:root {
  --color-primary: #1f3a5f;
  --color-primary-soft: #2c4d78;
  --color-accent: #e8a33d;
  --color-accent-soft: #f6d9a8;
  --color-bg: #f7f8fa;
  --color-surface: #ffffff;
  --color-text: #2b2b2b;
  --color-muted: #5c6672;
  --color-border: #d9dee5;
  --color-border-strong: #c2cad4;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --container: 1120px;
  --prose: 720px;
  --radius: 6px;
  --shadow-sm: 0 1px 2px rgba(31, 58, 95, 0.06);
  --shadow-md: 0 4px 14px rgba(31, 58, 95, 0.08);
}

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

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

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

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.6em;
  color: var(--color-primary);
  font-weight: 600;
  line-height: 1.35;
}

p {
  margin: 0 0 1em;
}

ul, ol {
  margin: 0 0 1em;
  padding-left: 1.2em;
}

li {
  margin-bottom: 0.4em;
}

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

a:hover,
a:focus-visible {
  color: var(--color-accent);
}

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

figure {
  margin: 0;
}

figcaption {
  margin-top: 0.5em;
  color: var(--color-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

button {
  font: inherit;
  cursor: pointer;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.6em 1em;
  background: var(--color-primary);
  color: #fff;
  z-index: 100;
}

.skip-link:focus {
  left: 0;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--color-primary);
  border-bottom: 3px solid var(--color-accent);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  flex: 0 0 auto;
  color: #fff;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0;
  padding: 12px 0;
}

.brand:hover,
.brand:focus-visible {
  color: var(--color-accent);
}

.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list li {
  margin: 0;
}

.nav-link {
  display: block;
  padding: 10px 14px;
  color: #dbe4ef;
  font-size: 0.9375rem;
  border-radius: var(--radius);
  border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.08);
}

.nav-link.is-current {
  color: #fff;
  font-weight: 600;
  border-bottom-color: var(--color-accent);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius);
  position: relative;
}

.nav-toggle::before,
.nav-toggle::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  background: #fff;
}

.nav-toggle::before {
  top: 15px;
  box-shadow: 0 6px 0 #fff;
}

.nav-toggle::after {
  top: 27px;
}

.site-main {
  display: block;
}

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 20px;
}

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

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

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

.page-header {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 32px;
}

.page-description {
  margin: 0 0 8px;
  color: var(--color-accent);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--color-primary);
}

.page-lead {
  max-width: var(--prose);
  margin: 0;
  color: var(--color-muted);
  font-size: 1rem;
}

.page-lead a {
  color: var(--color-primary-soft);
  border-bottom: 1px solid var(--color-border-strong);
}

.page-lead a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.section {
  margin-bottom: 48px;
}

.section-title {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 10px;
}

.section-desc,
.section-intro {
  max-width: var(--prose);
  margin: 0 0 24px;
  color: var(--color-muted);
}

.section-intro a {
  color: var(--color-primary-soft);
  border-bottom: 1px solid var(--color-border-strong);
}

.section-intro a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.section-head {
  margin-bottom: 24px;
}

.section-more {
  margin: 20px 0 0;
}

.text-link {
  display: inline-block;
  color: var(--color-primary-soft);
  font-weight: 600;
  border-bottom: 1px solid var(--color-border-strong);
  padding-bottom: 1px;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.subsection-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 12px;
}

/* ============================================================
   components — 页脚
   ============================================================ */

.site-footer {
  background-color: var(--color-primary);
  color: #cfd9e5;
  margin-top: 48px;
  padding: 32px 0 20px;
}

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

.footer-back {
  margin: 0 0 20px;
}

.back-link {
  color: #cfd9e5;
  font-size: 0.875rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  padding-bottom: 1px;
}

.back-link:hover,
.back-link:focus-visible {
  color: #fff;
  border-bottom-color: var(--color-accent);
}

.footer-brand {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.footer-name {
  margin: 0 0 6px;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
}

.footer-desc {
  margin: 0;
  max-width: 640px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: #b6c2d1;
}

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

.footer-col-title {
  margin: 0 0 10px;
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
}

.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-list li {
  margin: 0 0 6px;
}

.footer-list a {
  color: #b6c2d1;
  font-size: 0.875rem;
}

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

.footer-copy {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.8125rem;
  color: #93a1b3;
}

/* ============================================================
   components — 通用按钮 / 状态标签 / 卡片
   ============================================================ */

.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #24170a;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: #f0b75a;
  color: #24170a;
}

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

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: rgba(31, 58, 95, 0.06);
}

.status-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-mono);
  white-space: nowrap;
}

.status-open {
  background-color: rgba(232, 163, 61, 0.16);
  color: #8a5a12;
  border: 1px solid rgba(232, 163, 61, 0.4);
}

.status-review {
  background-color: rgba(31, 58, 95, 0.08);
  color: var(--color-primary);
  border: 1px solid rgba(31, 58, 95, 0.2);
}

.button-link {
  display: inline-block;
  padding: 10px 20px;
  background-color: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
}

.button-link:hover,
.button-link:focus-visible {
  background-color: var(--color-primary-soft);
  color: #fff;
}

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

.home-main {
  display: block;
}

.hero {
  background-color: #fff;
  border-bottom: 1px solid var(--color-border);
}

.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

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

.hero-eyebrow {
  margin: 0 0 12px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
}

.hero-title {
  font-size: 34px;
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--color-primary);
}

.hero-lead {
  max-width: 560px;
  margin: 0 0 24px;
  color: var(--color-muted);
  font-size: 1.0625rem;
}

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

.hero-side {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-media {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-bg);
}

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

.hero-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.hero-point {
  margin: 0;
  padding: 12px 14px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius);
}

.point-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 4px;
}

.point-text {
  display: block;
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.content-media {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 32px;
}

.content-media img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

/* 服务方向索引 */
.service-directions .direction-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
}

.direction-row {
  margin: 0;
  border-bottom: 1px solid var(--color-border);
}

.direction-link {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 2fr) minmax(0, 1.2fr) auto;
  align-items: center;
  gap: 16px;
  padding: 16px 12px;
  color: var(--color-text);
  border-radius: var(--radius);
}

.direction-link:hover,
.direction-link:focus-visible {
  background-color: #fff;
  box-shadow: var(--shadow-sm);
  color: var(--color-text);
}

.direction-name {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-primary);
}

.direction-summary {
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.direction-audience {
  font-size: 0.875rem;
  color: var(--color-muted);
}

.direction-link:hover .direction-name,
.direction-link:focus-visible .direction-name {
  color: var(--color-accent);
}

/* 交付阶段概览 */
.stage-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.stage-item {
  margin: 0;
  padding: 20px 18px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius);
  min-width: 0;
}

.stage-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.stage-name {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0 0 10px;
}

.stage-work {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin: 0 0 10px;
}

.stage-coop {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin: 0;
}

/* 适用场景摘要 */
.scenario-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.scenario-col {
  min-width: 0;
  padding: 22px 20px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.scenario-name {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.scenario-need {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin: 0 0 10px;
}

.scenario-hard {
  font-size: 0.9375rem;
  color: var(--color-muted);
  margin: 0 0 10px;
}

.scenario-map {
  font-size: 0.875rem;
  color: var(--color-primary-soft);
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--color-border);
}

/* 常见问题速览 */
.faq-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

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

.faq-group-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
}

.faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.faq-item {
  margin: 0 0 8px;
}

.faq-link {
  display: block;
  padding: 10px 12px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--color-text);
}

.faq-link:hover,
.faq-link:focus-visible {
  border-color: var(--color-primary-soft);
  color: var(--color-primary);
}

/* 合作对接准备说明 */
.prep-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 24px;
}

.prep-info,
.prep-steps {
  min-width: 0;
  padding: 22px 20px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.prep-subtitle {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0 0 14px;
}

.prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.prep-item {
  margin: 0 0 12px;
  padding-left: 14px;
  border-left: 3px solid var(--color-accent-soft);
}

.prep-label {
  display: block;
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.9375rem;
}

.prep-text {
  display: block;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
}

.step-item {
  margin: 0 0 12px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.step-no {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent);
}

.step-text {
  font-size: 0.9375rem;
  color: var(--color-text);
}

/* ============================================================
   pages — 内页通用模块
   ============================================================ */

/* 服务能力：服务方向逐条说明 */
.direction-list .section-title {
  margin-bottom: 10px;
}

.direction-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
  gap: 28px;
  padding: 28px 0;
  border-top: 1px solid var(--color-border);
}

.direction-item:last-of-type {
  border-bottom: 1px solid var(--color-border);
}

.direction-aside {
  min-width: 0;
}

.direction-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.direction-aside .direction-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 10px;
}

.direction-desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
  margin: 0 0 16px;
}

.direction-media {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: #fff;
}

.direction-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.direction-media figcaption {
  padding: 8px 12px 12px;
}

.direction-body {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.direction-column {
  min-width: 0;
  padding: 18px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.column-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.column-list {
  margin: 0;
  padding-left: 1.1em;
}

.column-list li {
  font-size: 0.9375rem;
  color: var(--color-text);
}

/* 服务能力：匹配判断 */
.matching-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.matching-item {
  margin: 0;
  padding: 18px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius);
  min-width: 0;
}

.matching-name {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 8px;
}

.matching-text {
  font-size: 0.9375rem;
  color: var(--color-muted);
  margin: 0;
}

.matching-note {
  margin: 20px 0 0;
  padding: 14px 16px;
  background-color: #fff;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius);
  font-size: 0.9375rem;
}

/* 服务能力：相关入口 */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.related-card {
  min-width: 0;
  padding: 20px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.related-name {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0 0 10px;
}

.related-name a {
  color: var(--color-primary);
}

.related-name a:hover,
.related-name a:focus-visible {
  color: var(--color-accent);
}

.related-text {
  font-size: 0.9375rem;
  color: var(--color-muted);
  margin: 0;
}

/* 交付体系：阶段时间线 */
.content-shell {
  max-width: var(--container);
}

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

.stage-timeline .stage-item {
  display: block;
  padding: 0;
  background-color: transparent;
  border: 0;
  border-top: 1px solid var(--color-border);
  border-radius: 0;
}

.stage-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 20px 0 10px;
}

.stage-num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent);
  white-space: nowrap;
}

.stage-head .stage-name {
  margin: 0;
  font-size: 1.1875rem;
}

.stage-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  padding-bottom: 24px;
}

.stage-col {
  min-width: 0;
  padding: 18px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.stage-col-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.stage-col p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.stage-figure {
  margin-top: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: #fff;
}

.stage-figure img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.stage-figure figcaption {
  padding: 10px 16px 14px;
}

/* 交付体系：阶段产出确认 */
.confirmation-table {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: #fff;
}

.confirmation-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr) minmax(0, 1.6fr);
  border-bottom: 1px solid var(--color-border);
}

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

.confirmation-head {
  background-color: var(--color-primary);
}

.confirmation-head .confirmation-cell {
  color: #fff;
  font-weight: 600;
}

.confirmation-cell {
  min-width: 0;
  padding: 12px 16px;
  font-size: 0.9375rem;
  border-right: 1px solid var(--color-border);
}

.confirmation-cell:last-child {
  border-right: 0;
}

.confirmation-head .confirmation-cell {
  border-right-color: rgba(255, 255, 255, 0.18);
}

.confirmation-head .confirmation-cell:last-child {
  border-right: 0;
}

.confirmation-tips {
  margin-top: 24px;
  padding: 20px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.tips-list {
  margin: 0;
  padding-left: 1.1em;
}

.tips-list li {
  font-size: 0.9375rem;
  color: var(--color-text);
}

/* 交付体系：收尾入口 */
.delivery-cta {
  margin-top: 40px;
  padding: 24px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
}

.delivery-cta p {
  margin: 0 0 12px;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.delivery-cta .cta-link {
  margin: 0;
}

/* 适用场景：场景列表 */
.page-figure {
  margin: 0 0 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: #fff;
}

.page-figure img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.page-figure figcaption {
  padding: 10px 16px 14px;
}

.scenario-item {
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
}

.scenario-item:last-of-type {
  border-bottom: 1px solid var(--color-border);
}

.scenario-head {
  margin-bottom: 16px;
}

.scenario-index {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent);
}

.scenario-item .scenario-name {
  margin: 0;
  font-size: 1.25rem;
  padding-bottom: 0;
  border-bottom: 0;
}

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

.scenario-body .scenario-col {
  min-width: 0;
  padding: 18px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.col-title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.scenario-body .scenario-col p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.scenario-body .scenario-col p a {
  color: var(--color-primary-soft);
  border-bottom: 1px solid var(--color-border-strong);
}

.scenario-body .scenario-col p a:hover,
.scenario-body .scenario-col p a:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.mapping-figure {
  margin: 0 0 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: #fff;
}

.mapping-figure img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.mapping-figure figcaption {
  padding: 10px 16px 14px;
}

.mapping-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: #fff;
}

.mapping-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.mapping-caption {
  padding: 12px 16px;
  text-align: left;
  color: var(--color-muted);
  font-size: 0.875rem;
  border-bottom: 1px solid var(--color-border);
}

.mapping-table th,
.mapping-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.mapping-table thead th {
  background-color: var(--color-primary);
  color: #fff;
  font-weight: 600;
}

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

.mapping-table tbody tr:nth-child(even) {
  background-color: var(--color-bg);
}

/* 适用场景：范围核对 */
.check-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.check-item {
  margin: 0;
  padding: 20px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: var(--radius);
  min-width: 0;
}

.check-question {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 10px;
}

.check-item p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.scenario-aside {
  padding: 22px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.aside-title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0 0 12px;
}

.scenario-aside p {
  margin: 0 0 14px;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.aside-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.aside-links li {
  margin: 0 0 8px;
}

.aside-links a {
  display: block;
  padding: 10px 12px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--color-primary);
}

.aside-links a:hover,
.aside-links a:focus-visible {
  border-color: var(--color-primary-soft);
  color: var(--color-accent);
}

/* 常见问题：分组问答 */
.faq-group .section-head {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.section-index {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent);
}

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

.faq-group .faq-list {
  display: grid;
  gap: 12px;
}

.faq-group .faq-item {
  margin: 0;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  padding: 14px 18px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 44px;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.125rem;
  color: var(--color-accent);
}

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

.faq-answer {
  padding: 0 18px 16px;
  border-top: 1px solid var(--color-border);
}

.faq-answer p {
  margin: 12px 0 0;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.next-step {
  margin-top: 40px;
}

.next-step-body {
  padding: 24px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
}

.next-step-body p {
  margin: 0 0 16px;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.next-step-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.next-step-links li {
  margin: 0;
}

.next-step-links a {
  display: block;
  padding: 10px 14px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--color-primary);
}

.next-step-links a:hover,
.next-step-links a:focus-visible {
  border-color: var(--color-primary-soft);
  color: var(--color-accent);
}

/* 合作对接 */
.contact-media .media-figure {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: #fff;
}

.contact-media .media-figure img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.media-caption {
  padding: 10px 16px 14px;
}

.requirement-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.requirement-item {
  margin: 0;
  padding: 18px 20px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius);
  min-width: 0;
}

.requirement-name {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 8px;
}

.requirement-text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.contact-steps .step-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  counter-reset: none;
}

.contact-steps .step-item {
  margin: 0;
  display: block;
  padding: 18px 20px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  min-width: 0;
}

.step-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.step-name {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 8px;
}

.step-text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.checklist-item {
  margin: 0;
  padding: 16px 18px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  align-items: baseline;
}

.checklist-mark {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  padding-top: 3px;
}

.checklist-name {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
}

.checklist-text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

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

.note-item {
  min-width: 0;
  padding: 20px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: var(--radius);
}

.note-name {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 10px;
}

.note-text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

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

.error-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 56px 24px 64px;
}

.error-block {
  max-width: var(--prose);
  margin-bottom: 40px;
}

.error-code {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent);
}

.error-title {
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 14px;
}

.error-desc {
  margin: 0 0 20px;
  color: var(--color-muted);
}

.error-home-link {
  display: inline-block;
  padding: 11px 22px;
  background-color: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
}

.error-home-link:hover,
.error-home-link:focus-visible {
  background-color: var(--color-primary-soft);
  color: #fff;
}

.error-paths-title {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 16px;
}

.error-path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.error-path-item {
  margin: 0;
  padding: 14px 18px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
}

.error-path-item a {
  font-weight: 600;
  color: var(--color-primary);
}

.error-path-item a:hover,
.error-path-item a:focus-visible {
  color: var(--color-accent);
}

.error-path-note {
  font-size: 0.875rem;
  color: var(--color-muted);
}

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

@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 28px;
  }

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

  .scenario-columns,
  .faq-groups,
  .related-grid,
  .check-list,
  .notes-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .scenario-body .scenario-direction {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 0;
    padding: 0 18px;
    min-height: 60px;
  }

  .brand {
    font-size: 1.0625rem;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    flex: 1 0 100%;
    justify-content: flex-start;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding: 8px 0 12px;
  }

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

  .nav-link {
    padding: 13px 12px;
    font-size: 1rem;
    border-bottom: 0;
    border-left: 3px solid transparent;
    border-radius: 0;
  }

  .nav-link.is-current {
    border-bottom: 0;
    border-left-color: var(--color-accent);
    background-color: rgba(255, 255, 255, 0.08);
  }

  .inner-main,
  .error-main {
    padding: 20px 18px 48px;
  }

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

  .section-title {
    font-size: 21px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    padding: 32px 18px 24px;
    gap: 28px;
  }

  .hero-title {
    font-size: 27px;
  }

  .content-media {
    padding: 0 18px 24px;
  }

  .stage-track,
  .scenario-columns,
  .faq-groups,
  .prep-layout,
  .direction-item,
  .direction-body,
  .matching-list,
  .related-grid,
  .stage-body,
  .scenario-body,
  .check-list,
  .next-step-links,
  .requirement-list,
  .contact-steps .step-list,
  .notes-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .scenario-body .scenario-direction {
    grid-column: auto;
  }

  .direction-link {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 16px 8px;
  }

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

  .confirmation-cell {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
    padding: 10px 14px;
  }

  .confirmation-cell:last-child {
    border-bottom: 0;
  }

  .confirmation-head {
    display: none;
  }

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

@media (max-width: 480px) {
  .hero-points {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }

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

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

  .section-title {
    font-size: 19px;
  }

  .stage-figure img,
  .page-figure img,
  .mapping-figure img,
  .contact-media .media-figure img,
  .content-media img {
    aspect-ratio: 16 / 9;
  }

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

  .checklist-mark {
    grid-row: auto;
  }
}

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

  a,
  .btn {
    transition: none;
  }
}