:root {
  --paper: #F7F5F0;
  --paper-light: #FFFFFF;
  --ink: #1C2A3A;
  --ink-soft: #4A5A6B;
  --cinnabar: #B23A2E;
  --rule: #D9D3C7;
  --wash: #EDE9E1;
  --radius: 6px;
  --font-serif: "Songti SC", "SimSun", "Source Han Serif SC", Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --shell: 1160px;
  --content: 760px;
  --aside: 320px;
  --gap: 80px;
}

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

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

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

body.site-body {
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

body.site-body,
body.site-home,
body.site-inner,
body.site-error {
  background-color: var(--paper);
  color: var(--ink);
}

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

p {
  margin: 0 0 1em;
}

p:last-child {
  margin-bottom: 0;
}

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

a {
  color: var(--cinnabar);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease;
}

a:hover {
  color: #8E2C22;
}

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

figure {
  margin: 0;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}

strong {
  font-weight: 700;
  color: var(--ink);
}

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

::selection {
  background: #E8D9D4;
}

/* 通用链接样式 */
.link-inline {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--cinnabar);
  font-size: 15px;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}

.link-inline::after {
  content: "→";
  font-size: 13px;
}

.link-inline:hover {
  border-bottom-color: var(--cinnabar);
}

/* 期号 / 模块标记 */
.issue-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cinnabar);
}

.issue-tag .issue-no {
  font-weight: 700;
}

.module-tag,
.section-tag,
.issue-label {
  display: inline-block;
  margin: 0 0 10px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cinnabar);
  background: var(--wash);
  border-left: 2px solid var(--cinnabar);
}

/* ============================================================
   layout — 全站骨架
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--paper-light);
  border-bottom: 1px solid var(--rule);
}

.header-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 68px;
}

.brand {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  text-decoration: none;
  color: var(--ink);
  padding: 10px 0;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
}

.brand-sub {
  font-size: 12px;
  line-height: 1.4;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

.site-nav {
  margin-left: auto;
}

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

.nav-item a {
  display: block;
  padding: 8px 10px;
  font-size: 14.5px;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.nav-item a:hover {
  color: var(--ink);
  background: var(--wash);
}

.nav-item.is-current a,
.nav-item a.is-current {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--ink);
}

.site-main {
  display: block;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px 72px;
}

.inner-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 28px 24px 72px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 4px 0 14px;
  font-size: 13.5px;
  color: var(--ink-soft);
}

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

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

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

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

/* 页面标题区 */
.page-header {
  padding: 8px 0 22px;
  border-bottom: 1px solid var(--rule);
}

.page-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-head {
  padding: 22px 0 8px;
}

.page-title-block {
  padding: 4px 0 18px;
}

.page-summary,
.page-lead,
.page-description {
  max-width: 68ch;
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.85;
}

/* 内页两栏布局：主内容在前，aside 在后 */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, var(--content)) var(--aside);
  gap: var(--gap);
  align-items: start;
  padding-top: 28px;
}

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

.page-layout.container {
  padding-left: 24px;
  padding-right: 24px;
}

.layout-inner {
  display: contents;
}

.content-main,
.layout-main,
.main-column,
.layout-shell {
  min-width: 0;
}

.content-aside,
.layout-aside,
.side-column,
.page-aside,
.content-side {
  min-width: 0;
  background: var(--wash);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 22px 20px;
}

/* ============================================================
   components — 通用模块
   ============================================================ */

.section,
.section-block,
.block {
  padding: 40px 0;
  border-bottom: 1px solid var(--rule);
}

.section:last-child,
.section-block:last-child,
.block:last-child {
  border-bottom: 0;
}

.section-head {
  margin-bottom: 22px;
}

.section-head h2,
.section-title,
.block h2 {
  font-size: 25px;
  line-height: 1.35;
}

.section-lead,
.section-intro,
.section-note,
.section-desc,
.block-lead {
  max-width: 68ch;
  margin-top: 10px;
  font-size: 15.5px;
  color: var(--ink-soft);
  line-height: 1.85;
}

.section-foot {
  margin-top: 20px;
}

/* 通用按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  font-size: 15px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  background: var(--cinnabar);
  color: #FFFFFF;
  border-color: var(--cinnabar);
}

.btn-primary:hover {
  background: #8E2C22;
  border-color: #8E2C22;
  color: #FFFFFF;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}

.btn-ghost:hover {
  background: var(--wash);
  color: var(--ink);
  border-color: var(--ink-soft);
}

/* 表格 */
.table-wrap {
  margin: 22px 0 0;
  overflow-x: auto;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.7;
}

.table-caption,
.data-table caption {
  caption-side: top;
  padding: 14px 16px;
  text-align: left;
  font-size: 13.5px;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--rule);
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--rule);
  font-variant-numeric: tabular-nums;
}

.data-table thead th {
  background: var(--wash);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.data-table tbody th {
  font-weight: 600;
  color: var(--ink);
}

.data-table td {
  color: var(--ink-soft);
}

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

.data-table tbody tr:hover th,
.data-table tbody tr:hover td {
  background: #FBF9F5;
}

/* 图片容器 */
figure img,
.media-figure img,
.media-block img,
.content-figure img,
.work-figure img,
.page-media img,
.section-figure img,
.section-media img,
.hero-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--rule);
  background: var(--wash);
}

figcaption,
.media-figure figcaption,
.content-figure figcaption,
.work-figure figcaption,
.page-media figcaption,
.section-figure figcaption,
.section-media figcaption,
.hero-figure figcaption {
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* 入口带 */
.entry-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.entry-card,
.entry-item,
.entry-band-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  color: var(--ink);
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.entry-card:hover,
.entry-item:hover,
.entry-band-item:hover {
  border-color: var(--ink-soft);
  background: #FBF9F5;
  color: var(--ink);
}

.entry-name,
.entry-band-link {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

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

/* 相关栏目入口 */
.related-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.related-item {
  padding: 14px 16px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.related-item a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--ink);
}

.related-name {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
}

.related-desc {
  font-size: 13.5px;
  color: var(--ink-soft);
}

.related-item:hover {
  border-color: var(--ink-soft);
}

.back-entry {
  margin-top: 20px;
  font-size: 15px;
}

/* FAQ 折叠项 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 14px 18px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::before {
  content: "+";
  flex-shrink: 0;
  width: 18px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cinnabar);
}

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

.faq-item[open] .faq-question {
  border-bottom: 1px solid var(--rule);
}

.faq-answer {
  padding: 14px 18px 16px 46px;
}

.faq-answer p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.85;
}

/* 侧栏块 */
.aside-title,
.side-title {
  font-size: 17px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

.aside-subtitle {
  font-size: 15px;
  margin-bottom: 6px;
  color: var(--ink);
}

.aside-block,
.side-block {
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.aside-block:last-child,
.side-block:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.aside-block p,
.side-text {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
}

.aside-links li,
.aside-list li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.aside-links a,
.aside-list a {
  color: var(--cinnabar);
}

.aside-text {
  font-size: 14px;
  color: var(--ink-soft);
}

.side-item {
  padding: 8px 0;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
  border-bottom: 1px solid var(--rule);
}

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

.side-link {
  margin-top: 12px;
}

/* 阅读进度条 */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 80;
  width: 0;
  height: 3px;
  background: var(--cinnabar);
}

/* ============================================================
   pages — 首页
   ============================================================ */

.home-main {
  padding-top: 0;
}

.hero-section {
  padding: 48px 0 44px;
  border-bottom: 1px solid var(--rule);
}

.hero-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

.hero-index {
  padding: 22px 20px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.hero-index-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cinnabar);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}

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

.index-item {
  border-bottom: 1px solid var(--rule);
}

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

.index-item a {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  color: var(--ink);
}

.index-item a:hover {
  color: var(--cinnabar);
}

.index-no {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--cinnabar);
  padding-top: 2px;
}

.index-name {
  display: block;
  font-family: var(--font-serif);
  font-size: 15.5px;
  font-weight: 700;
}

.index-desc {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
}

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

.hero-lead h1 {
  font-size: 40px;
  line-height: 1.28;
  margin-bottom: 16px;
}

.hero-summary {
  max-width: 62ch;
  font-size: 16.5px;
  color: var(--ink-soft);
  line-height: 1.85;
}

.hero-note {
  max-width: 62ch;
  font-size: 14.5px;
  color: var(--ink-soft);
  padding-left: 14px;
  border-left: 2px solid var(--rule);
}

.hero-figure {
  margin: 22px 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* 现象选择区 */
.phenomenon-list,
.phenomena-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.phenomenon-item {
  padding: 20px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  transition: border-color 0.18s ease;
}

.phenomenon-item:hover {
  border-color: var(--ink-soft);
}

.phenomenon-name {
  font-size: 18px;
  margin-bottom: 8px;
}

.phenomenon-sign {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: 12px;
}

.phenomenon-link {
  margin: 0;
}

/* 决策树 */
.decision-tree,
.decision-track {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.decision-step {
  padding: 20px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--cinnabar);
  border-radius: var(--radius);
}

.decision-question {
  font-size: 17px;
  margin-bottom: 10px;
}

.decision-branches {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.decision-branch {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.8;
  padding-left: 14px;
  position: relative;
}

.decision-branch::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 1px;
  background: var(--cinnabar);
}

/* 交付阶段条 */
.stage-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}

.stage-node {
  padding: 20px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.stage-no {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cinnabar);
}

.stage-name {
  font-size: 18px;
  margin-bottom: 8px;
}

.stage-goal {
  font-size: 14.5px;
  color: var(--ink);
  line-height: 1.8;
  margin-bottom: 6px;
}

.stage-output {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.75;
  margin: 0;
}

/* 工作方式区 */
.work-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.work-notes {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.work-note {
  padding: 18px 20px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.work-note-title {
  font-size: 17px;
  margin-bottom: 8px;
}

.work-note p {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.8;
}

/* 资料准备带 */
.prep-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.prep-item {
  padding: 18px 20px;
  background: var(--wash);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.prep-name {
  font-size: 17px;
  margin-bottom: 8px;
}

.prep-desc {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin: 0;
}

/* 来源与口径说明侧栏 */
.section-rules {
  border-bottom: 0;
}

.rule-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.rule-item {
  padding: 16px 18px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.rule-name {
  font-size: 16px;
  margin-bottom: 6px;
}

.rule-desc {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin: 0;
}

/* ============================================================
   pages — 服务主题（topics）
   ============================================================ */

.section-inner {
  min-width: 0;
}

.page-head-inner {
  min-width: 0;
}

.media-block {
  margin-top: 26px;
}

.phenomena-list {
  margin-top: 4px;
}

.decision-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 48px;
  padding: 14px 16px;
  text-align: left;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
}

.decision-btn:hover {
  border-color: var(--ink-soft);
}

.decision-index {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cinnabar);
}

.decision-panel {
  margin-top: 10px;
  padding: 14px 16px;
  background: var(--wash);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.decision-panel p {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.8;
}

.decision-entry {
  margin: 0;
}

/* ============================================================
   pages — 基础服务（foundation）
   ============================================================ */

.page-hero {
  padding: 8px 0 20px;
  border-bottom: 1px solid var(--rule);
}

.page-hero .container {
  padding-left: 0;
  padding-right: 0;
}

.action-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.action-item {
  padding: 18px 20px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--cinnabar);
  border-radius: var(--radius);
}

.action-name {
  font-size: 17px;
  margin-bottom: 6px;
}

.action-desc {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: 6px;
}

.action-output {
  font-size: 13.5px;
  color: var(--cinnabar);
  margin: 0;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 6px;
}

.filter-btn {
  min-height: 40px;
  padding: 8px 16px;
  font-size: 14px;
  background: var(--paper-light);
  color: var(--ink-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.filter-btn:hover {
  border-color: var(--ink-soft);
  color: var(--ink);
}

.filter-btn.is-active {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: #FFFFFF;
}

.media-figure {
  margin: 22px 0 0;
}

.output-table .status {
  display: inline-block;
  padding: 1px 8px;
  font-size: 12.5px;
  border-radius: 3px;
  border: 1px solid var(--rule);
  background: var(--wash);
  color: var(--ink-soft);
}

.output-table .status-running {
  color: var(--cinnabar);
  border-color: #E4C4BE;
  background: #FBF1EF;
}

.output-table .status-final {
  color: #2F5D3A;
  border-color: #C3D6C6;
  background: #F0F5F1;
}

.output-table .status-pending {
  color: var(--ink-soft);
}

.confirm-list {
  margin: 0;
}

.confirm-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

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

.confirm-term {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}

.confirm-desc {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.8;
}

.next-band {
  border-bottom: 0;
}

/* ============================================================
   pages — 进阶专题（advanced）
   ============================================================ */

.content-figure {
  margin: 0 0 8px;
}

.content-section {
  padding: 32px 0;
  border-bottom: 1px solid var(--rule);
}

.content-section:last-child {
  border-bottom: 0;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.topic-card {
  padding: 18px 20px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.topic-name {
  font-size: 17px;
  margin-bottom: 10px;
}

.topic-goal,
.topic-output,
.topic-prereq {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin: 0 0 6px;
}

.topic-goal {
  color: var(--ink);
}

.topic-prereq {
  margin-bottom: 0;
  color: var(--cinnabar);
}

.topic-key {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cinnabar);
}

.link-list {
  margin-top: 14px;
}

.link-item {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  font-size: 14.5px;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--rule);
}

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

.link-key {
  flex-shrink: 0;
  color: var(--cinnabar);
  font-family: var(--font-mono);
  font-size: 12px;
  padding-top: 3px;
}

.content-side .side-title {
  font-size: 17px;
}

/* ============================================================
   pages — 术语与口径（glossary）
   ============================================================ */

.page-media {
  margin-top: 20px;
}

.term-table,
.confusion-table {
  margin-top: 18px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.term-row,
.confusion-row {
  display: grid;
  border-bottom: 1px solid var(--rule);
}

.term-row {
  grid-template-columns: 160px minmax(0, 1fr) 200px;
}

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

.term-row:last-child,
.confusion-row:last-child {
  border-bottom: 0;
}

.term-head,
.confusion-head {
  background: var(--wash);
  font-weight: 700;
}

.term-cell,
.confusion-cell {
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.75;
  border-right: 1px solid var(--rule);
}

.term-cell:last-child,
.confusion-cell:last-child {
  border-right: 0;
}

.term-name,
.confusion-raw {
  font-weight: 600;
  color: var(--ink);
}

.term-def,
.term-use,
.confusion-right {
  color: var(--ink-soft);
}

.confusion-note {
  margin: 0;
  padding: 10px 16px;
  font-size: 13.5px;
  color: var(--ink-soft);
  background: #FBF9F5;
  border-bottom: 1px solid var(--rule);
}

.calibration-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.calibration-step {
  padding: 18px 20px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.calibration-step .step-no {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cinnabar);
}

.calibration-step .step-name {
  font-size: 17px;
  margin-bottom: 6px;
}

.calibration-step .step-desc {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin: 0;
}

.entry-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.entry-item .entry-link {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-aside .aside-block {
  padding: 14px 0;
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
}

.related-links-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.related-links-item {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 16px;
  font-size: 14.5px;
  color: var(--ink);
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.related-links-item:hover {
  border-color: var(--ink-soft);
  color: var(--cinnabar);
}

/* ============================================================
   pages — 交付专题（delivery）
   ============================================================ */

.section-delivery-index {
  padding-top: 28px;
}

.section-stage {
  padding: 34px 0;
  border-bottom: 1px solid var(--rule);
}

.stage-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
  margin-top: 18px;
}

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

.stage-aside {
  min-width: 0;
  padding: 18px 20px;
  background: var(--wash);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.stage-subtitle {
  font-size: 16px;
  margin: 16px 0 8px;
}

.stage-subtitle:first-child {
  margin-top: 0;
}

.stage-main > p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.85;
}

.stage-list li {
  position: relative;
  padding: 6px 0 6px 18px;
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.8;
}

.stage-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 6px;
  height: 1px;
  background: var(--cinnabar);
}

.section-media {
  margin: 34px 0 0;
}

.section-return {
  padding: 34px 0;
}

.return-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.return-item {
  padding: 16px 18px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.return-name {
  font-size: 16px;
  margin-bottom: 6px;
}

.return-item p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
}

.section-entry-band {
  padding: 34px 0;
}

.entry-band-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.entry-band-item p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.75;
}

.section-related {
  padding: 30px 0 0;
  border-bottom: 0;
}

/* ============================================================
   pages — 常见问题（faq）
   ============================================================ */

.faq-group {
  padding: 32px 0;
  border-bottom: 1px solid var(--rule);
}

.faq-group:last-of-type {
  border-bottom: 0;
}

.entry-band .entry-list {
  margin-top: 0;
}

/* ============================================================
   pages — 合作启动（onboarding）
   ============================================================ */

.flow-track {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.flow-step {
  padding: 20px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--cinnabar);
  border-radius: var(--radius);
}

.flow-index {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cinnabar);
}

.flow-name {
  font-size: 17px;
  margin-bottom: 8px;
}

.flow-desc {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: 8px;
}

.flow-done {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink);
  padding-top: 8px;
  border-top: 1px solid var(--rule);
}

.prepare-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.prepare-item {
  padding: 18px 20px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.prepare-name {
  font-size: 17px;
  margin-bottom: 8px;
}

.prepare-need {
  font-size: 14.5px;
  color: var(--ink);
  line-height: 1.8;
  margin-bottom: 6px;
}

.prepare-note {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.75;
}

.section-next {
  border-bottom: 0;
}

/* ============================================================
   pages — 404
   ============================================================ */

.error-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 72px 24px 96px;
}

.error-panel {
  max-width: 620px;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--cinnabar);
  margin-bottom: 12px;
}

.error-panel h1 {
  font-size: 34px;
  margin-bottom: 14px;
}

.error-text {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-bottom: 24px;
}

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

/* ============================================================
   footer
   ============================================================ */

.site-footer {
  background: var(--paper-light);
  border-top: 1px solid var(--rule);
  margin-top: 0;
}

.footer-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 44px 24px 28px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  align-items: start;
}

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

.footer-brand {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin: 0;
}

.footer-title {
  font-size: 15px;
  margin-bottom: 12px;
  color: var(--ink);
}

.footer-links li {
  padding: 4px 0;
}

.footer-links a {
  font-size: 14px;
  color: var(--ink-soft);
}

.footer-links a:hover {
  color: var(--cinnabar);
}

.footer-boundary p {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin: 0;
}

.footer-cta p {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: 8px;
}

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

.copyright {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 16px 24px;
  font-size: 13px;
  color: var(--ink-soft);
}

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

@media (max-width: 1024px) {
  :root {
    --gap: 44px;
    --aside: 280px;
  }

  .hero-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 36px;
  }

  .hero-lead h1 {
    font-size: 34px;
  }

  .stage-grid {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 28px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 0 16px;
    min-height: 60px;
  }

  .nav-toggle {
    display: flex;
  }

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

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 6px 0 12px;
    border-top: 1px solid var(--rule);
  }

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

  .nav-item a {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 12px 6px;
    font-size: 16px;
    border-bottom: 1px solid var(--rule);
    border-left: 3px solid transparent;
    white-space: normal;
  }

  .nav-item.is-current a,
  .nav-item a.is-current {
    border-bottom-color: var(--rule);
    border-left-color: var(--cinnabar);
    background: var(--wash);
  }

  .site-main,
  .inner-main {
    padding-left: 16px;
    padding-right: 16px;
    padding-bottom: 48px;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .page-layout.container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .page-title,
  .error-panel h1 {
    font-size: 26px;
  }

  .section-head h2,
  .section-title,
  .block h2 {
    font-size: 21px;
  }

  .hero-section {
    padding: 28px 0 32px;
  }

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

  .hero-lead h1 {
    font-size: 27px;
  }

  .hero-summary {
    font-size: 15.5px;
  }

  .work-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

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

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

  .term-cell,
  .confusion-cell {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .term-cell:last-child,
  .confusion-cell:last-child {
    border-bottom: 0;
  }

  .term-head .term-cell,
  .confusion-head .confusion-cell {
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--cinnabar);
  }

  .data-table {
    font-size: 13.5px;
  }

  .data-table th,
  .data-table td {
    padding: 10px 12px;
  }

  .section,
  .section-block,
  .block,
  .content-section,
  .section-stage,
  .faq-group {
    padding: 28px 0;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 32px 16px 22px;
  }

  .copyright {
    padding: 14px 16px;
  }
}

@media (max-width: 480px) {
  body.site-body {
    font-size: 15px;
    line-height: 1.8;
  }

  .brand-name {
    font-size: 19px;
  }

  .brand-sub {
    font-size: 11.5px;
  }

  .hero-lead h1 {
    font-size: 24px;
  }

  .page-title,
  .error-panel h1 {
    font-size: 23px;
  }

  .section-head h2,
  .section-title,
  .block h2 {
    font-size: 19px;
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .faq-answer {
    padding: 12px 16px 14px 16px;
  }

  .phenomenon-list,
  .phenomena-list,
  .decision-tree,
  .decision-track,
  .stage-strip,
  .prep-list,
  .rule-list,
  .topic-grid,
  .flow-track,
  .prepare-list,
  .return-list,
  .entry-band,
  .entry-band-list,
  .entry-list,
  .related-list,
  .calibration-steps {
    grid-template-columns: minmax(0, 1fr);
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}