:root {
  --ink: #f5f5f4;
  --muted: #a3a3a3;
  --accent: #facc15;
  --bg: #0a0a0a;
  --alt: #171717;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "Noto Sans TC", sans-serif; color: var(--ink); background: var(--bg); line-height: 1.7; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

.site-header { position: sticky; top: 0; background: rgba(10,10,10,.9); backdrop-filter: blur(8px); border-bottom: 1px solid #262626; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 900; font-size: 1.25rem; color: var(--accent); text-decoration: none; }
.site-header nav { display: flex; gap: 24px; }
.site-header nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
.site-header nav a:hover { color: var(--accent); }

.hero { background: radial-gradient(1200px 600px at 70% -10%, #1f1a05, var(--bg)); color: #fff; padding: 90px 0 70px; }
.tagline { color: var(--accent); font-weight: 700; letter-spacing: .2em; margin-bottom: 12px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 900; line-height: 1.3; }
.hero-sub { color: var(--muted); margin-top: 16px; white-space: normal; }
.btn { display: inline-block; margin-top: 28px; padding: 12px 32px; background: var(--accent); color: #0a0a0a; border-radius: 8px; text-decoration: none; font-weight: 700; }
.btn:hover { background: #eab308; }
.stats { display: flex; gap: 48px; margin-top: 48px; flex-wrap: wrap; }
.stat-value { display: block; font-size: 2rem; font-weight: 900; color: var(--accent); }
.stat-label { color: var(--muted); font-size: .9rem; }

.section { padding: 72px 0; }
.section.alt { background: var(--alt); }
.section h2 { font-size: 1.9rem; font-weight: 900; text-align: center; }
.section h2::after { content: ""; display: block; width: 48px; height: 3px; background: var(--accent); margin: 12px auto 0; }
.section-sub { color: var(--muted); text-align: center; margin: 8px 0 40px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.card { background: #141414; border: 1px solid #262626; border-radius: 12px; padding: 24px; }
.card .icon { width: 34px; height: 34px; color: var(--accent); margin-bottom: 12px; }
.card h3 { font-size: 1.15rem; margin-bottom: 8px; color: var(--accent); }
.card p { color: var(--muted); font-size: .95rem; }

.chips { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.chip { background: #141414; border: 1px solid #262626; border-radius: 999px; padding: 10px 22px; font-weight: 700; color: var(--ink); }
.chip:hover { border-color: var(--accent); color: var(--accent); }

.about p { max-width: 760px; margin: 0 auto 16px; color: #d4d4d4; }

.site-footer { background: #000; color: var(--muted); padding: 56px 0 24px; border-top: 1px solid #262626; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 32px; }
.site-footer h3 { color: var(--accent); margin-bottom: 12px; font-size: 1.05rem; }
.site-footer a { color: var(--accent); }
.copyright { text-align: center; margin-top: 40px; font-size: .85rem; color: #525252; }

@media (max-width: 640px) {
  .header-inner nav { gap: 14px; }
  .stats { gap: 24px; }
}