/**
 * Article Page - mai.co Inspired Style
 *
 * Design principles based on mai.co:
 * - Sans-serif fonts for clarity
 * - Wide content area (~800px)
 * - Bold headings with border separators
 * - Heavy use of bold text for emphasis
 * - Clean tables for comparisons
 * - Dark code blocks
 * - Black and white color scheme, minimalist professional
 */

/* ============ Page Setup ============ */
.article-page.article-mai-style {
  background: #fff;
}

.article-page.article-mai-style .article-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 32px 100px;
  position: relative;
}

/* ============ Article Header ============ */
.article-page.article-mai-style .article-header {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid #e5e5e5;
}

.article-page.article-mai-style .article-title {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #111;
  margin: 0 0 20px;
}

.article-page.article-mai-style .article-meta {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 14px;
  color: #666;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
}

.article-page.article-mai-style .article-meta .article-author {
  font-weight: 500;
  color: #333;
}

.article-page.article-mai-style .article-meta .sep {
  margin: 0 8px;
  color: #ccc;
}

/* ============ Article Body ============ */
.article-page.article-mai-style .article-body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 18px;
  line-height: 1.8;
  color: #222;
}

.article-page.article-mai-style .article-body > *:first-child {
  margin-top: 0;
}

/* Headings - mai.co style, simple and bold */
.article-page.article-mai-style .article-body h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin: 56px 0 24px;
  color: #111;
}

.article-page.article-mai-style .article-body h2 {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.3;
  margin: 48px 0 20px;
  color: #111;
}

.article-page.article-mai-style .article-body h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  margin: 40px 0 16px;
  color: #111;
}

.article-page.article-mai-style .article-body h4 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  margin: 32px 0 12px;
  color: #111;
}

/* Paragraphs */
.article-page.article-mai-style .article-body p {
  margin: 0 0 24px;
}

/* Lists - mai.co style with bold lead */
.article-page.article-mai-style .article-body ul,
.article-page.article-mai-style .article-body ol {
  margin: 0 0 28px;
  padding-left: 24px;
}

.article-page.article-mai-style .article-body li {
  margin-bottom: 12px;
  line-height: 1.7;
}

.article-page.article-mai-style .article-body li > ul,
.article-page.article-mai-style .article-body li > ol {
  margin: 12px 0 0;
}

/* Blockquote - subtle if any remain */
.article-page.article-mai-style .article-body blockquote {
  margin: 24px 0;
  padding: 0 0 0 20px;
  background: transparent;
  border-left: 3px solid #ddd;
  border-radius: 0;
}

.article-page.article-mai-style .article-body blockquote p {
  margin-bottom: 16px;
  color: #444;
}

.article-page.article-mai-style .article-body blockquote p:last-child {
  margin-bottom: 0;
}

/* Strong & Emphasis - heavy bold for mai.co style */
.article-page.article-mai-style .article-body strong {
  font-weight: 700;
  color: #111;
}

.article-page.article-mai-style .article-body em {
  font-style: italic;
}

/* Links */
.article-page.article-mai-style .article-body a {
  color: #0066cc;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.article-page.article-mai-style .article-body a:hover {
  border-bottom-color: #0066cc;
}

/* Horizontal Rule - subtle if any remain */
.article-page.article-mai-style .article-body hr {
  border: none;
  border-top: 1px solid #eee;
  margin: 40px 0;
}

/* Code - subtle inline code, minimal code blocks */
.article-page.article-mai-style .article-body code {
  font-family: 'SF Mono', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.9em;
  background: #f5f5f5;
  color: #333;
  padding: 2px 6px;
  border-radius: 3px;
}

.article-page.article-mai-style .article-body pre {
  background: #fafafa;
  border: 1px solid #e5e5e5;
  color: #333;
  padding: 20px 24px;
  border-radius: 4px;
  overflow-x: auto;
  margin: 24px 0;
  font-size: 14px;
  line-height: 1.7;
}

.article-page.article-mai-style .article-body pre code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
}

/* Tables - if any remain, make them subtle */
.article-page.article-mai-style .article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 16px;
}

.article-page.article-mai-style .article-body th,
.article-page.article-mai-style .article-body td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid #e5e5e5;
}

.article-page.article-mai-style .article-body th {
  font-weight: 600;
  color: #111;
  background: transparent;
  border-bottom: 2px solid #111;
}

.article-page.article-mai-style .article-body tr:hover td {
  background: transparent;
}

/* Images */
.article-page.article-mai-style .article-body img {
  max-width: 100%;
  height: auto;
  margin: 32px 0;
  border-radius: 8px;
}

/* ============ Article Footer ============ */
.article-page.article-mai-style .article-footer {
  margin-top: 72px;
  padding-top: 36px;
  border-top: 1px solid #e0e0e0;
}

.article-page.article-mai-style .article-community,
.blog-community .article-community {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 32px;
  background: #fafafa;
  border: 1px solid #eee;
  border-radius: 8px;
  margin-bottom: 28px;
}

.article-page.article-mai-style .article-community__info,
.blog-community .article-community__info {
  flex: 1;
}

.article-page.article-mai-style .article-community__title,
.blog-community .article-community__title {
  font-size: 17px;
  font-weight: 700;
  color: #111;
  margin: 0 0 8px;
}

.article-page.article-mai-style .article-community__desc,
.blog-community .article-community__desc {
  font-size: 15px;
  color: #555;
  margin: 0 0 12px;
  line-height: 1.6;
}

.article-page.article-mai-style .article-community__wechat,
.blog-community .article-community__wechat {
  font-size: 14px;
  color: #666;
  margin: 0;
}

.article-page.article-mai-style .article-community__wechat strong,
.blog-community .article-community__wechat strong {
  color: #111;
  font-weight: 600;
}

.article-page.article-mai-style .article-community__qr,
.blog-community .article-community__qr {
  flex-shrink: 0;
}

.article-page.article-mai-style .article-community__qr img,
.blog-community .article-community__qr img {
  width: 120px;
  height: 120px;
  border-radius: 6px;
  margin: 0;
}

.article-page.article-mai-style .article-community p,
.blog-community .article-community p {
  margin: 0;
}

.article-page.article-mai-style .article-community a,
.blog-community .article-community a {
  color: #111;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  border-bottom: 2px solid #111;
}

.article-page.article-mai-style .article-community a:hover,
.blog-community .article-community a:hover {
  opacity: 0.7;
}

.article-page.article-mai-style .article-back {
  display: inline-block;
  font-size: 15px;
  color: #666;
  text-decoration: none;
  font-weight: 500;
}

.article-page.article-mai-style .article-back:hover {
  color: #111;
}

/* ============ TOC - Floating sidebar on wide screens ============ */
.article-page.article-mai-style .article-toc {
  display: none;
}

@media (min-width: 1280px) {
  .article-page.article-mai-style .article-main {
    max-width: 920px;
    margin: 0 auto;
    padding: 60px 40px 100px;
  }

  .article-page.article-mai-style .article {
    max-width: 100%;
  }

  .article-page.article-mai-style .article-toc {
    display: block;
    position: fixed;
    top: 140px;
    left: calc(50% + 500px);
    width: 180px;
    max-height: calc(100vh - 200px);
    overflow-y: auto;
    font-size: 13px;
    line-height: 1.5;
  }

  .article-page.article-mai-style .article-toc__title {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #999;
    margin: 0 0 16px;
  }

  .article-page.article-mai-style .article-toc__list {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .article-page.article-mai-style .article-toc__list li {
    padding: 8px 0;
    border-left: 2px solid #e5e5e5;
    padding-left: 12px;
    margin-left: 0;
    margin-bottom: 0;
  }

  .article-page.article-mai-style .article-toc__list a {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #666;
    text-decoration: none;
    display: block;
    transition: color 0.15s;
  }

  .article-page.article-mai-style .article-toc__list a:hover {
    color: #111;
  }

  .article-page.article-mai-style .article-toc__list li.active {
    border-left-color: #111;
  }

  .article-page.article-mai-style .article-toc__list a.active {
    color: #111;
    font-weight: 600;
  }
}

@media (min-width: 1440px) {
  .article-page.article-mai-style .article-main {
    max-width: 960px;
  }

  .article-page.article-mai-style .article-toc {
    left: calc(50% + 520px);
    width: 200px;
  }
}

@media (min-width: 1600px) {
  .article-page.article-mai-style .article-main {
    max-width: 1000px;
  }

  .article-page.article-mai-style .article-toc {
    left: calc(50% + 560px);
  }
}

/* ============ Responsive ============ */
@media (max-width: 768px) {
  .article-page.article-mai-style .article-main {
    padding: 32px 20px 60px;
  }

  .article-page.article-mai-style .article-title {
    font-size: 28px;
  }

  .article-page.article-mai-style .article-body {
    font-size: 16px;
  }

  .article-page.article-mai-style .article-body h2 {
    font-size: 22px;
    margin: 40px 0 16px;
  }

  .article-page.article-mai-style .article-body h3 {
    font-size: 18px;
    margin: 32px 0 12px;
  }

  .article-page.article-mai-style .article-body blockquote {
    padding: 16px 20px;
  }

  .article-page.article-mai-style .article-body table {
    font-size: 14px;
  }

  .article-page.article-mai-style .article-body th,
  .article-page.article-mai-style .article-body td {
    padding: 10px 12px;
  }

  .article-page.article-mai-style .article-community {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
  }

  .article-page.article-mai-style .article-community__info {
    order: 2;
  }

  .article-page.article-mai-style .article-community__qr {
    order: 1;
  }
}

@media (max-width: 480px) {
  .article-page.article-mai-style .article-title {
    font-size: 24px;
  }

  .article-page.article-mai-style .article-body {
    font-size: 15px;
  }

  .article-page.article-mai-style .article-body pre {
    padding: 16px;
    font-size: 13px;
  }
}