html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}
p {
  margin: 0;
}
ul {
  padding: 0;
  margin: 0;
}
li {
  list-style: none;
}
.display-none {
  display: none !important;
}
.color-red {
  color: #cd0505;
}
#app {
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: #F6F6F6;
}
#app .banner {
  width: 100%;
  height: auto;
}
#app .banner .bannerImage {
  width: 100%;
  min-height: 255px;
}
#app .banner #bannerImageH5 {
  display: block;
}
#app .banner #bannerImagePC {
  display: none;
}
#app .courseList {
  width: 100%;
  box-sizing: border-box;
  padding: 15px calc(17vw / 3.75);
}
#app .courseList .courseItem {
  display: flex;
  width: 100%;
  max-width: 500px;
  box-sizing: border-box;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 15px;
  border-radius: 6px;
  padding: calc(12vw / 3.75);
  background-color: #FFFFFF;
}
#app .courseList .courseItem:last-of-type {
  margin-bottom: 0;
}
#app .courseList .courseItem .courseTitle {
  font-size: .8rem;
  color: #424242;
  line-height: 22px;
  font-family: PingFangTC-Regular;
}
#app .courseList .courseItem .courseTitle + .courseContent {
  margin-top: 12px;
}
#app .courseList .courseItem .courseContent {
  height: 100%;
  /* flex-flow: row nowrap;
  justify-content: start;
  gap: 11px; */
}
a {
  text-decoration: none; /* 去除默認的下劃綫 */
  outline: none; /* 去除舊版瀏覽器的點擊後外虛綫框 */
  color: #000; /* 去除默認的顔色和點擊後變化的顔色 */
}
.courseImage {
  flex-shrink: 0;
  width: calc(70vw / 3.75);
  min-width: 5rem;
  max-width: 8rem;
  height: calc(70vw / 3.75);
  min-height: 5rem;
  max-height: 8rem;
  overflow: hidden;
  border-radius: 2px;
  margin-right: .2933rem;
}
.courseImage > img {
  width: 100%;
  height: 100%;
}
#app .courseList .courseItem .courseContent .courseIntroduce {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
#app .courseList .courseItem .courseContent .courseIntroduce .courseTitle {
  font-size: 1rem;
  font-weight: 600;
  font-family: SourceHanSansTC-Medium;
  word-break: break-all;
}
#app .courseList .courseItem .courseContent .courseIntroduce .courseDetail .courseTitle + .courseAuthor {
  margin-top: calc(5vw / 3.75);
}
#app .courseList .courseItem .courseContent .courseIntroduce .courseFont {
  font-size: 12px;
  font-family: PingFangTC-Regular, PingFangTC, serif;
  font-weight: 400;
  line-height: 17px;
}
#app .courseList .courseItem .courseContent .courseIntroduce .courseDetail .courseAuthor {
  font-size: .6rem;
  font-family: PingFangTC-Regular;
  font-weight: 400;
  line-height: 17px;
  color: rgba(66, 66, 66, 1);
  margin-right: 9px;
}
.courseDetail {
  display: flex;
  align-items: center;
  margin-top: calc(11vw / 3.75);
}
#app .courseList .courseItem .courseContent .courseIntroduce .courseTag + .courseTag {
  margin-left: 8px;
}
#app .courseList .courseItem .courseContent .courseIntroduce .courseTag {
  height: .54rem;
  line-height: .54rem;
  font-size: .6rem;
  font-family: PingFangTC-Regular;
  color: #fff;
  display: inline-block;
  padding: 4px 6px;
  background: rgb(170, 170, 170);
  border-radius: 15px;
}
#app .lazyLoadTip {
  font-size: 14px;
  font-family: PingFangTC-Regular, PingFangTC, serif;
  font-weight: 400;
  line-height: 17px;
  color: rgba(66, 66, 66, 0.5);
  background-color: #F6F6F6;
  text-align: center;
  margin-bottom: 15px;
}
#app .popup {
  display: none;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  opacity: 0;
}
#app .popup.show {
  display: block;
  z-index: 1000;
  opacity: 1;
}
#app .popup .popupWindow {
  width: calc(300vw / 3.75);
  max-width: 300px;
  background-color: #fff;
  padding: 28px 18px 24px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  border-radius: 3px;
}
#app .popup .popupWindow .popupText {
  text-align: center;
}
#app .popup .popupWindow .popupTitle {
  margin: 0 0 16px;
}
#app .popup .popupWindow .popupTitle > .popupText {
  font-size: 20px;
  font-weight: 600;
}
#app .popup .popupWindow .popupContent {
  margin: 0 0 50px;
}
#app .popup .popupWindow .popupContent > .popupText {
  font-size: 14px;
}
#app .popup .popupWindow .popupCancel {
  outline: none;
  border: none;
  font-size: 14px;
  width: 100%;
  height: calc(50vw / 3.75);
  max-height: 50px;
  background-color: #cd0505;
  color: #fff;
  border-radius: 2px;
}
@media screen and (min-width: 576px) {
  .courseTitle {
    font-size: 20px !important;
  }
  .courseAuthor,
  .courseTag {
    font-size: 16px !important;
  }
}
@media screen and (min-width: 992px) {
  .banner .bannerImage {
    min-height: auto !important;
  }
  .banner #bannerImageH5 {
    display: none !important;
  }
  .banner #bannerImagePC {
    display: block !important;
  }
  .courseList .courseItem {
    max-width: 800px !important;
  }
  .courseList .courseItem .courseContent {
    gap: 30px !important;
  }
  .courseList .courseItem .courseContent .courseIntroduce .courseTitle + .courseAuthor {
    margin-top: 15px !important;
  }
  .courseDetail {
    margin-top: 60px !important;
  }
}