:root {
  --BoxWidth: 930px;
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  /* link 滑順 */
  scroll-behavior: smooth;
  font-family: "Noto Sans HK", sans-serif;
}

#screenBackgroundFilter {
  position: fixed;
  display: block;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: -1;
  opacity: 1;
  width: 100%;
  height: 100%;
}

#screenBackground {
  position: fixed;
  display: block;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  object-fit: cover;
  z-index: -1;
  opacity: 1;
  width: 100%;
  min-width: 1440px;
    transition: opacity 0.5s ease;
  opacity: 1;
}

.container,
.centerBox {
  width: 100%;
  display: flex;
  justify-content: center;
}

.container {
  padding: 0 10px;
}

.box {
  width: 100%;
  max-width: var(--BoxWidth);
  padding: 60px 0px;
  position: relative;
}

.title {
  width: 183px;
  margin-bottom: 50px;
}
.title img {
  width: 100%;
  display: block;
}


.des {
  font-weight: normal;
  font-size: 20px;
  line-height: 170%;
  letter-spacing: 0px;
  vertical-align: middle;
}

.w100 {
  width: 100%;
}

.w50 {
  width: calc(50% - 10px);
}

.computerShowF {
  display: flex !important;
}

.mobileShowF {
  display: none !important;
}

.computerShow {
  display: block !important;
}

.mobileShow {
  display: none !important;
}

@media (max-width:768px) {

  .box {
    padding: 60px 0px;
  }

  .computerShowF {
    display: none !important;
  }

  .mobileShowF {
    display: flex !important;
  }

  .computerShow {
    display: none !important;
  }

  .mobileShow {
    display: block !important;
  }
}

@media (max-width:480px) {
  .w50 {
    width: 100%;
  }
}