:root {
  --paper: #f2efe6;
  --surface: #fffdf8;
  --ink: #1f2622;
  --green: #2f5848;
  --green-deep: #24453a;
  --brick: #a14a33;
  --line: #c9bda9;
  --muted: #6d716b;
  --white: #ffffff;
  --radius: 6px;
  --shell: 1180px;
  --gutter: 24px;
  --font-head: "Noto Serif SC", "Songti SC", "STSong", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

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

body.site-body {
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--green);
  margin: 0;
  line-height: 1.4;
}

p {
  margin: 0;
}

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

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

a:hover {
  color: var(--brick);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

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

.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;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 60;
  padding: 10px 18px;
  background-color: var(--green);
  color: var(--white);
  border-radius: var(--radius);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
  color: var(--white);
}

/* ============================================================
   Layout · 页头骨架
   ============================================================ */

.site-header {
  background-color: var(--green);
  color: var(--white);
  border-bottom: 3px solid var(--brick);
  position: relative;
  z-index: 40;
}

.header-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 68px;
}

.brand {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0;
  white-space: nowrap;
  padding: 6px 0;
}

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

.primary-nav.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 auto;
}

.nav-home {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  color: var(--white);
  font-size: 15px;
  border-radius: var(--radius);
}

.nav-home:hover {
  color: var(--white);
  background-color: rgba(255, 255, 255, 0.12);
  text-decoration: none;
}

.nav-home.is-current {
  color: var(--white);
  background-color: rgba(255, 255, 255, 0.16);
  font-weight: 600;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  background-color: transparent;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius);
  color: var(--white);
  font-size: 15px;
}

.nav-toggle:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.header-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  background-color: var(--brick);
  color: var(--white);
  font-size: 15px;
  border-radius: var(--radius);
  white-space: nowrap;
}

.header-link:hover {
  background-color: #8c3f2b;
  color: var(--white);
  text-decoration: none;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  padding: 0 12px;
  background-color: transparent;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius);
}

.menu-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--white);
}

/* 栏目总览面板 */
.nav-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--surface);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(31, 38, 34, 0.12);
  z-index: 45;
}

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

.nav-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 28px var(--gutter) 32px;
}

.nav-group-title {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--green);
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.nav-group ul li a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 4px 0;
  color: var(--ink);
  font-size: 15px;
  border-bottom: 1px dashed rgba(201, 189, 169, 0.6);
}

.nav-group ul li:last-child a {
  border-bottom: none;
}

.nav-group ul li a:hover {
  color: var(--brick);
}

/* 移动端抽屉 */
.mobile-drawer {
  position: fixed;
  inset: 0;
  background-color: var(--surface);
  z-index: 55;
  overflow-y: auto;
  padding: 24px var(--gutter) 40px;
}

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

.drawer-nav {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.drawer-group {
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.drawer-group-title {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 6px;
}

.drawer-group a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 4px;
  color: var(--ink);
  font-size: 16px;
  border-bottom: 1px dashed rgba(201, 189, 169, 0.6);
}

.drawer-group a:last-child {
  border-bottom: none;
}

/* ============================================================
   Layout · 主容器与内页骨架
   ============================================================ */

.site-main {
  display: block;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  padding: 20px 0 4px;
}

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

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

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

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

.page-header {
  padding: 8px 0 0;
}

.page-title {
  font-family: var(--font-head);
  font-size: 32px;
  line-height: 1.3;
  font-weight: 600;
  color: var(--green);
  margin: 0;
}

.page-intro {
  margin-top: 10px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 780px;
}

.page-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
  gap: 32px;
  align-items: start;
  padding: 12px 0 32px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
}

.page-head-inner {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
  gap: 32px;
  align-items: start;
}

.page-purpose {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brick);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.purpose-title {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 8px;
}

.page-purpose ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-purpose ul li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-purpose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background-color: var(--brick);
  border-radius: 1px;
}

.purpose-next {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
}

.purpose-next a {
  color: var(--brick);
  font-weight: 600;
}

.section {
  padding: 0 0 44px;
}

.section h2 {
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 10px;
}

.section-lead,
.section-desc,
.section-note {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 820px;
  margin-bottom: 22px;
}

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

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

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

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  color: var(--brick);
  font-weight: 600;
  font-size: 15px;
}

.text-link::after {
  content: "→";
  font-size: 14px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 26px;
  background-color: var(--brick);
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid var(--brick);
}

.btn-primary:hover {
  background-color: #8c3f2b;
  color: var(--white);
  text-decoration: none;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 26px;
  background-color: transparent;
  color: var(--green);
  font-size: 16px;
  font-weight: 600;
  border: 1px solid var(--green);
  border-radius: var(--radius);
}

.btn-ghost:hover {
  background-color: var(--green);
  color: var(--white);
  text-decoration: none;
}

/* ============================================================
   Components · 图片信息框
   ============================================================ */

.hero-media,
.stage-media,
.media-figure,
.image-figure,
.faq-figure,
.goal-media {
  margin: 0;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.hero-media img,
.stage-media img,
.media-figure img,
.image-figure img,
.faq-figure img,
.goal-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background-color: #e6e0d3;
}

.hero-media figcaption,
.stage-media figcaption,
.media-figure figcaption,
.image-figure figcaption,
.faq-figure figcaption,
.goal-media figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background-color: var(--surface);
}

.media-figure {
  max-width: 880px;
  margin: 0 0 44px;
}

.media-note {
  padding: 0 16px 14px;
  font-size: 13px;
  color: var(--muted);
}

.faq-figure {
  max-width: 880px;
  margin: 0 auto 40px;
}

/* ============================================================
   Components · 表格
   ============================================================ */

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

table.scope-table,
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.7;
  background-color: var(--surface);
}

table.scope-table caption,
table.data-table caption {
  text-align: left;
}

table.scope-table thead th,
table.data-table thead th {
  background-color: #ece6d8;
  color: var(--green);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

table.scope-table tbody th,
table.data-table tbody th {
  text-align: left;
  font-weight: 600;
  color: var(--ink);
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  background-color: #faf7ef;
  vertical-align: top;
  min-width: 130px;
}

table.scope-table tbody td,
table.data-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  vertical-align: top;
}

table.scope-table tbody tr:last-child th,
table.scope-table tbody tr:last-child td,
table.data-table tbody tr:last-child th,
table.data-table tbody tr:last-child td {
  border-bottom: none;
}

table.scope-table tbody tr:hover,
table.data-table tbody tr:hover {
  background-color: #faf7ef;
}

/* ============================================================
   Components · 通用入口网格与相关链接
   ============================================================ */

.next-grid,
.entry-grid,
.next-entry-grid,
.related-grid {
  display: grid;
  gap: 20px;
}

.next-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.entry-grid,
.next-entry-grid,
.related-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.next-item,
.entry-item,
.entry-col {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--green);
  border-radius: var(--radius);
  padding: 18px 20px;
  min-width: 0;
}

.next-item h3,
.entry-item h3,
.entry-col h3 {
  font-size: 17px;
  line-height: 1.5;
  margin-bottom: 8px;
}

.next-item h3 a,
.entry-item h3 a,
.entry-col h3 a {
  color: var(--green);
}

.next-item h3 a:hover,
.entry-item h3 a:hover,
.entry-col h3 a:hover {
  color: var(--brick);
}

.next-item p,
.entry-item p,
.entry-col p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.entry-card,
.related-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 44px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  color: var(--ink);
}

.entry-card:hover,
.related-card:hover {
  border-color: var(--brick);
  text-decoration: none;
}

.entry-name {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  color: var(--green);
}

.entry-card:hover .entry-name {
  color: var(--brick);
}

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

.related-card h3 {
  font-size: 17px;
  line-height: 1.5;
  color: var(--green);
}

.related-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.related-go {
  margin-top: auto;
  padding-top: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brick);
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 18px 0 0;
  margin-top: 8px;
  border-top: 1px solid var(--line);
}

.related-links-label {
  font-size: 14px;
  color: var(--muted);
}

.related-links-item {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--green);
}

.related-links-item:hover {
  border-color: var(--brick);
  color: var(--brick);
  text-decoration: none;
}

/* ============================================================
   Components · 页脚
   ============================================================ */

.site-footer {
  background-color: var(--green-deep);
  color: rgba(255, 255, 255, 0.82);
  margin-top: 24px;
}

.footer-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 48px var(--gutter) 32px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}

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

.footer-brand-name {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}

.footer-slogan {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 12px;
  max-width: 280px;
}

.footer-home {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
}

.footer-home:hover {
  color: var(--white);
  border-bottom-color: var(--white);
  text-decoration: none;
}

.footer-col-title {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  padding-bottom: 10px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.footer-col ul li a {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
}

.footer-col ul li a:hover {
  color: var(--white);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.footer-bottom p {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 6px var(--gutter);
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.62);
}

.footer-bottom p:first-child {
  padding-top: 18px;
}

.footer-bottom p:last-child {
  padding-bottom: 22px;
}

/* ============================================================
   Pages · 首页
   ============================================================ */

.home-main {
  display: block;
}

/* 首屏 */
.hero {
  background-color: var(--paper);
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 48px var(--gutter) 52px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  gap: 48px;
  align-items: start;
}

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

.hero-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--brick);
  padding: 4px 12px;
  border: 1px solid var(--brick);
  border-radius: var(--radius);
  margin-bottom: 18px;
}

.hero-copy h1 {
  font-size: 44px;
  line-height: 1.2;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
  max-width: 560px;
  margin-bottom: 28px;
}

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

.choice-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.choice-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background-color: var(--brick);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  border-radius: var(--radius);
}

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

.choice-title {
  display: block;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 2px;
}

.choice-desc {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.choice-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--green);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  color: var(--green);
  white-space: nowrap;
}

.choice-link:hover {
  background-color: var(--green);
  color: var(--white);
  text-decoration: none;
}

.hero-media {
  position: relative;
}

.hero-media img {
  aspect-ratio: 4 / 3;
}

/* 服务范围信息带 */
.scope-band {
  background-color: var(--surface);
  border-bottom: 1px solid var(--line);
}

.scope-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 44px var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 48px;
  align-items: start;
}

.scope-intro h2 {
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 12px;
}

.scope-intro p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 8px;
}

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

.scope-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.scope-name {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--green);
}

.scope-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  min-width: 0;
}

.scope-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brick);
  white-space: nowrap;
}

/* 场景对照摘要 */
.scene-summary {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 48px var(--gutter);
}

.scene-summary h2 {
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 24px;
}

.scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 0.9fr);
  gap: 24px;
  align-items: stretch;
}

.scene-col {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.scene-col h3 {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.scene-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}

.scene-col ul li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.scene-col ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background-color: var(--green);
  border-radius: 1px;
}

.scene-col .text-link {
  margin-top: auto;
}

.scene-note {
  background-color: #ece6d8;
  border: 1px solid var(--line);
  border-left: 3px solid var(--brick);
  border-radius: var(--radius);
  padding: 22px 24px;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.scene-note h3 {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 10px;
}

.scene-note p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
  margin-bottom: 12px;
}

.scene-note .text-link {
  margin-top: auto;
}

/* 合作阶段路径 */
.stage-path {
  background-color: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stage-head {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 44px var(--gutter) 0;
}

.stage-head h2 {
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.stage-head p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 760px;
  margin-bottom: 24px;
}

.stage-list {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.stage-item {
  position: relative;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.stage-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: 12px;
  background-color: var(--green);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  border-radius: var(--radius);
}

.stage-item h3 {
  font-size: 17px;
  line-height: 1.5;
  margin-bottom: 8px;
}

.stage-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin-bottom: 10px;
}

.stage-item .text-link {
  margin-top: auto;
  align-self: flex-start;
}

.stage-media {
  max-width: var(--shell);
  margin: 24px auto 0;
  border: none;
  border-radius: 0;
  border-top: 1px solid var(--line);
  background-color: transparent;
}

.stage-media img {
  aspect-ratio: 21 / 9;
  border-radius: 0;
  max-height: 320px;
}

.stage-media figcaption {
  border-top: none;
  background-color: transparent;
  padding: 14px var(--gutter) 44px;
  max-width: var(--shell);
  margin: 0 auto;
  width: 100%;
}

/* 能力索引 */
.capability-index {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 48px var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.38fr);
  gap: 48px;
  align-items: start;
}

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

.section-lead h2 {
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 12px;
}

.section-lead p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 8px;
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  min-width: 0;
}

.cap-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  min-width: 0;
}

.cap-name {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--green);
}

.cap-tag {
  align-self: flex-start;
  font-size: 12px;
  line-height: 1.6;
  color: var(--brick);
  background-color: #f6ece5;
  border: 1px solid #e2c8bb;
  border-radius: var(--radius);
  padding: 1px 8px;
}

.cap-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brick);
}

/* 合作准备预览 */
.prep-preview {
  background-color: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.prep-preview h2 {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 44px var(--gutter) 0;
  font-size: 26px;
  line-height: 1.4;
}

.prep-grid {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 20px var(--gutter) 44px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  align-items: stretch;
}

.prep-list,
.response-list {
  min-width: 0;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
}

.prep-list h3,
.response-list h3 {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.prep-list ul,
.response-list ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}

.prep-list ul li,
.response-list ul li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.prep-list ul li::before,
.response-list ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background-color: var(--green);
}

.prep-list .text-link,
.response-list .text-link {
  margin-top: auto;
  align-self: flex-start;
}

/* 常见问题预览 */
.faq-preview {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 48px var(--gutter);
}

.faq-preview h2 {
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 20px;
}

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

.faq-preview .faq-item:first-of-type {
  border-top: 1px solid var(--line);
}

.faq-item summary {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 12px 44px 12px 18px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--green);
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 400;
  color: var(--brick);
  line-height: 1;
}

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

.faq-item summary:hover {
  color: var(--brick);
}

.faq-item > p {
  padding: 0 18px 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  max-width: 860px;
}

.faq-preview > .text-link {
  margin-top: 14px;
}

/* 合作说明入口条 */
.notes-bar {
  background-color: var(--green);
  color: var(--white);
}

.notes-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 32px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.notes-copy {
  min-width: 0;
  flex: 1 1 420px;
}

.notes-copy h2 {
  font-size: 22px;
  line-height: 1.4;
  color: var(--white);
  margin-bottom: 6px;
}

.notes-copy p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}

.notes-bar .btn-primary {
  flex: 0 0 auto;
}

/* 最近浏览 */
.recent-bar {
  background-color: var(--surface);
  border-bottom: 1px solid var(--line);
}

.recent-bar[hidden] {
  display: none;
}

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

.recent-inner h2 {
  font-size: 15px;
  line-height: 1.5;
  color: var(--green);
  flex: 0 0 auto;
}

.recent-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  flex: 1 1 320px;
  min-width: 0;
}

.recent-list li a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--ink);
}

.recent-list li a:hover {
  border-color: var(--brick);
  color: var(--brick);
  text-decoration: none;
}

.recent-clear {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0 16px;
  background-color: transparent;
  border: 1px solid var(--green);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--green);
}

.recent-clear:hover {
  background-color: var(--green);
  color: var(--white);
}

/* ============================================================
   Pages · 服务概览
   ============================================================ */

.scope-table-section .scope-table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.fit-col,
.check-col {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  min-width: 0;
}

.fit-col {
  border-top: 3px solid var(--green);
}

.check-col {
  border-top: 3px solid var(--brick);
}

.fit-col h3,
.check-col h3 {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 12px;
}

.fit-list,
.check-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.fit-list li,
.check-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.fit-list li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 1px;
}

.fit-list li::before {
  background-color: var(--green);
}

.check-list li::before {
  background-color: var(--brick);
}

.boundary-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.boundary-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.boundary-no,
.boundary-num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 30px;
  background-color: var(--brick);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  border-radius: var(--radius);
}

/* ============================================================
   Pages · 场景对照
   ============================================================ */

.scene-table-section,
.scene-diff-section,
.common-prep-section,
.scene-tip-section,
.next-entry-section {
  padding-bottom: 44px;
}

.scene-table-section h2,
.scene-diff-section h2,
.common-prep-section h2,
.scene-tip-section h2,
.next-entry-section h2 {
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 8px;
}

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

.scene-points {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 12px;
}

.scene-points li {
  border-left: 2px solid var(--line);
  padding-left: 14px;
}

.point-title {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 2px;
}

.point-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.scene-link {
  margin-top: auto;
  padding-top: 6px;
}

.common-prep-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 28px;
}

.common-prep-list li {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 20px;
  min-width: 0;
}

.prep-title {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 4px;
}

.prep-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.section-foot-link {
  margin-top: 16px;
}

.scene-tips {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid var(--line);
}

.scene-tips li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.scene-tips li a {
  color: var(--brick);
  font-weight: 600;
}

/* ============================================================
   Pages · 能力清单
   ============================================================ */

.cap-index,
.cap-table-section,
.verify-section,
.misread-section,
.next-entry {
  padding-bottom: 44px;
}

.cap-index h2,
.cap-table-section h2,
.verify-section h2,
.misread-section h2,
.next-entry h2 {
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 8px;
}

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

.capability-item {
  display: flex;
  flex-direction: column;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  border-radius: var(--radius);
  padding: 18px 20px;
  min-width: 0;
}

.capability-item h3 {
  font-size: 17px;
  line-height: 1.5;
  margin-bottom: 6px;
}

.cap-stage {
  align-self: flex-start;
  font-size: 12px;
  line-height: 1.6;
  color: var(--green);
  background-color: #e7ede9;
  border: 1px solid #c8d6ce;
  border-radius: var(--radius);
  padding: 1px 8px;
  margin-bottom: 8px;
}

.capability-item > p:not(.cap-stage) {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin-bottom: 8px;
}

.capability-item a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: auto;
  align-self: flex-start;
  font-size: 14px;
  font-weight: 600;
  color: var(--brick);
}

.cap-table-section .data-table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.verify-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 28px;
  counter-reset: verify;
}

.verify-list li {
  position: relative;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px 18px 58px;
  min-width: 0;
  counter-increment: verify;
}

.verify-list li::before {
  content: counter(verify, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 18px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--brick);
}

.verify-list li h3 {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 6px;
}

.verify-list li p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

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

.misread-item {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brick);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.misread-item h3 {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 6px;
  color: var(--brick);
}

.misread-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

/* ============================================================
   Pages · 合作准备
   ============================================================ */

.goal-section {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 36px;
  align-items: start;
  padding-bottom: 44px;
}

.goal-copy {
  min-width: 0;
}

.goal-copy h2 {
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 10px;
}

.goal-copy > p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 18px;
}

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

.goal-list li {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.goal-list li h3 {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 4px;
}

.goal-list li p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

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

.condition-section {
  padding-bottom: 44px;
}

.condition-section h2 {
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.section-intro {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 820px;
  margin-bottom: 22px;
}

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

.need-col,
.not-need-col {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  min-width: 0;
}

.need-col {
  border-top: 3px solid var(--green);
}

.not-need-col {
  border-top: 3px solid var(--line);
}

.need-col h3,
.not-need-col h3 {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 12px;
}

.need-col ul,
.not-need-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.need-col ul li,
.not-need-col ul li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.need-col ul li::before,
.not-need-col ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 1px;
}

.need-col ul li::before {
  background-color: var(--green);
}

.not-need-col ul li::before {
  background-color: var(--muted);
}

.need-col ul li strong,
.not-need-col ul li strong {
  color: var(--green);
  font-weight: 600;
}

/* 任务两栏：主栏在前，附栏在后 */
.page-layout.task-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.85fr);
  gap: 36px;
  align-items: start;
  padding-bottom: 44px;
}

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

.steps-main h2 {
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.step-item {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 16px;
}

.step-num {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--brick);
  border: 1px solid #e2c8bb;
  background-color: #f6ece5;
  border-radius: var(--radius);
  padding: 1px 10px;
  margin-bottom: 8px;
}

.step-item h3 {
  font-size: 17px;
  line-height: 1.5;
  margin-bottom: 6px;
}

.step-item > p:not(.step-num):not(.step-output) {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.step-output {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.result-check {
  min-width: 0;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--brick);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.result-check h2 {
  font-size: 20px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.result-check > p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin-bottom: 14px;
}

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

.checklist li {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.checklist li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.check-question {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  color: var(--green);
  line-height: 1.6;
  margin-bottom: 2px;
}

.check-standard {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.check-note {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
}

.check-note a {
  color: var(--brick);
  font-weight: 600;
}

.entry-section {
  padding-bottom: 44px;
}

.entry-section h2 {
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 20px;
}

/* ============================================================
   Pages · 合作说明
   ============================================================ */

.checklist-section .checklist {
  gap: 0;
  border-top: 1px solid var(--line);
}

.checklist-section .checklist li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.check-num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  background-color: var(--green);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  border-radius: var(--radius);
}

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

.check-body h3 {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 2px;
}

.check-body p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.check-body p a {
  color: var(--brick);
  font-weight: 600;
}

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

.route-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.route-index {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  background-color: var(--brick);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  border-radius: var(--radius);
}

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

.route-body h3 {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 2px;
}

.route-body h3 a {
  color: var(--green);
}

.route-body p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

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

.feedback-item {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  min-width: 0;
}

.feedback-item h3 {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 6px;
}

.feedback-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.boundary-section .boundary-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.boundary-section .boundary-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

/* ============================================================
   Pages · 交付协作
   ============================================================ */

.phase-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.phase-item {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--green);
  border-radius: var(--radius);
  padding: 18px 20px;
  min-width: 0;
}

.phase-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 30px;
  margin-bottom: 8px;
  background-color: var(--green);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  border-radius: var(--radius);
}

.phase-name {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 4px;
}

.phase-goal {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.phase-table-section .data-table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.adjust-col,
.reconfirm-col {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  min-width: 0;
}

.adjust-col {
  border-top: 3px solid var(--green);
}

.reconfirm-col {
  border-top: 3px solid var(--brick);
}

.adjust-col h3,
.reconfirm-col h3 {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 12px;
}

.adjust-col .boundary-list,
.reconfirm-col .boundary-list {
  border-top: none;
}

.adjust-col .boundary-list li,
.reconfirm-col .boundary-list li {
  border-bottom: 1px dashed var(--line);
  padding: 10px 0;
  font-size: 14px;
}

.adjust-col .boundary-list li:last-child,
.reconfirm-col .boundary-list li:last-child {
  border-bottom: none;
}

.result-check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 28px;
}

.result-check-list li {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 20px;
  min-width: 0;
}

.check-object {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  color: var(--green);
  line-height: 1.6;
  margin-bottom: 4px;
}

.entry-strip {
  padding-bottom: 44px;
}

.entry-title {
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 20px;
}

.entry-col a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 17px;
  font-weight: 600;
  color: var(--green);
}

.entry-col a:hover {
  color: var(--brick);
}

.entry-col p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ============================================================
   Pages · 常见问题
   ============================================================ */

.anchor-bar {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 40px;
}

.anchor-bar-inner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.anchor-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--green);
  text-align: center;
  border-right: 1px solid var(--line);
}

.anchor-link:last-child {
  border-right: none;
}

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

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

.faq-group-inner {
  max-width: 940px;
}

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

.faq-group-head h2 {
  font-size: 24px;
  line-height: 1.4;
  margin-bottom: 6px;
}

.faq-group-head p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.faq-list {
  border-top: 1px solid var(--line);
}

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

.faq-group .faq-item summary {
  min-height: 54px;
  font-size: 16px;
}

.faq-answer {
  padding: 0 18px 16px;
  max-width: 800px;
}

.faq-answer p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  margin-bottom: 8px;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-answer a {
  color: var(--brick);
  font-weight: 600;
}

.entry-bar {
  padding-bottom: 44px;
}

.entry-bar-inner h2 {
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 20px;
}

.entry-bar .entry-item a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brick);
}

/* ============================================================
   Pages · 404
   ============================================================ */

.error-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 64px var(--gutter) 72px;
}

.error-block {
  max-width: 640px;
  padding-bottom: 48px;
}

.error-code {
  font-family: var(--font-head);
  font-size: 56px;
  font-weight: 600;
  line-height: 1;
  color: var(--brick);
  font-variant-numeric: tabular-nums;
  margin-bottom: 16px;
}

.error-block h1 {
  font-size: 32px;
  line-height: 1.3;
  color: var(--green);
  margin-bottom: 12px;
}

.error-text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 24px;
}

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

.error-links {
  border-top: 1px solid var(--line);
  padding-top: 28px;
}

.error-links h2 {
  font-size: 22px;
  line-height: 1.4;
  margin-bottom: 16px;
}

.error-link-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.error-link-list li a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 16px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--green);
}

.error-link-list li a:hover {
  border-color: var(--brick);
  color: var(--brick);
  text-decoration: none;
}

/* ============================================================
   Responsive · 1024px
   ============================================================ */

@media (max-width: 1024px) {
  .header-inner {
    gap: 14px;
  }

  .nav-toggle {
    padding: 0 12px;
    font-size: 14px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    padding-top: 40px;
  }

  .hero-copy h1 {
    font-size: 38px;
  }

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

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

  .scene-note {
    grid-column: 1 / -1;
  }

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

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

  .page-head,
  .page-head-inner {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
    gap: 24px;
  }

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

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

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

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

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

  .page-layout.task-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.9fr);
    gap: 28px;
  }

  .goal-section {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

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

/* ============================================================
   Responsive · 768px
   ============================================================ */

@media (max-width: 768px) {
  :root {
    --gutter: 16px;
  }

  body.site-body {
    font-size: 15px;
  }

  .header-inner {
    min-height: 60px;
    padding: 10px var(--gutter);
  }

  .brand {
    font-size: 19px;
  }

  .primary-nav.site-nav {
    flex: 0 0 auto;
  }

  .nav-home {
    display: none;
  }

  .nav-toggle {
    display: none;
  }

  .header-actions {
    gap: 8px;
  }

  .header-link {
    padding: 0 12px;
    font-size: 14px;
    min-height: 44px;
  }

  .menu-toggle {
    display: flex;
  }

  .nav-panel {
    display: none;
  }

  .breadcrumb {
    padding: 14px 0 2px;
    font-size: 13px;
  }

  .page-title {
    font-size: 30px;
    line-height: 1.3;
  }

  .page-intro {
    font-size: 15px;
    margin-top: 8px;
  }

  .page-head,
  .page-head-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding-bottom: 24px;
    margin-bottom: 28px;
  }

  .page-purpose {
    padding: 14px 16px;
  }

  .section {
    padding-bottom: 32px;
  }

  .section h2,
  .scene-table-section h2,
  .scene-diff-section h2,
  .common-prep-section h2,
  .scene-tip-section h2,
  .next-entry-section h2,
  .cap-index h2,
  .cap-table-section h2,
  .verify-section h2,
  .misread-section h2,
  .next-entry h2,
  .condition-section h2,
  .steps-main h2,
  .entry-section h2,
  .entry-bar-inner h2,
  .entry-title,
  .section-lead h2,
  .prep-preview h2,
  .faq-preview h2,
  .scene-summary h2,
  .stage-head h2,
  .scope-intro h2,
  .goal-copy h2 {
    font-size: 22px;
  }

  /* 首页首屏 */
  .hero-inner {
    padding: 28px var(--gutter) 36px;
    gap: 24px;
  }

  .hero-copy h1 {
    font-size: 30px;
    line-height: 1.25;
  }

  .hero-lead {
    font-size: 16px;
    margin-bottom: 20px;
  }

  .hero-eyebrow {
    margin-bottom: 12px;
  }

  .choice-row {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 10px 12px;
    padding: 12px 0;
  }

  .choice-index {
    width: 30px;
    height: 30px;
    font-size: 13px;
  }

  .choice-link {
    grid-column: 2;
    justify-self: start;
    min-height: 44px;
  }

  .hero-media img {
    aspect-ratio: 16 / 11;
  }

  /* 服务范围信息带 */
  .scope-inner {
    padding: 32px var(--gutter);
    gap: 20px;
  }

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

  .scope-link {
    justify-self: start;
  }

  /* 场景摘要 */
  .scene-summary {
    padding: 32px var(--gutter);
  }

  .scene-summary h2 {
    margin-bottom: 16px;
  }

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

  .scene-note {
    grid-column: auto;
  }

  .scene-col,
  .scene-note {
    padding: 18px 18px;
  }

  /* 阶段路径 */
  .stage-head {
    padding: 32px var(--gutter) 0;
  }

  .stage-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    padding: 0 var(--gutter);
  }

  .stage-item {
    padding: 16px 18px;
  }

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

  .stage-media img {
    aspect-ratio: 16 / 10;
    max-height: none;
  }

  .stage-media figcaption {
    padding: 12px var(--gutter) 32px;
  }

  /* 能力索引 */
  .capability-index {
    padding: 32px var(--gutter);
    gap: 20px;
  }

  .cap-grid,
  .cap-index .cap-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  /* 合作准备预览 */
  .prep-preview h2 {
    padding: 32px var(--gutter) 0;
  }

  .prep-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding: 16px var(--gutter) 32px;
  }

  .prep-list,
  .response-list {
    padding: 18px 18px;
  }

  /* FAQ 预览 */
  .faq-preview {
    padding: 32px var(--gutter);
  }

  .faq-item summary {
    font-size: 15px;
    padding: 12px 40px 12px 14px;
  }

  .faq-item > p {
    padding: 0 14px 14px;
    font-size: 14px;
  }

  /* 入口条 */
  .notes-inner {
    padding: 26px var(--gutter);
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .notes-copy h2 {
    font-size: 20px;
  }

  .notes-bar .btn-primary {
    width: 100%;
  }

  .recent-inner {
    padding: 16px var(--gutter);
    gap: 10px;
  }

  .recent-list {
    flex: 1 1 100%;
  }

  .recent-clear {
    width: 100%;
  }

  /* 内页通用网格 */
  .fit-columns,
  .scene-diff-grid,
  .condition-grid,
  .boundary-grid,
  .common-prep-list,
  .verify-list,
  .result-check-list,
  .feedback-list,
  .phase-list,
  .next-grid,
  .entry-grid,
  .next-entry-grid,
  .related-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .fit-col,
  .check-col,
  .need-col,
  .not-need-col,
  .adjust-col,
  .reconfirm-col,
  .scene-col {
    padding: 18px 18px;
  }

  /* 任务两栏：步骤在前，检查在后 */
  .page-layout.task-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    padding-bottom: 32px;
  }

  .step-item {
    padding: 16px 18px;
    margin-bottom: 12px;
  }

  .result-check {
    padding: 18px 18px;
  }

  .goal-section {
    padding-bottom: 32px;
    gap: 20px;
  }

  .condition-section {
    padding-bottom: 32px;
  }

  /* 合作说明 */
  .check-item,
  .route-step {
    gap: 12px;
  }

  .check-body h3,
  .route-body h3 {
    font-size: 15px;
  }

  /* 交付协作 */
  .phase-item {
    padding: 16px 18px;
  }

  /* FAQ 页 */
  .anchor-bar {
    margin-bottom: 28px;
  }

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

  .anchor-link {
    border-bottom: 1px solid var(--line);
    font-size: 13px;
  }

  .anchor-link:nth-child(2n) {
    border-right: none;
  }

  .anchor-link:nth-last-child(-n + 2) {
    border-bottom: none;
  }

  .faq-group {
    padding-bottom: 28px;
  }

  .faq-group-head h2 {
    font-size: 20px;
  }

  .faq-group .faq-item summary {
    min-height: 50px;
    font-size: 15px;
    padding: 12px 40px 12px 14px;
  }

  .faq-answer {
    padding: 0 14px 14px;
  }

  .faq-answer p {
    font-size: 14px;
  }

  .faq-figure {
    margin-bottom: 28px;
  }

  /* 表格转块 */
  table.scope-table,
  table.data-table {
    display: block;
    border: none;
    background-color: transparent;
  }

  table.scope-table thead,
  table.data-table thead {
    display: none;
  }

  table.scope-table tbody,
  table.data-table tbody {
    display: block;
  }

  table.scope-table tbody tr,
  table.data-table tbody tr {
    display: block;
    background-color: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
  }

  table.scope-table tbody tr:last-child,
  table.data-table tbody tr:last-child {
    margin-bottom: 0;
  }

  table.scope-table tbody th,
  table.data-table tbody th {
    display: block;
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--line);
    background-color: #ece6d8;
    padding: 10px 14px;
    min-width: 0;
  }

  table.scope-table tbody td,
  table.data-table tbody td {
    display: block;
    width: 100%;
    border-bottom: 1px dashed var(--line);
    padding: 10px 14px;
  }

  table.scope-table tbody td:last-child,
  table.data-table tbody td:last-child {
    border-bottom: none;
  }

  table.scope-table tbody td::before,
  table.data-table tbody td::before {
    content: attr(data-label);
    display: block;
    font-family: var(--font-head);
    font-size: 12px;
    font-weight: 600;
    color: var(--brick);
    margin-bottom: 2px;
  }

  table.scope-table tbody tr:hover,
  table.data-table tbody tr:hover {
    background-color: var(--surface);
  }

  /* 图片信息框 */
  .media-figure,
  .image-figure,
  .faq-figure {
    margin-bottom: 32px;
  }

  .hero-media img,
  .stage-media img,
  .media-figure img,
  .image-figure img,
  .faq-figure img,
  .goal-media img {
    aspect-ratio: 16 / 10;
  }

  /* 相关链接 */
  .related-links {
    gap: 8px;
    padding-top: 16px;
  }

  .related-links-item {
    flex: 1 1 calc(50% - 8px);
    justify-content: center;
    font-size: 13px;
    padding: 0 10px;
  }

  /* 页脚 */
  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    padding: 32px var(--gutter) 20px;
  }

  .footer-slogan {
    max-width: none;
  }

  .footer-col-title {
    margin-top: 12px;
  }

  .footer-bottom p {
    padding-left: var(--gutter);
    padding-right: var(--gutter);
    font-size: 12px;
  }

  /* 404 */
  .error-main {
    padding: 40px var(--gutter) 48px;
  }

  .error-code {
    font-size: 44px;
  }

  .error-block h1 {
    font-size: 26px;
  }

  .error-block {
    padding-bottom: 32px;
  }

  .error-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .error-link-list {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 420px) {
  .hero-copy h1 {
    font-size: 27px;
  }

  .page-title {
    font-size: 26px;
  }

  .brand {
    font-size: 18px;
  }

  .header-link {
    padding: 0 10px;
    font-size: 13px;
  }

  .menu-toggle {
    width: 44px;
    height: 44px;
  }

  .anchor-link {
    font-size: 12px;
    padding: 8px 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}