.main-content {
  padding: 0 !important;
}
.articleTitleremake p {
  font-size: 15px !important;
  color: #5a5c76;
  margin-top: 24px;
  font-weight: 400;
  line-height: 32px;
}
.levelbox span {
  font-size: 13px;
  color: #5a5c76;
  font-weight: 400;
}
.levelbox div {
  font-size: 17px !important;
  color: #00182a;
  margin-top: 5px;
  font-weight: 400;
}
.level {
  margin-top: 60px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  width: 80%;
  flex-wrap: wrap;
}
.contentboxari,
.articleTitle {
  max-width: 1100px;
}
.contentboxari {
  padding-bottom: 120px;
}
img {
  max-width: 100% !important;
}
strong,
b {
  font-size: 15px;
}
h4 > b,
h4 > strong {
  font-size: 17px;
  font-weight: 600;
}

.articleContent,
.articleContent p {
  font-size: 15px !important;
  line-height: 30px;
  margin: 20px 0px;
  color: #5a5c76;
}

.articleContent ul,
.articleContent ol,
.articleContent li {
  list-style: unset;
  margin: 10px 10px;
}
.articleContent h4 {
  margin-bottom: 22px;
  margin-top: 48px;
  /* padding-top: 1px; */
  font-size: 18px !important;
}
.articleContent h4 > b,
.articleContent h4 > strong {
  font-size: 18px;
  font-weight: 600;
}
.articleTitle {
  padding-bottom: 40px;
  padding-top: 60px;
  padding-right: 0;
  font-size: 32px;
  color: #00182a;
  font-weight: 600;
  background-color: transparent;
}

/* !------------目录---------------------------------- */
.courseheader {
  background-color: #0b0c1b;
  padding: 29px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.courseheaderleft {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.courseheaderlogo img {
  width: 120px;
  height: auto;
  display: inline-block;
  vertical-align: middle;
}
.courseheadertitle {
  font-size: 18px;
  color: #fff;
  padding-left: 12px;
  margin-left: 12px;
  border-left: 1px solid #fff;
  line-height: 30px;
}
.courseheadergoback img {
  width: 24px;
  height: 24px;
}
.ArticleBox {
  display: flex;
  justify-content: space-between;
}
.Article {
  border-top: 1px solid #e6e6e6;
  padding-bottom: 0;
  padding-top: 40px;
  min-height: calc(100vh - 629px);
}

.Articletipbox {
  height: 100%;
  width: 380px;
  padding-right: 80px;
  position: sticky;
  top: 40px;
}
.Articletipbox.is-tight {
  top: 16px;
}
.Articletiptitle {
  font-size: 15px;
  color: #5a5c76;
  font-weight: 500;
  margin-bottom: 24px;
}
.Articletip {
  width: 100%;
  border-left: 2px solid #e6e6e6;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* 二级目录（h5）：缩进 + 更小字号 */
.ArticletipSub {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: -8px;
}
.ArticletipSubItem {
  font-size: 13px;
  border-left: 2px solid transparent !important;
  padding-left: 40px;
  color: #5a5c76;
  margin-left: -2px;
}

.articleTitleBox {
  background-color: transparent;
  background-image: none;
}
.Articletipitem {
  font-size: 15px;
  border-left: 2px solid transparent;
  padding-left: 24px;
  color: #5a5c76;
  margin-left: -2px;
}
.ArticletipActive a {
  color: #0b0c1b !important;
  border-color: #0b0c1b;
}
.ArticletipActive {
  border-color: #0b0c1b;
}

/* 二级目录激活态：不显示黑色边框，仅高亮文字 */
.ArticletipSubItem.ArticletipActive {
  border-color: transparent;
}
.ArticletipSubItem.ArticletipActive a {
  color: #0b0c1b !important;
}
.articleTitletag {
  font-size: 14px;
  color: #5a5c76;
  font-weight: 400;
  margin-bottom: 24px;
}
.page_tip {
  color: #0b0c1b;
}
.articleTitletime {
  font-size: 14px;
  color: #5a5c76;
  font-weight: 400;
  margin-top: 24px;
}
/* Featured promo card inside the right sidebar */
.promoCard {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid #e6e6e6;
}
.promoSection {
  color: #6b7280;
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 12px;
  margin-bottom: 24px;
  margin-top: 60px;
}
.promoTitle {
  font-size: 18px;
  font-weight: 600;
  color: #0b0c1b;
  margin-bottom: 10px;
}
.promoDesc {
  color: #5a5c76;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 16px;
}
.promoButton {
  display: inline-block;
  background-color: #0b0c1b;
  color: #fff;
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
  text-decoration: none;
}
.promoButton:hover {
  background-color: #1f2937;
}
.levelstar img {
  width: 15px;
  height: 15px;
  margin-right: 5px;
}
.newsContent {
  display: flex;
  align-items: center;
}
.moreimg img {
  width: 80px !important;
  height: 60px !important;
}
.coursesingerfooterbox {
  background-color: #f7f9fc;
}
.coursesingerfooter {
  padding: 24px 0;
  max-width: 1100px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.coursefooteritem {
  text-align: center;
  color: #5a5c76;
  width: 100%;
  font-size: 13px;
}
.coursesingerfooterright {
  display: flex;
  align-items: center;
}
.coursefotalmap {
  padding: 15px 50px;
  position: absolute;
  top: 0;
}
.coursefotal {
  display: none;
  position: absolute;
  background-color: #fff;
  width: 190px;
  padding-top: 0;
  border-radius: 10px;
  color: #1e336e;
  border: 1px solid #e3e5e7;
  padding: 5px;
  bottom: calc(100% + 4px);
  left: 0;
  z-index: 10;
}
.coursefotaltag {
  padding: 8px 12px;
  border-radius: 5px;
  font-size: 13px;
  cursor: pointer;
  opacity: 1;
  display: flex;
  align-items: center;
  justify-content: start;
}
.coursefotaltag img {
  width: 12px;
}
.coursefotaltag:hover {
  background-color: #f3f7fa;
}
.coursefotaltaglast {
  margin: 5px 8px;
  margin-right: 60%;
  border-top: 1px solid #e3e5e7;
}
.coursefooterbomleconimgicon {
  position: relative;
  margin-left: 24px;
}
.coursefooterbomletext1 {
  cursor: pointer;
  line-height: 18px;
  display: flex;
  color: #5a5c76;
  align-items: center;
  width: 118px;
}
.coursefooterbomletext1 img {
  margin-right: 13px;
  margin-left: 3px;
}
.coursefooterbomletext1left {
  width: 12px !important;
  margin-left: 4px;
}
.coursefooterbomletext1leftcut {
  transform: rotateZ(180deg);
}
.coursefooteritem br {
  display: none;
}
/* !------------手机端---------------------------------- */
@media only screen and (max-width: 1440px) {
  .articlecenterle,
  .Articletipbox {
    display: none;
  }
  .Articletipbox {
    margin-left: 40px;
    padding-right: 20px;
  }
  .articlecenterlecen {
    flex-shrink: 0;
  }
  .ArticleBox {
    justify-content: center;
  }
}

@media only screen and (max-width: 1200px) {
  .articlecenterlecen {
    max-width: 100%;
    flex-shrink: 0;
    padding-left: 40px;
    padding-right: 40px;
  }
  .coursesingerfooter {
    padding: 24px 20px;
  }
}
@media only screen and (max-width: 992px) {
  .articlecenterlecen {
    max-width: 100%;
    flex-shrink: 0;
    padding: 0;
  }
  .coursesingerfooter {
    flex-wrap: wrap;
  }
  .Article {
    padding: 0px;
  }
  .articleTitle {
    padding-right: 20px;
  }
  .articleTitle h1 {
    font-size: 24px;
    margin-top: 0 !important;
  }
  .level {
    width: 100%;
  }
  .levelbox {
    width: 50%;
  }
  blockquote {
    word-wrap: break-word !important; /* 当单词过长时进行断开 */
  }
  .coursefooterbomletext1 img {
    width: 12px !important;
    margin-left: 4px;
  }
  .articlecenterle,
  .Articletipbox {
    display: none;
  }
  .coursesingerfooter {
    padding: 24px 20px;
  }
  .coursefotal {
    right: 0;
    left: auto;
  }
}
/* 手机：更紧凑的边距与字号、摘要满宽 */
@media only screen and (max-width: 768px) {
  .coursesingerfooter {
    flex-wrap: wrap;
    justify-content: center;
  }
  .coursesingerfooterright {
    margin-top: 12px;
  }
  .coursesingerfooterleft {
    width: 100%;
  }
}

@media only screen and (max-width: 450px) {
  .coursefooteritem br {
    display: block;
  }
  .coursesingerfooterleft span {
    display: none;
  }
}