/* ==========================================================================
   国产51精品入口吃瓜爆料 · 整站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* ==========================================================================
   base
   ========================================================================== */

:root {
  --ink: #101820;
  --ink-soft: #4b5563;
  --paper: #f6f7f5;
  --panel: #ffffff;
  --brand: #1f5f4b;
  --warn: #b9662f;
  --line: #dfe3dd;
  --radius-sm: 4px;
  --radius-md: 6px;
  --shell: 1120px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;
}

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

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

body.site-body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd,
figure,
blockquote {
  margin: 0;
}

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

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

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

table {
  border-collapse: collapse;
  width: 100%;
}

caption {
  text-align: left;
}

.mono,
.mono-block,
.node-num,
.node-tag,
.service-code,
.doc-version,
.doc-date,
.meta-value,
.meta-version,
.meta-date,
.term-name,
.status-tag,
.error-code {
  font-family: var(--font-mono);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

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

/* ==========================================================================
   layout · 骨架容器
   ========================================================================== */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
}

.site-main {
  display: block;
  padding-bottom: 64px;
}

.inner-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px 64px;
}

/* 面包屑 */
.breadcrumb {
  font-size: 13px;
  color: var(--ink-soft);
  padding: 16px 0 0;
}

.breadcrumb a {
  color: var(--ink-soft);
}

.breadcrumb a:hover {
  color: var(--brand);
}

.breadcrumb-sep {
  margin: 0 6px;
  color: var(--line);
}

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

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--ink-soft);
  padding: 16px 0 0;
  list-style: none;
}

.breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 4px;
}

.breadcrumb-list a {
  color: var(--ink-soft);
}

/* 页面标题区 */
.page-header {
  padding: 20px 0 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}

.page-title {
  font-size: 32px;
  line-height: 1.35;
  font-weight: 600;
  color: var(--ink);
  max-width: 820px;
}

.page-head {
  border-bottom: 1px solid var(--line);
  padding: 24px 0 20px;
  margin-bottom: 32px;
}

.page-head-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.page-head-main {
  flex: 1 1 520px;
  min-width: 0;
}

.site-brand-heading {
  font-size: 32px;
  line-height: 1.35;
  font-weight: 600;
  color: var(--ink);
}

.page-head-desc,
.page-head-lead,
.page-lead,
.page-lede {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
  margin-top: 10px;
  max-width: 720px;
}

.page-head-meta,
.page-meta {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-soft);
  text-align: right;
}

.page-meta dt {
  font-size: 12px;
  color: var(--ink-soft);
}

.page-meta dd {
  margin: 0;
  color: var(--ink);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meta-line {
  display: flex;
  gap: 8px;
  align-items: baseline;
}

.meta-label {
  font-size: 12px;
  color: var(--ink-soft);
}

.meta-value {
  font-size: 13px;
  color: var(--ink);
}

.doc-version,
.doc-date,
.meta-version,
.meta-date {
  font-size: 13px;
  color: var(--ink-soft);
}

/* 左右两栏布局：默认 main 在前，aside 在后 */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 40px;
  align-items: start;
}

.page-layout.sidebar-left {
  grid-template-columns: 240px minmax(0, 1fr);
}

.delivery-layout {
  grid-template-columns: minmax(0, 1fr) 260px;
}

.coop-layout {
  grid-template-columns: minmax(0, 1fr) 280px;
}

/* ==========================================================================
   components · 页头 / 导航
   ========================================================================== */

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

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 64px;
}

.brand {
  flex: 0 0 auto;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.brand:hover {
  color: var(--brand);
  text-decoration: none;
}

.main-nav {
  flex: 1 1 auto;
  min-width: 0;
}

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

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 10px;
  font-size: 14px;
  color: var(--ink-soft);
  border-radius: var(--radius-sm);
}

.nav-link:hover {
  color: var(--brand);
  background: var(--paper);
  text-decoration: none;
}

.nav-link.is-current {
  color: var(--brand);
  font-weight: 600;
}

/* 服务范围下拉 */
.scope-menu {
  position: relative;
  flex: 0 0 auto;
}

.scope-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 0 12px;
  font-size: 14px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
}

.scope-trigger::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--ink-soft);
}

.scope-trigger:hover,
.scope-trigger[aria-expanded="true"] {
  border-color: var(--brand);
  color: var(--brand);
}

.scope-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 300px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(16, 24, 32, 0.08);
  padding: 14px 16px;
  z-index: 50;
}

.scope-panel[hidden] {
  display: none;
}

.scope-note {
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-soft);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 8px;
}

.scope-options {
  display: flex;
  flex-direction: column;
}

.scope-option {
  display: block;
  padding: 8px 10px;
  font-size: 14px;
  color: var(--ink);
  border-radius: var(--radius-sm);
}

.scope-option:hover,
.scope-option:focus-visible {
  background: var(--paper);
  color: var(--brand);
  text-decoration: none;
}

/* 移动端汉堡 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
}

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

.mobile-nav {
  border-top: 1px solid var(--line);
  background: var(--panel);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  padding: 8px 24px 16px;
}

.mobile-nav-list a {
  display: flex;
  align-items: center;
  min-height: 48px;
  font-size: 15px;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.mobile-nav-list a:hover {
  color: var(--brand);
  text-decoration: none;
}

/* ==========================================================================
   components · 通用按钮 / 链接 / 标签
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  font-size: 15px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--brand);
  color: #ffffff;
}

.btn-primary:hover {
  background: #17493a;
  color: #ffffff;
}

.btn-ghost {
  background: var(--panel);
  color: var(--brand);
  border-color: var(--brand);
}

.btn-ghost:hover {
  background: #eef4f1;
  color: var(--brand);
}

.tag {
  display: inline-block;
  font-size: 12px;
  line-height: 1.6;
  padding: 1px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  background: var(--paper);
}

.tag-open {
  color: var(--brand);
  border-color: #b7d2c7;
  background: #eef4f1;
}

.tag-review {
  color: var(--warn);
  border-color: #e2c3a9;
  background: #fbf2ea;
}

.status-tag {
  display: inline-block;
  font-size: 12px;
  padding: 1px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  color: var(--ink-soft);
}

.status-open {
  color: var(--brand);
  border-color: #b7d2c7;
  background: #eef4f1;
}

.status-limited {
  color: var(--warn);
  border-color: #e2c3a9;
  background: #fbf2ea;
}

/* 区块标题组 */
.section-head {
  margin-bottom: 24px;
}

.section-head h2,
.section-title {
  font-size: 20px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--ink);
}

.section-intro,
.section-desc,
.section-lead {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin-top: 8px;
  max-width: 720px;
}

.section-note,
.doc-note,
.group-index-note,
.node-index-note,
.index-note,
.faq-related-note,
.coop-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* 相关链接条 */
.related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.related-links-label {
  color: var(--ink-soft);
  font-size: 13px;
}

.related-links-item {
  color: var(--brand);
}

/* 表格通用 */
.table-wrap,
.table-scroll {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
}

.table-wrap table,
.table-scroll table {
  min-width: 640px;
  font-size: 14px;
}

.table-wrap th,
.table-wrap td,
.table-scroll th,
.table-scroll td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.table-wrap thead th,
.table-scroll thead th {
  font-weight: 600;
  font-size: 13px;
  color: var(--ink);
  background: var(--paper);
  white-space: nowrap;
}

.table-wrap tbody tr:last-child td,
.table-scroll tbody tr:last-child td {
  border-bottom: 0;
}

.table-wrap tbody tr:hover td,
.table-scroll tbody tr:hover td {
  background: #fafbf9;
}

/* 图片容器 */
figure {
  margin: 0;
}

figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  object-fit: cover;
  background: var(--panel);
}

figcaption {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-top: 8px;
}

/* 折叠问答（首页） */
.faq-items {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item:last-child {
  border-bottom: 0;
}

.faq-question {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.faq-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  min-height: 52px;
  padding: 12px 16px;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.faq-toggle::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--brand);
}

.faq-toggle[aria-expanded="true"]::after {
  content: "−";
}

.faq-answer {
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.faq-answer[hidden] {
  display: none;
}

.faq-link,
.fields-link,
.scope-link,
.track-link {
  margin-top: 16px;
  font-size: 14px;
}

/* ==========================================================================
   components · 页脚
   ========================================================================== */

.site-footer {
  background: var(--panel);
  border-top: 1px solid var(--line);
  padding: 40px 0 24px;
  margin-top: 24px;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.footer-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.footer-slogan {
  font-size: 14px;
  color: var(--brand);
  margin-top: 6px;
}

.footer-desc,
.footer-scope {
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin-top: 10px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

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

.footer-col a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 13px;
  color: var(--ink-soft);
}

.footer-col a:hover {
  color: var(--brand);
}

.footer-bottom {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-soft);
}

/* ==========================================================================
   pages · 首页
   ========================================================================== */

.home-main {
  padding-bottom: 72px;
}

/* 首屏 */
.hero {
  padding: 48px 0 56px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.hero-grid {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  grid-template-areas:
    "index lead"
    "index visual";
  gap: 32px 48px;
  align-items: start;
}

.hero-lead {
  grid-area: lead;
  min-width: 0;
}

.hero-visual {
  grid-area: visual;
}

.hero-index {
  grid-area: index;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px;
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brand);
  margin-bottom: 12px;
}

.hero-lead h1 {
  font-size: 40px;
  line-height: 1.3;
  font-weight: 600;
  color: var(--ink);
  max-width: 720px;
}

.hero-text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-top: 16px;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.hero-index-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}

.index-list {
  display: flex;
  flex-direction: column;
}

.index-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.index-list li:last-child {
  border-bottom: 0;
}

.index-list a {
  color: var(--ink);
}

.index-list a:hover {
  color: var(--brand);
}

.index-list span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
}

.index-note {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

/* 服务目录速览 */
.service-rows {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.service-rows-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px;
  align-items: start;
}

.service-row-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  overflow: hidden;
}

.service-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) 150px;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.service-row:last-child {
  border-bottom: 0;
}

.service-row:hover {
  background: #fafbf9;
}

.row-id {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brand);
}

.row-body {
  min-width: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.row-body strong {
  display: block;
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 4px;
}

.row-side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
}

.rows-visual img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* 推进流程概览 */
.process-track {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.track-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.track-item {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.track-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.track-head .mono {
  font-size: 13px;
  color: var(--brand);
}

.track-head h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.track-meta,
.track-output {
  min-width: 0;
}

.track-meta .meta-label,
.track-output .meta-label {
  display: block;
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 4px;
}

.track-meta p,
.track-output p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

/* 服务范围与边界摘要 */
.scope-columns {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.scope-col {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 24px;
}

.scope-col h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}

.scope-col-in h3 {
  color: var(--brand);
}

.scope-col-out h3 {
  color: var(--warn);
}

.scope-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.scope-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--line);
}

.scope-col-in .scope-list li::before {
  background: var(--brand);
}

.scope-col-out .scope-list li::before {
  background: var(--warn);
}

/* 交付对接要点 */
.delivery-fields {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.fields-table {
  min-width: 640px;
  font-size: 14px;
}

.fields-table th,
.fields-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.fields-table thead th {
  font-weight: 600;
  font-size: 13px;
  background: var(--paper);
  white-space: nowrap;
}

.fields-table tbody tr:last-child td {
  border-bottom: 0;
}

.fields-table tbody tr:hover td {
  background: #fafbf9;
}

.fields-table td:first-child {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brand);
  white-space: nowrap;
}

/* 常见问题摘录 */
.faq-list {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

/* 合作接洽准备 */
.coop-entry {
  padding: 56px 0 0;
}

.coop-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.coop-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px 22px;
}

.coop-item h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.coop-item p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.coop-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.coop-actions .coop-note {
  flex: 1 1 320px;
  min-width: 0;
}

/* ==========================================================================
   pages · 服务目录
   ========================================================================== */

.group-index {
  position: sticky;
  top: 88px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}

.group-index-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.group-index-list {
  display: flex;
  flex-direction: column;
}

.group-index-list li {
  border-bottom: 1px solid var(--line);
}

.group-index-list li:last-child {
  border-bottom: 0;
}

.group-index-list a {
  display: flex;
  align-items: center;
  min-height: 40px;
  font-size: 14px;
  color: var(--ink-soft);
}

.group-index-list a:hover {
  color: var(--brand);
}

.group-index-note {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.service-groups {
  display: flex;
  flex-direction: column;
  gap: 40px;
  min-width: 0;
}

.service-group {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px 26px 26px;
}

.group-title {
  font-size: 20px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--ink);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.content-media {
  margin-top: 18px;
}

.content-media-inline img {
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.group-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-top: 16px;
  max-width: 720px;
}

.service-groups .service-rows {
  display: flex;
  flex-direction: column;
  margin-top: 18px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.service-rows .service-row {
  grid-template-columns: 200px minmax(0, 1fr) 150px;
}

.service-row-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.service-code {
  font-size: 13px;
  color: var(--brand);
}

.service-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.service-row-body {
  min-width: 0;
}

.service-fit,
.service-deliver {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.service-deliver {
  margin-top: 6px;
}

.service-row-foot {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.service-link {
  font-size: 13px;
}

.group-support {
  margin-top: 20px;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.group-support-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

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

.group-support-list li {
  position: relative;
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.group-support-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand);
}

.service-status {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px 26px 26px;
}

.status-table {
  margin-top: 18px;
  min-width: 560px;
  font-size: 14px;
}

.status-table th,
.status-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.status-table thead th {
  font-weight: 600;
  font-size: 13px;
  background: var(--paper);
  white-space: nowrap;
}

.status-table tbody tr:last-child td {
  border-bottom: 0;
}

.status-table tbody tr:hover td {
  background: #fafbf9;
}

.service-status .section-note {
  margin-top: 14px;
}

/* ==========================================================================
   pages · 推进流程
   ========================================================================== */

.node-index {
  position: sticky;
  top: 88px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}

.aside-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.node-index-list {
  display: flex;
  flex-direction: column;
}

.node-index-list li {
  border-bottom: 1px solid var(--line);
}

.node-index-list li:last-child {
  border-bottom: 0;
}

.node-index-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-height: 40px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.node-index-link:hover {
  color: var(--brand);
}

.idx-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--brand);
}

.node-index-note {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.process-overview {
  margin-bottom: 32px;
}

.process-overview p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 720px;
}

.process-figure {
  margin-top: 18px;
}

.process-figure img {
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.node {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 24px 24px;
  margin-bottom: 20px;
}

.node-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.node-num {
  font-size: 13px;
  color: var(--brand);
}

.node-head h2 {
  font-size: 20px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--ink);
}

.node-tag {
  font-size: 12px;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1px 8px;
}

.node-body {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 18px;
}

.node-block {
  min-width: 0;
}

.node-block h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.node-block p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.node-points {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}

.node-points li {
  position: relative;
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.node-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand);
}

.node-check {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.check-summary {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 24px 24px;
  margin-top: 32px;
}

.check-summary h2 {
  font-size: 20px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--ink);
}

.check-summary > p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-top: 8px;
  max-width: 720px;
}

.check-summary .table-scroll {
  margin-top: 18px;
}

.check-table {
  min-width: 640px;
  font-size: 14px;
}

.check-table th,
.check-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.check-table thead th {
  font-weight: 600;
  font-size: 13px;
  background: var(--paper);
  white-space: nowrap;
}

.check-table tbody tr:last-child td {
  border-bottom: 0;
}

.check-table tbody tr:hover td {
  background: #fafbf9;
}

.process-links {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.process-links h2 {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}

.link-list a {
  font-size: 14px;
}

/* ==========================================================================
   pages · 交付对接规范
   ========================================================================== */

.section-jump {
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
  margin-bottom: 32px;
}

.section-jump-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.section-jump-list a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 14px;
  color: var(--ink-soft);
}

.section-jump-list a:hover {
  color: var(--brand);
}

.doc-section {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px 26px 26px;
  margin-bottom: 24px;
}

.doc-section > p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 720px;
}

.doc-section > h2 {
  font-size: 20px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.node-blocks {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.doc-section .node-block h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.doc-section .node-block p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.doc-figure {
  margin-top: 18px;
}

.doc-figure img {
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.doc-section .delivery-fields {
  margin-top: 18px;
  min-width: 720px;
  font-size: 14px;
}

.doc-section .delivery-fields th,
.doc-section .delivery-fields td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.doc-section .delivery-fields thead th {
  font-weight: 600;
  font-size: 13px;
  background: var(--paper);
  white-space: nowrap;
}

.doc-section .delivery-fields tbody tr:last-child td {
  border-bottom: 0;
}

.doc-section .delivery-fields tbody tr:hover td {
  background: #fafbf9;
}

.doc-section .delivery-fields td:first-child {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brand);
  white-space: nowrap;
}

.doc-section .doc-note {
  margin-top: 14px;
}

.mono-block {
  margin-top: 16px;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink);
  white-space: pre-wrap;
}

.example-points {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 16px;
}

.example-points li {
  position: relative;
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.example-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--warn);
}

.reject-table {
  margin-top: 18px;
  min-width: 640px;
  font-size: 14px;
}

.reject-table th,
.reject-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.reject-table thead th {
  font-weight: 600;
  font-size: 13px;
  background: var(--paper);
  white-space: nowrap;
}

.reject-table tbody tr:last-child td {
  border-bottom: 0;
}

.reject-table tbody tr:hover td {
  background: #fafbf9;
}

.reject-table td:first-child {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--warn);
  white-space: nowrap;
}

.related {
  position: sticky;
  top: 88px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}

.related h2 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.related-list {
  display: flex;
  flex-direction: column;
}

.related-list li {
  border-bottom: 1px solid var(--line);
}

.related-list li:last-child {
  border-bottom: 0;
}

.related-list a {
  display: flex;
  align-items: center;
  min-height: 40px;
  font-size: 14px;
  color: var(--ink-soft);
}

.related-list a:hover {
  color: var(--brand);
}

/* ==========================================================================
   pages · 服务范围
   ========================================================================== */

.scope-intro {
  padding-bottom: 32px;
}

.scope-figure img {
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.prose {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 720px;
  margin-top: 16px;
}

.scope-included {
  padding: 32px 0;
  border-top: 1px solid var(--line);
}

.scope-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 20px;
}

.scope-group {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 24px;
}

.scope-group-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.scope-group-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 16px;
}

.scope-list-block {
  min-width: 0;
}

.scope-list-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  margin-bottom: 8px;
}

.scope-group .scope-list li {
  font-size: 14px;
}

.scope-excluded {
  padding: 32px 0;
  border-top: 1px solid var(--line);
}

.excluded-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 24px;
  margin-top: 20px;
}

.excluded-list li {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px 18px;
}

.excluded-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--warn);
  margin-bottom: 6px;
}

.excluded-list li p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.coop-modes {
  padding: 32px 0 0;
  border-top: 1px solid var(--line);
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 20px;
}

.mode-block {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 24px;
}

.mode-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.mode-field {
  margin-top: 14px;
}

.mode-field-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  margin-bottom: 6px;
}

.mode-field p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

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

/* ==========================================================================
   pages · 术语口径
   ========================================================================== */

.term-list {
  margin-bottom: 40px;
}

.term-list > h2,
.misuse-table > h2,
.rationale > h2,
.faq-group > h2,
.faq-intro > h2 {
  font-size: 20px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--ink);
}

.term-list > .section-desc,
.misuse-table > .section-desc {
  margin-top: 8px;
}

.term-figure {
  margin-top: 18px;
}

.term-figure img {
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.term-dl {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 0 24px;
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.term-dl dt {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.term-dl dd {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

.term-name {
  font-size: 14px;
  color: var(--brand);
}

.term-mean {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.term-scene {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin-top: 6px;
}

.misuse-table {
  margin-bottom: 40px;
}

.misuse-table .table-scroll {
  margin-top: 18px;
}

.misuse-table table {
  min-width: 640px;
  font-size: 14px;
}

.misuse-table th,
.misuse-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.misuse-table thead th {
  font-weight: 600;
  font-size: 13px;
  background: var(--paper);
  white-space: nowrap;
}

.misuse-table tbody tr:last-child td {
  border-bottom: 0;
}

.misuse-table tbody tr:hover td {
  background: #fafbf9;
}

.rationale-body {
  margin-top: 16px;
}

.rationale-body p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 720px;
  margin-bottom: 14px;
}

.rationale-points {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 16px 0;
  max-width: 720px;
}

.rationale-points li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.rationale-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand);
}

/* ==========================================================================
   pages · 常见问题
   ========================================================================== */

.faq-intro {
  margin-bottom: 40px;
}

.faq-intro-body {
  margin-top: 12px;
  max-width: 720px;
}

.faq-intro-body p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.faq-intro-figure {
  margin-top: 18px;
}

.faq-intro-figure img {
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.faq-group {
  margin-bottom: 40px;
}

.faq-group .faq-list {
  display: flex;
  flex-direction: column;
  margin-top: 16px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  overflow: hidden;
}

.faq-group .faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-group .faq-item:last-child {
  border-bottom: 0;
}

.faq-group .faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.faq-group .faq-question::-webkit-details-marker {
  display: none;
}

.faq-group .faq-question::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--brand);
}

.faq-group .faq-item[open] .faq-question::after {
  content: "−";
}

.faq-group .faq-answer {
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.faq-group .faq-answer p {
  max-width: 720px;
}

.faq-more {
  margin-top: 10px;
  font-size: 14px;
}

.faq-related {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 24px;
}

.faq-related h2 {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.faq-related-note {
  margin-top: 8px;
}

.faq-related .related-list {
  margin-top: 12px;
}

/* ==========================================================================
   pages · 合作接洽
   ========================================================================== */

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

.coop-section {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px 26px 26px;
  margin-bottom: 24px;
}

.coop-section > h2 {
  font-size: 20px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--ink);
}

.coop-section > .section-lead {
  margin-top: 8px;
}

.section-figure {
  margin-top: 18px;
}

.section-figure img {
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.needs-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 24px;
  margin-top: 20px;
}

.needs-item {
  min-width: 0;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.needs-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

.needs-tip {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.checklist .table-scroll {
  margin-top: 18px;
}

.checklist-table {
  min-width: 640px;
  font-size: 14px;
}

.checklist-table th,
.checklist-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.checklist-table thead th {
  font-weight: 600;
  font-size: 13px;
  background: var(--paper);
  white-space: nowrap;
}

.checklist-table tbody tr:last-child td {
  border-bottom: 0;
}

.checklist-table tbody tr:hover td {
  background: #fafbf9;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
  counter-reset: step;
}

.step-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  counter-increment: step;
}

.step-item::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brand);
  padding-top: 3px;
}

.step-body {
  min-width: 0;
}

.step-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

.step-actions,
.step-next {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.step-next {
  margin-top: 6px;
  color: var(--brand);
}

.coop-side {
  position: sticky;
  top: 88px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px 22px;
}

.side-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.side-links {
  display: flex;
  flex-direction: column;
}

.side-links li {
  border-bottom: 1px solid var(--line);
}

.side-links li:last-child {
  border-bottom: 0;
}

.side-links a {
  display: flex;
  align-items: center;
  min-height: 40px;
  font-size: 14px;
  color: var(--ink-soft);
}

.side-links a:hover {
  color: var(--brand);
}

.side-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.side-note-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

.side-note p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

/* ==========================================================================
   pages · 404
   ========================================================================== */

.error-main {
  padding: 72px 0 80px;
}

.error-inner {
  max-width: 640px;
}

.error-code {
  font-size: 13px;
  color: var(--warn);
}

.error-title {
  font-size: 32px;
  line-height: 1.35;
  font-weight: 600;
  color: var(--ink);
  margin-top: 10px;
}

.error-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-top: 12px;
}

.error-reasons {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 20px;
}

.error-reasons li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.error-reasons li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--warn);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.error-links {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.error-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}

.error-links a {
  font-size: 14px;
}

/* ==========================================================================
   responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .page-layout,
  .page-layout.sidebar-left,
  .delivery-layout,
  .coop-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  /* 手机/平板：侧栏一律排到主内容之后 */
  .page-layout > aside,
  .page-layout > .group-index,
  .page-layout > .node-index,
  .page-layout > .related,
  .page-layout > .coop-side {
    position: static;
    order: 2;
  }

  .page-layout > main,
  .page-layout > .service-groups {
    order: 1;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "lead"
      "visual"
      "index";
    gap: 28px;
  }

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

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

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

  .node-body,
  .node-blocks,
  .mode-grid,
  .coop-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .track-item {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 12px 24px;
  }

  .track-output {
    grid-column: 2;
  }

  .service-row,
  .service-rows .service-row {
    grid-template-columns: 160px minmax(0, 1fr);
  }

  .row-side,
  .service-row-foot {
    grid-column: 2;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
  }
}

@media (max-width: 900px) {
  .main-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .header-inner {
    gap: 12px;
  }

  .scope-menu {
    margin-left: auto;
  }
}

@media (max-width: 640px) {
  .shell,
  .inner-main {
    padding-left: 16px;
    padding-right: 16px;
  }

  .page-title,
  .site-brand-heading,
  .error-title {
    font-size: 24px;
    line-height: 1.4;
  }

  .hero-lead h1 {
    font-size: 28px;
    line-height: 1.35;
  }

  .section-head h2,
  .section-title,
  .group-title,
  .check-summary h2,
  .doc-section > h2,
  .coop-section > h2,
  .term-list > h2,
  .misuse-table > h2,
  .rationale > h2,
  .faq-group > h2,
  .faq-intro > h2 {
    font-size: 18px;
  }

  .node-head h2 {
    font-size: 18px;
  }

  .hero {
    padding: 32px 0 40px;
  }

  .service-rows,
  .process-track,
  .scope-columns,
  .delivery-fields,
  .faq-list {
    padding: 40px 0;
  }

  .coop-entry {
    padding: 40px 0 0;
  }

  .scope-grid,
  .coop-list,
  .node-body,
  .node-blocks,
  .mode-grid,
  .scope-groups,
  .excluded-list,
  .needs-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .track-output {
    grid-column: auto;
  }

  .service-row,
  .service-rows .service-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .row-side,
  .service-row-foot {
    grid-column: auto;
  }

  .term-dl {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .term-dl dt {
    padding-bottom: 4px;
    border-bottom: 0;
  }

  .term-dl dd {
    padding-top: 4px;
  }

  .footer-nav {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .page-head-meta,
  .page-meta {
    text-align: left;
  }

  .scope-panel {
    width: min(300px, calc(100vw - 32px));
    right: -8px;
  }

  .step-item {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 12px;
    padding: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* 程序验收反馈：移动端正文优先 */
@media (max-width: 768px) {
  .site-main :is(.page-content, .main-content, .content-main) {
    order: 1;
  }

  .site-main :is(aside, .sidebar) {
    order: 2;
  }
}