:root {
  --bg: #0f1419;
  --surface: #1a1f26;
  --border: #2a2f36;
  --text-primary: #ffffff;
  --text-secondary: #a0a6b0;
  --text-tertiary: #6b7280;
  --accent: #d4ff00;
  --accent-soft: rgba(212, 255, 0, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC",
    "Noto Sans TC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.site-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.site-header .brand {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.5px;
}

.site-header .accent-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.site-header nav {
  margin-left: auto;
  display: flex;
  gap: 18px;
}

.site-header nav a {
  font-size: 14px;
  color: var(--text-secondary);
}

.site-header nav a.active,
.site-header nav a:hover {
  color: var(--text-primary);
  text-decoration: none;
}

h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.3px;
  margin: 8px 0 8px;
  line-height: 1.25;
}

h2 {
  font-size: 20px;
  font-weight: 800;
  margin: 40px 0 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  line-height: 1.4;
}

h2:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 32px;
}

h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 24px 0 8px;
  color: var(--text-primary);
}

p {
  margin: 12px 0;
  color: var(--text-secondary);
}

ul {
  padding-left: 22px;
  color: var(--text-secondary);
}

li {
  margin: 6px 0;
}

.meta {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 24px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
  background: var(--surface);
  border-radius: 8px;
  overflow: hidden;
}

th,
td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: rgba(255, 255, 255, 0.03);
  font-weight: 700;
  color: var(--text-primary);
}

td {
  color: var(--text-secondary);
}

tr:last-child td {
  border-bottom: none;
}

.contact {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 24px 0;
}

.contact strong {
  color: var(--text-primary);
}

.hero {
  text-align: center;
  padding: 60px 20px 40px;
}

.hero .tag {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 44px;
  margin-bottom: 12px;
}

.hero .lead {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 32px;
}

.hero .accent-line {
  width: 48px;
  height: 3px;
  background: var(--accent);
  margin: 0 auto 32px;
  border-radius: 2px;
}

.cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-row a {
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
}

.cta-row a.primary {
  background: var(--accent);
  color: #000;
}

.cta-row a.secondary {
  background: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.cta-row a:hover {
  text-decoration: none;
  filter: brightness(1.1);
}

footer {
  border-top: 1px solid var(--border);
  padding: 24px 20px;
  text-align: center;
  font-size: 13px;
  color: var(--text-tertiary);
}

footer a {
  color: var(--text-secondary);
  margin: 0 8px;
}

@media (max-width: 600px) {
  .container {
    padding: 24px 18px 60px;
  }

  h1 {
    font-size: 26px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero .lead {
    font-size: 16px;
  }

  h2 {
    font-size: 18px;
  }

  table {
    font-size: 13px;
  }

  th,
  td {
    padding: 10px 12px;
  }
}