/* 技術文章與數位發現共用閱讀規範。
   個別文章仍可保留特色區塊，但字級、留白、圖片與連結行為由此統一。 */
.article,
.promo-hero,
main#top > .section {
  width: min(100%, 860px);
  margin-inline: auto;
}

.article h1,
.promo-hero h1 {
  text-wrap: balance;
}

.article-body,
main#top > .section {
  font-size: clamp(1rem, 0.96rem + 0.18vw, 1.08rem);
  line-height: 1.9;
}

.article-body h2,
main#top > .section h2 {
  line-height: 1.4;
  text-wrap: balance;
}

.article-body p,
main#top > .section p {
  overflow-wrap: anywhere;
}

.article-body a,
main#top > .section a,
.post-text a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.article-body a:hover,
.article-body a:focus-visible,
main#top > .section a:hover,
main#top > .section a:focus-visible,
.post-text a:hover,
.post-text a:focus-visible {
  text-decoration-thickness: 2px;
}

.article-body img,
.article-body video,
.hero-cover img,
.hero-visual img {
  display: block;
  max-width: 100%;
  height: auto;
  margin-inline: auto;
}

.article-body figure,
.hero-visual {
  margin: 28px 0;
}

.article-body figcaption,
.hero-visual figcaption {
  margin-top: 9px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.65;
  text-align: center;
}

.article-body table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
}

.article-body pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

@media (max-width: 720px) {
  .promo-hero,
  main#top > .section {
    padding-inline: 18px;
  }

  .article-body table {
    font-size: 0.88rem;
  }
}

/* Article page template styles */
      .article {
        max-width: 760px;
        margin: 0 auto;
        padding: clamp(48px, 8vw, 88px) clamp(18px, 5vw, 40px) clamp(60px, 8vw, 100px);
      }
      .article h1 {
        font-size: clamp(1.9rem, 4.6vw, 3rem);
        line-height: 1.2;
        margin: 12px 0 14px;
        font-weight: 500;
      }
      .article-meta {
        color: var(--muted);
        font-size: 0.9rem;
        margin: 0 0 6px;
      }
      .article-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin: 0 0 30px;
      }
      .article-tags span {
        font-size: 0.76rem;
        letter-spacing: 0.06em;
        color: var(--muted);
        border: 1px solid var(--line);
        border-radius: 999px;
        padding: 4px 12px;
      }
      .article-body {
        color: var(--ink);
        line-height: 1.9;
        font-size: 1.02rem;
      }
      .article-body h2 {
        font-size: clamp(1.3rem, 3vw, 1.7rem);
        margin: 40px 0 14px;
        font-weight: 500;
      }
      .article-body h3 {
        color: var(--cyan);
        font-size: 1.15rem;
        margin: 28px 0 10px;
      }
      .article-body p { margin: 0 0 18px; }
      .article-body ul,
      .article-body ol { margin: 0 0 18px; padding-left: 24px; }
      .article-body li { margin: 6px 0; }
      .article-body a { color: var(--accent); }
      .article-body img {
        max-width: 100%;
        height: auto;
        border-radius: var(--radius);
        border: 1px solid var(--line);
      }
      .article-body video {
        display: block;
        width: 100%;
        max-height: 78vh;
        margin: 0 0 18px;
        background: #000;
        border: 1px solid var(--line);
        border-radius: var(--radius);
      }
      .article-body blockquote {
        margin: 0 0 18px;
        padding: 8px 18px;
        border-left: 3px solid var(--accent);
        background: var(--tint-soft);
        color: var(--muted);
        border-radius: var(--radius);
      }
      .article-body pre {
        background: var(--code-bg);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        padding: 16px 18px;
        overflow-x: auto;
        margin: 0 0 18px;
      }
      .copy-block {
        position: relative;
        margin: 0 0 18px;
      }
      .copy-block pre {
        margin: 0;
        padding-top: 52px;
      }
      .copy-prompt-button {
        position: absolute;
        top: 10px;
        right: 10px;
        z-index: 1;
        appearance: none;
        border: 1px solid var(--line);
        border-radius: 999px;
        background: var(--card-base);
        color: var(--ink);
        padding: 5px 12px;
        font: inherit;
        font-size: 0.78rem;
        cursor: pointer;
      }
      .copy-prompt-button:hover,
      .copy-prompt-button:focus-visible { border-color: var(--accent); color: var(--accent); }
      .article-body code {
        font-family: "Cascadia Code", Consolas, "Noto Sans TC", monospace;
        font-size: 0.9rem;
      }
      .article-body :not(pre) > code {
        background: var(--code-bg);
        border: 1px solid var(--line);
        border-radius: 4px;
        padding: 1px 6px;
      }
      .article-body pre code { background: none; border: 0; padding: 0; }
      .article-body table {
        width: 100%;
        border-collapse: collapse;
        margin: 0 0 18px;
        font-size: 0.94rem;
      }
      .article-body th,
      .article-body td {
        border: 1px solid var(--line);
        padding: 8px 12px;
        text-align: left;
      }
      .article-back {
        display: inline-block;
        margin-top: 36px;
        color: var(--accent);
        font-size: 0.9rem;
        text-decoration: none;
      }
      .article-share {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        margin: 0 0 26px;
      }
      .article-share.is-bottom {
        margin: 44px 0 0;
        padding-top: 24px;
        border-top: 1px solid var(--line);
      }
      .article-share-label {
        font-size: 0.85rem;
        color: var(--muted);
        margin-right: 2px;
      }
      .article-share .share-btn {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font: inherit;
        font-size: 0.82rem;
        line-height: 1;
        cursor: pointer;
        text-decoration: none;
        color: inherit;
        background: transparent;
        border: 1px solid var(--line);
        border-radius: 999px;
        padding: 8px 14px;
        transition: border-color 0.2s ease, transform 0.2s ease, color 0.2s ease;
      }
      .article-share .share-btn:hover,
      .article-share .share-btn:focus-visible {
        border-color: var(--accent);
        color: var(--accent);
        transform: translateY(-1px);
      }
      .article-share .share-copy {
        color: var(--muted);
      }
      /* 分享列小圖示版（article-runtime.js 加上 .is-icons 後生效；與數位發現同一套樣式） */
      .article-share.is-icons .share-btn {
        position: relative;
        justify-content: center;
        width: 38px;
        height: 38px;
        min-height: 0;
        margin: 0;
        padding: 0;
        line-height: 0;
        background: var(--surface);
        border: 1px solid var(--line);
        -webkit-appearance: none;
        appearance: none;
        transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
      }
      .article-share.is-icons .share-btn svg { display: block; width: 19px; height: 19px; }
      .article-share.is-icons .share-btn > span { display: flex; line-height: 0; }
      .article-share.is-icons .share-btn.is-line { color: #06c755; --share-icon-cut: var(--surface); }
      .article-share.is-icons .share-btn.is-facebook { color: #1877f2; }
      .article-share.is-icons .share-btn.is-x,
      .article-share.is-icons .share-btn.is-threads { color: var(--ink); }
      .article-share.is-icons .share-btn.is-copy { color: var(--accent); }
      .article-share.is-icons .share-btn:hover,
      .article-share.is-icons .share-btn:focus-visible { color: #fff; transform: translateY(-1px); }
      .article-share.is-icons .share-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
      .article-share.is-icons .share-btn.is-line:hover,
      .article-share.is-icons .share-btn.is-line:focus-visible { background: #06c755; border-color: #06c755; --share-icon-cut: #06c755; }
      .article-share.is-icons .share-btn.is-facebook:hover,
      .article-share.is-icons .share-btn.is-facebook:focus-visible { background: #1877f2; border-color: #1877f2; }
      .article-share.is-icons .share-btn.is-x:hover,
      .article-share.is-icons .share-btn.is-x:focus-visible,
      .article-share.is-icons .share-btn.is-threads:hover,
      .article-share.is-icons .share-btn.is-threads:focus-visible { background: #111; border-color: #111; }
      [data-theme="dark"] .article-share.is-icons .share-btn.is-x:hover,
      [data-theme="dark"] .article-share.is-icons .share-btn.is-x:focus-visible,
      [data-theme="dark"] .article-share.is-icons .share-btn.is-threads:hover,
      [data-theme="dark"] .article-share.is-icons .share-btn.is-threads:focus-visible { background: #f2f2f2; border-color: #f2f2f2; color: #111; }
      .article-share.is-icons .share-btn.is-copy:hover,
      .article-share.is-icons .share-btn.is-copy:focus-visible,
      .article-share.is-icons .share-btn.is-done { background: var(--accent); border-color: var(--accent); color: #fff; }
      .article-share.is-icons .share-btn > .share-ico-done { display: none; }
      .article-share.is-icons .share-btn.is-done > .share-ico-copy { display: none; }
      .article-share.is-icons .share-btn.is-done > .share-ico-done { display: flex; }
      .article-share.is-icons .share-btn.is-done::after {
        content: "已複製";
        position: absolute;
        bottom: calc(100% + 6px);
        left: 50%;
        transform: translateX(-50%);
        padding: 3px 7px;
        border-radius: 6px;
        background: var(--ink);
        color: var(--surface);
        font-size: 0.72rem;
        line-height: 1.2;
        white-space: nowrap;
        pointer-events: none;
      }
      .article-share.is-icons .article-share-label { letter-spacing: 0.06em; }
      .article-share .share-count { color: var(--muted); font-size: 0.8rem; margin-left: 4px; }
      @media (prefers-reduced-motion: reduce) {
        .article-share.is-icons .share-btn { transition: none; }
        .article-share.is-icons .share-btn:hover { transform: none; }
      }