#article {
  background: #F9F9F9;
  margin-top: -20px;
  padding: 20px 0;
}
#article #article_content {
  background: #ffffff;
  margin-bottom: 20px;
  padding: 30px;
}
#article #article_content .article_title h1.section-heading {
  color: #565656;
  font-size: 1.5rem;
}
#article #article_content .author_date {
  color: #A3A3A3;
  fill: #A3A3A3;
  margin: 10px 0;
  font-size: 14px;
}
#article #article_content .author_date > div {
  display: inline-block;
}
#article #article_content .author_date svg, #article #article_content .author_date span {
  vertical-align: middle;
}
#article #article_content .article_author:after {
  content: "";
  border-right: 1px solid #A3A3A3;
  display: inline-block;
  height: 16px;
  margin: 0 8px 0 10px;
  vertical-align: middle;
}
#article #article_content .article_content {
  margin: 30px 0;
}
#article #article_content .article_tags_group {
  border-top: 1px solid rgba(0, 0, 0, 0.2);
  padding: 30px 0 10px;
}
#article #article_content .article_tags_group .tag_title {
  margin-right: 20px;
}
#article #article_content .article_tags_group .article_tags a {
  border: 1px solid #A3A3A3;
  border-radius: 5px;
  color: #A3A3A3;
  transition: all ease-in-out 0.15s;
  text-align: center;
  border-radius: 15px;
  display: inline-block;
  font-size: 0.9rem;
  margin: 5px;
  padding: 5px 15px;
  text-decoration: none;
}
#article #article_content .article_tags_group .article_tags a:hover {
  background: #A3A3A3;
  color: #ffffff;
}
#article .blog_info .row {
  margin: -10px -15px;
}
#article .blog_info .row .col-12 {
  padding: 10px 15px;
}
#article #all_blogs_title, #article #blog_tags, #article #selected_blog, #article #recent_articles {
  background: #ffffff;
  padding: 15px;
}
#article #all_blogs_title .blog_title, #article #blog_tags .blog_title, #article #selected_blog .blog_title, #article #recent_articles .blog_title {
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
  margin: 0 -15px 15px;
  padding: 0 15px 15px;
}
#article #all_blogs_title .blog_title > .div, #article #blog_tags .blog_title > .div, #article #selected_blog .blog_title > .div, #article #recent_articles .blog_title > .div {
  font-size: 1.1rem;
  line-height: 1.3rem;
}
#article #all_blogs_title .mobile_blogs_group, #article #blog_tags .mobile_blogs_group, #article #selected_blog .mobile_blogs_group, #article #recent_articles .mobile_blogs_group {
  display: none;
}
#article #all_blogs_title a {
  display: block;
  text-decoration: none;
  font-size: 16px;
  font-weight: 300;
  margin: 15px 12px auto;
  color: #A3A3A3;
}
#article #blog_tags a {
  display: inline-block;
  border: 1px solid #A3A3A3;
  border-radius: 5px;
  color: #A3A3A3;
  transition: all ease-in-out 0.15s;
  text-align: center;
  border-radius: 13px;
  font-size: 0.9rem;
  margin: 3px 0;
  padding: 3px 8px;
  text-decoration: none;
}
#article #blog_tags a:hover {
  background: #A3A3A3;
  color: #ffffff;
}
#article #selected_blog .selected_article {
  grid-template-rows: auto 50px 25px;
  grid-template-areas: "image" "title" "date";
}
#article #selected_blog .selected_article .article_image a {
  min-height: 150px;
  display: block;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}
#article #selected_blog .selected_article .article_image a img {
  width: 100%;
}
#article #selected_blog .selected_article .article_title a {
  color: #565656;
}
#article #selected_blog .selected_article .article_date {
  color: #808080;
  font-size: 14px;
}
#article #selected_blog .selected_article .article_tags {
  display: none;
}
#article #selected_blog .selected_article .article_title h3 {
  font-size: 1rem;
}
#article #recent_articles .recent_articles_group a {
  display: block;
  text-decoration: none;
  color: #565656;
  font-size: 16px;
  font-weight: 400;
  margin: 15px 0 0;
}
#article #recent_articles .recent_articles_group a span.circle_number {
  background: #FF6084;
  border-radius: 50%;
  color: #565656;
  width: 26px;
  height: 26px;
  font-size: 16px;
  line-height: 26px;
  display: inline-block;
  text-align: center;
  margin-right: 3px;
}
@media (max-width: 991px) {
  #article #article #article_content .article_tags_group .article_tags a {
    margin: 3px 0px;
  }
}
@media (max-width: 768px) {
  #article #article h1 {
    font-size: 25px;
    line-height: 30px;
  }
  #article #article #article_content .article_content {
    margin: 20px 0;
  }
}

/* === 文章內文樣式客製化 (H2, H3, H4, 內文) === */

/* H2: 1.5rem, 黑色, 左邊橘色裝飾線 */
#article #article_content .article_content h2 {
  font-size: 1.5rem;
  color: #000000;                 /* 黑色 */
  /*font-weight: bold;*/
  border-left: 5px solid #e67c20; /* 橘色裝飾線 */
  padding-left: 15px;             /* 讓文字不要貼著裝飾線 */
  margin-top: 35px;               /* 上方多留白，區隔上一段 */
  margin-bottom: 20px;            /* 下方留白 */
  line-height: 1.4;
}

/* H3: 1.3rem, 灰色 */
#article #article_content .article_content h3 {
  font-size: 1.2rem;
  color: #000000;
  margin-top: 20px;
  margin-bottom: 10px;
  line-height: 1.4;
}

/* H4: 1rem, 粗體, 橘底白字 */
#article #article_content .article_content h4 {
  font-size: 1rem;
  font-weight: bold;              /* 粗體 */
  background-color: #e67c20;      /* 橘底 */
  color: #ffffff;                 /* 白字 */
  padding: 8px 15px;              /* 內距：增加色塊的厚度 */
  border-radius: 4px;             /* 圓角：讓色塊比較圓潤 */
  margin-top: 15px;
  margin-bottom: 10px;
  display: inline-block;          /* 讓色塊只包住文字長度 (若想整行滿版請刪除此行) */
  line-height: 1.4;
}

/* 標準內文 (P) 與列表 (li): 1rem, 深灰色, 行距 1.5 */
#article #article_content .article_content p,
#article #article_content .article_content li {
  font-size: 1rem;
  color: #6c6c6c;                 /* 深灰色 */
  line-height: 1.5;               /* 行距 1.5 */
  /*margin-bottom: 15px;            /* 段落之間的距離 */
  letter-spacing: 0.5px;          /* 字距微調，閱讀較舒適 */
}