/* ==========================================================================
   Base — 基础样式
   ========================================================================== */

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

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #1f2937;
  background-color: #f7f8fa;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: #1a5ba8;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #13457f;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: 600;
  line-height: 1.3;
  color: #1f2937;
}

p {
  margin: 0;
}

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

figure {
  margin: 0;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

/* ==========================================================================
   Layout — 全站骨架
   ========================================================================== */

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
}

.logo-brand {
  font-size: 22px;
  font-weight: 700;
  color: #1a5ba8;
  letter-spacing: 0;
}

.logo-slogan {
  font-size: 13px;
  color: #6b7280;
  display: none;
}

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

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

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 10px 16px;
  font-size: 15px;
  color: #374151;
  border-radius: 6px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
  color: #1a5ba8;
  background-color: #f0f4fa;
}

.nav-link.is-current {
  color: #1a5ba8;
  font-weight: 600;
  background-color: #eaf1f9;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: 6px;
  background: transparent;
}

.toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #1f2937;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

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

.site-footer {
  background-color: #f4f5f7;
  border-top: 1px solid #e5e7eb;
  margin-top: auto;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 48px;
}

.footer-col h2 {
  font-size: 20px;
  color: #1a5ba8;
  margin-bottom: 12px;
}

.footer-col h3 {
  font-size: 16px;
  margin-bottom: 12px;
}

.footer-slogan {
  font-size: 15px;
  color: #1a5ba8;
  font-weight: 600;
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.6;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 14px;
  color: #4b5563;
}

.footer-links a:hover {
  color: #1a5ba8;
}

.footer-note p {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.6;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  border-top: 1px solid #e5e7eb;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: #9ca3af;
}

/* ==========================================================================
   通用组件 — 按钮、面包屑、页面标题、侧栏
   ========================================================================== */

.btn-primary {
  display: inline-block;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  background-color: #1a5ba8;
  border-radius: 6px;
  transition: background-color 0.2s ease;
  text-align: center;
}

.btn-primary:hover {
  background-color: #13457f;
  color: #ffffff;
}

.btn-secondary {
  display: inline-block;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  color: #1a5ba8;
  background-color: #ffffff;
  border: 1px solid #1a5ba8;
  border-radius: 6px;
  transition: background-color 0.2s ease, color 0.2s ease;
  text-align: center;
}

.btn-secondary:hover {
  background-color: #eaf1f9;
  color: #13457f;
}

.btn-outline {
  display: inline-block;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 500;
  color: #1a5ba8;
  background-color: transparent;
  border: 1px solid #1a5ba8;
  border-radius: 6px;
  transition: background-color 0.2s ease, color 0.2s ease;
  text-align: center;
}

.btn-outline:hover {
  background-color: #eaf1f9;
  color: #13457f;
}

.btn-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: #1a5ba8;
  padding: 8px 0;
}

.btn-link:hover {
  color: #13457f;
}

/* 面包屑 */
.breadcrumb-wrap {
  background-color: #ffffff;
  border-bottom: 1px solid #e5e7eb;
}

.breadcrumb-wrap .breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
}

.breadcrumb {
  font-size: 14px;
  color: #6b7280;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
  font-size: 14px;
  color: #6b7280;
  display: flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb a {
  color: #6b7280;
}

.breadcrumb a:hover {
  color: #1a5ba8;
}

.breadcrumb-sep {
  color: #9ca3af;
}

.breadcrumb-current {
  color: #1f2937;
  font-weight: 500;
}

/* 页面标题区 */
.page-header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 8px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: #1f2937;
}

.page-title-area {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.page-title-desc {
  font-size: 16px;
  color: #4b5563;
  margin-top: 12px;
  max-width: 780px;
}

.page-title-block {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.page-title-block p {
  font-size: 16px;
  color: #4b5563;
  margin-top: 12px;
  max-width: 780px;
}

.page-intro {
  font-size: 16px;
  color: #4b5563;
  margin-top: 12px;
  max-width: 780px;
}

.page-heading p {
  font-size: 16px;
  color: #4b5563;
  max-width: 780px;
}

/* 内页主容器 */
.inner-main {
  width: 100%;
  padding-bottom: 64px;
}

.layout-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 侧栏 */
.sidebar {
  min-width: 0;
}

.sidebar-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
}

.sidebar-desc {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 16px;
  line-height: 1.6;
}

.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.sidebar-links li {
  border-bottom: 1px solid #f0f1f3;
}

.sidebar-links li:last-child {
  border-bottom: none;
}

.sidebar-links a {
  display: block;
  padding: 12px 0;
  font-size: 14px;
  color: #374151;
}

.sidebar-links a:hover {
  color: #1a5ba8;
}

/* 内容页双栏布局：主内容在前，侧栏在后 */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
  margin-top: 24px;
}

.page-layout .main-content {
  min-width: 0;
}

.with-aside {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
  margin-top: 24px;
}

.with-aside .main-content {
  min-width: 0;
}

/* 侧栏卡片 */
.sidebar-card {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 24px;
}

.sidebar-card .sidebar-title {
  font-size: 17px;
}

.sidebar-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 16px;
}

/* 页面特定 body 类 — 只用于内部业务模块，不覆盖全局骨架 */
.page-service .page-layout {
  margin-top: 24px;
}

.page-scenario .layout-shell {
  margin-top: 24px;
}

.page-faq .layout-shell.with-aside {
  margin-top: 24px;
}

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

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

/* ==========================================================================
   首页组件
   ========================================================================== */

.home-main {
  overflow: visible;
}

/* Hero 时间线区 */
.hero-timeline {
  background-color: #ffffff;
  border-bottom: 1px solid #e5e7eb;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

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

.hero-text h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 18px;
  font-weight: 500;
  color: #1a5ba8;
  margin-bottom: 12px;
}

.hero-desc {
  font-size: 16px;
  color: #4b5563;
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 480px;
}

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

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

.hero-figure img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
}

.hero-figure figcaption {
  font-size: 13px;
  color: #6b7280;
  margin-top: 12px;
  text-align: center;
  line-height: 1.5;
}

/* 服务摘要 */
.service-summary {
  padding: 64px 0;
}

.section-head {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  margin-bottom: 32px;
}

.section-head h2 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
}

.section-head p {
  font-size: 15px;
  color: #6b7280;
  max-width: 640px;
}

.service-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 #e5e7eb;
  border-radius: 8px;
  padding: 28px 24px;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.service-card:hover {
  border-color: #c3d4ea;
  box-shadow: 0 4px 16px rgba(26, 91, 168, 0.08);
}

.card-icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.service-card p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-link {
  font-size: 14px;
  font-weight: 500;
  color: #1a5ba8;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-link:hover {
  color: #13457f;
}

.section-footer-link {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 24px 0;
  text-align: center;
}

.section-footer-link a {
  font-size: 15px;
  font-weight: 500;
  color: #1a5ba8;
}

.section-footer-link a:hover {
  color: #13457f;
}

/* 场景入口 */
.scenario-entry {
  background-color: #ffffff;
  border-top: 1px solid #e5e7eb;
  border-bottom: 1px solid #e5e7eb;
  padding: 64px 0;
}

.scenario-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
}

.scenario-list {
  min-width: 0;
}

.scenario-list > h2 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
}

.scenario-list > p {
  font-size: 15px;
  color: #6b7280;
  margin-bottom: 24px;
}

.scenario-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.scenario-item {
  background-color: #f7f8fa;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 20px 24px;
  transition: border-color 0.2s ease;
}

.scenario-item:hover {
  border-color: #c3d4ea;
}

.scenario-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #b45309;
  background-color: #fef3c7;
  border-radius: 4px;
  padding: 4px 10px;
  margin-bottom: 10px;
}

.scenario-item h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.scenario-item p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.6;
  margin-bottom: 12px;
}

.scenario-link {
  font-size: 14px;
  font-weight: 500;
  color: #1a5ba8;
}

.scenario-link:hover {
  color: #13457f;
}

.scenario-guide {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 24px;
}

.guide-figure {
  margin-bottom: 16px;
}

.guide-figure img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 6px;
}

.guide-figure figcaption {
  font-size: 13px;
  color: #6b7280;
  margin-top: 8px;
  line-height: 1.5;
}

.scenario-guide h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.scenario-guide p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.6;
  margin-bottom: 16px;
}

/* 流程预览 */
.process-preview {
  padding: 64px 0;
}

.process-scroll {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: #c3d4ea transparent;
}

.process-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  min-width: 0;
}

.process-step {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 24px 20px;
  position: relative;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #1a5ba8;
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  margin-bottom: 14px;
}

.process-step h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.process-step p {
  font-size: 13px;
  color: #6b7280;
  line-height: 1.6;
}

/* FAQ 摘要 */
.faq-teaser {
  background-color: #ffffff;
  border-top: 1px solid #e5e7eb;
  padding: 64px 0;
}

.faq-list {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background-color: #f7f8fa;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  overflow: hidden;
}

.faq-item summary {
  padding: 18px 24px;
  font-size: 15px;
  font-weight: 500;
  color: #1f2937;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 48px;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: #1a5ba8;
  font-weight: 400;
}

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

.faq-item summary:hover {
  background-color: #f0f4fa;
}

.faq-item p {
  padding: 0 24px 18px;
  font-size: 14px;
  color: #4b5563;
  line-height: 1.7;
}

/* ==========================================================================
   服务页组件
   ========================================================================== */

.intro {
  margin-top: 24px;
}

.section-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 16px;
}

.intro p {
  font-size: 15px;
  color: #4b5563;
  line-height: 1.7;
  margin-bottom: 12px;
  max-width: 720px;
}

.service-overview {
  margin-top: 40px;
}

.service-figure {
  margin-bottom: 16px;
}

.service-figure img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
}

.service-figure figcaption {
  font-size: 13px;
  color: #6b7280;
  margin-top: 8px;
  line-height: 1.5;
}

.service-details {
  margin-top: 40px;
}

.service-details .service-card {
  margin-bottom: 16px;
  padding: 24px;
}

.service-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.service-card-head h3 {
  font-size: 18px;
  font-weight: 600;
}

.service-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #b45309;
  background-color: #fef3c7;
  border-radius: 4px;
  padding: 4px 10px;
  flex-shrink: 0;
}

.service-desc {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.6;
  margin-bottom: 16px;
}

.service-meta {
  background-color: #f7f8fa;
  border-radius: 6px;
  padding: 16px 20px;
}

.meta-block {
  margin-bottom: 12px;
}

.meta-block:last-child {
  margin-bottom: 0;
}

.meta-block h4 {
  font-size: 14px;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 6px;
}

.meta-block ul {
  padding-left: 0;
}

.meta-block li {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.6;
  padding-left: 16px;
  position: relative;
  margin-bottom: 4px;
}

.meta-block li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: #1a5ba8;
}

.deliverable-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.deliverable-list li {
  font-size: 13px;
  color: #374151;
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  padding: 4px 12px;
}

/* ==========================================================================
   场景页组件
   ========================================================================== */

.problem-checklist {
  margin-top: 32px;
}

.problem-checklist h2,
.comparison-table h2 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
}

.problem-checklist > p {
  font-size: 15px;
  color: #6b7280;
  margin-bottom: 20px;
}

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

.checklist-item li {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 20px 24px;
}

.checklist-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  padding-left: 20px;
  position: relative;
}

.checklist-item h3::before {
  content: "□";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 16px;
  color: #1a5ba8;
}

.checklist-item p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.6;
}

.comparison-table {
  margin-top: 40px;
}

.table-note {
  font-size: 13px;
  color: #6b7280;
  margin-top: 12px;
}

.compare-grid {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  overflow: hidden;
}

.compare-grid th,
.compare-grid td {
  padding: 12px 16px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid #e5e7eb;
  vertical-align: top;
  line-height: 1.6;
}

.compare-grid thead th {
  background-color: #eaf1f9;
  font-weight: 600;
  color: #1f2937;
  white-space: nowrap;
}

.compare-grid thead th:first-child {
  background-color: #f0f4fa;
}

.compare-grid tbody th {
  background-color: #f7f8fa;
  font-weight: 500;
  color: #374151;
  white-space: nowrap;
}

.compare-grid tbody tr:last-child th,
.compare-grid tbody tr:last-child td {
  border-bottom: none;
}

.scenario-figure {
  margin-top: 32px;
}

.scenario-figure img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
}

.scenario-figure figcaption {
  font-size: 13px;
  color: #6b7280;
  margin-top: 8px;
  line-height: 1.5;
}

.check-steps {
  margin-top: 48px;
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 32px 24px;
}

.check-steps h2 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 20px;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.steps-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.steps-list .step-num {
  flex-shrink: 0;
  margin-bottom: 0;
}

.steps-list p {
  font-size: 15px;
  color: #4b5563;
  line-height: 1.6;
  padding-top: 4px;
}

.aside-links {
  margin-top: 32px;
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 24px;
}

.aside-links h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.aside-links ul {
  display: flex;
  flex-direction: column;
}

.aside-links li {
  border-bottom: 1px solid #f0f1f3;
}

.aside-links li:last-child {
  border-bottom: none;
}

.aside-links a {
  display: block;
  padding: 12px 0;
  font-size: 14px;
  color: #374151;
}

.aside-links a:hover {
  color: #1a5ba8;
}

/* ==========================================================================
   流程页组件
   ========================================================================== */

.flowchart-section,
.input-output-section,
.deliverables-section,
.cautions-section {
  margin-top: 40px;
}

.section-heading {
  margin-bottom: 20px;
}

.section-heading h2 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
}

.section-heading p {
  font-size: 15px;
  color: #6b7280;
  max-width: 640px;
}

.flow-figure {
  margin-bottom: 24px;
}

.flow-figure img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
}

.flow-figure figcaption {
  font-size: 13px;
  color: #6b7280;
  margin-top: 8px;
  line-height: 1.5;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.flow-step {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 20px;
  position: relative;
}

.flow-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: #f59e0b;
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  margin-bottom: 12px;
}

.flow-step h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.flow-step p {
  font-size: 13px;
  color: #6b7280;
  line-height: 1.6;
}

.table-wrapper {
  overflow-x: auto;
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
}

.io-table th,
.io-table td {
  padding: 14px 16px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid #e5e7eb;
  vertical-align: top;
  line-height: 1.6;
}

.io-table thead th {
  background-color: #eaf1f9;
  font-weight: 600;
  color: #1f2937;
}

.io-table tbody th {
  background-color: #f7f8fa;
  font-weight: 500;
  color: #374151;
  white-space: nowrap;
}

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

.deliverables-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.deliverable-card {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 24px;
}

.deliverable-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.deliverable-card p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.6;
}

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

.caution-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 20px 24px;
}

.caution-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #b45309;
  background-color: #fef3c7;
  border-radius: 4px;
  padding: 4px 10px;
  flex-shrink: 0;
  margin-top: 2px;
}

.caution-item p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.6;
}

.related-links {
  margin-top: 40px;
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: #1f2937;
}

.related-links-item {
  font-size: 14px;
  color: #1a5ba8;
  padding: 6px 12px;
  background-color: #f0f4fa;
  border-radius: 4px;
}

.related-links-item:hover {
  background-color: #eaf1f9;
  color: #13457f;
}

/* ==========================================================================
   FAQ 页组件
   ========================================================================== */

.faq-group {
  margin-top: 32px;
}

.faq-group:first-of-type {
  margin-top: 24px;
}

.faq-group-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid #eaf1f9;
}

.faq-group .faq-list {
  padding: 0;
  gap: 12px;
}

.faq-question {
  padding: 18px 24px;
  font-size: 15px;
  font-weight: 500;
  color: #1f2937;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 48px;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: #1a5ba8;
  font-weight: 400;
}

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

.faq-question:hover {
  background-color: #f0f4fa;
}

.faq-answer {
  padding: 0 24px 18px;
  font-size: 14px;
  color: #4b5563;
  line-height: 1.7;
}

/* ==========================================================================
   关于页组件
   ========================================================================== */

.mission {
  margin-top: 32px;
}

.mission-body {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 32px 24px;
}

.mission-body p {
  font-size: 15px;
  color: #4b5563;
  line-height: 1.7;
  margin-bottom: 12px;
}

.mission-body p:last-child {
  margin-bottom: 0;
}

.principles {
  margin-top: 40px;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.principle-card {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 24px;
}

.principle-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  padding-left: 16px;
  position: relative;
}

.principle-card h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #f59e0b;
}

.principle-card p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.6;
}

.image-with-text {
  margin-top: 40px;
}

.workstyle-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 24px;
}

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

.workstyle-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 6px;
}

.workstyle-figure figcaption {
  font-size: 13px;
  color: #6b7280;
  margin-top: 8px;
  line-height: 1.5;
}

.workstyle-text {
  min-width: 0;
}

.workstyle-text p {
  font-size: 15px;
  color: #4b5563;
  line-height: 1.7;
  margin-bottom: 12px;
}

.workstyle-text p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   404 页组件
   ========================================================================== */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  min-height: calc(100vh - 68px - 300px);
}

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

.error-code {
  font-size: 64px;
  font-weight: 700;
  color: #1a5ba8;
  line-height: 1;
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}

.error-panel h1 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: #4b5563;
  line-height: 1.6;
  margin-bottom: 24px;
}

/* ==========================================================================
   Responsive — 响应式
   ========================================================================== */

@media (min-width: 769px) {
  .logo-slogan {
    display: inline;
  }
}

@media (max-width: 1024px) {
  .process-track {
    grid-template-columns: repeat(5, 240px);
    overflow-x: auto;
  }

  .process-scroll {
    overflow-x: auto;
  }

  .flow-steps {
    grid-template-columns: repeat(5, 200px);
    overflow-x: auto;
  }
}

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

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

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
    gap: 2px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.06);
  }

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

  .nav-link {
    padding: 14px 16px;
    font-size: 16px;
  }

  .nav-item {
    width: 100%;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 16px;
  }

  .hero-text h1 {
    font-size: 26px;
  }

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

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    width: 100%;
  }

  .service-summary,
  .scenario-entry,
  .process-preview,
  .faq-teaser {
    padding: 40px 0;
  }

  .service-grid {
    grid-template-columns: 1fr;
    padding: 0 16px;
  }

  .scenario-layout {
    grid-template-columns: 1fr;
    padding: 0 16px;
    gap: 32px;
  }

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

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

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

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

  .page-header {
    padding: 24px 16px 8px;
  }

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

  .page-title-area {
    padding: 0 16px;
  }

  .page-title-block {
    padding: 0 16px;
  }

  .layout-shell {
    padding: 0 16px;
  }

  .breadcrumb-wrap .breadcrumb {
    padding: 10px 16px;
  }

  .breadcrumb-inner {
    padding: 10px 16px;
  }

  .page-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .with-aside {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .sidebar {
    order: 2;
  }

  .with-aside .sidebar {
    order: 2;
  }

  .page-layout .main-content {
    order: 1;
  }

  .with-aside .main-content {
    order: 1;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 16px 24px;
  }

  .footer-bottom {
    padding: 16px;
  }

  .compare-grid {
    overflow-x: auto;
    display: block;
  }

  .compare-grid table {
    min-width: 640px;
  }

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

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

  .workstyle-container {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 16px;
  }

  .workstyle-figure img {
    height: 200px;
  }

  .flow-steps {
    grid-template-columns: repeat(5, 200px);
    overflow-x: auto;
    padding-bottom: 8px;
  }

  .flowchart-section {
    overflow: hidden;
  }

  .table-wrapper {
    overflow-x: auto;
  }

  .io-table {
    min-width: 640px;
  }

  .steps-list li {
    gap: 12px;
  }

  .caution-item {
    flex-direction: column;
    gap: 8px;
  }

  .error-main {
    padding: 48px 16px;
    min-height: auto;
  }

  .error-code {
    font-size: 48px;
  }
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 24px;
  }

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

  .hero-desc {
    font-size: 15px;
  }

  .service-card {
    padding: 20px 16px;
  }

  .scenario-item {
    padding: 16px;
  }

  .scenario-guide {
    padding: 16px;
  }

  .process-step {
    padding: 16px;
  }

  .faq-item summary {
    padding: 16px 44px 16px 16px;
    font-size: 14px;
  }

  .faq-item p {
    padding: 0 16px 16px;
    font-size: 13px;
  }

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

  .section-title {
    font-size: 20px;
  }

  .compare-grid th,
  .compare-grid td {
    padding: 10px 12px;
    font-size: 13px;
  }

  .deliverable-card {
    padding: 16px;
  }

  .principle-card {
    padding: 16px;
  }

  .mission-body {
    padding: 20px 16px;
  }

  .related-links {
    padding: 16px;
    gap: 8px;
  }

  .sidebar-card {
    padding: 16px;
  }

  .check-steps {
    padding: 20px 16px;
  }

  .steps-list li {
    flex-direction: column;
    gap: 8px;
  }

  .steps-list .step-num {
    margin-bottom: 4px;
  }
}