.kv {
  width: 100vw;
  height: 100vh;
  background: url(../images/about-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 .menu {
  list-style: none;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 50px 0;
  margin-bottom: 0;
}
.info-box .menu li {
  margin: 0 20px;
  font-size: 20px;
}
.info-box .menu li a {
  color: #333;
}
.info-box .menu li.active a {
  color: #479fd1;
}
.info-box .about-ul-img {
  display: none;
}
.info-box .about-ul-img img {
  width: 100%;
  height: 400px;
}
.info-box .about {
  position: relative;
  padding-top: 50px;
  margin-bottom: 50px;
}
.info-box .about::before {
  position: absolute;
  top: 0;
  right: 0;
  content: "";
  width: 25%;
  height: 500px;
  background: #f5f5f5;
  z-index: 0;
}
.info-box .about::after {
  position: absolute;
  top: 25px;
  right: -8px;
  content: "samsung";
  font-size: 5rem;
  font-weight: 300;
  line-height: 1em;
  color: rgba(71, 159, 209, 0.3);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  writing-mode: tb-rl;
  z-index: 0;
  transform: rotate(-180deg);
}
.info-box .about .head {
  flex-direction: column;
  align-items: flex-start;
  text-transform: uppercase;
  font-size: 44px;
  margin-bottom: 30px;
}

.info-box .about .head p {
  color: #479fd1;
  margin-bottom: 40px;
}
.info-box .about .title {
  font-size: 1.8rem;
  padding-bottom: 15px;
  position: relative;
  color: #333;
}

.info-box .about .title::after {
  position: absolute;
  bottom: 0;
  left: 0;
  content: "";
  width: 40px;
  height: 2px;
  background: #479fd1;
}

.info-box .about .head p span {
  color: #fff;
  text-shadow: 0 0 2px #000;
}

.info-box .about .richtext {
  padding: 0 15% 0 10%;
  position: relative;
  margin-bottom: 60px;
  text-align: justify;
}
.info-box .about .richtext i {
  position: absolute;
  top: 0;
  left: 0;
  font-size: 5rem;
  color: #dcdcdc;
}
.info-box .about .richtext p {
  color: #3a3a3a;
  opacity: 0.8;
  font-size: 1.15rem;
  line-height: 2.5em;
}
.info-box .about .number {
  padding: 0 15% 0 10%;
  margin-bottom: 80px;
  position: relative;
  display: flex;
  align-items: center;
}
.info-box .about .number i {
  position: absolute;
  top: 0;
  right: 15%;
  font-size: 5rem;
  color: #dcdcdc;
}
.info-box .about .number dl {
  margin-right: 30px;
}
.info-box .about .number dl dt {
  color: #000;
}
.info-box .about .number dl dd {
  color: #479fd1;
}
.info-box .about .number dl dd span {
  font-size: 2.5rem;
}
.info-box .btn-entry{
  padding: 10px 20px;
  color: #fff;
  background-color: #479fd1;
  margin:  40px 0 40px 10%;
}