/* 知文AI 使用教程子站：设计令牌与组件继承 ../styles.css，本表只补教程页专属样式 */

/* 当前页导航高亮 */
.site-nav a[aria-current="page"] { color: #fff; }
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }

.guide-main { padding: 120px 0 96px; background: var(--paper); }
.guide-crumb { margin: 0 0 28px; font-size: 14px; }
.guide-crumb a { color: var(--muted); text-decoration: none; }
.guide-crumb a:hover { color: var(--gold-600); }

.guide-pagehead { max-width: 780px; margin-bottom: 56px; }
.guide-pagehead h1 { font-family: var(--serif); font-size: clamp(30px, 4vw, 44px); line-height: 1.25; margin: 10px 0 14px; color: var(--ink-deep); }
.guide-lead { font-size: 17px; color: var(--muted); line-height: 1.8; margin: 0; }

/* 四段式 */
.guide-sec { margin: 0 0 64px; scroll-margin-top: 96px; }
.guide-sec > h2 { position: relative; font-family: var(--serif); font-size: 26px; color: var(--ink-deep); margin: 0 0 18px; padding-left: 16px; }
.guide-sec > h2::before { content: ""; position: absolute; left: 0; top: 5px; bottom: 5px; width: 4px; border-radius: 2px; background: var(--gold-600); }
.guide-sec p { line-height: 1.85; }

/* 写公文五步锚点小节 */
.guide-substep { margin: 36px 0; scroll-margin-top: 96px; }
.guide-substep > h3 { font-family: var(--serif); font-size: 20px; color: var(--ink-deep); margin: 0 0 10px; }

/* 编号步骤（怎么用） */
.guide-steps { list-style: none; counter-reset: gstep; margin: 24px 0; padding: 0; display: grid; gap: 30px; }
.guide-steps > li { counter-increment: gstep; position: relative; padding-left: 48px; }
.guide-steps > li::before { content: counter(gstep); position: absolute; left: 0; top: 1px; width: 30px; height: 30px; border-radius: 50%; background: var(--navy-950); color: #fff; font: 600 14px/30px var(--sans); text-align: center; }
.guide-steps h3 { font-size: 17px; margin: 4px 0 8px; color: var(--ink-deep); }

/* 截图与 GIF */
.guide-figure { margin: 18px 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; box-shadow: var(--shadow-sm); background: #fff; }
.guide-figure img { display: block; width: 100%; height: auto; }
.guide-figure figcaption { padding: 10px 16px; font-size: 13px; color: var(--muted); border-top: 1px solid var(--line); }

/* 技巧与 FAQ */
.guide-tips { padding-left: 20px; }
.guide-tips li { margin-bottom: 10px; line-height: 1.8; }
.guide-faq details { border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin-bottom: 12px; background: var(--paper-soft); }
.guide-faq summary { cursor: pointer; font-weight: 600; color: var(--ink-deep); }
.guide-faq details p { margin: 10px 0 0; color: var(--muted); }

/* 占位（内容票填充前） */
.guide-todo { padding: 18px 20px; border: 1px dashed var(--line-dark); border-radius: 12px; color: var(--muted); background: var(--paper-soft); font-size: 14px; }

/* 页间导航 */
.guide-pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 72px; padding-top: 28px; border-top: 1px solid var(--line); font-size: 15px; }
.guide-pager a { color: var(--ink); text-decoration: none; font-weight: 600; }
.guide-pager a:hover { color: var(--gold-600); }
.guide-pager span { color: var(--muted-light); }

/* 目录页分组 */
.guide-groups { display: grid; gap: 56px; }
.guide-group > h2 { font-family: var(--serif); font-size: 24px; margin: 0 0 6px; color: var(--ink-deep); }
.guide-group-sub { color: var(--muted); font-size: 14px; margin: 0 0 20px; }

@media (max-width: 720px) {
  .guide-main { padding: 96px 0 72px; }
  .guide-pager { flex-direction: column; }
}