.banner {
  position: relative;
}
@media (max-width: 800px) {
  .banner {
    height: 550px;
    overflow: hidden;
  }
}

.banner-text-box {
  position: absolute;
  bottom: 20%;
  left: 5%;
  width: 550px;
  color: #FFF;
  text-align: right;
}
@media (max-width: 1000px) {
  .banner-text-box {
    width: 450px;
  }
}
@media (max-width: 800px) {
  .banner-text-box {
    width: 90%;
    bottom: 10%;
  }
}
.banner-text-box .text {
  text-align: left;
}
.banner-text-box .big {
  font-size: 2.625rem;
  line-height: 50px;
  margin-bottom: 40px;
  font-weight: bold;
}
@media (max-width: 1000px) {
  .banner-text-box .big {
    font-size: 2.1875rem;
    line-height: 43px;
    margin-bottom: 30px;
  }
}
@media (max-width: 600px) {
  .banner-text-box .big {
    font-size: 1.75rem;
    line-height: 36px;
    margin-bottom: 10px;
  }
}
.banner-text-box .big b {
  background: -webkit-gradient(linear, right top, left top, from(#51b0c2), to(#FFF));
  background: linear-gradient(to left, #51b0c2, #FFF);
  background: -webkit-linear-gradient(to left, #51b0c2, #FFF);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}
.banner-text-box h4 {
  font-size: 2rem;
  line-height: 40px;
  margin-bottom: 40px;
}
@media (max-width: 1000px) {
  .banner-text-box h4 {
    font-size: 1.625rem;
    line-height: 34px;
    margin-bottom: 30px;
  }
}
@media (max-width: 600px) {
  .banner-text-box h4 {
    font-size: 0.75rem;
    line-height: 20px;
    margin-bottom: 90px;
  }
}
.banner-text-box .slogan {
  font-size: 3rem;
  line-height: 56px;
  margin-bottom: 30px;
  font-weight: bold;
}
@media (max-width: 1000px) {
  .banner-text-box .slogan {
    font-size: 1.875rem;
    line-height: 38px;
    margin-bottom: 20px;
  }
}
@media (max-width: 600px) {
  .banner-text-box .slogan {
    font-size: 1rem;
    line-height: 24px;
    margin-bottom: 5px;
  }
}
.banner-text-box .slogan b {
  font-size: 1rem;
  line-height: 24px;
}
@media (max-width: 1000px) {
  .banner-text-box .slogan b {
    font-size: 0.875rem;
    line-height: 22px;
  }
}
@media (max-width: 600px) {
  .banner-text-box .slogan b {
    font-size: 0.75rem;
    line-height: 20px;
  }
}
.banner-text-box .video-button {
  font-size: 2rem;
  line-height: 40px;
}
@media (max-width: 1000px) {
  .banner-text-box .video-button {
    font-size: 1.625rem;
    line-height: 34px;
  }
}
@media (max-width: 600px) {
  .banner-text-box .video-button {
    font-size: 0.75rem;
    line-height: 20px;
  }
}
.banner-text-box .fa-play-circle {
  margin-left: 10px;
  font-size: 30px;
}
@media (max-width: 1000px) {
  .banner-text-box .fa-play-circle {
    font-size: 26px;
  }
}
@media (max-width: 600px) {
  .banner-text-box .fa-play-circle {
    font-size: 12px;
  }
}

.banner-video {
  width: 100%;
  display: block;
}
@media (max-width: 800px) {
  .banner-video {
    position: absolute;
    width: 1000px;
    height: 100%;
    left: 50%;
    -webkit-transform: translateX(-50%);
            transform: translateX(-50%);
  }
}

.introduce-box {
  background-image: url("../images/about_01_v1.jpg");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  text-align: center;
}
@media (max-width: 600px) {
  .introduce-box {
    background-image: url("../images/about_01_v2.jpg");
  }
}
.introduce-box .text-box {
  padding: 120px 0 110px;
  color: #FFF;
}
@media (max-width: 1000px) {
  .introduce-box .text-box {
    padding: 80px 0 70px;
  }
}
@media (max-width: 600px) {
  .introduce-box .text-box {
    padding: 45px 5px 30px;
  }
}
.introduce-box .text-box h5 {
  font-size: 2.8125rem;
  line-height: 53px;
  line-height: 45px;
  margin-bottom: 45px;
  display: inline-block;
  border-left: 6px solid #FFF;
  border-right: 6px solid #FFF;
  padding: 0 40px;
}
@media (max-width: 1000px) {
  .introduce-box .text-box h5 {
    font-size: 1.875rem;
    line-height: 38px;
    line-height: 30px;
    margin-bottom: 30px;
    border-left: 3px solid #FFF;
    border-right: 3px solid #FFF;
    padding: 0 25px;
  }
}
@media (max-width: 600px) {
  .introduce-box .text-box h5 {
    font-size: 1rem;
    line-height: 24px;
    line-height: 16px;
    margin-bottom: 20px;
    padding: 0 10px;
    border-left: 1px solid #FFF;
    border-right: 1px solid #FFF;
  }
}
.introduce-box .text-box p {
  font-size: 1.5rem;
  line-height: 32px;
  line-height: 40px;
}
@media (max-width: 1000px) {
  .introduce-box .text-box p {
    font-size: 1.125rem;
    line-height: 26px;
    margin-bottom: 30px;
    line-height: 30px;
  }
}
@media (max-width: 600px) {
  .introduce-box .text-box p {
    font-size: 0.75rem;
    line-height: 20px;
    line-height: 20px;
  }
}

.feature-box {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  width: 80%;
  margin: 0 auto;
  padding: 90px 0 70px;
  text-align: center;
}
@media (max-width: 1100px) {
  .feature-box {
    width: 90%;
  }
}
@media (max-width: 600px) {
  .feature-box {
    width: 100%;
    display: block;
    padding: 30px 0 25px;
  }
}
.feature-box h5 {
  font-size: 1rem;
  line-height: 24px;
  line-height: 16px;
  margin-bottom: 30px;
  display: inline-block;
  border-left: 1px solid #d6d6d6;
  border-right: 1px solid #d6d6d6;
  padding: 0 20px;
  display: none;
  color: #333;
  font-weight: bolder;
}
@media (max-width: 600px) {
  .feature-box h5 {
    display: inline-block;
  }
}
.feature-box .video-box {
  position: relative;
  height: 580px;
  width: 35%;
  overflow: hidden;
}
@media (max-width: 1100px) {
  .feature-box .video-box {
    height: 350px;
  }
}
@media (max-width: 600px) {
  .feature-box .video-box {
    height: 500px;
    width: 100%;
  }
}
.feature-box .video-box video {
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  top: 0;
  height: 100%;
  display: block;
}
.feature-box .img-box {
  width: 65%;
  position: relative;
  z-index: 10;
}
@media (max-width: 600px) {
  .feature-box .img-box {
    width: 100%;
  }
}

.story-box {
  width: 80%;
  margin: 0 auto 110px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
@media (max-width: 1400px) {
  .story-box {
    width: 90%;
    margin: 0 auto 40px;
  }
}
@media (max-width: 600px) {
  .story-box {
    margin: 0 auto 20px;
  }
}

a.story-item {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  border-radius: 30px;
  width: 24%;
  padding-bottom: 24%;
  color: #FFF;
  height: 0;
  position: relative;
  overflow: hidden;
}
@media (max-width: 1400px) {
  a.story-item {
    width: 49%;
    margin-bottom: 20px;
    padding-bottom: 49%;
  }
}
@media (max-width: 600px) {
  a.story-item {
    width: 100%;
    padding-bottom: 100%;
  }
}
a.story-item .story-logo {
  position: absolute;
  z-index: 3;
  width: 40px;
  top: 15px;
  left: 15px;
}
@media (max-width: 600px) {
  a.story-item .story-logo {
    width: 30px;
  }
}
a.story-item .mark {
  width: 100%;
  height: 100%;
  display: inline-block;
  background: rgba(67, 67, 67, 0.4);
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
}
a.story-item .text-box {
  position: absolute;
  left: 0;
  bottom: 0;
  width: calc(100% - 30px);
  padding: 0 15px;
  z-index: 2;
}
a.story-item .top-text {
  font-size: 0.875rem;
  line-height: 22px;
  border-bottom: 1px solid #FFF;
}
@media (max-width: 600px) {
  a.story-item .top-text {
    font-size: 0.75rem;
    line-height: 20px;
  }
}
a.story-item .top-text h3 {
  font-size: 1.125rem;
  line-height: 26px;
  margin-bottom: 10px;
}
@media (max-width: 600px) {
  a.story-item .top-text h3 {
    font-size: 0.875rem;
    line-height: 22px;
  }
}
a.story-item .top-text p {
  margin-bottom: 15px;
}
a.story-item .bottom-text {
  font-size: 0.875rem;
  line-height: 22px;
  padding: 20px 0 15px;
  text-align: right;
}
@media (max-width: 600px) {
  a.story-item .bottom-text {
    font-size: 0.75rem;
    line-height: 20px;
    padding: 15px 0;
  }
}
a.story-item .bottom-text p {
  text-align: left;
}
a.story-item .more-icon {
  color: #6afe6a;
  font-size: 1.5rem;
  line-height: 32px;
}
@media (max-width: 600px) {
  a.story-item .more-icon {
    font-size: 1.125rem;
    line-height: 26px;
  }
}
a.story-item .more-icon img {
  width: 20px;
  margin-left: 10px;
}

.slogan-box {
  font-size: 2.25rem;
  line-height: 44px;
  margin-bottom: 140px;
  text-align: center;
  font-weight: bolder;
}
@media (max-width: 800px) {
  .slogan-box {
    font-size: 1.75rem;
    line-height: 36px;
  }
}
@media (max-width: 600px) {
  .slogan-box {
    font-size: 1.4375rem;
    line-height: 31px;
    margin-bottom: 40px;
  }
}
.slogan-box .big {
  font-size: 7.5rem;
  line-height: 128px;
  margin-bottom: 50px;
}
@media (max-width: 800px) {
  .slogan-box .big {
    font-size: 5rem;
    line-height: 88px;
  }
}
@media (max-width: 600px) {
  .slogan-box .big {
    margin-bottom: 10px;
    font-size: 2.25rem;
    line-height: 44px;
  }
}
.slogan-box .big b {
  font-size: 3.75rem;
  line-height: 68px;
}
@media (max-width: 800px) {
  .slogan-box .big b {
    font-size: 2.8125rem;
    line-height: 53px;
  }
}
@media (max-width: 600px) {
  .slogan-box .big b {
    font-size: 1.5rem;
    line-height: 32px;
  }
}