@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:400 700;font-display:optional;src:url(/assets/fonts/space-grotesk-latin.woff2) format('woff2')}
*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#050510;--text:#e2e8f0;--dim:#7b8ba0;--bright:#fff;--accent:#f97316;--purple:#8b5cf6;--card:rgba(255,255,255,.03);--border:rgba(255,255,255,.08)}
body{font-family:'Space Grotesk','PingFang TC','Microsoft JhengHei','Segoe UI',sans-serif;background:var(--bg);color:var(--text);line-height:1.6}

.nav{position:sticky;top:0;z-index:100;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;background:rgba(5,5,16,.9);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.nav-logo{font-size:18px;font-weight:700;color:var(--bright);text-decoration:none;display:flex;align-items:center;gap:10px}.nav-logo span{color:var(--accent)}
.nav-links{display:flex;gap:24px;list-style:none}
.nav-links a{font-size:13px;color:var(--dim);text-decoration:none;transition:color .2s}.nav-links a:hover{color:var(--bright)}
.nav-hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px;min-width:44px;min-height:44px;align-items:center;justify-content:center}
.nav-hamburger svg{width:28px;height:28px;stroke:var(--bright);stroke-width:2;stroke-linecap:round}
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(5,5,16,.98);backdrop-filter:blur(20px);flex-direction:column;padding:12px 20px;gap:0;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-links.open{display:flex}
  .nav-links a{display:block;padding:16px 12px;border-bottom:1px solid rgba(255,255,255,.05);font-size:16px;font-weight:600;color:var(--bright);letter-spacing:.3px}
  .nav-hamburger{display:block}
  .nav-cta{padding:7px 14px;font-size:12px;margin-left:auto;margin-right:8px}
}

.article-container{max-width:720px;margin:0 auto;padding:60px 24px 80px}
.article-back{display:inline-flex;align-items:center;gap:6px;color:var(--dim);text-decoration:none;font-size:13px;margin-bottom:32px;transition:color .2s}
.article-back:hover{color:var(--accent)}
.article-back svg{width:16px;height:16px}

.article-meta{display:flex;align-items:center;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.article-tag{display:inline-block;padding:4px 12px;background:rgba(249,115,22,.1);color:var(--accent);border-radius:100px;font-size:12px;font-weight:600}
.article-date{font-size:13px;color:var(--dim)}
.article-readtime{font-size:13px;color:var(--dim)}

.article-title{font-size:clamp(28px,5vw,42px);font-weight:900;color:var(--bright);line-height:1.25;margin-bottom:16px}
.article-excerpt{font-size:17px;color:var(--dim);line-height:1.7;margin-bottom:40px;padding-bottom:32px;border-bottom:1px solid var(--border)}

.article-content{font-size:16px;line-height:1.85;color:var(--text)}
.article-content h2{font-size:24px;font-weight:800;color:var(--bright);margin:40px 0 16px}
.article-content h3{font-size:20px;font-weight:700;color:var(--bright);margin:32px 0 12px}
.article-content p{margin-bottom:20px}
.article-content ul,.article-content ol{margin:0 0 20px 24px}
.article-content li{margin-bottom:8px}
.article-content blockquote{border-left:3px solid var(--accent);padding:16px 20px;margin:24px 0;background:rgba(249,115,22,.04);border-radius:0 12px 12px 0;font-style:italic;color:var(--dim)}
.article-content a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.article-content img{max-width:100%;border-radius:12px;margin:24px 0}
.article-content code{background:rgba(255,255,255,.06);padding:2px 6px;border-radius:4px;font-size:14px}
.article-content pre{background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:12px;padding:20px;margin:24px 0;overflow-x:auto}
.article-content pre code{background:none;padding:0}
.article-content strong{color:var(--bright);font-weight:700}

.share-bar{display:flex;align-items:center;gap:12px;margin-top:48px;padding-top:32px;border-top:1px solid var(--border)}
.share-bar span{font-size:13px;color:var(--dim)}
.share-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;background:var(--card);border:1px solid var(--border);color:var(--dim);cursor:pointer;transition:all .2s;text-decoration:none}
.share-btn:hover{border-color:rgba(249,115,22,.3);color:var(--accent);background:rgba(249,115,22,.06)}
.share-btn svg{width:18px;height:18px}

.related{max-width:720px;margin:0 auto;padding:0 24px 80px}
.related h2{font-size:20px;font-weight:700;color:var(--bright);margin-bottom:24px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.related-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;text-decoration:none;color:inherit;transition:transform .2s,border-color .2s}
.related-card:hover{transform:translateY(-2px);border-color:rgba(249,115,22,.3)}
.related-card-tag{display:inline-block;padding:2px 8px;background:rgba(249,115,22,.1);color:var(--accent);border-radius:100px;font-size:10px;font-weight:600;margin-bottom:6px}
.related-card h3{font-size:15px;font-weight:700;color:var(--bright);margin-bottom:6px;line-height:1.4}
.related-card p{font-size:13px;color:var(--dim);line-height:1.5}

.article-loading{text-align:center;padding:120px 24px;color:var(--dim)}
.article-loading .spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 16px}
@keyframes spin{to{transform:rotate(360deg)}}
.article-error{text-align:center;padding:120px 24px}
.article-error h2{font-size:24px;color:var(--bright);margin-bottom:12px}
.article-error p{color:var(--dim);margin-bottom:24px}
.btn-outline{display:inline-block;padding:10px 24px;border:1px solid var(--border);color:var(--bright);text-decoration:none;border-radius:100px;font-size:14px;transition:all .2s}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}

.blog-cta{text-align:center;padding:48px 24px 80px}
.blog-cta h2{font-size:24px;color:var(--bright);margin-bottom:12px}
.blog-cta p{color:var(--dim);margin-bottom:24px}
.btn-glow{display:inline-block;padding:14px 36px;background:linear-gradient(135deg,var(--accent),#ea580c);color:#fff;text-decoration:none;border-radius:100px;font-size:15px;font-weight:700;transition:all .3s}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(249,115,22,.3)}

.footer{padding:24px;text-align:center;font-size:11px;color:var(--dim);border-top:1px solid var(--border)}
.footer a{color:var(--dim);text-decoration:none;margin:0 6px}.footer a:hover{color:var(--accent)}

/* Skip to content link (a11y) */
.skip-link{position:absolute;top:-100%;left:16px;background:var(--accent);color:#fff;padding:8px 16px;border-radius:8px;z-index:9999;font-weight:600;text-decoration:none;font-size:14px;transition:top .2s}.skip-link:focus{top:8px}


.article-toc{background:rgba(249,115,22,.04);border:1px solid rgba(249,115,22,.1);border-radius:14px;padding:18px 20px;margin-bottom:28px}
.toc-title{font-size:14px;font-weight:700;color:var(--accent);margin-bottom:10px}
.toc-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}
.toc-list a{font-size:14px;color:var(--dim);text-decoration:none;padding:6px 10px;border-radius:8px;display:block;transition:all .2s;border-left:2px solid transparent}
.toc-list a:hover{color:var(--bright);background:rgba(255,255,255,.03);border-left-color:var(--accent)}

[data-csp-s="xb396bac4"]{stop-color:#f97316}
[data-csp-s="x1084ff2d"]{stop-color:#fb923c}
[data-csp-s="xcb458930"]{display:none}

/* 2026-08-07 靜態化後補：目錄清單與上下篇。
   .article-toc / .toc-title / .share-bar / .share-btn 原本就有樣式（舊動態版留下的），
   缺的是目錄裡的 ol/li/a 與整個 .article-pager。色票沿用站上既有變數。 */
.article-toc ol{margin:0;padding-left:20px;display:grid;gap:6px}
.article-toc li{font-size:14px;line-height:1.6;color:var(--dim)}
.article-toc li::marker{color:var(--accent);font-weight:700}
.article-toc a{color:var(--dim);text-decoration:none;border-bottom:1px solid transparent;transition:all .18s}
.article-toc a:hover{color:var(--bright);border-bottom-color:var(--accent)}

.article-pager{display:grid;gap:12px;margin-top:32px;padding-top:28px;border-top:1px solid var(--border)}
@media(min-width:640px){.article-pager{grid-template-columns:1fr 1fr}}
.article-pager a{display:block;padding:14px 16px;border:1px solid var(--border);border-radius:12px;
  background:var(--card);color:var(--bright);text-decoration:none;font-size:14px;line-height:1.5;
  transition:border-color .18s,transform .18s}
.article-pager a:hover{border-color:var(--accent);transform:translateY(-1px)}
.article-pager span{display:block;font-size:12px;color:var(--accent);font-weight:700;margin-bottom:4px}
.article-pager .pager-next{text-align:right}

/* 手機閱讀字級：16px 對中文長文偏小，提到 17px（桌機維持原本設定） */
@media(max-width:640px){.article-content{font-size:17px}}