:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #16181d;
  background: #f4f6f8;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

body {
  margin: 0;
  min-width: 320px;
  line-height: 1.7;
}

a {
  color: #0066cc;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid #dfe3e8;
  background: rgba(255, 255, 255, 0.96);
}

.header-inner,
.page,
.footer-inner {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
}

.header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #16181d;
  text-decoration: none;
  font-weight: 700;
}

.brand img {
  width: 148px;
  height: 32px;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  white-space: nowrap;
}

.nav a {
  color: #4d5662;
  text-decoration: none;
  font-size: 14px;
}

.nav a[aria-current="page"] {
  color: #0066cc;
  font-weight: 650;
}

.page {
  padding: 56px 0 72px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #0066cc;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.3;
}

h1 {
  margin-bottom: 12px;
  font-size: 40px;
}

h2 {
  margin: 42px 0 12px;
  padding-top: 6px;
  border-top: 1px solid #dfe3e8;
  font-size: 23px;
}

h3 {
  margin: 24px 0 8px;
  font-size: 17px;
}

p,
ul,
ol {
  margin-top: 0;
  margin-bottom: 14px;
}

ul,
ol {
  padding-left: 24px;
}

.lead {
  max-width: 760px;
  color: #4d5662;
  font-size: 18px;
}

.meta {
  margin: 22px 0 34px;
  color: #68717d;
  font-size: 14px;
}

.notice {
  margin: 26px 0;
  padding: 18px 20px;
  border-left: 4px solid #00a36c;
  background: #ffffff;
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin: 30px 0 42px;
  border: 1px solid #dfe3e8;
  background: #dfe3e8;
}

.quick-links a {
  min-height: 112px;
  padding: 22px;
  background: #ffffff;
  color: #16181d;
  text-decoration: none;
}

.quick-links strong,
.quick-links span {
  display: block;
}

.quick-links span {
  margin-top: 4px;
  color: #68717d;
  font-size: 14px;
}

.contact {
  margin-top: 30px;
  padding: 24px;
  border: 1px solid #dfe3e8;
  background: #ffffff;
}

.contact h2 {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.english {
  margin-top: 72px;
  padding-top: 54px;
  border-top: 3px solid #16181d;
}

.site-footer {
  border-top: 1px solid #dfe3e8;
  background: #ffffff;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 0;
  color: #68717d;
  font-size: 13px;
}

@media (max-width: 640px) {
  .header-inner,
  .page,
  .footer-inner {
    width: min(100% - 28px, 920px);
  }

  .header-inner {
    min-height: 62px;
  }

  .brand img {
    width: 112px;
    height: 28px;
  }

  .nav {
    gap: 14px;
  }

  .nav a {
    font-size: 13px;
  }

  .page {
    padding: 38px 0 52px;
  }

  h1 {
    font-size: 32px;
  }

  .quick-links {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
  }
}