html {
  font-size: 23px;
  -webkit-text-size-adjust: 100%;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.4rem;
  background: #fbf6ec;
  color: #201b15;
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  line-height: 1.8;
}

.gate {
  width: 100%;
  max-width: 30rem;
  background: #fff;
  border-radius: 22px;
  padding: 2.2rem 1.6rem;
  text-align: center;
  box-shadow: 0 2px 12px rgba(70, 45, 10, 0.07);
}

.gate-logo {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1.1rem;
  border-radius: 20px;
  background: #8a3b00;
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 1.8rem;
  font-weight: 800;
}

h1 {
  margin: 0 0 1rem;
  font-size: 1.6rem;
  line-height: 1.3;
}

.gate p {
  margin: 0.7rem 0 0;
  font-size: 1.05rem;
  color: #201b15;
}

.gate-hint {
  color: #5c5348 !important;
  font-size: 0.86rem !important;
}

.gate-icon {
  font-size: 2.6rem;
  line-height: 1;
  margin-bottom: 0.8rem;
}