body {
  color: #fff;
  background: radial-gradient(circle at 20% 10%, #0f4f7f 0%, #082540 45%, #04172e 100%);
  background-image: url("../images/index-bg.jpg");
  background-size: cover;
}
a {
  color: inherit;
  text-decoration: none;
}
.page {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: linear-gradient(90deg, rgba(54, 138, 197, 0.08) 0.005rem, transparent 0.005rem), linear-gradient(0deg, rgba(54, 138, 197, 0.08) 0.005rem, transparent 0.005rem);
  background-size: 0.16rem 0.16rem;
}
.topbar {
  width: 100%;
  height: 0.36rem;
  padding: 0 0.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(4, 28, 49, 0.55);
  border-bottom: 0.005rem solid rgba(115, 180, 225, 0.35);
}
.topbar .logo {
  width: 0.74rem;
  font-size: 0.18rem;
  font-weight: 700;
  letter-spacing: 0.005rem;
  color: #0cc0ff;
  text-transform: uppercase;
}
.topbar .logo img {
  width: 100%;
}
.topbar .actions {
  display: flex;
  align-items: center;
  gap: 0.12rem;
  font-size: 0.09rem;
  color: rgba(255, 255, 255, 0.9);
}
.topbar .lang {
  display: inline-flex;
  align-items: center;
  gap: 0.05rem;
  padding-left: 0.06rem;
  border-left: 0.005rem solid rgba(255, 255, 255, 0.25);
}
.topbar .lang img {
  width: 0.125rem;
}
.content {
  width: 100%;
  max-width: calc(100vw - 1.4rem);
  margin: 0 auto;
  padding: 0.16rem 0.14rem 0;
}
.intro {
  display: flex;
  justify-content: space-between;
  padding-bottom: 0;
  padding-top: 0.15rem;
}
.intro h1 {
  font-size: 0.18rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.004rem;
}
.intro p {
  margin-top: 0.01rem;
  max-width: 5rem;
  font-size: 0.1rem;
  line-height: 1.7;
  color: rgba(218, 238, 255, 0.88);
}
.card-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.24rem;
}
.card {
  position: relative;
  border-radius: 0.004rem;
  overflow: hidden;
  box-shadow: 0 0.02rem 0.08rem rgba(0, 0, 0, 0.24);
}
.card * {
  color: #333;
}
.card::before {
  content: "";
  display: block;
  padding-top: calc(100% / 515 * 530);
}
.card:hover .card-media img {
  transform: scale(1.04);
}
.card:hover .card-body * {
  color: var(--color-c1);
}
.card:hover .card-body p {
  max-height: 0.4rem;
}
.card:hover .card-body .m span {
  border-color: var(--color-c1);
  background-color: var(--color-c1);
  color: #fff;
}
.card .card-media {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  background-size: cover;
  background-position: center;
}
.card .card-media::before {
  padding-top: calc(100% / 515 * 348);
}
.card .card-media img {
  transition: all ease 0.3s;
}
.card .card-body {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 0.2rem;
  background: #fff;
}
.card h3 {
  font-size: 0.14rem;
  text-align: center;
  font-weight: 700;
  margin-bottom: 0.05rem;
}
.card .card-body > p {
  text-align: center;
  font-size: 0.09rem;
  line-height: 1.5;
  color: #666;
  margin-bottom: 0.07rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-in-out;
}
.card .m {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.05rem;
}
.card .m .more {
  display: inline-flex;
  align-items: center;
  gap: 0.04rem;
  font-size: 0.1rem;
  border-bottom: 0.005rem solid #111;
}
.card .m span {
  width: 0.25rem;
  height: 0.25rem;
  border: 0.01rem solid #111;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.1rem;
}
.footer {
  margin-top: auto;
  height: 0.34rem;
  padding: 0 0.35rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.08rem;
  color: #fff;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}
@media screen and (max-width: 768px) {
  .content {
    padding: 0;
    max-width: calc(100vw - var(--main-space) * 2);
  }
  .intro {
    flex-direction: column;
    gap: 0.1rem;
    margin-bottom: 0;
    padding-bottom: 0;
  }
  .intro h1 br {
    display: none;
  }
  .card::before {
    padding-top: calc(100% / 515 * 480);
  }
  .card .card-body > p {
    max-height: 0.5rem;
  }
  .card-list {
    grid-template-columns: 1fr;
    gap: 0.1rem;
  }
  .footer {
    flex-direction: column;
    padding: var(--main-space);
    height: auto;
    font-size: 0.09rem;
  }
}