/* ===========================================================
   VoiceBridge / 语音桥 — 文档页样式
   仅 /docs/ 下使用；主站样式见 style.css
   =========================================================== */

.doc-top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 22px;
  background: rgba(247, 245, 240, .93);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}

.doc-brand {
  font-weight: 650;
  font-size: 15px;
  color: var(--green-deep);
  letter-spacing: -.01em;
}
.doc-brand:hover { text-decoration: none; color: var(--green); }

.doc-nav { display: flex; gap: 18px; font-size: 14px; }
.doc-nav a { color: var(--muted); }
.doc-nav a:hover { color: var(--green); text-decoration: none; }

.doc-body {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 22px 72px;
}

.doc-crumb {
  font-size: 13.5px;
  color: var(--muted);
  margin-bottom: 20px;
}
.doc-crumb a { color: var(--muted); }
.doc-crumb a:hover { color: var(--green); text-decoration: none; }

.doc-body h1 {
  font-size: 30px;
  line-height: 1.3;
  letter-spacing: -.02em;
  margin: 0 0 4px;
}
.doc-body h2 {
  font-size: 21px;
  line-height: 1.4;
  letter-spacing: -.01em;
  margin: 40px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
}
.doc-body h3 { font-size: 17px; margin: 26px 0 8px; }
.doc-body h4 { font-size: 15.5px; margin: 20px 0 6px; color: var(--ink-soft); }

.doc-body p { margin: 0 0 14px; }
.doc-body ul, .doc-body ol { margin: 0 0 16px; padding-left: 22px; }
.doc-body li { margin: 5px 0; }
.doc-body li > ul, .doc-body li > ol { margin: 5px 0; }

.doc-body blockquote {
  margin: 0 0 18px;
  padding: 12px 16px;
  background: var(--paper-2);
  border-left: 3px solid var(--green);
  border-radius: 0 8px 8px 0;
  color: var(--ink-soft);
  font-size: 14.5px;
}
.doc-body blockquote p { margin: 0 0 6px; }
.doc-body blockquote p:last-child { margin: 0; }

.doc-body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 34px 0;
}

.doc-body code {
  background: var(--paper-2);
  padding: 1px 5px;
  border-radius: 5px;
  font-size: 13.5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.doc-body pre {
  background: var(--paper-2);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
}
.doc-body pre code { background: none; padding: 0; }

/* 表格：宽表横向滚动，单元格仍正常换行 */
.doc-scroll {
  overflow-x: auto;
  margin: 0 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.doc-body table {
  border-collapse: collapse;
  width: 100%;
  min-width: 520px;
  font-size: 14px;
  background: var(--surface);
}
.doc-body th, .doc-body td {
  border-bottom: 1px solid var(--line-soft);
  padding: 9px 12px;
  text-align: left;
  vertical-align: top;
}
.doc-body th {
  background: var(--paper-2);
  font-weight: 650;
  color: var(--green-deep);
  white-space: nowrap;
}
.doc-body tbody tr:last-child td { border-bottom: 0; }

.doc-foot {
  margin-top: 48px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}
.doc-foot p { margin: 0; }
.doc-foot a { color: var(--muted); }
.doc-foot a:hover { color: var(--green); text-decoration: none; }

/* ---------- 文档目录 ---------- */
.doc-index-head { margin-bottom: 26px; }
.doc-index-head h1 { font-size: 27px; margin: 0 0 8px; letter-spacing: -.02em; }
.doc-index-head p { margin: 0; color: var(--ink-soft); font-size: 15px; }

.doc-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }

.doc-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 15px 18px;
  box-shadow: var(--shadow-sm);
  transition: border-color .15s ease, transform .15s ease;
}
.doc-item:hover { border-color: var(--green); transform: translateY(-1px); }

.doc-item-top {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 5px;
}
.doc-item-title { font-size: 16.5px; font-weight: 650; color: var(--green-deep); letter-spacing: -.01em; }
.doc-item a.doc-item-title:hover { text-decoration: none; color: var(--green); }
.doc-tag {
  font-size: 11.5px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 1px 9px;
}
.doc-item p { margin: 0 0 9px; font-size: 14.5px; color: var(--ink-soft); }
.doc-item-meta { font-size: 13px; color: var(--muted); display: flex; gap: 14px; }
.doc-item-meta a { color: var(--muted); }
.doc-item-meta a:hover { color: var(--green); text-decoration: none; }

.doc-note {
  margin: 26px 0 0;
  padding: 14px 18px;
  background: var(--clay-tint);
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  color: var(--ink-soft);
}
.doc-note p { margin: 0; }

@media (max-width: 640px) {
  .doc-top { padding: 11px 16px; }
  .doc-brand { font-size: 14px; }
  .doc-nav { gap: 13px; font-size: 13px; }
  .doc-body { padding: 24px 16px 56px; }
  .doc-body h1 { font-size: 24px; }
  .doc-body h2 { font-size: 19px; }
}

@media (prefers-reduced-motion: reduce) {
  .doc-item { transition: none; }
  .doc-item:hover { transform: none; }
}

/* ---------- 语言切换（文档目录页） ---------- */
.doc-lang {
  font: inherit;
  font-size: 13px;
  color: var(--green-deep);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 12px;
  cursor: pointer;
}
.doc-lang:hover { border-color: var(--green); }