/* Post / article — runoob article-heading + article-body */
.rn-article-heading {
  background: #fbfbfb;
  border-bottom: 1px solid var(--rn-border);
  padding: 20px 30px;
}

.rn-post-title {
  margin: 0 0 8px;
  font-size: 1.8em;
  line-height: 1.4;
  color: #333;
  font-weight: 700;
}

.rn-post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-size: 13px;
  color: var(--rn-text-muted);
}

.rn-post-meta a {
  color: var(--rn-text-muted);
}

.rn-article-body,
.rn-content {
  padding: 16px 30px 28px;
  font-size: 14px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: var(--rn-text);
  word-break: break-word;
}

.rn-content h2 {
  font-size: 1.5em;
  margin: 1.2em 0 0.5em;
  line-height: 1.5;
  color: #333;
  border-bottom: 1px solid var(--rn-border);
  padding-bottom: 0.3em;
}

.rn-content h3 {
  font-size: 1.25em;
  font-weight: 700;
  color: #333;
  margin: 1em 0 0.4em;
}

.rn-content a {
  color: var(--rn-link);
  text-decoration: underline;
}

.rn-content a:hover {
  color: var(--rn-primary-hover);
}

.rn-content img {
  border: 1px solid var(--rn-border);
  padding: 2px;
  background: #fff;
}

/* Example box */
.rn-example,
.rn-content .example,
.rn-content div.example {
  border: 1px solid rgba(0, 0, 0, 0.06);
  margin: 1.2em 0;
  border-radius: var(--rn-radius);
  overflow: hidden;
  background: #fff;
}

.rn-example__head,
.rn-content .example > h2,
.rn-content .example > .example-title {
  margin: 0 !important;
  padding: 8px 14px !important;
  background: var(--rn-primary) !important;
  color: #fff !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  border: 0 !important;
}

.rn-example__body,
.rn-content .example_code,
.rn-content .example > pre {
  margin: 0;
  padding: 8px 12px;
  background-color: var(--rn-bg-code);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
  border: 0;
  font-size: 13px;
  line-height: 1.6;
  font-family: var(--rn-font-mono);
}

.rn-btn-try,
.rn-content a.tryit,
.rn-content a.tryitbtn,
a.rn-try,
a.tryitbtn {
  display: inline-block !important;
  margin-top: 8px;
  margin-left: 0;
  margin-bottom: 5px;
  padding: 4px 12px !important;
  background-color: #8ca86d !important;
  color: #fff !important;
  border-radius: 2px;
  text-decoration: none !important;
  font-size: 14px;
  font-weight: 700;
  border: 0;
}

.rn-btn-try:hover,
.rn-content a.tryit:hover,
.rn-content a.tryitbtn:hover,
a.rn-try:hover,
a.tryitbtn:hover {
  background-color: #9ab782 !important;
  color: #fff !important;
}

.rn-tip,
.rn-content .tip,
.rn-content .note {
  padding: 12px 16px;
  margin: 1em 0;
  background: var(--rn-primary-soft);
  border-left: 4px solid var(--rn-primary);
}

.rn-warning,
.rn-content .warning {
  padding: 12px 16px;
  margin: 1em 0;
  background: #fff8e6;
  border-left: 4px solid var(--rn-warning);
}

.rn-danger,
.rn-content .danger {
  padding: 12px 16px;
  margin: 1em 0;
  background: #fff1ee;
  border-left: 4px solid var(--rn-danger);
}

/* Prev / next — runoob previous-next-links */
.rn-pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  line-height: 24px;
  overflow: hidden;
  padding: 12px 30px;
  background: #fbfbfb;
  border-top: 1px solid var(--rn-border);
  border-bottom: 1px solid var(--rn-border);
  color: #8590a6;
  font-size: 15px;
  box-shadow: 0 1px 3px rgba(0, 37, 55, 0.05);
}

.rn-pager a {
  color: grey;
  text-decoration: none;
  flex: 1;
}

.rn-pager a:hover {
  color: var(--rn-primary-dark);
}

.rn-pager__label {
  display: block;
  font-size: 12px;
  color: #8590a6;
  margin-bottom: 2px;
}

.rn-pager__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--rn-text);
}

.rn-pager__next {
  text-align: right;
}

/* Comments as「用户笔记」*/
.rn-notes {
  margin: 0;
  padding: 20px 30px 28px;
  border-top: 2px solid var(--rn-primary);
  background: #fff;
}

.rn-notes__title {
  margin: 0 0 16px;
  font-size: 18px;
  color: var(--rn-text);
  border: 0;
  padding: 0;
}

.rn-toc {
  background: #fbfbfb;
  border: 1px solid var(--rn-border);
  padding: 12px 16px;
  margin: 0 30px 16px;
  border-radius: var(--rn-radius);
  font-size: 13px;
}

.rn-toc__title {
  font-weight: 700;
  margin: 0 0 8px;
  font-size: 14px;
}

.rn-toc ul {
  margin: 0;
  padding-left: 1.2em;
}

.rn-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.rn-list__item {
  padding: 16px 0;
  border-bottom: 1px solid var(--rn-border);
}

.rn-list__item h2 {
  margin: 0 0 8px;
  border: 0;
  padding: 0;
  font-size: 1.15rem;
}

.rn-list__item h2 a {
  color: var(--rn-text);
  text-decoration: none;
}

.rn-list__item h2 a:hover {
  color: var(--rn-primary-dark);
}

.rn-list__excerpt {
  color: var(--rn-text-muted);
  font-size: 13px;
  margin: 0;
}

.rn-page-head {
  margin-bottom: 20px;
}

.rn-page-head h1 {
  margin: 0 0 8px;
}

.rn-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.rn-tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--rn-primary-soft);
  color: var(--rn-primary-dark);
  border-radius: var(--rn-radius);
  font-size: 13px;
  text-decoration: none;
}

.rn-tag:hover {
  background: var(--rn-primary);
  color: #fff;
  text-decoration: none;
}

.rn-tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.rn-tool-item {
  display: block;
  padding: 14px 12px;
  background: #f6f6f6;
  text-align: center;
  text-decoration: none;
  color: var(--rn-text);
  border-radius: 5px;
  font-size: 13px;
  transition: background 0.15s;
}

.rn-tool-item:hover {
  background: var(--rn-primary-soft);
  color: var(--rn-primary-dark);
  text-decoration: none;
}

/* Standalone article page wrapper */
.rn-article-page {
  max-width: 900px;
  margin: 16px auto 32px;
  padding: 0 10px;
}

.rn-article-page .rn-doc__content {
  display: block;
}

/* 主题设置关闭「尝试一下」样式时隐藏 */
.rn-no-try .tryit,
.rn-no-try .rn-try,
.rn-no-try a.tryitbtn,
.rn-no-try .example .tryit {
  display: none !important;
}