:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: #222;
  background: #fff;
}

* { box-sizing: border-box; }
html { font-size: 16px; }
body { margin: 0; background: #fff; }
body.protocol-safe-area { --protocol-safe-top: 40px; }
body.protocol-safe-area.has-protocol-navigation { padding-top: calc(var(--protocol-navigation-height) + var(--protocol-safe-top)) !important; }
body.protocol-safe-area .protocol-navigation {
  top: 0;
  height: calc(var(--protocol-navigation-height) + var(--protocol-safe-top));
  padding-top: var(--protocol-safe-top);
}
a { color: #3159d8; overflow-wrap: anywhere; }
.protocol { width: min(100%, 880px); margin: 0 auto; padding: 24px 18px 48px; }
.protocol h1 { margin: 0 0 8px; font-size: 25px; line-height: 1.35; text-align: center; }
.protocol .meta { margin: 0 0 24px; color: #666; font-size: 13px; line-height: 1.7; text-align: center; }
.protocol .notice { margin: 18px 0; padding: 14px 16px; border-left: 4px solid #ff6d79; border-radius: 4px; background: #fff4f5; }
.protocol h2 { margin: 30px 0 12px; font-size: 19px; line-height: 1.45; }
.protocol h3 { margin: 22px 0 10px; font-size: 16px; line-height: 1.45; }
.protocol p, .protocol li { font-size: 15px; line-height: 1.85; text-align: justify; }
.protocol p { margin: 10px 0; }
.protocol ul, .protocol ol { margin: 8px 0; padding-left: 24px; }
.protocol strong { font-weight: 650; }
.protocol table { width: 100%; margin: 14px 0 22px; border-collapse: collapse; table-layout: fixed; }
.protocol th, .protocol td { padding: 10px 9px; border: 1px solid #dcdcdc; font-size: 13px; line-height: 1.65; text-align: left; vertical-align: top; overflow-wrap: anywhere; }
.protocol th { background: #f5f5f7; font-weight: 650; }
.protocol .table-scroll { width: 100%; overflow-x: auto; }
.protocol .table-scroll table { min-width: 760px; }
.protocol .links { display: grid; gap: 10px; margin: 18px 0; }
.protocol .links a { display: block; padding: 12px 14px; border: 1px solid #e5e5e5; border-radius: 8px; color: #222; text-decoration: none; background: #fafafa; }
.protocol .footer { margin-top: 34px; padding-top: 18px; border-top: 1px solid #eee; color: #555; }

@media (max-width: 520px) {
  .protocol { padding: 20px 15px 40px; }
  .protocol h1 { font-size: 22px; }
  .protocol p, .protocol li { font-size: 14px; }
}