* {
  box-sizing: border-box;
}

html,
body {
  background-color: white;
  overflow: auto;
  font-size: 16px;
  margin: 0;
  font-family: "PingFangSC, PingFang SC";
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 14px 0;
}

.logo {
  width: 3%;
  min-width: 40px;
  aspect-ratio: 140/160;
}

.logo img {
  width: 100%;
  height: 100%;
}

.forum-container {
  text-align: center;
  margin-bottom: 25vh;
  margin-top: 10vh;
}

.forum-container .forum-title {
  font-weight: 400;
  font-size: 2.4rem;
  color: #0d090b;
  text-align: center;
  margin-bottom: 18px;
}

.forum-container .description {
  font-weight: 300;
  font-size: 1.1rem;
  color: #000000;
  text-align: center;
}

.basic-image-box {
  display: flex;
  align-items: center;
  margin-bottom: 10vh;
}

.basic-image-box .basic-image {
  width: 34%;
  min-width: 140px;
  aspect-ratio: 1/1;
}

.basic-image-box .basic-image img {
  width: 100%;
}

.basic-image-box .section-content {
  flex: 1;
  margin-left: 5%;
}

.basic-image-box .section-content .section-title {
  font-size: 2rem;
  margin-bottom: 1.8rem;
}

.basic-image-box .section-content .content-text {
  font-size: 1.6rem;
  color: #000;
  font-weight: 300;
}

.basic-image-box.reserve-box {
  flex-direction: row-reverse;
}

.basic-image-box.reserve-box .section-content {
  flex: 1;
  margin-left: 0%;
  margin-right: 5%;
}

.center-image-box {
  text-align: center;
  margin-bottom: 12vh;
}

.center-image-box .section-title {
  font-size: 2rem;
  margin-bottom: 1.8rem;
}

.center-image-box .content-text {
  font-size: 1.6rem;
  color: #000;
  font-weight: 300;
  margin-bottom: 8vh;
}

.center-image-box .image-box {
  width: 100%;
}

.text-image-box {
  display: flex;
  align-items: center;
  margin-bottom: 8vh;
}

.text-image-box .basic-image {
  width: 21.5%;
  min-width: 120px;
  aspect-ratio: 1/1;
}

.text-image-box .basic-image img {
  width: 100%;
}

.text-image-box .section-content {
  flex: 1;
  margin-left: 5%;
}

.text-image-box .section-content .section-title {
  font-size: 2rem;
  margin-bottom: 1.8rem;
}

.text-image-box .section-content .content-text {
  font-size: 1.4rem;
  color: #000;
  font-weight: 300;
}

.footer {
  font-size: 1rem;
  text-align: center;
  color: #666;
}

.forum-container, .basic-image-box, .center-image-box, .text-image-box {
  padding: 0 12px;
}

@media (max-width: 480px) {
  .forum-container {
    margin-bottom: 9vh;
    margin-top: 4vh;
  }

  .forum-container .forum-title {
    font-size: 1rem;
    margin-bottom: 18px;
  }

  .forum-container .description {
    font-size: 0.4rem;
    color: #000000;
  }

  .basic-image-box {
    display: flex;
    margin-bottom: 3vh;
  }

  .basic-image-box .section-content .section-title {
    font-size: 0.7rem;
    margin-bottom: 0.7rem;
  }

  .basic-image-box .section-content .content-text {
    font-size: 0.5rem;
  }

  .center-image-box {
    margin-bottom: 3vh;
  }

  .center-image-box .section-title {
    font-size: 0.7rem;
    margin-bottom: 0.7rem;
  }

  .center-image-box .content-text {
    font-size: 0.5rem;
    margin-bottom: 2.5vh;
  }

  .text-image-box {
    margin-bottom: 3vh;
  }

  .text-image-box .section-content {
    flex: 1;
    margin-left: 5%;
  }

  .text-image-box .section-content .section-title {
    font-size: 0.7rem;
    margin-bottom: 0.7rem;
  }

  .text-image-box .section-content .content-text {
    font-size: 0.5rem;
    margin-bottom: 2.5vh;
  }

  .footer {
    font-size: 0.5rem;
  }
}