/* ==========================================================================
   91制作厂 · jyc2222.com 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base：变量、重置、排版基础
   -------------------------------------------------------------------------- */
:root {
  --ink: #17313b;
  --route: #e8b226;
  --zone: #c4553b;
  --mist: #7f9aa6;
  --paper: #f5f2ec;
  --white: #ffffff;
  --sand: #d9d2c4;
  --charcoal: #22282a;
  --stone: #5d6a70;

  --font-serif: "Noto Serif SC", "Songti SC", "Source Han Serif SC", serif;
  --font-sans: -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-mono: ui-monospace, Consolas, "Courier New", monospace;

  --shell: 1120px;
  --read: 860px;
  --gutter: 28px;
  --radius: 6px;
  --header-h: 66px;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--charcoal);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.85;
  text-rendering: optimizeLegibility;
}

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

p {
  margin: 0 0 14px;
}

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

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

a {
  color: var(--ink);
  text-decoration: none;
  transition: color .18s ease, background-color .18s ease, border-color .18s ease;
}

a:hover {
  color: var(--zone);
}

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

figure {
  margin: 0;
}

figcaption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone);
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

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

th, td {
  text-align: left;
  vertical-align: top;
}

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

/* --------------------------------------------------------------------------
   layout：骨架（页头 / 导航 / 主容器 / 面包屑 / 页标题 / 页脚）
   -------------------------------------------------------------------------- */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--ink);
  border-bottom: 3px solid var(--route);
}

.header-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.brand {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  padding: 8px 0;
  white-space: nowrap;
}

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 11px 10px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 4px;
  flex-direction: column;
  justify-content: space-between;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--white);
  border-radius: 1px;
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1 1 auto;
  gap: 14px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
}

.nav-list > li {
  display: flex;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, .84);
  border-bottom: 2px solid transparent;
}

.nav-link:hover {
  color: var(--white);
  background: rgba(255, 255, 255, .08);
}

.nav-link.is-current {
  color: var(--route);
  border-bottom-color: var(--route);
}

.nav-tools {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-left: 14px;
  border-left: 1px solid rgba(255, 255, 255, .22);
}

.nav-tools > li {
  display: flex;
}

.nav-tool-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 10px;
  font-size: 13px;
  font-weight: 400;
  color: rgba(255, 255, 255, .72);
}

.nav-tool-link:hover {
  color: var(--route);
}

.nav-tool-link.is-current {
  color: var(--route);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.inner-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter) 56px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 18px 0 6px;
  font-size: 13px;
  color: var(--stone);
}

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

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

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

.breadcrumb-current {
  color: var(--ink);
  font-weight: 600;
}

.page-header {
  padding: 6px 0 18px;
  border-bottom: 1px solid var(--sand);
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-description {
  margin: 10px 0 0;
  max-width: var(--read);
  color: var(--stone);
  font-size: 14px;
}

.page-header-media {
  margin: 18px 0 0;
  max-width: var(--read);
}

.page-header-media img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--sand);
}

.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, .78);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 40px var(--gutter) 26px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 34px;
}

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

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.footer-brand-desc {
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .76);
  margin-bottom: 10px;
}

.footer-brand-note {
  font-size: 12.5px;
  color: rgba(255, 255, 255, .5);
  margin: 0;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--route);
  margin-bottom: 12px;
  letter-spacing: .5px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .78);
}

.footer-links a:hover {
  color: var(--route);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-resources-note {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .5);
}

.footer-bottom {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 16px var(--gutter) 26px;
  border-top: 1px solid rgba(255, 255, 255, .18);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, .5);
}

.footer-copyright,
.footer-disclaimer {
  margin: 0;
}

/* --------------------------------------------------------------------------
   components：通用区块、标题、摘要、表格、相关帮助、折叠问答
   -------------------------------------------------------------------------- */
.section,
.section-block,
.route-section,
.zone-section,
.exhibit-section,
.flow-section,
.checklist-section,
.faq-brief-section,
.catalog-guide,
.catalog-list,
.catalog-mapping,
.flow-overview,
.node-section,
.rework-section,
.reference-groups,
.reference-block,
.reference-deviation,
.content-section,
.faq-group {
  padding: 34px 0;
  border-top: 1px solid var(--sand);
}

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

.section-head h2,
.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}

.section-head h2 {
  margin-bottom: 8px;
}

.section-title {
  margin-bottom: 10px;
}

.section-desc,
.section-lead,
.section-intro {
  max-width: var(--read);
  color: var(--stone);
  font-size: 14px;
  line-height: 1.8;
  margin: 0 0 18px;
}

.section-desc {
  margin-bottom: 0;
}

.section-note {
  margin-top: 16px;
  padding-left: 14px;
  border-left: 3px solid var(--mist);
  font-size: 13.5px;
  color: var(--stone);
}

.summary-box,
.page-abstract {
  margin: 22px 0 0;
  padding: 16px 20px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-left: 4px solid var(--mist);
  border-radius: 0 var(--radius) var(--radius) 0;
  max-width: var(--read);
}

.summary-box p,
.page-abstract p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--charcoal);
}

.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--sand);
  border-radius: var(--radius);
  background: var(--white);
}

.data-table,
.param-table,
.checklist-table,
.mapping-table {
  width: 100%;
  min-width: 100%;
  font-size: 14px;
  background: var(--white);
}

.table-caption,
.param-table caption {
  caption-side: top;
  padding: 12px 14px;
  text-align: left;
  font-size: 13px;
  color: var(--stone);
  background: var(--paper);
  border-bottom: 1px solid var(--sand);
}

.data-table thead th,
.param-table thead th,
.checklist-table thead th,
.mapping-table thead th {
  background: #f3ded7;
  color: var(--ink);
  font-weight: 700;
  font-size: 13.5px;
  padding: 11px 14px;
  border-bottom: 2px solid var(--zone);
  border-right: 1px solid var(--sand);
  white-space: nowrap;
}

.data-table tbody th,
.data-table tbody td,
.param-table tbody td,
.checklist-table tbody th,
.checklist-table tbody td,
.mapping-table tbody th,
.mapping-table tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--sand);
  border-right: 1px solid var(--sand);
  line-height: 1.75;
  vertical-align: top;
}

.data-table tbody th,
.checklist-table tbody th,
.mapping-table tbody th {
  font-weight: 600;
  color: var(--ink);
  background: #faf8f4;
  white-space: nowrap;
}

.data-table thead th:last-child,
.data-table tbody td:last-child,
.data-table tbody th:last-child,
.param-table thead th:last-child,
.param-table tbody td:last-child,
.checklist-table thead th:last-child,
.checklist-table tbody th:last-child,
.checklist-table tbody td:last-child,
.mapping-table thead th:last-child,
.mapping-table tbody th:last-child,
.mapping-table tbody td:last-child {
  border-right: 0;
}

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

.param-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  white-space: nowrap;
}

.related-panel,
.related-help {
  margin: 34px 0 0;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
}

.related-title {
  font-size: 18px;
  margin-bottom: 16px;
}

.related-list,
.related-help-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.related-item,
.related-help-item {
  padding: 14px 16px;
  border-left: 3px solid var(--route);
  background: var(--paper);
  border-radius: 0 var(--radius) var(--radius) 0;
  min-width: 0;
}

.related-item a,
.related-help-item a,
.related-link {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}

.related-item a:hover,
.related-help-item a:hover,
.related-link:hover {
  color: var(--zone);
}

.related-item p,
.related-help-item p,
.related-note,
.related-help-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin: 28px 0 0;
  padding: 16px 20px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
}

.related-links-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--zone);
  letter-spacing: .5px;
}

.related-links-item {
  font-size: 13.5px;
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--sand);
}

.related-links-item:hover {
  color: var(--zone);
  text-decoration-color: var(--zone);
}

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

.faq-item {
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 48px;
  padding: 12px 18px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
  color: var(--zone);
}

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

.faq-item[open] .faq-question {
  background: #faf8f4;
  border-bottom: 1px solid var(--sand);
}

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

.faq-answer p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--charcoal);
}

.faq-brief-more,
.flow-more {
  margin: 18px 0 0;
}

.faq-brief-more a,
.flow-more a {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--zone);
  border-bottom: 1px solid var(--route);
  padding-bottom: 2px;
}

.faq-brief-more a:hover,
.flow-more a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* --------------------------------------------------------------------------
   pages：首页
   -------------------------------------------------------------------------- */
.home-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter) 56px;
}

/* 首屏对照区 */
.hero {
  padding: 34px 0 8px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

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

.hero-eyebrow {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 10px;
  background: var(--mist);
  color: var(--white);
  font-size: 12.5px;
  letter-spacing: .5px;
  border-radius: 3px;
}

.hero-lead h1 {
  font-size: 34px;
  line-height: 1.3;
  margin-bottom: 14px;
}

.hero-desc {
  max-width: 520px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--charcoal);
  margin-bottom: 20px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  font-size: 14.5px;
  font-weight: 600;
  border-radius: 4px;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--ink);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--zone);
  color: var(--white);
}

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

.btn-ghost:hover {
  background: var(--ink);
  color: var(--white);
}

.hero-media {
  margin: 0;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--sand);
}

.hero-media figcaption {
  font-size: 12.5px;
  color: var(--stone);
}

.hero-panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  min-width: 0;
}

.compare-panel {
  padding: 18px 20px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-top: 3px solid var(--route);
  border-radius: var(--radius);
}

.compare-panel + .compare-panel {
  border-top-color: var(--zone);
}

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

.compare-desc {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--stone);
  margin-bottom: 12px;
}

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

.compare-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--charcoal);
}

.compare-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--route);
  border-radius: 1px;
}

/* 站点信息条 */
.info-strip {
  margin: 28px 0 0;
  padding: 0;
  background: var(--ink);
  border-radius: var(--radius);
}

.info-strip-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border-right: 1px solid rgba(255, 255, 255, .16);
  min-width: 0;
}

.info-item:last-child {
  border-right: 0;
}

.info-label {
  align-self: flex-start;
  padding: 1px 8px;
  background: var(--mist);
  color: var(--white);
  font-size: 11.5px;
  letter-spacing: .5px;
  border-radius: 3px;
}

.info-text {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .82);
}

/* 主栏目路线面板 */
.route-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.route-card {
  display: flex;
  flex-direction: column;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
  min-width: 0;
}

.route-card:hover {
  border-color: var(--route);
  background: #fffdf6;
}

.route-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--zone);
  letter-spacing: .5px;
  margin-bottom: 8px;
}

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

.route-name a {
  color: var(--ink);
}

.route-name a:hover {
  color: var(--zone);
}

.route-desc {
  flex: 1 1 auto;
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone);
  margin-bottom: 12px;
}

.route-link {
  align-self: flex-start;
  font-size: 13px;
  font-weight: 600;
  color: var(--zone);
  border-bottom: 1px solid var(--route);
  padding-bottom: 1px;
}

.route-link:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* 能力分区面板 */
.zone-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 24px;
  align-items: start;
}

.zone-list-wrap {
  min-width: 0;
}

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

.zone-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 46px;
  padding: 9px 14px;
  text-align: left;
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.zone-item:hover {
  border-color: var(--mist);
  background: #fbfaf6;
}

.zone-item.is-active {
  border-color: var(--ink);
  background: var(--paper);
  box-shadow: inset 3px 0 0 var(--route);
}

.zone-swatch {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  border-radius: 2px;
  background: var(--mist);
}

.zone-swatch-forming {
  background: var(--ink);
}

.zone-swatch-finish {
  background: var(--zone);
}

.zone-swatch-assembly {
  background: var(--mist);
}

.zone-swatch-install {
  background: var(--route);
}

.zone-name {
  min-width: 0;
}

.zone-detail {
  min-width: 0;
  padding: 20px 22px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
}

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

.zone-detail-title {
  font-size: 18px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--sand);
}

.zone-panel-item p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--charcoal);
}

/* 展览目录主模块 */
.exhibit-item {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: 26px 0;
  border-top: 1px solid var(--sand);
}

.exhibit-item:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.exhibit-item-media-right .exhibit-body {
  order: 1;
}

.exhibit-item-media-right .exhibit-media {
  order: 2;
}

.exhibit-media {
  min-width: 0;
}

.exhibit-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--sand);
}

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

.exhibit-name {
  font-size: 20px;
  margin-bottom: 12px;
}

.exhibit-spec {
  margin: 0 0 14px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  font-size: 13.5px;
}

.exhibit-spec dt {
  font-weight: 700;
  color: var(--zone);
  white-space: nowrap;
}

.exhibit-spec dd {
  margin: 0;
  color: var(--charcoal);
  line-height: 1.75;
}

.exhibit-link {
  display: inline-block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--route);
  padding-bottom: 1px;
}

.exhibit-link:hover {
  color: var(--zone);
  border-bottom-color: var(--zone);
}

/* 协作流程路线 */
.flow-track {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  counter-reset: flow;
}

.flow-node {
  position: relative;
  padding: 16px 14px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-top: 3px solid var(--route);
  border-radius: var(--radius);
  min-width: 0;
}

.flow-step,
.flow-node-index {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--zone);
}

.flow-name,
.flow-node-name {
  font-size: 15px;
  margin-bottom: 6px;
}

.flow-check,
.flow-node-note {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--stone);
  margin: 0;
}

/* 提交资料清单表 */
.checklist-table {
  min-width: 520px;
}

/* 首页常见问题摘要 */
.faq-brief-section .faq-list {
  max-width: var(--read);
}

/* --------------------------------------------------------------------------
   pages：内页共用（页头区、摘要、内容壳）
   -------------------------------------------------------------------------- */
.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  padding: 20px 0 26px;
  border-bottom: 1px solid var(--sand);
}

.page-hero-text {
  min-width: 0;
}

.page-hero-summary,
.page-hero-lead,
.page-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--charcoal);
  max-width: 520px;
}

.page-hero-media,
.page-hero-figure {
  min-width: 0;
  margin: 0;
}

.page-hero-media img,
.page-hero-figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--sand);
}

.page-hero-caption,
.media-caption,
.figure-caption {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--stone);
}

.page-hero-inner {
  display: contents;
}

.content-shell {
  max-width: var(--read);
}

/* --------------------------------------------------------------------------
   pages：制作厂概况
   -------------------------------------------------------------------------- */
.section-scope .scope-columns,
.section-start .start-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: start;
}

.scope-col,
.start-col {
  min-width: 0;
  padding: 20px 22px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
}

.scope-col-accept {
  border-top: 3px solid var(--ink);
}

.scope-col-decline {
  border-top: 3px solid var(--zone);
}

.scope-col-title,
.start-col-title {
  font-size: 17px;
  margin-bottom: 12px;
}

.start-col-desc {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--stone);
  margin-bottom: 14px;
}

.start-subtitle {
  margin: 14px 0 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--zone);
  letter-spacing: .5px;
}

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

.scope-list li,
.start-list li,
.org-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--charcoal);
}

.scope-list li::before,
.start-list li::before,
.org-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--mist);
  border-radius: 1px;
}

.scope-col-accept .scope-list li::before {
  background: var(--ink);
}

.scope-col-decline .scope-list li::before {
  background: var(--zone);
}

.org-blocks {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.org-block {
  min-width: 0;
  padding: 18px 20px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-left: 3px solid var(--route);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.org-block-title {
  font-size: 16px;
  margin-bottom: 8px;
}

.org-block p {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--charcoal);
  margin-bottom: 10px;
}

.section-org .section-note a {
  color: var(--zone);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.section-org .section-note a:hover {
  color: var(--ink);
}

/* --------------------------------------------------------------------------
   pages：工艺能力
   -------------------------------------------------------------------------- */
.index-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.index-group {
  min-width: 0;
  padding: 16px 18px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-top: 3px solid var(--mist);
  border-radius: var(--radius);
}

.index-group-title {
  font-size: 15.5px;
  margin-bottom: 10px;
}

.index-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.index-list li {
  font-size: 13.5px;
  line-height: 1.7;
}

.index-list a {
  color: var(--ink);
  border-bottom: 1px dashed var(--sand);
}

.index-list a:hover {
  color: var(--zone);
  border-bottom-color: var(--zone);
}

.process-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 22px 0;
  border-top: 1px solid var(--sand);
}

.process-entry:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.entry-params,
.entry-notes {
  min-width: 0;
}

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

.entry-notes p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--charcoal);
  margin-bottom: 12px;
}

.entry-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.entry-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--charcoal);
}

.entry-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--route);
  border-radius: 1px;
}

.param-table {
  min-width: 340px;
  border: 1px solid var(--sand);
  border-radius: var(--radius);
  overflow: hidden;
}

.param-table caption {
  border: 0;
  border-bottom: 1px solid var(--sand);
}

.param-table th,
.param-table td {
  padding: 9px 12px;
}

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

.mismatch-item {
  padding: 14px 18px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-left: 3px solid var(--zone);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.mismatch-name {
  font-size: 15px;
  margin-bottom: 6px;
}

.mismatch-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--charcoal);
}

/* --------------------------------------------------------------------------
   pages：制作目录
   -------------------------------------------------------------------------- */
.guide-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.guide-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
  min-width: 0;
}

.guide-item:hover {
  border-color: var(--route);
}

.guide-link {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.guide-link:hover {
  color: var(--zone);
}

.guide-desc {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--stone);
}

.catalog-entry {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: 26px 0;
  border-top: 1px solid var(--sand);
}

.catalog-entry:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.catalog-entry.entry-right .entry-body {
  order: 1;
}

.catalog-entry.entry-right .entry-figure {
  order: 2;
}

.entry-figure {
  min-width: 0;
}

.entry-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--sand);
}

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

.entry-title {
  font-size: 20px;
  margin-bottom: 12px;
}

.entry-spec {
  margin: 0 0 14px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  font-size: 13.5px;
}

.entry-spec dt {
  font-weight: 700;
  color: var(--zone);
  white-space: nowrap;
}

.entry-spec dd {
  margin: 0;
  color: var(--charcoal);
  line-height: 1.75;
}

.entry-link {
  margin: 0;
  font-size: 13.5px;
}

.entry-link a {
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--route);
  padding-bottom: 1px;
}

.entry-link a:hover {
  color: var(--zone);
  border-bottom-color: var(--zone);
}

.mapping-table {
  min-width: 460px;
}

/* --------------------------------------------------------------------------
   pages：协作流程
   -------------------------------------------------------------------------- */
.flow-overview .flow-track {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.node-section .node-block {
  padding: 20px 0;
  border-top: 1px solid var(--sand);
}

.node-section .node-block:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.node-block-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
}

.node-block-index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--white);
  background: var(--ink);
  padding: 1px 8px;
  border-radius: 3px;
  line-height: 1.6;
}

.node-block-name {
  font-size: 17px;
}

.node-block-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: start;
}

.node-confirm,
.node-standard {
  min-width: 0;
  padding: 16px 18px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
}

.node-standard {
  border-top: 3px solid var(--route);
}

.node-subtitle {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--zone);
  letter-spacing: .5px;
}

.node-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.node-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--charcoal);
}

.node-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--mist);
  border-radius: 1px;
}

.node-standard .node-list li::before {
  background: var(--route);
}

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

.rework-item {
  min-width: 0;
  padding: 16px 18px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-left: 3px solid var(--zone);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.rework-name {
  font-size: 15.5px;
  margin-bottom: 6px;
}

.rework-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--charcoal);
}

/* --------------------------------------------------------------------------
   pages：工艺参考
   -------------------------------------------------------------------------- */
.reference-groups > p {
  max-width: var(--read);
  color: var(--stone);
  font-size: 14px;
  margin-bottom: 18px;
}

.reference-group-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.reference-group-item {
  min-width: 0;
  padding: 16px 18px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-top: 3px solid var(--mist);
  border-radius: var(--radius);
}

.reference-group-item h3 {
  font-size: 15.5px;
  margin-bottom: 6px;
}

.reference-group-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--stone);
}

.reference-block .section-title,
.reference-block h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.reference-note {
  max-width: var(--read);
  font-size: 13.5px;
  color: var(--stone);
  margin-bottom: 14px;
}

.reference-supplement {
  margin-top: 14px;
  padding-left: 14px;
  border-left: 3px solid var(--mist);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--stone);
}

.reference-block .param-table {
  min-width: 520px;
}

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

.deviation-item {
  min-width: 0;
  padding: 16px 18px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-left: 3px solid var(--route);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.deviation-item h3 {
  font-size: 15.5px;
  margin-bottom: 6px;
}

.deviation-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--charcoal);
}

/* --------------------------------------------------------------------------
   pages：常见问题
   -------------------------------------------------------------------------- */
.page-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  padding: 20px 0 26px;
  border-bottom: 1px solid var(--sand);
}

.page-title-block {
  min-width: 0;
}

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

.faq-group .section-desc {
  margin-bottom: 16px;
}

.faq-group .faq-list {
  max-width: var(--read);
}

.faq-group + .faq-group {
  margin-top: 0;
}

/* --------------------------------------------------------------------------
   pages：洽谈准备
   -------------------------------------------------------------------------- */
.content-section > p {
  max-width: var(--read);
  color: var(--charcoal);
  font-size: 14px;
  margin-bottom: 16px;
}

.checklist-table {
  min-width: 520px;
}

.stage-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.stage-block {
  min-width: 0;
  padding: 18px 20px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-top: 3px solid var(--ink);
  border-radius: var(--radius);
}

.stage-name {
  font-size: 16px;
  margin-bottom: 10px;
}

.stage-materials {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
}

.stage-materials li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--charcoal);
}

.stage-materials li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--route);
  border-radius: 1px;
}

.stage-block p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--stone);
}

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

.gap-item {
  min-width: 0;
  padding: 16px 18px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-left: 3px solid var(--zone);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.gap-name {
  font-size: 15.5px;
  margin-bottom: 6px;
}

.gap-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--charcoal);
}

/* --------------------------------------------------------------------------
   pages：404
   -------------------------------------------------------------------------- */
.error-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 48px var(--gutter) 60px;
}

.error-panel {
  max-width: 620px;
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-top: 4px solid var(--zone);
  border-radius: var(--radius);
}

.error-code {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--zone);
  margin-bottom: 10px;
}

.error-title {
  font-size: 26px;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--charcoal);
  margin-bottom: 20px;
}

.error-home-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 22px;
  background: var(--ink);
  color: var(--white);
  font-size: 14.5px;
  font-weight: 600;
  border-radius: 4px;
}

.error-home-link:hover {
  background: var(--zone);
  color: var(--white);
}

.error-routes {
  margin-top: 40px;
}

.error-routes-title {
  font-size: 20px;
  margin-bottom: 16px;
}

.error-route-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.error-route-item {
  min-width: 0;
  padding: 16px 18px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-left: 3px solid var(--route);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.error-route-item a {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}

.error-route-item a:hover {
  color: var(--zone);
}

.error-route-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

/* --------------------------------------------------------------------------
   responsive：1080px 以下
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  :root {
    --gutter: 24px;
  }

  .hero-lead h1 {
    font-size: 30px;
  }

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

  .flow-track,
  .flow-overview .flow-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .org-blocks,
  .stage-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .info-item:nth-child(2n) {
    border-right: 0;
  }

  .info-item:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, .16);
  }

  .hero-inner,
  .zone-panel {
    gap: 26px;
  }
}

/* --------------------------------------------------------------------------
   responsive：768px 以下（单栏 + 汉堡导航）
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --gutter: 20px;
    --header-h: 60px;
  }

  body {
    font-size: 15px;
    line-height: 1.8;
  }

  .header-inner {
    padding: 0 var(--gutter);
    gap: 10px;
    align-items: center;
  }

  .brand {
    font-size: 18px;
  }

  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    display: block;
    flex: 1 0 100%;
    width: 100%;
    padding-bottom: 8px;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, .18);
  }

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

  .nav-list > li {
    display: block;
    width: 100%;
  }

  .nav-link {
    display: flex;
    width: 100%;
    min-height: 46px;
    padding: 0 4px;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }

  .nav-link.is-current {
    border-bottom-color: var(--route);
  }

  .nav-tools {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding: 8px 0 0;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, .18);
  }

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

  .nav-tools > li {
    display: block;
    width: 100%;
  }

  .nav-tool-link {
    display: flex;
    width: 100%;
    min-height: 46px;
    padding: 0 4px;
    font-size: 13.5px;
  }

  .inner-main,
  .home-main {
    padding: 0 var(--gutter) 40px;
  }

  .breadcrumb {
    padding: 14px 0 4px;
    font-size: 12.5px;
  }

  .page-header {
    padding: 4px 0 14px;
  }

  .page-title {
    font-size: 25px;
    line-height: 1.35;
  }

  .page-description {
    font-size: 13.5px;
  }

  .page-header-media img {
    aspect-ratio: 16 / 9;
  }

  /* 首页 */
  .hero {
    padding: 22px 0 4px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .hero-lead h1 {
    font-size: 25px;
  }

  .hero-desc {
    font-size: 14.5px;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
  }

  .hero-media img {
    aspect-ratio: 16 / 9;
  }

  .hero-panels {
    gap: 12px;
  }

  .info-strip {
    margin-top: 22px;
  }

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

  .info-item {
    padding: 12px 14px;
  }

  .route-grid,
  .guide-list {
    grid-template-columns: 1fr;
  }

  .route-card {
    padding: 16px;
  }

  .zone-panel {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .zone-list {
    gap: 6px;
  }

  .zone-detail {
    padding: 16px 18px;
  }

  .exhibit-item,
  .catalog-entry {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 22px 0;
  }

  .exhibit-item-media-right .exhibit-body,
  .catalog-entry.entry-right .entry-body {
    order: 2;
  }

  .exhibit-item-media-right .exhibit-media,
  .catalog-entry.entry-right .entry-figure {
    order: 1;
  }

  .exhibit-media img,
  .entry-figure img {
    aspect-ratio: 16 / 10;
  }

  .exhibit-name,
  .entry-title {
    font-size: 18px;
  }

  .flow-track,
  .flow-overview .flow-track {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .flow-node {
    border-top-width: 0;
    border-left: 3px solid var(--route);
    padding: 12px 14px;
  }

  .flow-step,
  .flow-node-index {
    margin-bottom: 2px;
  }

  /* 内页 */
  .page-hero,
  .page-head {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 16px 0 20px;
  }

  .page-hero-summary,
  .page-hero-lead,
  .page-lead {
    font-size: 14.5px;
  }

  .page-hero-media img,
  .page-hero-figure img {
    aspect-ratio: 16 / 9;
  }

  .summary-box,
  .page-abstract {
    margin-top: 18px;
    padding: 14px 16px;
  }

  .summary-box p,
  .page-abstract p {
    font-size: 14px;
  }

  .section,
  .section-block,
  .route-section,
  .zone-section,
  .exhibit-section,
  .flow-section,
  .checklist-section,
  .faq-brief-section,
  .catalog-guide,
  .catalog-list,
  .catalog-mapping,
  .flow-overview,
  .node-section,
  .rework-section,
  .reference-groups,
  .reference-block,
  .reference-deviation,
  .content-section,
  .faq-group {
    padding: 26px 0;
  }

  .section-head h2,
  .section-title,
  .reference-block h2 {
    font-size: 20px;
  }

  .section-desc,
  .section-lead,
  .section-intro {
    font-size: 13.5px;
  }

  /* 概况 */
  .section-scope .scope-columns,
  .section-start .start-columns {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .scope-col,
  .start-col {
    padding: 16px 18px;
  }

  .org-blocks,
  .stage-list {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  /* 工艺能力 */
  .index-groups {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .process-entry {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 18px 0;
  }

  .entry-name {
    font-size: 16px;
  }

  .param-table {
    min-width: 320px;
  }

  /* 制作目录 */
  .entry-spec,
  .exhibit-spec {
    grid-template-columns: 1fr;
    gap: 2px 0;
  }

  .entry-spec dt,
  .exhibit-spec dt {
    margin-top: 6px;
    font-size: 13px;
  }

  .mapping-table,
  .checklist-table {
    min-width: 480px;
  }

  /* 协作流程 */
  .node-block-body {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .node-confirm,
  .node-standard {
    padding: 14px 16px;
  }

  .rework-list,
  .deviation-list,
  .gap-list,
  .reference-group-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* 工艺参考 */
  .reference-block .param-table {
    min-width: 480px;
  }

  /* 相关帮助 */
  .related-panel,
  .related-help {
    margin-top: 26px;
    padding: 18px;
  }

  .related-list,
  .related-help-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .related-links {
    margin-top: 22px;
    padding: 14px 16px;
    gap: 8px 14px;
  }

  /* 404 */
  .error-main {
    padding: 32px var(--gutter) 44px;
  }

  .error-panel {
    padding: 24px 20px;
  }

  .error-title {
    font-size: 22px;
  }

  .error-route-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* 页脚 */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 30px var(--gutter) 20px;
  }

  .footer-bottom {
    padding: 14px var(--gutter) 22px;
    flex-direction: column;
    gap: 6px;
  }
}

/* --------------------------------------------------------------------------
   responsive：390px 极窄屏微调
   -------------------------------------------------------------------------- */
@media (max-width: 420px) {
  .hero-actions {
    gap: 10px;
  }

  .hero-actions .btn {
    flex: 1 1 100%;
  }

  .info-strip-list {
    grid-template-columns: 1fr;
  }

  .info-item {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .16);
  }

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

  .param-table,
  .reference-block .param-table {
    min-width: 300px;
  }

  .mapping-table,
  .checklist-table {
    min-width: 440px;
  }

  .faq-question {
    font-size: 15px;
    padding: 12px 14px;
  }

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

/* --------------------------------------------------------------------------
   动效增强：仅在支持动画时对进入视口的区块做轻微位移
   -------------------------------------------------------------------------- */
@keyframes rise-in {
  from {
    transform: translateY(10px);
  }
  to {
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-lead,
  .compare-panel,
  .route-card,
  .exhibit-body,
  .zone-detail {
    animation: rise-in .32s ease-out both;
  }

  .compare-panel:nth-child(2) {
    animation-delay: .06s;
  }

  .route-card:nth-child(2) {
    animation-delay: .04s;
  }

  .route-card:nth-child(3) {
    animation-delay: .08s;
  }

  .route-card:nth-child(4) {
    animation-delay: .12s;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}