.header {
  background-color: #fff;
}
.header #header #header_link #case_link {
  color: #3D95FF;
  position: relative;
}
.header #header #header_link #case_link .underline {
  display: inline-block;
  width: 14px;
  height: 3px;
  background-color: #3D95FF;
  position: absolute;
  bottom: -9px;
  left: 50%;
  transform: translateX(-50%);
}
.header #header #case_link_vertical {
  background-color: #3D95FF;
  color: #fff;
}

#main {
  background-color: #fff;
  width: 100%;
}
#main #home_banner {
  margin: 114px auto 200px;
  max-width: 1920px;
}
#main #home_banner img {
  width: 100%;
}
#main #home_banner .img_small {
  display: none;
}
#main #product_title {
  margin: 0 auto 60px;
  max-width: 1200px;
}
#main #product_title p {
  align-items: center;
}
#main #product_title p .sign {
  display: inline-block;
  width: 8px;
  height: 38px;
  background-color: #3D95FF;
  margin-right: 12px;
}
#main #product_introduction {
  margin: 0 auto 100px;
  max-width: 1200px;
}
#main #product_introduction img {
  width: 200px;
  height: 200px;
  margin-right: 50px;
}
#main #product_introduction .product_introduction_content p {
  margin-bottom: 30px;
}
#main #detail_img_content {
  margin: 60px auto 200px;
  max-width: 1200px;
}
#main #detail_img_content .detail_img_content {
  min-height: 158px;
}
#main #detail_img_content .detail_img_content p {
  white-space: pre-wrap;
  text-indent: 2em;
  line-height: 24px;
  font-size: 16px;
  color: #666;
}
#main #detail_img_content .detail_img_content img {
  display: block;
  margin: 0 auto;
  max-width: 100%;
}

.footer {
  border-top: 1px solid #EEEEEE;
}

.footer2 {
  display: none;
}

@media screen and (max-width: 1200px) {
  #main #home_banner {
    margin: 50px auto 56px;
  }
  #main #home_banner .img {
    display: none;
  }
  #main #home_banner .img_small {
    display: block;
  }
  #main #product_title {
    padding: 0 16px;
  }
  #main #product_introduction {
    padding: 0 16px;
  }
  #main #detail_img_content {
    padding: 0 16px;
  }

  .footer {
    display: none;
  }

  .footer2 {
    padding: 0 16px;
    display: block;
  }
}
@media screen and (max-width: 660px) {
  #main #product_title {
    margin: 28px auto 18.5px;
  }
  #main #product_title p {
    font-size: 16px;
  }
  #main #product_title p .sign {
    width: 4px;
    height: 19px;
    margin-right: 6px;
  }
  #main #product_introduction {
    margin: 0 auto;
  }
  #main #product_introduction img {
    width: 80px;
    height: 80px;
    margin-right: 8px;
  }
  #main #product_introduction .product_introduction_content p {
    margin-bottom: 4px;
  }
  #main #product_introduction .product_introduction_content p:nth-child(1) {
    font-size: 14px;
  }
  #main #product_introduction .product_introduction_content p:nth-child(2) {
    font-size: 12px;
  }
  #main #detail_img_content {
    margin: 0 auto 80px;
  }
  #main #detail_img_content .detail_img_content {
    min-height: 107px;
  }
  #main #detail_img_content .detail_img_content p {
    line-height: 20px;
    font-size: 12px;
  }
}