:root {
  color-scheme: light;
  --ink: #152235;
  --muted: #596579;
  --paper: #f7f9fc;
  --card: #ffffff;
  --line: #dce3ee;
  --blue: #1e5aa8;
  --blue-dark: #153f77;
  --cyan: #35c4d8;
  --amber: #fff3d6;
  --amber-line: #e7b94f;
  --shadow: 0 20px 55px rgba(21, 34, 53, .10);
  font-family: Inter, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-size: 16px; line-height: 1.75; }
a { color: var(--blue-dark); text-underline-offset: .2em; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
.shell { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header { background: rgba(247, 249, 252, .94); border-bottom: 1px solid var(--line); }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); font-weight: 900; text-decoration: none; letter-spacing: .02em; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 11px; background: var(--blue); color: white; box-shadow: inset -7px -7px 0 rgba(53,196,216,.35); }
.nav-links { display: flex; flex-wrap: wrap; gap: 18px; font-weight: 700; font-size: .92rem; }
.nav-links a { text-decoration: none; }
.hero { padding: 64px 0 34px; display: grid; grid-template-columns: 1.25fr .75fr; gap: 44px; align-items: center; }
.eyebrow { margin: 0 0 12px; color: var(--blue); font-weight: 900; letter-spacing: .13em; text-transform: uppercase; font-size: .82rem; }
h1 { max-width: 760px; margin: 0; font-size: clamp(2.45rem, 7vw, 5rem); line-height: 1.02; letter-spacing: -.05em; }
.lead { max-width: 720px; margin: 24px 0 0; font-size: 1.13rem; color: var(--muted); }
.status-card { border-radius: 28px; background: var(--ink); color: white; padding: 28px; box-shadow: var(--shadow); }
.status-card strong { display: block; font-size: 1.35rem; }
.status-card p { color: #dce9fa; margin-bottom: 0; }
.status-pill { display: inline-flex; align-items: center; gap: 9px; border-radius: 999px; background: rgba(255,255,255,.10); padding: 6px 12px; font-weight: 800; font-size: .83rem; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: #f7c959; }
.section { padding: 42px 0; }
.section h2 { margin: 0 0 12px; font-size: clamp(1.65rem, 3vw, 2.25rem); line-height: 1.2; }
.section-intro { max-width: 760px; margin: 0 0 26px; color: var(--muted); }
.amounts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.amount-card { border: 1px solid var(--line); border-radius: 24px; background: var(--card); padding: 24px; box-shadow: 0 12px 30px rgba(21,34,53,.06); }
.amount { display: block; margin-bottom: 18px; color: var(--blue-dark); font-size: 2rem; font-weight: 900; }
.disabled-action { width: 100%; min-height: 48px; border: 1px solid #aab5c5; border-radius: 14px; background: #e8edf4; color: #5b6677; font: inherit; font-weight: 900; cursor: not-allowed; }
.notice { border: 1px solid var(--amber-line); border-radius: 22px; background: var(--amber); padding: 20px 22px; }
.notice strong { display: block; margin-bottom: 4px; }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.info-card { border-top: 4px solid var(--cyan); border-radius: 18px; background: var(--card); padding: 24px; box-shadow: 0 12px 30px rgba(21,34,53,.06); }
.info-card h3 { margin: 0 0 8px; }
.info-card p, .info-card ul { margin: 0; color: var(--muted); }
.info-card ul { padding-left: 1.25rem; }
.compact { max-width: 760px; }
.footer { margin-top: 40px; border-top: 1px solid var(--line); padding: 28px 0 44px; color: var(--muted); font-size: .92rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.plain-main { padding: 54px 0; }
.plain-main h1 { font-size: clamp(2.2rem, 6vw, 4rem); }
.plain-card { max-width: 820px; margin-top: 28px; border: 1px solid var(--line); border-radius: 24px; background: white; padding: clamp(22px, 5vw, 42px); box-shadow: var(--shadow); }

@media (max-width: 760px) {
  .nav { align-items: flex-start; padding: 16px 0; flex-direction: column; gap: 10px; }
  .hero { grid-template-columns: 1fr; padding-top: 42px; gap: 26px; }
  .amounts, .grid { grid-template-columns: 1fr; }
  h1 { font-size: clamp(2.35rem, 13vw, 4rem); }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }