@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.11.2/css/all.min.css');
/* @import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:wght@400;700&display=swap'); */

html {
  font-size: 16px;
}

body {
  font-family: 'OPPO Sans', sans-serif;
  line-height: 1.4rem;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 500;
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.7rem;
}

h3 {
  font-size: 1.5rem;
}

img {
  max-width: 100%;
}

p:last-child {
  margin: 0;
}

ul.bullets {
  margin: 0;
}

.txt,
.img {
  padding: 2rem 1rem;
}

.img {
  text-align: center;
}

.footnote {
  display: block;
  font-size: 14px;
  line-height: 18px;
}

.bg-img {
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  height: 800px;
  padding: 2rem 0;
}

.fb {
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  background-image: linear-gradient(to bottom, #2C5E7A, #97BCD1);
}

.eb {
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  background-image: linear-gradient(to bottom, #0A0A0C, #6C798B);
}

.bc3 {
  background: linear-gradient(to bottom, #f1f1fc48, #e1e9f163);
}

/* .bg1 {
  background: linear-gradient(90deg, #5BE3F9 0%, #4FAAFB 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.bg2 {
  background: linear-gradient(90deg, #41BCF4 0%, #4950F9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
} */

.bg-b {
  background: linear-gradient(to bottom, #C0E5F1, #E1EBEF);

}

.pr {
  position: relative;
}

/* .ch {
  min-height: 300px;
} */

/**
  @bg 1568x1168

  height = width * 0.74
 */
.video-container {
  position: relative;
  overflow: hidden;
  margin: 40px auto;
  width: 300px;
  height: 222px;
  border-top-left-radius: 38px;
  border-top-right-radius: 38px;
}

.video-content {
  display: block;
}

.center {
  margin: 0 auto;
}

.video-frame {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: transparent url("../media/img-02.png") no-repeat center top / contain;
}

@media (min-width: 768px) {
  .video-container {
    width: 640px;
    height: 474px;
    border-top-left-radius: 80px;
    border-top-right-radius: 80px;
  }
}

.bt {
  padding-top: 7rem;
  font-size: 65px;
  font-weight: bolder;
}

.disclaimer {
  color: #979797;
  padding-left: 1rem;
}

@media (min-width: 320px) {
  .mb-md-5rem {
    margin-bottom: 6rem;
  }

  .bg-img {
    min-height: 400px;
    padding: 6rem 0;
  }

  .bt {
    padding-top: 4rem;
    font-size: 45px;
  }
}

@media (min-width: 576px) {
  .mb-md-5rem {
    margin-bottom: 8rem;
  }

}

@media (min-width: 768px) {
  html {
    font-size: 18px;
  }

  .bg-img {
    min-height: 550px;
    padding: 4rem 0;
  }

  .mb-md-5rem {
    margin-bottom: 8rem;
  }
}

@media (min-width: 992px) {
  html {
    font-size: 20px;
  }

  .disclaimer {
    font-size: 0.8rem;
  }

  .bg-img {
    min-height: 800px;
  }

  .mb-md-5rem {
    margin-bottom: 3rem;
  }

  .bt {
    padding-top: 6rem;
    font-size: 55px;
  }
}

@media (min-width: 1200px) {
  html {
    font-size: 24px;
  }

  .txt,
  .img {
    padding: 2rem;
  }

  .bg-img {
    min-height: 500px;
  }

  .mb-md-5rem {
    margin-bottom: 12.5rem;
  }

  .bt {
    padding-top: 6rem;
    font-size: 65px;
  }
}

@media (min-width: 1360px) {
  html {
    font-size: 28px;
  }
}