/* ============================================================
   奇漫屋 pmvkl.cn — 全站样式
   分组：base / layout / components / pages / responsive
   ============================================================ */

/* ------------------------------------------------------------
   base：变量、重置、排版、通用元素
   ------------------------------------------------------------ */
:root {
  --c-primary: #1f6f6b;
  --c-primary-dark: #17544f;
  --c-accent: #d97a3d;
  --c-bg: #f6f7f5;
  --c-surface: #ffffff;
  --c-text: #2b2f2e;
  --c-muted: #6a7472;
  --c-line: #dfe4e1;
  --c-soft: #eef2f0;
  --radius: 6px;
  --radius-sm: 4px;
  --container: 1120px;
  --sidebar-w: 232px;
  --gap: 24px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system,
    "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--c-text);
  font-weight: 700;
  line-height: 1.35;
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: var(--c-primary);
  text-decoration: none;
  transition: color 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

a:hover,
a:focus-visible {
  color: var(--c-primary-dark);
  text-decoration: underline;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

button {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

/* ------------------------------------------------------------
   layout：页面骨架 —— 事实条、页头、导航、主布局、页脚
   ------------------------------------------------------------ */

/* 顶部事实条 */
.site-factbar,
.fact-bar {
  margin: 0;
  padding: 8px 20px;
  background: var(--c-primary);
  color: #eaf3f1;
  font-size: 13px;
  line-height: 1.5;
  text-align: center;
}

.site-factbar a,
.fact-bar a {
  color: #ffffff;
  text-decoration: underline;
}

/* 页头 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-line);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 12px 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--c-text);
  font-size: 19px;
  font-weight: 700;
  text-decoration: none;
}

.brand:hover,
.brand:focus-visible {
  color: var(--c-primary);
  text-decoration: none;
}

.brand-mark {
  display: inline-block;
  width: 10px;
  height: 26px;
  border-radius: 3px;
  background: var(--c-primary);
}

.brand-sub {
  color: var(--c-muted);
  font-size: 13px;
  font-weight: 400;
}

/* 主导航 */
.site-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: inline-block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--c-text);
  font-size: 15px;
  text-decoration: none;
}

.nav-link:hover,
.nav-link:focus-visible {
  background: var(--c-soft);
  color: var(--c-primary-dark);
  text-decoration: none;
}

.nav-link.is-current {
  background: var(--c-primary);
  color: #ffffff;
}

.nav-link.is-current:hover,
.nav-link.is-current:focus-visible {
  background: var(--c-primary-dark);
  color: #ffffff;
}

/* 汉堡按钮：桌面隐藏 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0 10px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
}

/* 主布局：默认主内容在前、侧栏在后 */
.site-body {
  min-height: 100vh;
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--sidebar-w);
  align-items: start;
  gap: var(--gap);
  max-width: var(--container);
  margin: 0 auto;
  padding: 24px 20px 40px;
}

/* 侧栏在左：侧栏在前 */
.sidebar-left .page-layout,
.page-layout.sidebar-left {
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
}

.sidebar-left .page-layout > .site-main,
.sidebar-left .page-layout > .site-aside,
.sidebar-left .page-layout > .sidebar,
.page-layout.sidebar-left > .site-main,
.page-layout.sidebar-left > .site-aside,
.page-layout.sidebar-left > .sidebar {
  order: 0;
}

/* 侧栏在左时，主内容列放右侧 */
.sidebar-left .site-main,
.sidebar-left .inner-main {
  grid-column: 2;
}

.sidebar-left .site-sidebar,
.sidebar-left .site-aside,
.sidebar-left .sidebar {
  grid-column: 1;
  grid-row: 1;
}

/* 主内容区 */
.site-main {
  min-width: 0;
}

.inner-main {
  display: block;
}

/* 页脚 */
.site-footer {
  margin-top: 8px;
  background: #ffffff;
  border-top: 1px solid var(--c-line);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 28px 24px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 34px 20px 26px;
}

.footer-brand-name {
  margin-bottom: 6px;
  font-size: 17px;
  font-weight: 700;
}

.footer-brand-desc {
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
}

.footer-group {
  min-width: 0;
}

.footer-title {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-list a {
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.6;
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: var(--c-primary);
}

.footer-bottom {
  border-top: 1px solid var(--c-line);
}

.footer-copy {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 20px;
  color: var(--c-muted);
  font-size: 13px;
}

/* ------------------------------------------------------------
   components：侧栏树状导航、面包屑、标题区、通用区块元素
   ------------------------------------------------------------ */

/* 侧栏 */
.site-sidebar,
.site-aside,
.sidebar {
  position: sticky;
  top: 84px;
  align-self: start;
  min-width: 0;
}

.tree-nav {
  padding: 14px 14px 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.tree-title,
.tree-nav-title {
  margin: 0 0 10px;
  color: var(--c-muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.tree-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tree-item {
  min-width: 0;
}

.tree-item > .tree-link,
.tree-item > a {
  display: block;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--c-text);
  font-size: 15px;
  text-decoration: none;
}

.tree-item > .tree-link:hover,
.tree-item > a:hover,
.tree-item > .tree-link:focus-visible,
.tree-item > a:focus-visible {
  background: var(--c-soft);
  color: var(--c-primary-dark);
  text-decoration: none;
}

.tree-item > .tree-link.is-current,
.tree-item.is-current > .tree-link,
.tree-item.is-current > a {
  background: var(--c-soft);
  color: var(--c-primary-dark);
  font-weight: 700;
}

.tree-sub,
.tree-sublist {
  display: none;
  margin: 2px 0 6px 10px;
  padding-left: 10px;
  border-left: 2px solid var(--c-line);
}

.tree-item.is-open > .tree-sub,
.tree-item.tree-open > .tree-sub,
.tree-item.is-open > .tree-sublist {
  display: block;
}

.tree-sub li a,
.tree-sub-link,
.tree-subitem a {
  display: block;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  color: var(--c-muted);
  font-size: 14px;
  text-decoration: none;
}

.tree-sub li a:hover,
.tree-sub-link:hover,
.tree-subitem a:hover,
.tree-sub li a:focus-visible,
.tree-sub-link:focus-visible,
.tree-subitem a:focus-visible {
  background: var(--c-soft);
  color: var(--c-primary-dark);
  text-decoration: none;
}

/* 侧栏提示块 */
.sidebar-title {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
}

.sidebar-note {
  margin-top: 14px;
  padding: 14px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.sidebar-note-title {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 700;
}

.sidebar-note-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-note-list a {
  color: var(--c-muted);
  font-size: 14px;
}

.sidebar-note-list a:hover,
.sidebar-note-list a:focus-visible {
  color: var(--c-primary);
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
  color: var(--c-muted);
  font-size: 13px;
}

.breadcrumb a {
  color: var(--c-muted);
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--c-primary);
}

.breadcrumb-sep {
  color: var(--c-line);
}

.breadcrumb-current {
  color: var(--c-text);
}

/* 页面标题区 */
.page-header {
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--c-line);
}

.page-title {
  margin: 0 0 8px;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
}

.page-description {
  max-width: 46em;
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.75;
}

/* 通用区块 */
.section {
  margin-bottom: 34px;
}

.section:last-child {
  margin-bottom: 0;
}

.section-title {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 700;
}

.section-lead,
.section-desc,
.section-intro {
  max-width: 46em;
  margin: 0 0 18px;
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.75;
}

/* 图片容器 */
figure {
  margin: 0;
}

.hero-media,
.section-media,
.section-figure,
.entry-figure,
.page-figure {
  margin: 0 0 22px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.hero-media img,
.section-media img,
.section-figure img,
.entry-figure img,
.page-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.media-caption,
.figure-caption,
.entry-figure-caption,
.page-figure figcaption {
  padding: 10px 14px;
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.6;
}

/* 字段对照表（内页通用） */
.field-table {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.field-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 16px;
  border-top: 1px solid var(--c-line);
}

.field-row:first-child {
  border-top: 0;
}

.field-row-head {
  background: var(--c-soft);
}

.field-row-head .field-name,
.field-row-head .field-desc {
  color: var(--c-muted);
  font-size: 13px;
  font-weight: 700;
}

.field-name {
  color: var(--c-text);
  font-size: 15px;
  font-weight: 700;
}

.field-desc {
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.field-label {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 7px;
  border-radius: var(--radius-sm);
  background: var(--c-soft);
  color: var(--c-primary-dark);
  font-size: 12px;
  font-weight: 700;
}

/* 步骤条 */
.step-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.step-item {
  position: relative;
  padding: 16px 16px 16px 18px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-accent);
  border-radius: var(--radius);
}

.step-num,
.step-index {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.step-name {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
}

.step-desc {
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.7;
}

.step-desc a {
  color: var(--c-primary);
}

/* 资料类型清单（首页 / 资料中心共用） */
.type-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
}

.type-item {
  padding: 14px 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.type-name {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 700;
}

.type-scene {
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
}

.type-link {
  margin-top: 8px;
  font-size: 14px;
}

/* 通用文字链接按钮 */
.split-link {
  display: inline-block;
  margin-top: 12px;
  padding: 7px 14px;
  border: 1px solid var(--c-primary);
  border-radius: var(--radius-sm);
  color: var(--c-primary);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.split-link:hover,
.split-link:focus-visible {
  background: var(--c-primary);
  color: #ffffff;
  text-decoration: none;
}

/* 相关推荐清单 */
.related-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.related-item a {
  display: block;
  height: 100%;
  padding: 12px 14px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  color: var(--c-text);
  font-size: 15px;
  text-decoration: none;
}

.related-item a:hover,
.related-item a:focus-visible {
  border-color: var(--c-primary);
  color: var(--c-primary-dark);
  text-decoration: none;
}

/* ------------------------------------------------------------
   pages：首页
   ------------------------------------------------------------ */

.home-main {
  min-width: 0;
}

/* 双通道首屏 */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 20px;
  margin-bottom: 34px;
}

.hero-intro {
  padding: 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-primary);
  border-radius: var(--radius);
}

.hero-title {
  margin: 0 0 12px;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
}

.hero-lead {
  max-width: 40em;
  margin-bottom: 16px;
  color: var(--c-muted);
  font-size: 16px;
  line-height: 1.75;
}

.hero-paths {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero-path {
  min-width: 0;
}

.hero-path-link {
  display: block;
  padding: 9px 12px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  font-size: 15px;
  text-decoration: none;
}

.hero-path-link:hover,
.hero-path-link:focus-visible {
  border-color: var(--c-primary);
  color: var(--c-primary-dark);
  text-decoration: none;
}

.hero-quick {
  padding: 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.hero-quick-title {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
}

.quick-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quick-item {
  min-width: 0;
}

.quick-link {
  display: block;
  padding: 12px 14px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  text-decoration: none;
}

.quick-link:hover,
.quick-link:focus-visible {
  border-color: var(--c-primary);
  text-decoration: none;
}

.quick-name {
  display: block;
  color: var(--c-primary-dark);
  font-size: 15px;
  font-weight: 700;
}

.quick-desc {
  display: block;
  margin-top: 2px;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* 栏目架构总览：逐行方向条 */
.direction-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.direction-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  padding: 14px 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.direction-main {
  flex: 1 1 320px;
  min-width: 0;
}

.direction-name {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 700;
}

.direction-scope {
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.7;
}

.direction-link {
  flex: 0 0 auto;
  padding: 7px 14px;
  border: 1px solid var(--c-primary);
  border-radius: var(--radius-sm);
  color: var(--c-primary);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.direction-link:hover,
.direction-link:focus-visible {
  background: var(--c-primary);
  color: #ffffff;
  text-decoration: none;
}

/* 条目速览与最近更新并列区 */
.split-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.split-col {
  display: flex;
  flex-direction: column;
  padding: 18px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.split-title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
}

.split-lead {
  margin-bottom: 12px;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
}

.field-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 4px;
}

.field-item {
  padding: 9px 12px;
  background: var(--c-bg);
  border-left: 3px solid var(--c-primary);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  font-size: 15px;
  line-height: 1.7;
}

.update-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.update-group {
  min-width: 0;
}

.update-date {
  margin: 0 0 6px;
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.update-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.update-items li {
  padding-left: 12px;
  border-left: 2px solid var(--c-line);
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
}

.split-col .split-link {
  align-self: flex-start;
  margin-top: auto;
}

/* 条目字段口径与收录边界摘要 */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.compare-col {
  padding: 18px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.compare-title {
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-line);
  font-size: 18px;
  font-weight: 700;
}

.compare-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.compare-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
}

.compare-key {
  color: var(--c-primary-dark);
  font-weight: 700;
}

.compare-val {
  color: var(--c-muted);
  overflow-wrap: anywhere;
}

/* 查阅路径与资料类型说明 */
.guide-subtitle {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
}

/* 站内栏目索引 */
.index-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
}

.index-cell {
  min-width: 0;
}

.index-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  height: 100%;
  padding: 14px 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-primary);
  border-radius: var(--radius);
  color: var(--c-text);
  text-decoration: none;
}

.index-link:hover,
.index-link:focus-visible {
  border-color: var(--c-primary);
  border-left-color: var(--c-accent);
  text-decoration: none;
}

.index-name {
  color: var(--c-primary-dark);
  font-size: 16px;
  font-weight: 700;
}

.index-desc {
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.65;
}

/* ------------------------------------------------------------
   pages：栏目分类
   ------------------------------------------------------------ */

.section-overview .section-figure {
  margin-bottom: 0;
}

.section-directions .direction-row {
  display: block;
  margin-bottom: 12px;
}

.section-directions .direction-row:last-child {
  margin-bottom: 0;
}

.direction-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.direction-tag {
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--c-soft);
  color: var(--c-primary-dark);
  font-size: 12px;
  font-weight: 700;
}

.direction-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.direction-sample,
.direction-diff {
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.direction-enter {
  margin-top: 10px;
  font-size: 14px;
}

/* 方向归属判断要点 */
.rule-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.rule-item {
  padding: 14px 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.rule-name {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
}

.rule-desc,
.rule-text {
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* 方向浏览路径 */
.section-path .step-list {
  margin-bottom: 0;
}

.related-nav {
  margin-top: 8px;
}

/* ------------------------------------------------------------
   pages：条目速览
   ------------------------------------------------------------ */

.section-entry-sample .entry-figure {
  margin-bottom: 0;
}

.update-groups {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.section-updates .update-group {
  padding: 14px 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.section-updates .update-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.update-item {
  padding-left: 12px;
  border-left: 2px solid var(--c-line);
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.7;
}

.update-name {
  display: block;
  color: var(--c-text);
  font-weight: 700;
}

.update-note {
  display: block;
  margin-top: 2px;
  color: var(--c-muted);
  font-size: 14px;
}

.section-lookup .step-list {
  margin-bottom: 0;
}

/* ------------------------------------------------------------
   pages：资料中心
   ------------------------------------------------------------ */

.section-types .section-media {
  margin-bottom: 18px;
}

.section-types .type-list {
  margin-bottom: 0;
}

.section-version .field-table {
  margin-bottom: 12px;
}

.section-note {
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
}

.section-note a {
  margin-right: 12px;
}

.section-rules .rule-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}

.section-rules .rule-list .rule-item {
  border-left: 3px solid var(--c-accent);
}

/* ------------------------------------------------------------
   pages：常见问题
   ------------------------------------------------------------ */

.page-figure {
  margin-bottom: 26px;
}

.faq-section {
  margin-bottom: 30px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item summary {
  position: relative;
  padding: 14px 44px 14px 16px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item summary:hover {
  background: var(--c-soft);
}

.faq-item p {
  padding: 0 16px 12px;
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.75;
}

.faq-more {
  padding-bottom: 14px !important;
  font-size: 14px;
}

.faq-next {
  padding: 18px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.faq-next h2 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
}

.faq-next p {
  margin-bottom: 12px;
  color: var(--c-muted);
  font-size: 15px;
}

.faq-next-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
}

.faq-next-list a {
  display: block;
  padding: 10px 14px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  font-size: 15px;
  text-decoration: none;
}

.faq-next-list a:hover,
.faq-next-list a:focus-visible {
  border-color: var(--c-primary);
  color: var(--c-primary-dark);
  text-decoration: none;
}

/* ------------------------------------------------------------
   pages：404
   ------------------------------------------------------------ */

.site-error .error-main {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 20px 56px;
}

.error-panel {
  margin-bottom: 28px;
  padding: 28px 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-accent);
  border-radius: var(--radius);
}

.error-code {
  margin-bottom: 8px;
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}

.error-title {
  margin: 0 0 10px;
  font-size: 30px;
  font-weight: 700;
}

.error-desc {
  margin-bottom: 18px;
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.75;
}

.error-home-link {
  display: inline-block;
  padding: 10px 20px;
  background: var(--c-primary);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.error-home-link:hover,
.error-home-link:focus-visible {
  background: var(--c-primary-dark);
  color: #ffffff;
  text-decoration: none;
}

.error-guide-title {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 700;
}

.error-guide-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 10px;
}

.error-guide-list a {
  display: block;
  padding: 12px 14px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-primary);
  border-radius: var(--radius);
  color: var(--c-text);
  font-size: 15px;
  text-decoration: none;
}

.error-guide-list a:hover,
.error-guide-list a:focus-visible {
  border-color: var(--c-primary);
  text-decoration: none;
}

/* ------------------------------------------------------------
   responsive：900px / 600px 两档断点
   ------------------------------------------------------------ */

@media (max-width: 900px) {
  .header-inner {
    gap: 12px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    flex-basis: 100%;
    margin-left: 0;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--c-line);
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-link {
    padding: 11px 12px;
    font-size: 16px;
  }

  /* 布局：单列，主内容在前 */
  .page-layout,
  .sidebar-left .page-layout,
  .page-layout.sidebar-left {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    padding: 18px 16px 32px;
  }

  .sidebar-left .site-main,
  .sidebar-left .inner-main,
  .sidebar-left .site-sidebar,
  .sidebar-left .site-aside,
  .sidebar-left .sidebar,
  .page-layout.sidebar-left > .site-main,
  .page-layout.sidebar-left > .site-aside,
  .page-layout.sidebar-left > .sidebar {
    grid-column: auto;
    grid-row: auto;
  }

  .site-sidebar,
  .site-aside,
  .sidebar {
    position: static;
    order: 2;
  }

  .site-main {
    order: 1;
  }

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 18px;
    padding: 28px 16px 22px;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .split-grid,
  .compare-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .compare-item {
    grid-template-columns: 84px minmax(0, 1fr);
  }

  .page-title,
  .hero-title,
  .error-title {
    font-size: 24px;
  }

  .section-title {
    font-size: 20px;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 15px;
  }

  .site-factbar,
  .fact-bar {
    padding: 7px 14px;
    font-size: 12px;
  }

  .header-inner {
    padding: 10px 14px;
  }

  .brand {
    font-size: 17px;
  }

  .brand-sub {
    display: none;
  }

  .page-layout,
  .sidebar-left .page-layout,
  .page-layout.sidebar-left {
    padding: 16px 14px 28px;
  }

  .hero-intro,
  .hero-quick,
  .split-col,
  .compare-col,
  .error-panel {
    padding: 18px 16px;
  }

  .field-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    padding: 12px 14px;
  }

  .field-row-head {
    display: none;
  }

  .compare-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .direction-row {
    padding: 14px;
  }

  .direction-link,
  .split-link {
    padding: 9px 16px;
  }

  .step-list,
  .rule-list,
  .type-list,
  .related-list,
  .index-grid,
  .faq-next-list,
  .error-guide-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .index-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    padding: 24px 14px 18px;
  }

  .footer-copy {
    padding: 12px 14px;
  }

  .faq-item summary {
    padding: 13px 40px 13px 14px;
    font-size: 15px;
  }

  .faq-item p {
    padding: 0 14px 12px;
  }

  .site-error .error-main {
    padding: 32px 14px 40px;
  }
}