/* 雀聖爭霸 — 行銷網站樣式(宮廷 深綠×金)。純靜態,無建置步驟。 */
:root {
  --bg: #0b3d2e;
  --bg-2: #082a1f;
  --bg-3: #06201808;
  --panel: #0f4838;
  --panel-2: #0c3a2c;
  --gold: #d4af37;
  --gold-soft: #e8c86a;
  --gold-deep: #b8941f;
  --cream: #f5efe0;
  --muted: rgba(245, 239, 224, 0.62);
  --line: rgba(212, 175, 55, 0.22);
  --radius: 16px;
  --maxw: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans TC", system-ui, -apple-system, "PingFang TC", "Microsoft JhengHei", sans-serif;
  color: var(--cream);
  background: radial-gradient(120% 80% at 50% -10%, #11553f 0%, var(--bg) 45%, var(--bg-2) 100%);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
h1, h2, h3, .serif { font-family: "Noto Serif TC", serif; }
a { color: var(--gold-soft); text-decoration: none; }
a:hover { color: var(--gold); }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(8, 42, 31, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; gap: 18px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: "Noto Serif TC", serif; font-weight: 900; font-size: 22px; letter-spacing: 2px; color: var(--gold-soft); }
.brand .tile { font-size: 26px; filter: drop-shadow(0 1px 2px rgba(0,0,0,.4)); }
.nav-links { margin-left: auto; display: flex; gap: 22px; font-size: 15px; }
.nav-links a { color: var(--cream); opacity: .85; }
.nav-links a:hover { opacity: 1; color: var(--gold-soft); }
@media (max-width: 680px) { .nav-links { gap: 14px; font-size: 13px; } .brand { font-size: 18px; } }

/* ---------- hero ---------- */
.hero { text-align: center; padding: 86px 0 64px; position: relative; overflow: hidden; }
.hero .tiles-row { font-size: 40px; letter-spacing: 8px; margin-bottom: 26px; opacity: .9; filter: drop-shadow(0 2px 6px rgba(0,0,0,.35)); }
.hero h1 {
  font-size: clamp(38px, 7vw, 72px); font-weight: 900; letter-spacing: 6px; line-height: 1.15;
  background: linear-gradient(180deg, #fbf2cf 0%, var(--gold) 60%, var(--gold-deep) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  text-shadow: 0 2px 20px rgba(212,175,55,.15);
}
.hero .tagline { margin-top: 18px; font-size: clamp(16px, 2.4vw, 20px); color: var(--cream); opacity: .9; font-family: "Noto Serif TC", serif; letter-spacing: 1px; }
.hero .sub { margin: 14px auto 0; max-width: 560px; color: var(--muted); font-size: 15px; }
.cta-row { margin-top: 34px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 28px; border-radius: 999px;
  font-weight: 700; font-size: 16px; letter-spacing: 1px; cursor: pointer; border: 1px solid transparent; transition: transform .15s, box-shadow .15s;
}
.btn-gold { background: linear-gradient(180deg, var(--gold-soft), var(--gold-deep)); color: #2a1d00; box-shadow: 0 8px 24px rgba(212,175,55,.28); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(212,175,55,.4); color: #2a1d00; }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--cream); }
.btn-ghost:hover { border-color: var(--gold-soft); color: var(--gold-soft); }

/* ---------- sections ---------- */
section { padding: 56px 0; }
.section-title { text-align: center; font-size: clamp(26px, 4vw, 36px); font-weight: 900; letter-spacing: 3px; color: var(--gold-soft); }
.section-sub { text-align: center; color: var(--muted); margin-top: 10px; max-width: 600px; margin-left: auto; margin-right: auto; }
.divider { width: 60px; height: 3px; margin: 18px auto 38px; background: linear-gradient(90deg, transparent, var(--gold), transparent); border-radius: 3px; }

/* feature grid */
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid.three { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 760px) { .grid.three { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .grid.three { grid-template-columns: 1fr; } }
.card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px;
}
.card .ic { font-size: 34px; margin-bottom: 12px; }
.card h3 { font-size: 19px; letter-spacing: 1px; margin-bottom: 8px; color: var(--gold-soft); }
.card p { color: var(--muted); font-size: 14.5px; }

/* pricing */
.price-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.price {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 18px; text-align: center; position: relative;
}
.price.feature { border-color: var(--gold); box-shadow: 0 10px 30px rgba(212,175,55,.18); }
.price .badge { position: absolute; top: -11px; left: 50%; transform: translateX(-50%); background: linear-gradient(180deg, var(--gold-soft), var(--gold-deep)); color: #2a1d00; font-size: 12px; font-weight: 700; padding: 3px 14px; border-radius: 999px; letter-spacing: 1px; }
.price .amt { font-size: 30px; font-weight: 900; font-family: "Noto Serif TC", serif; color: var(--cream); }
.price .unit { color: var(--muted); font-size: 13px; margin-top: 2px; }
.price .cost { margin-top: 14px; font-size: 22px; font-weight: 800; color: var(--gold-soft); }
.price .cost small { font-size: 13px; color: var(--muted); font-weight: 400; }
.price .note { color: var(--muted); font-size: 13px; margin-top: 8px; }
.price-foot { text-align: center; color: var(--muted); font-size: 13px; margin-top: 22px; }

/* sub terms / faq */
.terms-box { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; }
.terms-box ul { margin-left: 18px; color: var(--muted); font-size: 14.5px; }
.terms-box li { margin: 7px 0; }
details { background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid var(--line); border-radius: 12px; padding: 4px 20px; margin-bottom: 12px; }
details summary { cursor: pointer; padding: 14px 0; font-weight: 700; color: var(--cream); list-style: none; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "＋"; float: right; color: var(--gold-soft); }
details[open] summary::after { content: "－"; }
details p { color: var(--muted); padding: 0 0 16px; font-size: 14.5px; }

/* compliance banner */
.compliance { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.compliance .wrap { padding-top: 38px; padding-bottom: 38px; }
.compliance .tag { display: inline-block; background: rgba(212,175,55,.12); border: 1px solid var(--line); color: var(--gold-soft); border-radius: 999px; padding: 5px 16px; font-size: 13px; font-weight: 700; letter-spacing: 1px; margin-bottom: 16px; }
.compliance p { color: var(--muted); font-size: 14.5px; max-width: 760px; }
.compliance strong { color: var(--cream); }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); background: var(--bg-2); padding: 44px 0 30px; }
.footer .cols { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; }
.footer h4 { color: var(--gold-soft); font-size: 15px; letter-spacing: 2px; margin-bottom: 12px; font-family: "Noto Serif TC", serif; }
.footer a, .footer p { display: block; color: var(--muted); font-size: 14px; margin: 6px 0; }
.footer a:hover { color: var(--gold-soft); }
.footer .copyright { margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; text-align: center; }

/* ---------- legal pages ---------- */
.legal { padding: 56px 0 72px; }
.legal h1 { font-size: clamp(30px, 5vw, 44px); color: var(--gold-soft); letter-spacing: 3px; margin-bottom: 8px; }
.legal .updated { color: var(--muted); font-size: 14px; margin-bottom: 36px; }
.legal h2 { font-size: 22px; color: var(--cream); margin: 34px 0 12px; letter-spacing: 1px; padding-top: 6px; border-top: 1px solid var(--line); padding-top: 28px; }
.legal h2:first-of-type { border-top: none; padding-top: 0; }
.legal p, .legal li { color: rgba(245,239,224,.82); font-size: 15.5px; margin: 10px 0; }
.legal ul, .legal ol { margin-left: 22px; }
.legal .back { display: inline-block; margin-bottom: 28px; color: var(--gold-soft); }
.legal strong { color: var(--cream); }