/* 接入文档页 —— 沿用主设计系统的令牌,只补文档特有的排版 */

.docs { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 56px;
  max-width: 1200px; margin: 0 auto; padding: 0 24px 90px; }

/* ── 侧栏目录 ─────────────────────────────────────── */
.toc { position: sticky; top: 80px; align-self: start; padding-top: 34px;
  max-height: calc(100vh - 96px); overflow-y: auto; }
.toc-title { font-size: 11px; font-weight: 600; color: var(--text-3); letter-spacing: .1em;
  text-transform: uppercase; margin-bottom: 12px; }
.toc nav { display: flex; flex-direction: column; gap: 1px; border-left: 1px solid var(--line); }
.toc nav a { padding: 6px 0 6px 14px; font-size: 13px; color: var(--text-3); margin-left: -1px;
  border-left: 1px solid transparent; transition: color .12s, border-color .12s; }
.toc nav a:hover { color: var(--text-2); }
.toc nav a.active { color: var(--accent); border-left-color: var(--accent); }
.toc nav a.sub { padding-left: 26px; font-size: 12.5px; }

/* ── 正文 ─────────────────────────────────────────── */
.doc-body { padding-top: 34px; min-width: 0; }
.doc-head { padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.doc-head h1 { font-size: 34px; margin: 0 0 10px; letter-spacing: -1px; font-weight: 700; }
.doc-head p { color: var(--text-2); font-size: 15.5px; margin: 0; line-height: 1.7; max-width: 62ch; }

.doc-body section { padding: 42px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 74px; }
.doc-body section:last-of-type { border-bottom: 0; }
.doc-body h2 { font-size: 22px; margin: 0 0 14px; letter-spacing: -.5px; font-weight: 650;
  scroll-margin-top: 74px; }
.doc-body h3 { font-size: 16px; margin: 30px 0 10px; font-weight: 600; scroll-margin-top: 74px; }
.doc-body h4 { font-size: 13.5px; margin: 22px 0 8px; color: var(--text-2); font-weight: 600;
  letter-spacing: .03em; }
.doc-body p { line-height: 1.8; color: var(--text-2); margin: 0 0 13px; max-width: 74ch; }
.doc-body b { color: var(--text); font-weight: 600; }
.doc-body code { background: var(--surface-3); border: 1px solid var(--line);
  padding: 1px 6px; border-radius: 4px; font-size: 12.5px; color: #a8c7fa; }

/* 步骤 */
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0 0 16px; }
.steps > li { counter-increment: s; position: relative; padding: 0 0 16px 34px; }
.steps > li::before { content: counter(s); position: absolute; left: 0; top: 1px;
  width: 21px; height: 21px; border-radius: 50%; background: var(--surface-3);
  border: 1px solid var(--line-strong); color: var(--text-2);
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  display: flex; align-items: center; justify-content: center; }
/* 只有作为步骤标题的直接子 b 才独占一行,段落内的 <b> 必须保持行内 */
.steps > li > b { display: block; margin-bottom: 3px; color: var(--text); }
.steps > li p { margin: 0; color: var(--text-2); font-size: 13.5px; }
.steps.compact > li { padding-bottom: 11px; }

.notes { padding-left: 18px; margin: 0 0 15px; }
.notes li { line-height: 1.8; color: var(--text-2); margin-bottom: 5px; }
.notes li::marker { color: var(--text-3); }

/* 提示块:左侧一道细线,不用大色块 */
.tip { background: var(--surface); border: 1px solid var(--line); border-left: 2px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 13px 17px; font-size: 13.5px; line-height: 1.75; color: var(--text-2); margin: 16px 0; }

/* 代码块 */
.doc-body .code-box { white-space: pre; overflow-x: auto; padding: 15px 78px 15px 17px;
  line-height: 1.7; margin: 0 0 17px; word-break: normal; }

/* 表格 */
.doc-table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin: 2px 0 17px; }
.doc-table th { text-align: left; padding: 9px 13px; color: var(--text-3);
  font-size: 11.5px; font-weight: 500; letter-spacing: .05em;
  border-bottom: 1px solid var(--line-strong); }
.doc-table td { padding: 11px 13px; border-bottom: 1px solid var(--line);
  line-height: 1.7; color: var(--text-2); vertical-align: top; }
.doc-table tr:last-child td { border-bottom: 0; }
.doc-table td:first-child { white-space: nowrap; color: var(--text); }

/* 折叠问答 */
.doc-body details { border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 0 17px; margin-bottom: 8px; background: var(--surface); transition: border-color .14s; }
.doc-body details:hover { border-color: var(--line-strong); }
.doc-body details[open] { background: var(--surface-2); }
.doc-body summary { cursor: pointer; padding: 13px 0; font-weight: 600; font-size: 14px;
  list-style: none; color: var(--text); }
.doc-body summary::-webkit-details-marker { display: none; }
.doc-body summary::before { content: '+'; color: var(--accent); margin-right: 10px;
  font-family: var(--mono); font-weight: 600; }
.doc-body details[open] summary::before { content: '−'; }
.doc-body details > *:not(summary) { margin-left: 24px; }
.doc-body details > *:last-child { margin-bottom: 14px; }

.doc-foot { padding: 34px 0 0; color: var(--text-3); font-size: 13.5px; }

@media (max-width: 900px) {
  .docs { grid-template-columns: 1fr; gap: 0; }
  .toc { position: static; max-height: none; padding-top: 22px; }
  .toc nav { flex-direction: row; flex-wrap: wrap; border-left: 0; gap: 6px; }
  .toc nav a { border: 1px solid var(--line); border-radius: 5px; padding: 4px 11px;
    margin: 0; font-size: 12.5px; }
  .toc nav a.active { border-color: var(--accent); }
  .toc nav a.sub { padding-left: 11px; }
  .doc-head h1 { font-size: 26px; }
}