/* 教程列表、分类页与文章详情（原版模板）。配色、按钮、卡片、页头页脚沿用 storefront.css，这里只放教程页自己的版式。 */
/* storefront.css 给所有 header / section 写了吸顶和上下留白，正文里的标题块和区块要还原。 */
.list-head,.article-head {position:static;z-index:auto;background:none;backdrop-filter:none;border:0;}
.article-cta,.related {padding:0;}

.articles-page,.article-page {padding:36px 0 88px;}
.breadcrumb {display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:13px;color:var(--ink-3);margin-bottom:26px;}
.breadcrumb a {color:var(--ink-2);}
.breadcrumb a:hover {color:var(--green);}
.breadcrumb [aria-current] {color:var(--ink-2);max-width:40em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* 列表页 */
.list-head {margin-bottom:26px;}
.list-kicker {display:inline-flex;align-items:center;background:var(--green-bg);color:var(--green-dark);font-size:13px;font-weight:600;padding:5px 14px;border-radius:999px;margin-bottom:14px;}
.list-head h1 {font-size:clamp(30px,4vw,42px);line-height:1.2;font-weight:800;letter-spacing:-1px;}
.list-lede {max-width:40em;margin-top:12px;font-size:16px;color:var(--ink-2);}
.cat-bar {display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px;}
.cat-bar a {background:var(--card);border:1px solid var(--line);border-radius:999px;padding:7px 18px;font-size:14px;font-weight:600;color:var(--ink-2);transition:border-color .2s,color .2s,background .2s;}
.cat-bar a:hover {border-color:var(--green);color:var(--green);}
.cat-bar a.is-active {background:var(--green);border-color:var(--green);color:#fff;}
.list-empty {padding:48px 20px;text-align:center;background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);color:var(--ink-2);}
.list-empty a {color:var(--green-dark);text-decoration:underline;}
.pager {display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;margin-top:36px;}
.pager a {justify-self:start;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 20px;font-weight:600;transition:border-color .2s,color .2s;}
.pager a[rel="next"] {justify-self:end;}
.pager a:hover {border-color:var(--green);color:var(--green);}
.pager-no {font-size:14px;color:var(--ink-3);}

/* 详情页：正文 + 右侧目录 */
.article-layout {display:grid;grid-template-columns:minmax(0,760px);justify-content:center;gap:48px;}
.article-page .container {max-width:1180px;}
.article-layout.has-toc {grid-template-columns:minmax(0,760px) 320px;gap:32px;}
.article {min-width:0;}
.article-head {display:grid;gap:14px;margin-bottom:28px;}
.article-head h1 {font-size:clamp(26px,3.6vw,38px);line-height:1.35;font-weight:800;letter-spacing:-.5px;}
.article-head .tag {transition:background .2s;}
.article-head a.tag:hover {background:var(--green-bg);color:var(--green-dark);}
.article-meta {display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13px;color:var(--ink-3);}
.article-summary {font-size:16.5px;color:var(--ink-2);background:var(--green-bg);border-left:4px solid var(--green);border-radius:0 12px 12px 0;padding:12px 16px;}
.article-cover {margin:0 0 28px;}
.article-cover img {width:100%;border-radius:var(--radius);border:1px solid var(--line);}

.article-body {font-size:16.5px;line-height:1.9;color:#374151;overflow-wrap:anywhere;}
.article-body>*+* {margin-top:16px;}
.article-body h2,.article-body h3,.article-body h4 {color:var(--ink);line-height:1.4;scroll-margin-top:84px;}
.article-body h2 {font-size:25px;font-weight:800;margin-top:44px;padding-left:14px;border-left:5px solid var(--green);}
.article-body h3 {font-size:20px;font-weight:700;margin-top:34px;}
.article-body h4 {font-size:17px;font-weight:700;margin-top:26px;}
.article-body strong {color:var(--ink);font-weight:700;}
.article-body a {color:var(--green-dark);font-weight:600;text-decoration:underline;text-decoration-color:rgba(7,193,96,.45);text-decoration-thickness:2px;text-underline-offset:3px;}
.article-body a:hover {color:var(--green);text-decoration-color:var(--green);}
.article-body ul,.article-body ol {padding-left:1.5em;}
.article-body li+li {margin-top:6px;}
.article-body li>ul,.article-body li>ol {margin-top:6px;}
.article-body code {font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em;background:#f1f5f3;border-radius:6px;padding:1px 6px;}
.article-body pre {background:#0d2b1e;color:#d1fae5;border-radius:14px;padding:18px 20px;overflow-x:auto;line-height:1.65;}
.article-body pre code {background:none;padding:0;font-size:14px;color:inherit;}
.article-body blockquote {border-left:4px solid var(--green);background:var(--card);border-radius:0 14px 14px 0;padding:14px 18px;color:var(--ink-2);box-shadow:0 1px 0 var(--line);}
.article-body blockquote>*+* {margin-top:10px;}
.article-body hr {border:0;border-top:1px dashed #d1d5db;margin:36px 0;}
.article-body figure {margin:28px 0;}
.article-body img {display:block;border-radius:14px;border:1px solid var(--line);margin-inline:auto;height:auto;}
.article-body figcaption {margin-top:10px;text-align:center;font-size:13px;color:var(--ink-3);}
.table-scroll {overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--card);}
.article-body table {width:100%;border-collapse:collapse;font-size:15px;line-height:1.6;}
.article-body th {background:var(--green-bg);color:var(--green-dark);font-weight:700;text-align:left;padding:11px 14px;white-space:nowrap;}
.article-body td {padding:10px 14px;border-top:1px solid var(--line);}
.article-body .ta-r {text-align:right;}
.article-body .ta-c {text-align:center;}

.toc-side {position:relative;}
.toc-side .toc {position:sticky;top:88px;max-height:calc(100vh - 110px);overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 18px 18px 20px;}
.toc-title {font-size:13px;font-weight:700;color:var(--ink);margin-bottom:10px;}
.toc ol {list-style:none;display:grid;gap:8px;font-size:14px;line-height:1.5;}
.toc a {color:var(--ink-2);}
.toc a:hover {color:var(--green);}
.toc .toc-l3 {padding-left:14px;font-size:13px;}
/* 手机目录沿用首页 FAQ 的折叠卡片样式（storefront.css 的 details/summary）。 */
.toc-mobile {display:none;margin-bottom:24px;}
.toc-mobile ol {padding:0 22px 16px;}

/* 上一篇 / 下一篇 */
.article-adjacent {display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:44px;padding-top:28px;border-top:1px dashed #d1d5db;}
.adjacent-link {display:flex;flex-direction:column;gap:6px;min-width:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;transition:border-color .2s,box-shadow .2s,transform .2s;}
.adjacent-link.is-next {text-align:right;align-items:flex-end;}
a.adjacent-link:hover {border-color:rgba(7,193,96,.45);transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.08);}
.adjacent-label {font-size:12.5px;font-weight:600;color:var(--green-dark);}
.adjacent-title {font-size:15px;font-weight:700;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.adjacent-link.is-empty {background:transparent;border-style:dashed;}
.adjacent-link.is-empty .adjacent-label,.adjacent-link.is-empty .adjacent-title {color:var(--ink-3);font-weight:500;}

/* 文末下单引导（沿用首页「充值流程」的深绿卡）与推荐阅读 */
.article-cta {display:flex;align-items:center;justify-content:space-between;gap:24px 40px;flex-wrap:wrap;margin:60px auto 0;max-width:1060px;background:linear-gradient(135deg,#0d2b1e,#123a29);color:#fff;border-radius:24px;padding:34px 40px;}
.article-cta h2 {font-size:23px;font-weight:800;margin:6px 0;}
.article-cta p {color:rgba(255,255,255,.65);font-size:15px;}
.article-cta .cta-kicker {font-size:13px;font-weight:700;color:#4ade80;}
.article-cta .btn {display:inline-flex;align-items:center;gap:10px;}
.btn-price {font-size:13px;font-weight:700;padding:2px 10px;border-radius:999px;background:rgba(255,255,255,.2);}
.related {margin:60px auto 0;max-width:1060px;}
.related h2 {font-size:26px;font-weight:800;letter-spacing:-.5px;margin-bottom:22px;}

@media (max-width:1160px){
  .article-layout.has-toc {grid-template-columns:minmax(0,760px);}
  .toc-side {display:none;}
  .toc-mobile {display:block;}
}
@media (max-width:640px){
  .articles-page,.article-page {padding:22px 0 56px;}
  .breadcrumb {margin-bottom:18px;}
  .article-body {font-size:16px;line-height:1.85;}
  .article-body h2 {font-size:21px;margin-top:38px;}
  .article-body h3 {font-size:18px;}
  .article-cta {padding:26px 22px;margin-top:44px;border-radius:20px;}
  .article-cta .btn {width:100%;justify-content:center;}
  .related {margin-top:44px;}
  .related h2 {font-size:22px;}
  .pager a {padding:8px 12px;font-size:14px;}
  .article-adjacent {grid-template-columns:1fr;margin-top:34px;}
  .adjacent-link.is-next {text-align:left;align-items:flex-start;}
}