@font-face {
  font-family: "Averta";
  src: url("../font/averta/AvertaStd-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Averta";
  src: url("../font/averta/AvertaStd-Semibold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Averta";
  src: url("../font/averta/AvertaStd-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
}

body {
  font-family: "Averta", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: #ffffff;
  background-color: #050a4a;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
}

#main-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 60px 20px;
  background: #050a4a url("../images/background/background.png") center top/cover no-repeat;
}
@media (max-width: 767px) {
  #main-wrapper {
    align-items: flex-start;
    padding: 50px 24px 40px;
    background-position: 30% top;
  }
}

#main-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 910px;
}

.content-lock {
  width: 255px;
  margin-bottom: 30px;
  filter: drop-shadow(0 10px 40px rgba(60, 160, 255, 0.35));
}
@media (max-width: 767px) {
  .content-lock {
    width: 196px;
    margin-bottom: 30px;
  }
}

.content-card {
  position: relative;
  width: 100%;
  padding: 32px 60px 38px;
  text-align: center;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-radius: 22px;
  overflow: hidden;
  background: radial-gradient(ellipse 55% 60% at 50% 0%, rgba(80, 200, 255, 0.55) 0%, rgba(80, 200, 255, 0) 70%), radial-gradient(ellipse 45% 70% at 90% 20%, rgba(50, 150, 255, 0.45) 0%, rgba(50, 150, 255, 0) 70%), radial-gradient(ellipse 40% 40% at 50% 75%, rgba(150, 140, 255, 0.25) 0%, rgba(150, 140, 255, 0) 70%), linear-gradient(160deg, rgba(25, 40, 200, 0.8) 0%, rgba(30, 90, 240, 0.75) 50%, rgba(20, 20, 160, 0.85) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 20px 60px rgba(0, 0, 40, 0.35);
}
@media (max-width: 767px) {
  .content-card {
    padding: 28px 24px 30px;
    border-radius: 20px;
  }
}

.content-logo {
  width: 120px;
  margin: 0 auto 14px;
}
@media (max-width: 767px) {
  .content-logo {
    width: 96px;
    margin-bottom: 14px;
  }
}

.content-title {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 26px;
}
@media (max-width: 767px) {
  .content-title {
    font-size: 22px;
    margin-bottom: 20px;
  }
}

.content-text {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.92);
}
.content-text + .content-text {
  margin-top: 28px;
}
@media (max-width: 767px) {
  .content-text {
    font-size: 15px;
    line-height: 1.75;
  }
  .content-text + .content-text {
    margin-top: 24px;
  }
}

.content-note {
  margin-top: 28px;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
}
@media (max-width: 767px) {
  .content-note {
    margin-top: 24px;
    font-size: 13px;
  }
}

.content-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 22px;
  padding: 12px 22px;
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  border: 1.5px solid rgba(255, 255, 255, 0.85);
  border-radius: 999px;
  background: #0b4fe0;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}
.content-btn:hover, .content-btn:focus-visible {
  background: #1f6bff;
  box-shadow: 0 0 20px rgba(80, 170, 255, 0.5);
}
@media (max-width: 767px) {
  .content-btn {
    display: flex;
    width: 100%;
    margin-top: 20px;
    padding: 13px 22px;
    background: linear-gradient(90deg, #0b4fe0 0%, #1f6bff 100%);
  }
}

.content-btn-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
}

.content-br-mobile {
  display: none;
}
@media (max-width: 767px) {
  .content-br-mobile {
    display: inline;
  }
}

@media (max-width: 767px) {
  .content-br-desktop {
    display: none;
  }
}

html[lang=zh] .content-title {
  font-weight: 700;
}
html[lang=zh] .content-note {
  font-size: 13px;
}
html[lang=zh] .content-btn {
  padding: 11px 22px;
}
@media (max-width: 767px) {
  html[lang=zh] .content-btn {
    display: inline-flex;
    width: auto;
    min-width: 210px;
  }
}