* {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, PingFang SC,
    Hiragino Sans GB, Microsoft YaHei, Helvetica Neue, Helvetica, Arial,
    sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol;
}

.header {
  width: 100%;
  text-align: center;
  height: auto;
}
/* .header-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
} */
.header-title {
  font-size: 33px;
  font-weight: 500;
  line-height: 1.2;
  background-image: linear-gradient(#1bc0ef, #0a8adc);
  color: transparent;
  background-clip: text;
  margin-left: -12px;
  margin-bottom: 0px;
}
.header-rt img {
  width: 75%;
}
.container {
  max-width: 1000px;
}

.content {
  background-color: #e4eef9;
  width: 100%;
  padding-bottom: 4rem;
  padding-top: 0.2rem;
  border-bottom: solid 1px #e5e5e5;
}

.jc:hover img {
  border-radius: 10px;
  box-shadow: 0px 4px 10px 1px rgba(1, 170, 250, 0.4);
  transition: 0.3s;
}

.qbjc:hover {
  box-shadow: 0px 13px 28px -4px rgba(1, 170, 250, 0.4);
  transition: 0.3s;
}

.rank {
  position: relative;
  top: -15px;
}

.qbtitle {
  color: #333;
  height: 40px;
  padding: 0.5rem 0;
  box-sizing: content-box;
}

.qblink {
  width: 100%;
  text-align: center;
  background-color: #02acfc;
  border-radius: 5px;
  padding: 0.5rem 0;
  display: block;
}

a.qblink {
  text-decoration: none;
  color: #fff;
}

a.qblink:hover {
  background: #1cb6ff;
}

.qbbtn {
  box-sizing: border-box;
  width: 100%;
  text-align: center;
  border-radius: 5px;
  padding: 0.5rem 0;
}

.btn {
  padding: 0.5rem 0;
  color: #fff;
  background-color: #a6a6a6;
  margin: 10px 0px;
}

.btn:hover {
  color: #fff;
  background-color: #b3b3b3;
}

.footer {
  height: 80px;
  line-height: 80px;
  color: #999;
}

.left {
  position: fixed;
  left: calc((100% - 1000px) / 2 - 120px);
  padding-top: 50px;
}

.nav {
  margin-bottom: 10px;
}

.card1 {
  width: 100px;
  height: 100px;
  position: relative;
}

.front {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.front img {
  width: 100px;
  height: 100px;
}

.card1:hover {
  transform: rotateY(360deg);
  transition: transform 0.8s;
}

.navlink p {
  margin-bottom: 0;
}
a.navlink:hover {
  text-decoration: none;
}
a.navlink:visited {
  text-decoration: none;
}
.close:focus {
  outline: none;
  box-shadow: none;
}
.close img {
  width: 50%;
}
@media (min-width: 1200px) {
  .modal-dialog {
    max-width: 1000px;
    margin: 1.75rem auto;
  }

  .close {
    position: fixed;
    text-shadow: none;
    right: calc((100% - 1000px) / 2);
    transform: none;
    z-index: 999;
  }

  .logoimg {
    width: 100%;
  }

  .qbicon img {
    width: 70px;
    border-radius: 10px;
    border: #f5f5f5 solid 1px;
  }

  .qbjc {
    background-color: #fff;
    padding: 0 20px 0px;
    border-radius: 10px;
    box-sizing: border-box;
    margin-top: 40px;
  }

  .qbtitle {
    font-size: 120%;
  }

  a.qblink {
    font-size: 110%;
  }

  .qbbtn {
    font-size: 110%;
  }

  .left {
    position: fixed;
    left: calc((100% - 1000px) / 2 - 120px);
    padding-top: 50px;
  }

  .mobnav {
    display: none;
  }
}

@media (min-width: 576px) and (max-width: 1200px) {
  .nav {
    display: none;
  }

  .modal-dialog {
    max-width: 550px;
    margin: 1.75rem auto;
  }

  .close {
    position: fixed;
    text-shadow: none;
    right: calc((100% - 550px) / 2);
    transform: none;
    z-index: 999;
  }

  .logoimg {
    width: 100%;
  }

  .qbjc {
    background-color: #fff;
    padding: 0 20px 0;
    border-radius: 10px;
    box-sizing: border-box;
    margin-top: 40px;
  }

  .qbicon img {
    width: 33%;
    border-radius: 10px;
    border: #f5f5f5 solid 1px;
  }

  .qbtitle {
    font-size: 120%;
    height: 40px;
    padding: 0.5rem 0;
    line-height: 40px;
  }

  .qblink {
    padding: 0.5rem 0;
  }

  .qblink a {
    font-size: 110%;
  }

  .qbbtn {
    font-size: 110%;
    padding: 0.5rem 0;
  }

  .mobnav {
    display: flex;
    justify-content: space-between;
    position: fixed;
    bottom: 0;
    background-color: #02acfc;
    z-index: 90;
    width: 100%;
    height: 6rem;
  }

  .mob-nav-r {
    border-right: solid 1px #a8d9ff;
  }

  .mobnav .navlink {
    width: 19%;
    height: auto;
    color: #a8d9ff;
    display: flex;
    justify-content: center;
    padding: 2% 0;
    font-size: 120%;
    flex-direction: column;
    align-items: center;
  }

  .navlink img {
    width: 20%;
  }

  .btn {
    padding: 0.5rem 0;
    color: #fff;
    background-color: #999;
    margin: 10px 0px;
  }

  .footer {
    margin-bottom: 6rem;
  }
  .header-title {
    font-size: 24px;
  }
}
@media (max-width: 992px) {
  .header-rt img {
    width: 100%;
  }
  .footer .text-center {
    font-size: 10px;
    white-space: normal;
  }
}
@media (max-width: 576px) {
  .header-title {
    font-size: 18px;
  }
  .btn {
    margin: 10px 0 0;
  }

  .nav {
    display: none;
  }

  .modal-dialog {
    max-width: 500px;
    margin: 1.75rem auto;
  }

  .tt {
    padding-left: 0;
  }

  .close {
    position: fixed;
    text-shadow: none;
    right: -20px;
    transform: none;
    z-index: 999;
  }
  .close img {
    width: 30%;
  }
  .logoimg {
    width: 110%;
  }

  .qbicon img {
    width: 44px;
    border-radius: 10px;
    border: #f5f5f5 solid 1px;
  }

  .qbjc {
    background-color: #fff;
    padding: 0 1rem;
    border-radius: 10px;
    box-sizing: border-box;
    margin-top: 2rem;
  }

  .qbtitle {
    font-size: 88%;
    padding: 0 0.1rem;
    height: 25px;
    line-height: 25px;
  }

  .qblink {
    width: 100%;
    text-align: center;
    background-color: #02acfc;
    border-radius: 5px;
    padding: 0 0.2rem;
    height: 28px;
    line-height: 25px;
    margin-top: 0.2rem;
  }

  a.qblink {
    font-size: 80%;
  }

  .qbbtn {
    font-size: 80%;
    padding: 0 0.2rem;
    height: 28px;
    line-height: 25px;
  }

  .qblink {
    width: 100%;
    text-align: center;
    background-color: #02acfc;
    border-radius: 5px;
  }

  .qbbtn {
    box-sizing: border-box;
    width: 100%;
    text-align: center;
    background-color: #999;
    border-radius: 5px;
  }

  .content {
    padding-bottom: 3rem;
  }

  .mobnav {
    display: flex;
    justify-content: space-between;
    position: fixed;
    bottom: 0;
    background-color: #02acfc;
    z-index: 90;
    width: 100%;
    height: 4.4rem;
  }

  .mob-nav-r {
    border-right: solid 1px #a8d9ff;
  }

  .mobnav .navlink {
    width: 19%;
    height: auto;
    color: #fff;
    display: flex;
    align-content: center;
    justify-content: center;
    font-size: 80%;
    flex-direction: column;
    align-items: center;
  }

  .mobnav .navlink img {
    display: block;
    margin-bottom: 0.2rem;
  }

  .navlink img {
    width: 30%;
  }

  .footer {
    height: 3rem;
    line-height: 3rem;
    color: #999;
    margin-bottom: 4.6rem;
  }

  .col-4 {
    padding-left: 0;
  }

  .row {
    padding-left: 15px;
  }
}