color: var(--muted); }
.nav a:hover { color: var(--ink); }
.nav form { margin: 0; }
.who { color: var(--ink); }
.who em { font-style: normal; font-size: 12px; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; margin-left: 6px; }
button.link { background: none; border: 0; color: var(--muted); cursor: pointer; font: inherit; padding: 0; }
button.link:hover { color: var(--ink); }
.btn-sm { border: 1px solid var(--line); border-radius: 999px; padding: 4px 14px; color: var(--ink) !important; }

.wrap { width: 100%; max-width: 1040px; margin: 0 auto; padding: 32px 24px 56px; flex: 1; }
.narrow { width: 100%; max-width: 420px; margin: 0 auto; padding: 48px 16px; flex: 1; }
.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 20px; border-top: 1px solid var(--line); }

.hero { padding: 40px 0 36px; }
.eyebrow { color: var(--accent); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; font-size: 12px; margin: 0 0 12px; }
.hero h1 { font-size: clamp(28px, 5vw, 46px); line-height: 1.2; margin: 0 0 16px; letter-spacing: -.01em; }
.lead { color: var(--muted); font-size: 17px; max-width: 560px; margin: 0; }
.cta { display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap; }

.btn { display: inline-block; background: var(--accent); color: var(--accent-ink); border: 1px solid var(--accent); border-radius: 10px;
  padding: 10px 20px; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.btn:hover { filter: brightness(1.05); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.danger { background: transparent; color: var(--err); border-color: var(--line); }
.btn.sm { padding: 5px 12px; font-size: 13px; }
.btn.wide { width: 100%; }

.section-title { font-size: 14px; color: var(--muted); font-weight: 600; letter-spacing: .06em; margin: 24px 0 12px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.card { display: grid; gap: 6px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 20px; text-decoration: none; transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card .icon { font-size: 28px; }
.card b { font-size: 17px; }
.card span { color: var(--muted); font-size: 14px; }
.card .go { color: var(--accent); font-weight: 600; margin-top: 6px; }

.notice { background: color-mix(in srgb, var(--accent) 14%, var(--panel)); border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--line));
  border-radius: 12px; padding: 12px 16px; margin: 8px 0 20px; }
.notice.strong { font-weight: 600; word-break: break-all; }
.flash { max-width: 1040px; width: 100%; margin: 12px auto 0; padding: 0 24px; }
.flash p { margin: 0 0 6px; padding: 10px 14px; border-radius: 10px; background: var(--panel); border: 1px solid var(--line); }
.flash .error { color: var(--err); }
.flash .success { color: var(--ok); }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 20px; margin-bottom: 18px; }
.panel h1 { margin: 0 0 12px; font-size: 22px; }
.panel h2 { margin: 0 0 12px; font-size: 17px; }
.panel h3 { margin: 18px 0 6px; font-size: 15px; }
.page-title { font-size: 24px; margin: 0 0 18px; }
.count { background: var(--accent); color: var(--accent-ink); border-radius: 999px; font-size: 12px; padding: 0 8px; vertical-align: middle; }
.form label { display: grid; gap: 4px; margin-bottom: 12px; font-size: 14px; color: var(--muted); }
input, select, textarea { font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
.err { color: var(--err); font-size: 13px; margin: 0 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.hp { position: absolute; left: -9999px; }

.row { display: flex; align-items: center; gap: 8px; padding: 10px 0; border-top: 1px solid var(--line); flex-wrap: wrap; }
.row:first-of-type { border-top: 0; }
.row .grow { flex: 1; min-width: 180px; }
.row form { margin: 0; }
.row select { width: auto; padding: 5px 10px; }
.row.locked { opacity: .75; }
.note { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.create { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.create input { flex: 1; min-width: 140px; }
.create select { width: auto; }

@media (max-width: 600px) {
  .top { padding: 12px 16px; }
  .wrap { padding: 20px 16px 40px; }
  .hero { padding: 20px 0; }
}