.kv {
  width: 100vw;
  height: 100vh;
  background: url(../images/downplus-bg.jpg) no-repeat center/cover;
}
.kv::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  background-color: rgba(0, 0, 0, 0.3);
  width: 100vw;
  height: 100vh;
  z-index: 1;
}
.kv .container {
  position: relative;
  z-index: 2;
}
.kv .subtitle {
  letter-spacing: 0.5em;
  font-weight: 300;
  text-transform: uppercase;
}
.kv .summary {
  position: absolute;
  left: 50%;
  bottom: 80px;
  z-index: 2;
  font-size: 18px;
  transform: translateX(-50%);
  color: #ffffff;
}
.kv .scrolldown {
  position: absolute;
  left: 50%;
  bottom: 0;
  z-index: 2;
  transform: translateX(-50%);
  animation: arrow-down 1s infinite;
}
.kv .scrolldown i {
  color: #fff;
  font-size: 2.5rem;
  text-shadow: 0 0 5px rgba(0, 0, 0, 0.8);
}

.kv .title {
  padding-bottom: 15px;
  position: relative;
  margin: 60px auto;
  font-size: 60px;
  color: #fff;
}

.kv .title::after {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  content: "";
  width: 80px;
  height: 6px;
  background: #8570e4;
}
@keyframes arrow-down {
  0% {
    -webkit-transform: translateY(-10px);
    transform: translateY(-10px);
  }
  60% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
  100% {
    -webkit-transform: translateY(-10px);
    transform: translateY(-10px);
  }
}

.info-box .downplus {
  margin-top: 80px;
}
.auth-box .downplus .head,
.info-box .downplus .head {
  align-items: flex-start;
  text-transform: uppercase;
  font-size: 44px;
  margin-bottom: 30px;
}

.auth-box .downplus .head p,
.info-box .downplus .head p {
  color: #479fd1;
}
.auth-box .downplus .title,
.info-box .downplus .title {
  font-size: 1.8rem;
  padding-bottom: 15px;
  position: relative;
  color: #333;
}

.info-box .downplus .title::after {
  position: absolute;
  bottom: 0;
  left: 0;
  content: "";
  width: 40px;
  height: 2px;
  background: #479fd1;
}
.info-box .card .title1 {
  font-size: 1.8rem;
  padding-bottom: 15px;
  position: relative;
  padding-left: 20px;
  color: #333;
}

.info-box .card .title1::after {
  position: absolute;
  top: 0;
  left: 0;
  content: "";
  width: 4px;
  height: 40px;
  background: #479fd1;
}

.info-box .downplus .head p span {
  color: #fff;
  text-shadow: 0 0 2px rgba(0, 0, 0, 0.6);
}

.info-box .card {
  margin: 80px auto 0;
}
#slide2 {
  margin: 40px auto 0;
}
.info-box .card .subtitle {
  font-size: 2.2rem;
  color: #dfdfdf;
  text-transform: uppercase;
}
.info-box .card .title {
  font-size: 1.5rem;
  margin-top: -20px;
  margin-bottom: 30px;
  position: relative;
}
.info-box .card .title::after {
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translate(-50%, 0);
  content: "";
  width: 100px;
  height: 2px;
  background: #479fd1;
}

.info-box .card-img .video::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  background-color: rgba(0, 0, 0, 0.1);
  width: 100%;
  height: 250px;
  z-index: 1;
}
.info-box .card-img .video img {
  width: 100%;
  height: 250px;
}

.info-box .card-img .iconfont {
  font-size: 40px;
  color: #fff;
  position: absolute;
  top: 50%;
  z-index: 2;
  left: 50%;
  transform: translate(-50%, -50%);
}

.lightbox-open {
  overflow: hidden;
}
.lightbox-open .lightbox {
  opacity: 1;
}
.lightbox {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100%;
  z-index: 99999;
  user-select: none;
  -webkit-user-select: none;
  display: none;
  transition: 0.3s;
}
.lightbox-container {
  display: none;
}
.lightbox .lightbox-mask {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
}
.lightbox .lightbox-container {
  height: 100%;
}
.lightbox .lightbox-container .swiper {
  height: 100%;
}
.lightbox .lightbox-container .ajax-result {
  max-height: 100vh;
  overflow-y: auto;
}
.lightbox .lightbox-container .ajax-result::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
.lightbox .lightbox-container .ajax-result::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.8);
  -webkit-border-radius: 10px;
  border-radius: 10px;
}
.lightbox .lightbox-container .ajax-result::-webkit-scrollbar-thumb {
  -webkit-border-radius: 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.4);
}
.lightbox .lightbox-container img,
.lightbox .lightbox-container svg,
.lightbox .lightbox-container video,
.lightbox .lightbox-container .ajax-result {
  position: absolute;
  z-index: 2;
  max-width: 100%;
  max-height: 100%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #000;
}
.lightbox .lightbox-container video {
  min-width: 600px;
  min-height: 400px;
  max-height: 80%;
  max-width: 80%;
}
.lightbox .lightbox-close {
  position: absolute;
  right: 2rem;
  top: 2rem;
  width: 1.5em;
  height: 1.5em;
  z-index: 99999;
  display: block;
  font-size: 30px;
  cursor: pointer;
  transition: all 0.2s linear;
}
.lightbox .lightbox-close:before {
  content: " ";
  position: absolute;
  left: 5%;
  right: 5%;
  top: 50%;
  border-bottom: solid 1.5px #fff;
  transform: rotate(-45deg);
}
.lightbox .lightbox-close:after {
  content: " ";
  position: absolute;
  left: 5%;
  right: 5%;
  top: 50%;
  border-bottom: solid 1.5px #fff;
  transform: rotate(45deg);
}
.lightbox .lightbox-close:hover {
  transform: rotate(180deg);
}
.lightbox .lightbox-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  width: 1em;
  height: 1em;
  margin-left: -0.5em;
  margin-top: -0.5em;
  border-top: 1px solid #fff;
  border-right: 1px solid #fff;
  border-bottom: 1px solid #fff;
  border-left: 1px solid #000;
  border-radius: 50%;
  animation: spinner 700ms infinite linear;
  zoom: 1;
  font-size: 30px;
}