:root { --brand: #167a55; --ink: #203c32; --muted: #66736f; --line: #dbe5e1; --paper: #fff; --soft: #f5f8f6; --accent: #167a55; }
* { box-sizing: border-box; }
body { margin: 0; background: #f5f8f6; color: var(--ink); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; line-height: 1.75; }
a { color: #167a55; }
a:focus-visible { outline: 3px solid #d99a24; outline-offset: 4px; }
.docs-header { background: #fff; border-bottom: 1px solid var(--line); }
.docs-nav { max-width: 1200px; min-height: 76px; margin: auto; padding: 16px 24px; display: flex; align-items: center; gap: 28px; }
.docs-nav a { text-decoration: none; }
.docs-brand { flex-shrink: 0; color: #104b3b; font-size: 20px; font-weight: 800; }
.docs-brand span { margin-left: 12px; padding-left: 12px; border-left: 1px solid var(--line); font-size: 14px; font-weight: 500; color: var(--muted); }
.docs-links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-left: auto; font-size: 14px; }
.docs-links a { color: #52645c; padding: 4px 0; border-bottom: 2px solid transparent; }
.docs-links a:hover, .docs-links a[aria-current] { color: #167a55; border-bottom-color: #167a55; }
.home-link { flex-shrink: 0; font-size: 13px; }
.docs-main { max-width: 1120px; margin: auto; padding: 56px 24px 40px; }
.docs-intro { margin-bottom: 36px; }
.eyebrow { color: #167a55; font-size: 14px; }
.docs-intro h1 { margin: 10px 0 12px; font-size: 40px; line-height: 1.3; color: #104b3b; }
.docs-intro p { margin: 0; color: var(--muted); }
.docs-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.doc-card { display: block; position: relative; padding: 28px; border: 1px solid var(--line); border-radius: 16px; background: #fff; text-decoration: none; color: var(--ink); transition: border-color .15s, box-shadow .15s; }
.doc-card:hover { border-color: #79b69b; box-shadow: 0 12px 30px rgba(16, 75, 59, .08); }
.card-number { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; margin-right: 12px; border-radius: 12px; background: #e8f6ef; color: #167a55; font-weight: 700; }
.card-audience { color: var(--muted); font-size: 13px; }
.doc-card h2 { margin: 20px 0 8px; font-size: 23px; color: #104b3b; }
.doc-card p { margin: 0 0 24px; color: var(--muted); }
.card-action { display: flex; justify-content: space-between; color: #167a55; font-size: 14px; font-weight: 600; }
.reading-tip { margin-top: 28px; padding: 20px 24px; border-radius: 12px; background: #fff3d7; }
.reading-tip h2 { margin: 0 0 4px; font-size: 16px; color: #785715; }
.reading-tip p { margin: 0; font-size: 14px; color: #75684b; }
.docs-footer { padding: 16px 24px 32px; text-align: center; color: var(--muted); font-size: 13px; }
/* 统一导入说明的阅读样式，保留原文与章节锚点。 */
.cover { background: linear-gradient(125deg, #104b3b, #167a55 65%, #b78a31); box-shadow: 0 12px 30px rgba(16, 75, 59, .1); }
.cover h1 { display: block; }
.page main { min-width: 0; }
.page h2 { color: #104b3b; border-bottom-color: #e8f6ef; }
.page h3 { color: #167a55; }
.page .toc { max-height: calc(100vh - 40px); overflow-y: auto; }
.page h2, .page h3 { scroll-margin-top: 20px; }
.page figure img { object-fit: contain; }
.page p, .page li { overflow-wrap: anywhere; }
@media (max-width: 1000px) {
  .docs-nav { flex-wrap: wrap; gap: 10px 20px; }
  .docs-links { order: 3; width: 100%; margin: 0; }
  .home-link { margin-left: auto; }
}
@media (max-width: 900px) { .page .toc { max-height: none; } }
@media (max-width: 600px) {
  .docs-nav { padding: 14px 16px; }
  .docs-brand { font-size: 18px; }
  .docs-links { gap: 8px 16px; font-size: 13px; }
  .docs-main { padding: 30px 16px; }
  .docs-intro h1 { font-size: 32px; }
  .docs-grid { grid-template-columns: 1fr; gap: 16px; }
  .doc-card { padding: 22px; }
}
@media print { .docs-header, .docs-footer, .sync-note { display: none; } }