:root {
  color: #172c27;
  background: #f5f5ef;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

body { margin: 0; }

.page {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
  min-height: 100svh;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 6vw, 5rem);
}

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  border-bottom: 1px solid #d6ddd4;
}

.masthead a,
.masthead img { display: block; }

.masthead a:focus-visible {
  outline: 2px solid #00805c;
  outline-offset: 4px;
  border-radius: 8px;
}

.status {
  display: flex;
  align-items: center;
  gap: .55rem;
  color: #37564b;
  font-size: .875rem;
}

.status::before {
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: #00805c;
  content: "";
}

main {
  align-self: center;
  padding: clamp(4rem, 12vh, 8rem) 0;
  text-align: center;
}

h1 { margin: 0; }

h1 img {
  display: block;
  width: min(100%, 35rem);
  height: auto;
  margin: 0 auto;
}

main p {
  margin: clamp(1.15rem, 3vw, 2rem) 0 0;
  color: #37564b;
  font-size: clamp(.9375rem, 2vw, 1.125rem);
  line-height: 1.7;
}

footer {
  border-top: 1px solid #d6ddd4;
  padding: 1.25rem 0 1.5rem;
  color: #52665d;
  font-size: .8125rem;
}