* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #e2e8f0;
  background: #0f172a;
  line-height: 1.75;
}

a {
  color: #f59e0b;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 72px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0 36px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #f8fafc;
  font-weight: 700;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: linear-gradient(135deg, #fbbf24, #d97706);
  color: #0f172a;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
}

.hero {
  padding: 34px 0 24px;
  border-bottom: 1px solid #334155;
}

.eyebrow {
  color: #fbbf24;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  margin: 8px 0 12px;
  color: #f8fafc;
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.15;
  letter-spacing: 0;
}

.summary {
  max-width: 760px;
  color: #cbd5e1;
  font-size: 17px;
}

.meta {
  margin-top: 18px;
  color: #94a3b8;
  font-size: 14px;
}

main {
  padding-top: 30px;
}

section {
  padding: 18px 0;
  border-bottom: 1px solid rgba(51, 65, 85, 0.7);
}

h2 {
  margin: 0 0 10px;
  color: #f8fafc;
  font-size: 23px;
  letter-spacing: 0;
}

h3 {
  margin: 18px 0 8px;
  color: #f8fafc;
  font-size: 18px;
  letter-spacing: 0;
}

p {
  margin: 8px 0;
}

ul,
ol {
  padding-left: 22px;
}

li {
  margin: 8px 0;
}

.notice {
  margin: 24px 0;
  padding: 16px 18px;
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: 8px;
  background: rgba(245, 158, 11, 0.08);
  color: #fde68a;
}

.footer {
  padding-top: 28px;
  color: #94a3b8;
  font-size: 14px;
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .page {
    width: min(100% - 24px, 960px);
    padding-top: 24px;
  }
}