* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% 38%, rgba(220, 236, 255, .95) 0, rgba(238, 246, 255, .72) 23%, rgba(255,255,255,.96) 55%),
    #fff;
}

.page {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 240px 20px 70px;
}

.card {
  width: min(620px, 100%);
  text-align: center;
}

.icon-wrap {
  width: 240px;
  height: 240px;
  margin: 0 auto 80px;
  border-radius: 50%;
  background: rgba(255,255,255,.98);
  display: flex;
  align-items: center;
  justify-content: center;
}

.shield {
  width: 125px;
  height: 145px;
  filter: drop-shadow(0 12px 12px rgba(71, 204, 50, .18));
}

h1 {
  margin: 0;
  font-size: clamp(32px, 4vw, 42px);
  line-height: 1.35;
  font-weight: 500;
  color: #050505;
}

.subtitle {
  margin: 10px 0 78px;
  font-size: clamp(23px, 3vw, 30px);
  color: #777;
  font-weight: 400;
}

.enter-btn {
  width: min(400px, 92%);
  height: 80px;
  border: 0;
  border-radius: 10px;
  background: #247cf0;
  color: #fff;
  font-size: 25px;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(36, 124, 240, .18);
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}

.enter-btn:hover {
  background: #176fe4;
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(36, 124, 240, .24);
}

.enter-btn:active {
  transform: translateY(0);
}

.service-link {
  display: block !important;
  position: relative;
  clear: both;
  width: fit-content;
  margin: 35px auto 0 !important;
  color: #1677ff;
  font-size: 25px;
  text-decoration: underline;
  text-underline-offset: 8px;
  text-align: center;
}

@media (max-width: 600px) {
  .page {
    padding-top: 140px;
  }

  .icon-wrap {
    width: 190px;
    height: 190px;
    margin-bottom: 55px;
  }

  .shield {
    width: 105px;
    height: 125px;
  }

  .subtitle {
    margin-bottom: 50px;
  }

  .enter-btn {
    height: 64px;
    font-size: 20px;
  }

  .service-link {
    display: block !important;
  margin: 35px auto 0 !important;
  font-size: 21px;
}
}