/* ==========================================================================
   APIGOTO API 文档站共享样式
   设计基线：Portalweb（Vue3 门户）
   - App.vue        全局字体/底色（#0a0a0f / #e8e8ed / Inter）
   - TopNav.vue     导航栏（fixed 64px / rgba(10,10,15,.8) + blur / #23233a 描边）
   - HomeView.vue   区块标签、卡片、代码块、页脚等视觉语汇
   本文件在此基础上补充文档站特有的三栏布局、侧边目录、参数表、标签页等组件。
   ========================================================================== */

:root {
  /* 底色与层次（与门户逐值对齐，勿改） */
  --bg: #0a0a0f;
  --bg-alt: #111118;
  --card: #16161f;
  --card-hover: #1a1a24;
  --border: #23233a;
  --border-soft: #1c1c28;

  /* 文字三档 */
  --text: #e8e8ed;
  --muted: #8b8b9e;
  --dim: #5c5c72;

  /* 主色与强调色 */
  --primary: #6366f1;
  --primary-hover: #818cf8;
  --purple: #a855f7;
  --pink: #ec4899;
  --green: #22c55e;
  --green-soft: #34d399;
  --amber: #fbbf24;
  --red: #ef4444;

  /* 代码块 */
  --code-bg: #0d0d14;

  /* 布局尺寸 */
  --nav-h: 64px;
  --sidebar-w: 268px;
  --toc-w: 220px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

[hidden] {
  display: none !important;
}

code,
pre,
kbd {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* 滚动条：深色底上默认滚动条过亮，压到与卡片同层 */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #23233a;
  border-radius: 6px;
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover {
  background: #2f2f4a;
}

/* ==========================================================================
   顶部导航（复刻 TopNav.vue，链接指向门户主站）
   ========================================================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
/* 文档站是三栏宽屏布局，导航条内容跟随整站宽度而非门户的 1200px */
.navbar .nav-content {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-img {
  height: 36px;
  width: auto;
}
.logo-suffix {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s;
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}
/* 文档站顶栏右侧：只保留「返回门户」一个出口，登录/注册/进入后台都由门户承担 */
.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-portal {
  font-size: 14px;
  color: var(--muted);
  white-space: nowrap;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  transition:
    color 0.2s,
    border-color 0.2s;
}
.nav-portal:hover {
  color: var(--text);
  border-color: var(--primary);
}
.mobile-toggle {
  display: none;
}
.mobile-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
}

/* ==========================================================================
   通用按钮 / 标签（沿用门户语汇）
   ========================================================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border: none;
  transition: all 0.2s;
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  border: 1px solid var(--border);
  transition: all 0.2s;
}
.btn-outline:hover {
  border-color: #5c5c72;
  background: var(--card);
}
.section-label {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 16px;
}
.tag {
  padding: 4px 12px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  font-size: 12px;
  border-radius: 100px;
}
.gradient-text {
  background: linear-gradient(135deg, #6366f1, #a855f7, #ec4899);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   文档三栏布局：左侧目录 / 正文 / 右侧本页大纲
   ========================================================================== */
.docs-shell {
  max-width: 1600px;
  margin: 0 auto;
  padding-top: var(--nav-h);
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--toc-w);
  gap: 40px;
  align-items: start;
}

/* ── 左侧目录 ── */
.docs-sidebar {
  position: sticky;
  top: var(--nav-h);
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  padding: 28px 8px 48px 24px;
  border-right: 1px solid var(--border-soft);
}
.sidebar-search {
  position: relative;
  margin-bottom: 20px;
}
.sidebar-search input {
  width: 100%;
  padding: 9px 12px 9px 32px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
}
.sidebar-search input:focus {
  border-color: var(--primary);
}
.sidebar-search input::placeholder {
  color: var(--dim);
}
.sidebar-search .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  opacity: 0.6;
  pointer-events: none;
}
.nav-group {
  margin-bottom: 22px;
}
.nav-group-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 0 12px;
  margin-bottom: 8px;
}
.nav-group a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 7px;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.4;
  transition: all 0.15s;
}
.nav-group a:hover {
  color: var(--text);
  background: var(--card);
}
.nav-group a.active {
  color: var(--text);
  background: rgba(99, 102, 241, 0.12);
  box-shadow: inset 2px 0 0 var(--primary);
  font-weight: 600;
}
.nav-group a .nav-badge {
  flex-shrink: 0;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  letter-spacing: 0.3px;
}
.nav-badge.get {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
}
.nav-badge.post {
  background: rgba(99, 102, 241, 0.18);
  color: #818cf8;
}
.nav-badge.new {
  background: rgba(236, 72, 153, 0.18);
  color: #f472b6;
}
.sidebar-empty {
  padding: 12px;
  font-size: 13px;
  color: var(--dim);
}

/* ── 正文 ── */
.docs-main {
  min-width: 0;
  padding: 36px 0 96px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--dim);
  margin-bottom: 14px;
}
.breadcrumb a:hover {
  color: var(--muted);
}
.docs-main h1 {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 14px;
}
.page-lead {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 36px;
}
.docs-main h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 52px 0 16px;
  padding-top: 8px;
  letter-spacing: -0.3px;
  scroll-margin-top: calc(var(--nav-h) + 20px);
}
.docs-main h3 {
  font-size: 19px;
  font-weight: 600;
  margin: 34px 0 12px;
  scroll-margin-top: calc(var(--nav-h) + 20px);
}
.docs-main h4 {
  font-size: 15px;
  font-weight: 600;
  margin: 24px 0 10px;
  color: var(--text);
}
.docs-main p {
  font-size: 15px;
  line-height: 1.85;
  color: #c9c9d6;
  margin-bottom: 16px;
}
.docs-main ul,
.docs-main ol {
  margin: 0 0 18px 22px;
}
.docs-main li {
  font-size: 15px;
  line-height: 1.85;
  color: #c9c9d6;
  margin-bottom: 6px;
}
.docs-main li::marker {
  color: var(--primary);
}
.docs-main strong {
  color: var(--text);
  font-weight: 600;
}
.docs-main a:not(.btn-primary):not(.btn-outline):not(.card-link):not(.pager-link) {
  color: var(--primary-hover);
  border-bottom: 1px solid rgba(129, 140, 248, 0.3);
  transition: border-color 0.2s;
}
.docs-main a:not(.btn-primary):not(.btn-outline):not(.card-link):not(.pager-link):hover {
  border-bottom-color: var(--primary-hover);
}
.docs-main hr {
  border: none;
  border-top: 1px solid var(--border-soft);
  margin: 40px 0;
}
/* 行内代码 */
.docs-main :not(pre) > code {
  padding: 2px 6px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.16);
  border-radius: 5px;
  font-size: 13px;
  color: #a5b4fc;
  white-space: nowrap;
}

/* ── 右侧本页大纲 ── */
.docs-toc {
  position: sticky;
  top: var(--nav-h);
  max-height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  padding: 40px 24px 48px 0;
}
.toc-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 12px;
}
.docs-toc a {
  display: block;
  padding: 5px 0 5px 12px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--dim);
  border-left: 2px solid var(--border-soft);
  transition: all 0.15s;
}
.docs-toc a:hover {
  color: var(--muted);
}
.docs-toc a.active {
  color: var(--primary-hover);
  border-left-color: var(--primary);
}
.docs-toc a.lvl-3 {
  padding-left: 24px;
  font-size: 12px;
}

/* ==========================================================================
   代码块（复刻 HomeView.vue .code-block，加复制按钮与标签页）
   ========================================================================== */
.code-block {
  background: var(--code-bg);
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
  margin: 0 0 22px;
}
.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.code-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}
.code-dot.red {
  background: #ff5f57;
}
.code-dot.yellow {
  background: #febc2e;
}
.code-dot.green {
  background: #28c840;
}
.code-title {
  font-size: 12px;
  color: var(--dim);
  margin-left: 8px;
  flex: 1;
}
.copy-btn {
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: 11px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}
.copy-btn:hover {
  border-color: var(--primary);
  color: var(--text);
  background: rgba(99, 102, 241, 0.1);
}
.copy-btn.copied {
  border-color: var(--green-soft);
  color: var(--green-soft);
}
.code-block pre {
  padding: 20px;
  overflow-x: auto;
}
.code-block code {
  font-size: 13px;
  line-height: 1.7;
  color: #d7d7e3;
  white-space: pre;
}
/* 语法着色：与门户首页 quickstart.py 同一套 */
.code-block .kw {
  color: #c678dd;
}
.code-block .str {
  color: #98c379;
}
.code-block .fn {
  color: #61afef;
}
.code-block .num {
  color: #d19a66;
}
.code-block .cmt {
  color: #5c6370;
  font-style: italic;
}
.code-block .key {
  color: #e06c75;
}
.code-block .op {
  color: #56b6c2;
}

/* 多语言标签页 */
.code-tabs {
  margin-bottom: 22px;
}
.code-tabs .tab-bar {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: fit-content;
  max-width: 100%;
  overflow-x: auto;
  margin-bottom: 12px;
}
.code-tabs .tab-bar button {
  padding: 7px 16px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  border-radius: 7px;
  white-space: nowrap;
  transition: all 0.2s;
}
.code-tabs .tab-bar button:hover:not(.active) {
  color: var(--text);
}
.code-tabs .tab-bar button.active {
  background: var(--border);
  color: var(--text);
}
.code-tabs .tab-panel[hidden] {
  display: none;
}

/* ==========================================================================
   提示框 / 卡片 / 表格
   ========================================================================== */
.callout {
  display: flex;
  gap: 14px;
  padding: 16px 20px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  margin: 0 0 22px;
}
.callout .callout-icon {
  font-size: 18px;
  line-height: 1.5;
  flex-shrink: 0;
}
.callout .callout-body {
  min-width: 0;
}
.callout .callout-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text);
}
.callout p {
  font-size: 14px !important;
  line-height: 1.75 !important;
  color: var(--muted) !important;
  margin: 0 !important;
}
.callout p + p {
  margin-top: 8px !important;
}
.callout.info {
  border-color: rgba(99, 102, 241, 0.35);
  background: rgba(99, 102, 241, 0.07);
}
.callout.warn {
  border-color: rgba(251, 191, 36, 0.35);
  background: rgba(251, 191, 36, 0.06);
}
.callout.danger {
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.06);
}
.callout.success {
  border-color: rgba(34, 197, 94, 0.32);
  background: rgba(34, 197, 94, 0.06);
}

/* 卡片网格 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}
.card-link {
  display: block;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.3s;
}
.card-link:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
}
.card-link .card-icon {
  font-size: 28px;
  margin-bottom: 12px;
}
.card-link h3 {
  font-size: 17px !important;
  font-weight: 600;
  margin: 0 0 8px !important;
}
.card-link p {
  font-size: 13.5px !important;
  line-height: 1.65 !important;
  color: var(--muted) !important;
  margin: 0 !important;
}

/* 表格 */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 24px;
  background: var(--card);
}
table.docs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  min-width: 560px;
}
table.docs-table thead th {
  background: var(--bg);
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table.docs-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-soft);
  color: #c9c9d6;
  line-height: 1.65;
  vertical-align: top;
}
table.docs-table tbody tr:last-child td {
  border-bottom: none;
}
table.docs-table tbody tr:hover {
  background: var(--card-hover);
}
table.docs-table td code {
  padding: 2px 6px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.16);
  border-radius: 5px;
  font-size: 12.5px;
  color: #a5b4fc;
  white-space: nowrap;
}
table.docs-table td.mono {
  font-family: 'JetBrains Mono', monospace;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.req-yes {
  color: var(--red);
  font-weight: 600;
}
.req-no {
  color: var(--dim);
}

/* 端点标题（METHOD + path） */
.endpoint {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 14px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 22px;
}
.endpoint .method {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}
.endpoint .method.post {
  background: rgba(99, 102, 241, 0.18);
  color: #818cf8;
}
.endpoint .method.get {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
}
.endpoint .method.delete {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}
.endpoint .path {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--text);
  word-break: break-all;
}

/* 状态码药丸 */
.pill {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}
.pill.gray {
  background: var(--border);
  color: var(--muted);
}
.pill.indigo {
  background: rgba(99, 102, 241, 0.16);
  color: #818cf8;
}
.pill.green {
  background: rgba(34, 197, 94, 0.14);
  color: #4ade80;
}
.pill.amber {
  background: rgba(251, 191, 36, 0.14);
  color: var(--amber);
}
.pill.red {
  background: rgba(239, 68, 68, 0.14);
  color: #f87171;
}

/* 步骤条 */
.steps {
  counter-reset: step;
  margin-bottom: 8px;
}
.step {
  position: relative;
  padding: 0 0 28px 46px;
  border-left: 1px solid var(--border);
  margin-left: 14px;
}
.step:last-child {
  border-left-color: transparent;
  padding-bottom: 4px;
}
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: -15px;
  top: -2px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--primary-hover);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step h3 {
  margin: 0 0 8px !important;
  font-size: 17px !important;
}

/* 上一页 / 下一页 */
.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--border-soft);
}
.pager-link {
  display: block;
  padding: 16px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: all 0.2s;
}
.pager-link:hover {
  border-color: var(--primary);
}
.pager-link .pager-dir {
  font-size: 11px;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 6px;
}
.pager-link .pager-title {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
}
.pager-link.next {
  text-align: right;
}
.pager-slot-empty {
  visibility: hidden;
}

/* 页脚（复刻门户 .footer） */
.docs-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 40px 0 0;
}
.docs-footer .footer-inner {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 24px;
}
.docs-footer .footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
  color: var(--dim);
}
.docs-footer .footer-bottom a {
  color: var(--muted);
}
.docs-footer .footer-bottom a:hover {
  color: var(--text);
}

/* 复制提示 toast */
.docs-toast {
  position: fixed;
  top: 84px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  padding: 10px 22px;
  background: rgba(17, 17, 27, 0.95);
  color: var(--green-soft);
  border: 1px solid rgba(52, 211, 153, 0.35);
  border-radius: 8px;
  font-size: 14px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
}
.docs-toast.show {
  opacity: 1;
}

/* ==========================================================================
   正文内联小组件（首页概览、参数定义列表等）
   ========================================================================== */
/* 首页顶部的一行行动按钮，跟正文同宽，不做门户那种整屏 hero */
.lead-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0 0 36px;
}
.lead-actions .btn-primary,
.lead-actions .btn-outline {
  padding: 10px 22px;
  font-size: 14.5px;
}

/* 参数定义列表：比表格更适合描述嵌套字段 */
.param-list {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  margin-bottom: 24px;
  overflow: hidden;
}
.param {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-soft);
}
.param:last-child {
  border-bottom: none;
}
.param-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.param-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13.5px;
  color: #a5b4fc;
  font-weight: 600;
}
.param-type {
  font-size: 12px;
  color: var(--dim);
}
.param-req {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(239, 68, 68, 0.14);
  color: #f87171;
}
.param-opt {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--border);
  color: var(--muted);
}
.param-desc {
  font-size: 13.5px !important;
  line-height: 1.7 !important;
  color: var(--muted) !important;
  margin: 0 !important;
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1280px) {
  .docs-shell {
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
    gap: 32px;
  }
  .docs-toc {
    display: none;
  }
}

@media (max-width: 1100px) {
  .nav-right {
    gap: 14px;
  }
}

@media (max-width: 640px) {
  /* 返回门户是文档站唯一的外部出口，窄屏也要留着；只收掉 logo 后缀 */
  .logo-suffix {
    display: none;
  }
  .nav-portal {
    padding: 5px 10px;
    font-size: 13px;
  }
}

@media (max-width: 900px) {
  .docs-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }
  /* 移动端左侧目录改为抽屉，由 .sidebar-fab 触发 */
  .docs-sidebar {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    bottom: 0;
    width: 290px;
    background: var(--bg);
    border-right: 1px solid var(--border);
    z-index: 95;
    transform: translateX(-100%);
    transition: transform 0.25s;
    height: auto;
  }
  .docs-sidebar.open {
    transform: translateX(0);
  }
  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    top: var(--nav-h);
    background: rgba(0, 0, 0, 0.5);
    z-index: 94;
  }
  .sidebar-fab {
    display: flex;
  }
  .docs-main {
    padding: 24px 20px 80px;
  }
  .docs-main h1 {
    font-size: 30px;
  }
  .docs-main h2 {
    font-size: 22px;
  }
  .page-lead {
    font-size: 16px;
  }
  .pager {
    grid-template-columns: 1fr;
  }
}

/* 移动端目录浮动按钮 */
.sidebar-fab {
  display: none;
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 96;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
}