html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background-color: #000;
  color: #fff;
  font-size: 14px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", STHeiti, "Microsoft Yahei", Tahoma, Simsun, sans-serif;
}

body {
  background-image: url("../images/bg-pc.jpg");
  background-repeat: no-repeat;
  background-size: cover;
}

.page {
  padding: 100px 30px;
}

.page-top-logo {
  margin-bottom: 10px;
  text-align: center;
  position: relative;
}

.page-top-logo img {
  width: 100px;
  margin: 0 auto;
  display: block;
}

.page-top-logo a.language {
  color: #ffc45e;
  display: block;
  position: absolute;
  right: 20%;
  top: 0;
  z-index: 2;
  border: 1px solid #ffc45e;
  padding: 0 5px;
  border-radius: 4px;
  height: 25px;
  line-height: 25px;
  text-decoration: none;
  background-color: #333;
}

.page-top-title {
  margin-bottom: 40px;
  text-align: center;
}

.page-top-title .title-cn p {
  font-size: 28px;
  font-weight: bold;
  margin: 0;
}

.page-top-title .title-en {
  margin-top: 5px;
  font-size: 16px;
}

.page-btngroup {
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-btngroup .btn {
  margin-top: 20px;
  background-color: rgba(255, 255, 255, 0.2);
  padding: 5px 20px;
  border-radius: 200px;
}

.page-btngroup .btn:nth-child(2) {
  margin-left: 50px;
  margin-right: 50px;
}

.page-btngroup .btn a {
  display: flex;
  color: #fff;
  text-decoration: none;
}

.page-btngroup .btn:hover {
  background-color: #b98a39;
}

.page-btngroup .btn .icon {
  width: 50px;
  height: 50px;
  margin-right: 10px;
}

.page-btngroup .btn .icon img {
  display: block;
  width: 100%;
}

.page-btngroup .btn .font {
  flex: 1;
  height: 50px;
  line-height: 50px;
  display: flex;
}

.page-btngroup .btn .font .font-big {
  font-size: 20px;
  font-weight: bold;
}

.page-btngroup .btn .font .font-small {
  margin-left: 15px;
  height: 50px;
  display: flex;
  align-items: center;
  font-size: 18px;
  font-weight: bold;
}

.page-btngroup .btn .font .font-small .small-icon img {
  display: block;
  height: 10px;
  margin: 0 8px;
}

.page-foot {
  margin-top: 40px;
}

.page-foot-contact {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 30px;
}

.page-foot-contact .contact-item {
  display: flex;
  margin-bottom: 10px;
  margin-right: 40px;
}

.page-foot-contact .contact-item .item-left {
  width: 60px;
  opacity: 0.6;
}

.page-foot-contact .contact-item .item-right {
  font-weight: bold;
}

.page-foot-copyright {
  font-size: 12px;
  opacity: 0.6;
  text-align: center;
}

@media screen and (max-width: 500px) {
  body {
    background-image: url("../images/bg.jpg");
    background-size: contain;
    background-position: bottom;
  }

  .page {
    width: 360px;
    margin: 0 auto;
    padding: 20px 30px;
    box-sizing: border-box;
  }

  .page-top-logo a.language {
    right: 0;
  }

  .page-btngroup,
  .page-foot-contact {
    display: block;
  }

  .page-btngroup .btn {
    padding: 5px;
  }

  .page-btngroup .btn:nth-child(2) {
    margin-left: 0;
    margin-right: 0;
  }

  .page-btngroup .btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
  }

  .page-foot-contact .contact-item {
    margin-right: 0;
  }

  .page-foot-copyright {
    text-align: left;
  }
}