/* ============================================================
   base — 全局基础
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #1E293B;
  background-color: #F4F1EC;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: #0F2A43;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #E8652B;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  color: #0F2A43;
  line-height: 1.35;
}

h1 {
  font-size: 2.25rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.125rem;
}

p {
  margin-bottom: 1rem;
}

strong {
  font-weight: 600;
}

figure {
  margin: 0;
}

figcaption {
  font-size: 0.875rem;
  color: #64748B;
  margin-top: 0.5rem;
  line-height: 1.5;
}

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

/* 站点主体 — 程序锁定骨架 */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-body .site-main {
  flex: 1 0 auto;
}

/* 页头 */
.site-header {
  background-color: #0F2A43;
  color: #FFFFFF;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(15, 42, 67, 0.12);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-logo {
  color: #FFFFFF;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.4;
  white-space: nowrap;
}

.brand-logo:hover {
  color: #E8652B;
}

/* 主导航 */
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  display: block;
  padding: 8px 16px;
  color: #DCE4ED;
  font-size: 0.9375rem;
  border-bottom: 2px solid transparent;
  line-height: 1.5;
}

.main-nav a:hover {
  color: #FFFFFF;
  border-bottom-color: rgba(232, 101, 43, 0.5);
}

.main-nav a.is-current {
  color: #FFFFFF;
  border-bottom-color: #E8652B;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 10px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #FFFFFF;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 页脚 */
.site-footer {
  background-color: #0F2A43;
  color: #C7D3E0;
  margin-top: auto;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px 32px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand .footer-logo {
  color: #FFFFFF;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: #A9B8C8;
  max-width: 320px;
}

.footer-col h2 {
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: #A9B8C8;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.footer-col a:hover {
  color: #E8652B;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 24px;
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 0.875rem;
  color: #7E92A5;
}

/* 面包屑 */
.breadcrumb {
  background-color: #F4F1EC;
  border-bottom: 1px solid #E5DED4;
}

.breadcrumb ol {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
}

.breadcrumb ol li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb a {
  color: #0F2A43;
}

.breadcrumb a:hover {
  color: #E8652B;
}

.breadcrumb-current {
  color: #64748B;
}

.breadcrumb-sep {
  color: #94A3B8;
  margin: 0 4px;
}

/* 内页主容器 */
.inner-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  width: 100%;
}

/* 页面标题区 */
.page-header {
  margin-bottom: 32px;
  background-color: #F4F1EC;
}

.page-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: #0F2A43;
  line-height: 1.3;
  margin-bottom: 16px;
}

.page-intro {
  font-size: 1.0625rem;
  color: #475569;
  max-width: 720px;
  line-height: 1.7;
}

.page-title-area {
  margin-bottom: 32px;
}

.page-subtitle {
  font-size: 1.0625rem;
  color: #475569;
  max-width: 720px;
  line-height: 1.7;
}

.page-title-block {
  margin-bottom: 32px;
}

.page-title-block p {
  font-size: 1.0625rem;
  color: #475569;
  max-width: 720px;
}

/* 相关链接 */
.related-links {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 24px 48px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.related-links-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: #0F2A43;
}

.related-links-item {
  display: inline-block;
  padding: 8px 16px;
  background-color: #FFFFFF;
  border: 1px solid #E5DED4;
  border-radius: 6px;
  font-size: 0.9375rem;
  color: #0F2A43;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.related-links-item:hover {
  border-color: #E8652B;
  color: #E8652B;
}

/* 按钮 */
.btn-primary {
  display: inline-block;
  padding: 14px 32px;
  background-color: #E8652B;
  color: #FFFFFF;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.4;
  border: 2px solid #E8652B;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.btn-primary:hover {
  background-color: #D55A24;
  border-color: #D55A24;
  color: #FFFFFF;
}

.btn-secondary {
  display: inline-block;
  padding: 14px 32px;
  background-color: transparent;
  color: #0F2A43;
  border: 2px solid #0F2A43;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.4;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.btn-secondary:hover {
  background-color: #0F2A43;
  color: #FFFFFF;
}

.btn-text {
  display: inline-block;
  padding: 10px 0;
  color: #E8652B;
  font-weight: 600;
  font-size: 0.9375rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.btn-text:hover {
  border-bottom-color: #E8652B;
}

.text-link {
  color: #E8652B;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.text-link:hover {
  border-bottom-color: #E8652B;
}

/* ============================================================
   components — 公用组件
   ============================================================ */

/* FAQ 手风琴 */
.faq-item {
  background-color: #FFFFFF;
  border: 1px solid #E5DED4;
  border-radius: 6px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  color: #0F2A43;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 48px;
  line-height: 1.5;
  transition: color 0.2s ease;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 400;
  color: #E8652B;
  transition: transform 0.2s ease;
}

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

.faq-item summary:hover {
  color: #E8652B;
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
}

.faq-item .faq-answer p {
  margin: 0;
  color: #475569;
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* 步骤数字 */
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  background-color: #E8652B;
  color: #FFFFFF;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 50%;
}

/* 首页 section 头部 */
.section-head {
  max-width: 1200px;
  margin: 0 auto 40px;
  padding: 0 24px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #E8652B;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.section-head p {
  color: #475569;
  max-width: 640px;
  font-size: 1rem;
}

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

/* Hero */
.hero {
  background-color: #0F2A43;
  color: #FFFFFF;
  padding: 72px 0 0;
}

.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero-tagline {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  color: #E8652B;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.hero h1 {
  color: #FFFFFF;
  font-size: 2.5rem;
  line-height: 1.25;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1.0625rem;
  color: #C7D3E0;
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-actions .btn-primary {
  border-color: #E8652B;
}

.hero-actions .btn-secondary {
  border-color: #FFFFFF;
  color: #FFFFFF;
}

.hero-actions .btn-secondary:hover {
  background-color: #FFFFFF;
  color: #0F2A43;
}

.hero-visual {
  position: relative;
}

.hero-figure {
  border-radius: 6px;
  overflow: hidden;
  background-color: rgba(255, 255, 255, 0.08);
}

.hero-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* 服务目录 */
.hero-directory {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px 0;
}

.hero-directory h2 {
  color: #FFFFFF;
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 20px;
}

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

.directory-list li {
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.directory-list a {
  display: block;
  padding: 18px 20px;
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.directory-list a:hover {
  color: #E8652B;
}

/* 内容媒体图 */
.content-media {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 0;
}

.content-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  border-radius: 6px;
}

.content-media figcaption {
  color: #A9B8C8;
  font-size: 0.875rem;
  margin-top: 12px;
}

/* 服务矩阵 */
.service-matrix {
  padding: 72px 0;
}

.matrix-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background-color: #FFFFFF;
  border: 1px solid #E5DED4;
  border-radius: 6px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.service-card:hover {
  box-shadow: 0 8px 24px rgba(15, 42, 67, 0.08);
  border-color: #D5CCC0;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.service-card p {
  font-size: 0.9375rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 12px;
}

.service-card p strong {
  color: #0F2A43;
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
  font-size: 0.875rem;
}

.card-scene,
.card-action,
.card-deliverable {
  padding-left: 0;
}

.card-link {
  margin-top: auto;
  padding-top: 16px;
  color: #E8652B;
  font-weight: 600;
  font-size: 0.9375rem;
  display: inline-block;
  border-bottom: 2px solid transparent;
  align-self: flex-start;
  transition: border-color 0.2s ease;
}

.card-link:hover {
  border-bottom-color: #E8652B;
}

.service-card-large {
  grid-column: span 2;
  background-color: #0F2A43;
  border-color: #0F2A43;
}

.service-card-large h3 {
  color: #FFFFFF;
}

.service-card-large p {
  color: #C7D3E0;
}

.service-card-large p strong {
  color: #FFFFFF;
}

.service-card-large .card-link {
  color: #E8652B;
}

/* 洞察摘要 */
.insight-summary {
  padding: 72px 0;
  background-color: #FFFFFF;
}

.insight-list {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.insight-item {
  background-color: #F4F1EC;
  border-radius: 6px;
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.insight-item h3 {
  font-size: 1.125rem;
  margin-bottom: 16px;
}

.insight-item p {
  font-size: 0.9375rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 12px;
}

.insight-item p strong {
  display: block;
  font-size: 0.8125rem;
  color: #E8652B;
  margin-bottom: 4px;
  font-weight: 600;
}

.insight-link {
  margin-top: auto;
  padding-top: 16px;
  color: #E8652B;
  font-weight: 600;
  font-size: 0.9375rem;
  align-self: flex-start;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.insight-link:hover {
  border-bottom-color: #E8652B;
}

/* 合作流程预览 */
.process-preview {
  padding: 72px 0;
}

.process-steps {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-item {
  background-color: #FFFFFF;
  border: 1px solid #E5DED4;
  border-radius: 6px;
  padding: 28px;
  position: relative;
}

.step-item .step-number {
  margin-bottom: 16px;
}

.step-item h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.step-item p {
  font-size: 0.9375rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 12px;
}

.step-deliverable strong {
  display: block;
  font-size: 0.8125rem;
  color: #E8652B;
  font-weight: 600;
  margin-bottom: 4px;
}

.step-deliverable {
  font-size: 0.9375rem;
  color: #475569;
}

.process-cta {
  max-width: 1200px;
  margin: 32px auto 0;
  padding: 0 24px;
  text-align: center;
}

/* FAQ 预览 */
.faq-preview {
  padding: 72px 0;
  background-color: #FFFFFF;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.faq-more {
  max-width: 800px;
  margin: 24px auto 0;
  padding: 0 24px;
  text-align: center;
}

/* CTA 区域 */
.cta-section {
  padding: 72px 0;
  background-color: #0F2A43;
}

.cta-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.cta-content h2 {
  color: #FFFFFF;
  font-size: 1.75rem;
  margin-bottom: 16px;
}

.cta-content p {
  color: #C7D3E0;
  max-width: 560px;
  margin: 0 auto 32px;
  font-size: 1.0625rem;
}

.cta-content .btn-primary {
  border-color: #E8652B;
}

/* ============================================================
   pages — 服务与场景
   ============================================================ */

/* 侧栏布局 */
.page-layout.sidebar-left {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: start;
}

.category-sidebar {
  background-color: #FFFFFF;
  border: 1px solid #E5DED4;
  border-radius: 6px;
  padding: 24px;
  position: sticky;
  top: 96px;
}

.category-sidebar h2 {
  font-size: 1.125rem;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #E5DED4;
}

.category-tree {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.category-tree a {
  display: block;
  padding: 10px 12px;
  border-radius: 4px;
  color: #475569;
  font-size: 0.9375rem;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.category-tree a:hover {
  background-color: #F4F1EC;
  color: #E8652B;
}

/* 服务区块 */
.service-block {
  margin-bottom: 56px;
  scroll-margin-top: 96px;
}

.service-block-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.service-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  background-color: #E8652B;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 50%;
}

.service-block-header h2 {
  font-size: 1.5rem;
}

.service-block-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.service-text p {
  color: #475569;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.service-text h3 {
  font-size: 1rem;
  margin: 24px 0 12px;
  color: #0F2A43;
}

.service-text ul {
  list-style: none;
  padding: 0;
  margin-bottom: 16px;
}

.service-text ul li {
  padding: 8px 0 8px 20px;
  position: relative;
  color: #475569;
  font-size: 0.9375rem;
  line-height: 1.6;
}

.service-text ul li::before {
  content: "";
  width: 6px;
  height: 6px;
  background-color: #E8652B;
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 16px;
}

.service-figure {
  border-radius: 6px;
  overflow: hidden;
  background-color: #F4F1EC;
}

.service-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* 场景推荐 */
.scenario-recommend {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid #E5DED4;
}

.scenario-recommend h2 {
  margin-bottom: 12px;
}

.scenario-recommend > p {
  color: #475569;
  margin-bottom: 32px;
  max-width: 640px;
}

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

.scenario-card {
  background-color: #FFFFFF;
  border: 1px solid #E5DED4;
  border-radius: 6px;
  padding: 32px;
}

.scenario-card h3 {
  margin-bottom: 12px;
}

.scenario-desc {
  color: #475569;
  font-size: 0.9375rem;
  margin-bottom: 16px;
}

.scenario-combo {
  background-color: #F4F1EC;
  padding: 16px;
  border-radius: 4px;
  font-size: 0.9375rem;
  color: #0F2A43;
}

/* 交付标准 */
.delivery-standard {
  margin-top: 56px;
  background-color: #FFFFFF;
  border: 1px solid #E5DED4;
  border-radius: 6px;
  padding: 40px;
}

.delivery-standard h2 {
  margin-bottom: 12px;
}

.delivery-standard > p {
  color: #475569;
  margin-bottom: 24px;
}

.delivery-standard ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.delivery-standard ul li {
  padding: 12px 16px;
  background-color: #F4F1EC;
  border-radius: 4px;
  font-size: 0.9375rem;
  color: #475569;
}

.delivery-standard ul li::before {
  content: "✓ ";
  color: #E8652B;
  font-weight: 700;
}

.delivery-standard a {
  color: #E8652B;
  font-weight: 600;
}

/* ============================================================
   pages — 内容洞察
   ============================================================ */

/* 侧栏 */
.category-box {
  margin-bottom: 24px;
}

.category-box h2 {
  margin-bottom: 16px;
}

.category-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.category-list a {
  display: block;
  padding: 10px 12px;
  border-radius: 4px;
  color: #475569;
  font-size: 0.9375rem;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.category-list a:hover {
  background-color: #F4F1EC;
  color: #E8652B;
}

.category-note {
  background-color: #F4F1EC;
  border-radius: 4px;
  padding: 16px;
}

.category-note p {
  margin: 0;
  font-size: 0.875rem;
  color: #64748B;
  line-height: 1.6;
}

/* 洞察卡片 */
.insights-list {
  margin-bottom: 56px;
}

.insights-list > h2 {
  font-size: 1.5rem;
  margin-bottom: 32px;
}

.insight-card {
  background-color: #FFFFFF;
  border: 1px solid #E5DED4;
  border-radius: 6px;
  margin-bottom: 32px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 280px 1fr;
}

.insight-media {
  background-color: #F4F1EC;
}

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

.insight-content {
  padding: 32px;
}

.insight-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.insight-tag {
  display: inline-block;
  padding: 4px 10px;
  background-color: #F4F1EC;
  color: #E8652B;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 4px;
}

.insight-meta time {
  font-size: 0.875rem;
  color: #94A3B8;
}

.insight-card h3 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.insight-framework {
  margin-bottom: 16px;
}

.framework-item {
  margin-bottom: 12px;
}

.framework-item dt {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #E8652B;
  margin-bottom: 4px;
}

.framework-item dd {
  font-size: 0.9375rem;
  color: #475569;
  line-height: 1.6;
  padding-left: 0;
  margin-left: 0;
  min-width: 0;
}

.insight-card .insight-link {
  display: inline-block;
  color: #E8652B;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.insight-card .insight-link:hover {
  border-bottom-color: #E8652B;
}

/* 方法论 */
.methodology {
  background-color: #F4F1EC;
  border-radius: 6px;
  padding: 40px;
  margin-bottom: 48px;
}

.methodology h2 {
  margin-bottom: 16px;
}

.methodology p {
  color: #475569;
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 12px;
}

/* ============================================================
   pages — 合作流程
   ============================================================ */

/* 步骤导航 */
.step-nav {
  max-width: 1200px;
  margin: 0 auto 48px;
  background-color: #FFFFFF;
  border: 1px solid #E5DED4;
  border-radius: 6px;
  padding: 20px 24px;
}

.step-nav ol {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.step-nav a {
  display: block;
  text-align: center;
  padding: 12px 8px;
  border-radius: 4px;
  color: #64748B;
  font-size: 0.9375rem;
  font-weight: 600;
  border-bottom: 3px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.step-nav a:hover {
  color: #E8652B;
  background-color: #F4F1EC;
}

.step-nav a.is-current {
  color: #E8652B;
  border-bottom-color: #E8652B;
  background-color: #F4F1EC;
}

/* 阶段时间线 */
.process-timeline {
  position: relative;
  margin-bottom: 64px;
}

.process-timeline::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: #E5DED4;
}

.process-stage {
  position: relative;
  padding-left: 72px;
  margin-bottom: 48px;
}

.stage-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.stage-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 48px;
  background-color: #E8652B;
  color: #FFFFFF;
  font-size: 1.125rem;
  font-weight: 700;
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  border: 4px solid #F4F1EC;
}

.stage-meta h2 {
  font-size: 1.5rem;
}

.stage-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.stage-block {
  background-color: #FFFFFF;
  border: 1px solid #E5DED4;
  border-radius: 6px;
  padding: 24px;
}

.stage-block h3 {
  font-size: 0.9375rem;
  color: #E8652B;
  margin-bottom: 8px;
  font-weight: 600;
}

.stage-block p {
  margin: 0;
  font-size: 0.9375rem;
  color: #475569;
  line-height: 1.6;
}

/* 启动前准备 */
.preparation-block {
  background-color: #FFFFFF;
  border: 1px solid #E5DED4;
  border-radius: 6px;
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 48px;
}

.preparation-text h2 {
  margin-bottom: 12px;
}

.preparation-text p {
  color: #475569;
  font-size: 0.9375rem;
  line-height: 1.7;
}

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

.preparation-list li {
  padding: 12px 16px;
  background-color: #F4F1EC;
  border-radius: 4px;
  font-size: 0.9375rem;
  color: #475569;
  line-height: 1.5;
}

.preparation-list li::before {
  content: "✓ ";
  color: #E8652B;
  font-weight: 700;
}

.preparation-figure {
  border-radius: 6px;
  overflow: hidden;
}

.preparation-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.preparation-figure figcaption {
  color: #64748B;
  font-size: 0.875rem;
  margin-top: 12px;
}

/* 流程 CTA */
.process-cta {
  text-align: center;
  margin-bottom: 48px;
}

.process-cta h2 {
  margin-bottom: 12px;
}

.process-cta p {
  color: #475569;
  max-width: 560px;
  margin: 0 auto 24px;
}

.cta-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-links a {
  display: inline-block;
  padding: 12px 28px;
  border: 2px solid #E8652B;
  color: #E8652B;
  border-radius: 6px;
  font-weight: 600;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.cta-links a:hover {
  background-color: #E8652B;
  color: #FFFFFF;
}

/* ============================================================
   pages — 团队与合作
   ============================================================ */

/* 团队角色 */
.team-roles-section {
  margin-bottom: 64px;
}

.section-heading {
  margin-bottom: 32px;
}

.section-heading h2 {
  margin-bottom: 12px;
}

.section-heading p {
  color: #475569;
  max-width: 640px;
}

/* 筛选按钮 */
.role-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.filter-btn {
  padding: 10px 20px;
  background-color: #FFFFFF;
  border: 1px solid #E5DED4;
  border-radius: 6px;
  color: #475569;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.filter-btn:hover {
  border-color: #E8652B;
  color: #E8652B;
}

.filter-btn.is-active {
  background-color: #E8652B;
  border-color: #E8652B;
  color: #FFFFFF;
}

/* 角色卡片 */
.role-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.role-card {
  background-color: #FFFFFF;
  border: 1px solid #E5DED4;
  border-radius: 6px;
  padding: 32px;
  transition: box-shadow 0.2s ease;
}

.role-card:hover {
  box-shadow: 0 8px 24px rgba(15, 42, 67, 0.06);
}

.role-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.role-card-header h3 {
  font-size: 1.125rem;
}

.role-tag {
  display: inline-block;
  padding: 4px 10px;
  background-color: #F4F1EC;
  color: #0F2A43;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 4px;
  white-space: nowrap;
}

.role-desc {
  color: #475569;
  font-size: 0.9375rem;
  margin-bottom: 16px;
}

.role-output {
  background-color: #F4F1EC;
  border-radius: 4px;
  padding: 16px;
}

.role-output h4 {
  font-size: 0.875rem;
  color: #0F2A43;
  margin-bottom: 8px;
}

.role-output ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.role-output li {
  font-size: 0.875rem;
  color: #475569;
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.role-output li::before {
  content: "";
  width: 5px;
  height: 5px;
  background-color: #E8652B;
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 10px;
}

/* 协作场景 */
.collab-scene-section {
  margin-bottom: 64px;
}

.collab-scene-figure {
  margin-bottom: 32px;
  border-radius: 6px;
  overflow: hidden;
}

.collab-scene-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.collab-mode-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.collab-mode-card {
  background-color: #FFFFFF;
  border: 1px solid #E5DED4;
  border-radius: 6px;
  padding: 28px;
}

.collab-mode-card h3 {
  font-size: 1.0625rem;
  margin-bottom: 12px;
}

.collab-mode-card p {
  margin: 0;
  color: #475569;
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* 申请流程 */
.apply-process-section {
  margin-bottom: 64px;
}

.apply-step-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 32px;
}

.apply-step {
  display: flex;
  gap: 24px;
  background-color: #FFFFFF;
  border: 1px solid #E5DED4;
  border-radius: 6px;
  padding: 28px;
}

.apply-step .step-number {
  flex-shrink: 0;
  min-width: 40px;
  height: 40px;
}

.step-content h3 {
  font-size: 1.0625rem;
  margin-bottom: 8px;
}

.step-content p {
  margin-bottom: 8px;
  color: #475569;
  font-size: 0.9375rem;
}

.step-note {
  font-size: 0.875rem;
  color: #94A3B8;
  background-color: #F4F1EC;
  padding: 8px 12px;
  border-radius: 4px;
  display: inline-block;
  margin-top: 4px;
}

/* 申请 CTA */
.apply-cta {
  background-color: #0F2A43;
  border-radius: 6px;
  padding: 32px 40px;
  text-align: center;
}

.apply-cta p {
  color: #C7D3E0;
  margin-bottom: 16px;
  font-size: 1rem;
}

.apply-cta .text-link {
  color: #E8652B;
  font-size: 1rem;
  font-weight: 600;
}

/* 相关链接区块 */
.related-links-section {
  margin-bottom: 48px;
}

.related-links-section h2 {
  margin-bottom: 16px;
}

.related-link-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.related-link-list a {
  display: block;
  padding: 16px 20px;
  background-color: #FFFFFF;
  border: 1px solid #E5DED4;
  border-radius: 6px;
  font-size: 0.9375rem;
  color: #0F2A43;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.related-link-list a:hover {
  border-color: #E8652B;
  color: #E8652B;
}

/* ============================================================
   pages — 常见问题
   ============================================================ */

.faq-intro-media {
  margin-bottom: 48px;
}

.faq-figure {
  border-radius: 6px;
  overflow: hidden;
}

.faq-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
}

.faq-figure figcaption {
  color: #64748B;
  font-size: 0.875rem;
  margin-top: 12px;
}

.faq-group {
  margin-bottom: 56px;
}

.faq-group-header {
  margin-bottom: 24px;
}

.faq-group-header h2 {
  font-size: 1.375rem;
  margin-bottom: 8px;
}

.faq-group-header p {
  color: #475569;
  font-size: 0.9375rem;
}

.faq-group .faq-list {
  padding: 0;
}

/* FAQ CTA */
.faq-cta {
  background-color: #FFFFFF;
  border-radius: 6px;
  padding: 48px 40px;
  text-align: center;
  border: 1px solid #E5DED4;
  margin-bottom: 48px;
}

.faq-cta .cta-content h2 {
  margin-bottom: 12px;
}

.faq-cta .cta-content p {
  color: #475569;
  margin-bottom: 20px;
}

.cta-link {
  display: inline-block;
  padding: 12px 28px;
  background-color: #E8652B;
  color: #FFFFFF;
  border-radius: 6px;
  font-weight: 600;
  transition: background-color 0.2s ease;
}

.cta-link:hover {
  background-color: #D55A24;
  color: #FFFFFF;
}

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

.error-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.error-panel {
  text-align: center;
  max-width: 480px;
}

.error-code {
  font-size: 5rem;
  font-weight: 700;
  color: #E8652B;
  line-height: 1;
  margin-bottom: 16px;
}

.error-panel h1 {
  margin-bottom: 16px;
}

.error-desc {
  color: #475569;
  font-size: 1.0625rem;
  margin-bottom: 32px;
}

.error-link {
  display: inline-block;
  padding: 12px 28px;
  background-color: #E8652B;
  color: #FFFFFF;
  border-radius: 6px;
  font-weight: 600;
  transition: background-color 0.2s ease;
}

.error-link:hover {
  background-color: #D55A24;
  color: #FFFFFF;
}

/* ============================================================
   responsive — 响应式
   ============================================================ */

@media (max-width: 1024px) {
  .header-inner {
    padding: 0 20px;
  }

  .main-nav a {
    padding: 8px 12px;
    font-size: 0.875rem;
  }

  .hero-grid {
    gap: 32px;
  }

  .hero h1 {
    font-size: 2rem;
  }

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

  .service-card-large {
    grid-column: span 2;
  }

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

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .page-layout.sidebar-left {
    grid-template-columns: 220px 1fr;
    gap: 32px;
  }

  .insight-card {
    grid-template-columns: 220px 1fr;
  }

  .stage-content {
    grid-template-columns: 1fr;
  }

  .preparation-block {
    grid-template-columns: 1fr;
  }

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

  .collab-mode-grid {
    grid-template-columns: 1fr;
  }

  .related-link-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-inner {
    min-height: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background-color: #0F2A43;
    z-index: 99;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .site-nav.is-open {
    max-height: 480px;
    overflow-y: auto;
  }

  .site-nav ul {
    flex-direction: column;
    padding: 16px 20px;
    gap: 0;
  }

  .site-nav li {
    width: 100%;
  }

  .site-nav a {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 1rem;
    border-bottom-color: rgba(255, 255, 255, 0.08);
  }

  .site-nav a.is-current {
    color: #E8652B;
    border-bottom-color: rgba(255, 255, 255, 0.08);
  }

  .site-nav a:hover {
    border-bottom-color: rgba(255, 255, 255, 0.08);
  }

  .hero {
    padding-top: 48px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero h1 {
    font-size: 1.875rem;
  }

  .hero-directory {
    padding-top: 40px;
  }

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

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

  .matrix-grid {
    grid-template-columns: 1fr;
  }

  .service-card-large {
    grid-column: span 1;
  }

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

  .process-steps {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 40px;
  }

  .footer-brand p {
    max-width: none;
  }

  .inner-main {
    padding: 32px 20px 64px;
  }

  .page-title {
    font-size: 1.75rem;
  }

  /* 侧栏布局：手机端侧栏在正文后 */
  .page-layout.sidebar-left {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 32px 20px 64px;
  }

  .category-sidebar {
    order: 2;
    position: static;
    margin-top: 40px;
  }

  .page-layout.sidebar-left .inner-main {
    order: 1;
    padding: 0;
  }

  .service-block-body {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .scenario-cards {
    grid-template-columns: 1fr;
  }

  .delivery-standard {
    padding: 24px;
  }

  .delivery-standard ul {
    grid-template-columns: 1fr;
  }

  .insight-card {
    grid-template-columns: 1fr;
  }

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

  .insight-content {
    padding: 24px;
  }

  .framework-item dd {
    font-size: 0.9375rem;
    line-height: 1.6;
  }

  .step-nav ol {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .process-timeline::before {
    left: 20px;
  }

  .process-stage {
    padding-left: 56px;
  }

  .stage-number {
    min-width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .preparation-block {
    padding: 24px;
  }

  .apply-step {
    flex-direction: column;
    gap: 16px;
  }

  .apply-cta {
    padding: 24px;
  }

  .role-card {
    padding: 24px;
  }

  .faq-cta {
    padding: 32px 24px;
  }

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

  .error-code {
    font-size: 3.5rem;
  }
}

@media (max-width: 480px) {
  .header-inner {
    padding: 0 16px;
  }

  .brand-logo {
    font-size: 1.0625rem;
  }

  .hero-grid {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 1.625rem;
  }

  .hero-desc {
    font-size: 0.9375rem;
  }

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

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    text-align: center;
  }

  .hero-directory {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .section-head {
    padding: 0 16px;
  }

  .matrix-grid {
    padding: 0 16px;
  }

  .insight-list {
    padding: 0 16px;
  }

  .process-steps {
    padding: 0 16px;
  }

  .faq-list {
    padding: 0 16px;
  }

  .cta-content {
    padding: 0 16px;
  }

  .footer-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

  .footer-bottom {
    padding-left: 16px;
    padding-right: 16px;
  }

  .inner-main {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .related-links {
    padding-left: 16px;
    padding-right: 16px;
  }

  .breadcrumb ol {
    padding-left: 16px;
    padding-right: 16px;
  }

  .service-block-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .scenario-card {
    padding: 24px;
  }

  .delivery-standard {
    padding: 20px;
  }

  .delivery-standard ul {
    grid-template-columns: 1fr;
  }

  .step-nav {
    padding: 16px;
  }

  .step-nav ol {
    grid-template-columns: 1fr;
  }

  .stage-block {
    padding: 20px;
  }

  .preparation-list li {
    font-size: 0.875rem;
  }

  .role-filter {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 0.875rem;
  }

  .role-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .collab-mode-card {
    padding: 24px;
  }

  .faq-item summary {
    padding: 16px 44px 16px 16px;
    font-size: 0.9375rem;
  }

  .faq-item .faq-answer {
    padding: 0 16px 16px;
  }

  .related-links {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

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