/* ============================================================
   cgw吃瓜网 - 整站样式表
   低饱和多彩风 · 深灰蓝/灰绿/灰橙
   ============================================================ */

/* ============================================================
   Base
   ============================================================ */

:root {
  --color-primary: #3A5A78;
  --color-secondary: #6B8F71;
  --color-accent: #C17B68;
  --color-bg: #F5F6F7;
  --color-surface: #FFFFFF;
  --color-text: #2C3E50;
  --color-muted: #6B7A8A;
  --color-border: #E1E5E8;
  --color-primary-soft: #E8EDF2;
  --color-secondary-soft: #EAF0EB;
  --color-accent-soft: #F5ECE9;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --container-width: 1200px;
  --header-height: 72px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 3px rgba(44, 62, 80, 0.08);
  --shadow-md: 0 4px 12px rgba(44, 62, 80, 0.1);
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.125rem;
}

p {
  margin-bottom: 0.5rem;
}

/* ============================================================
   Layout - 全站骨架
   ============================================================ */

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

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

.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.brand-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  flex-shrink: 0;
}

.brand-name {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: normal;
}

.brand-slogan {
  font-size: 0.75rem;
  color: var(--color-muted);
}

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

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

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 8px 14px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-soft);
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 2px;
}

.nav-link.is-current {
  color: var(--color-primary);
  font-weight: 600;
  background-color: var(--color-primary-soft);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 1px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* ============================================================
   Layout - 内页公共结构
   ============================================================ */

.inner-main {
  width: 100%;
}

.page-layout {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
}

.layout-with-aside {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
}

.main-content {
  min-width: 0;
  min-width: 520px;
}

.breadcrumb {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

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

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

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

.breadcrumb-current {
  color: var(--color-text);
  font-weight: 500;
}

.page-header {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-primary);
}

.page-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

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

.title-lead,
.title-intro,
.page-intro,
.page-lead {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-muted);
  margin-bottom: 16px;
}

/* ============================================================
   Layout - 侧栏
   ============================================================ */

.sidebar-area {
  min-width: 0;
}

.sidebar-inner {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.sidebar-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

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

.sidebar-link-item {
  margin: 0;
}

.sidebar-link {
  display: block;
  padding: 10px 12px;
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.sidebar-link:hover {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

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

.sidebar-card {
  display: block;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.sidebar-card:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-soft);
}

.sidebar-card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.sidebar-card-text {
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin: 0;
  line-height: 1.6;
}

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

.sidebar-link-card {
  display: block;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.sidebar-link-card:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-soft);
}

.sidebar-link-title,
.sidebar-link-name {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.sidebar-link-desc {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.sidebar-figure {
  margin-bottom: 16px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.sidebar-figure img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

/* ============================================================
   Layout - 面包屑导航（内页顶部通栏）
   ============================================================ */

.breadcrumb-nav {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 12px 24px;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-muted);
}

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

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

.breadcrumb-item.is-current,
.breadcrumb-current {
  color: var(--color-text);
  font-weight: 500;
}

/* ============================================================
   Layout - 页脚
   ============================================================ */

.site-footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

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

.footer-title,
.footer-brand {
  font-size: 1rem;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.footer-slogan {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 8px;
}

.footer-intro {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
  margin: 0;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.875rem;
}

.footer-links a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-note {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  margin: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.copyright {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 24px;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.55);
}

/* ============================================================
   Components - 通用区块
   ============================================================ */

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

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.section-desc {
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 720px;
  margin: 0;
}

.text-link {
  display: inline-block;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 2px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.text-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 44px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
  opacity: 0.9;
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

/* ============================================================
   Components - 服务标签色标
   ============================================================ */

.service-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: 999px;
  line-height: 1.5;
}

.tag-monitor,
.service-tag-monitor {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

.tag-compliance,
.service-tag-compliance {
  background-color: var(--color-secondary-soft);
  color: var(--color-secondary);
}

.tag-opinion,
.service-tag-opinion {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
}

.tag-risk,
.service-tag-risk {
  background-color: #EDEDE8;
  color: #7A7A6A;
}

/* ============================================================
   Components - 首页：首屏
   ============================================================ */

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

.hero-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 48px;
  align-items: center;
}

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

.hero-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.25;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-muted);
  margin-bottom: 24px;
}

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

.hero-figure {
  margin: 0;
}

.hero-figure img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.hero-entry-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.entry-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.entry-link:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-soft);
}

.entry-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
}

.entry-desc {
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin: 0;
  line-height: 1.6;
}

/* ============================================================
   Components - 首页：服务项目目录（展览式图文交替）
   ============================================================ */

.service-directory-section {
  padding: 64px 24px;
  max-width: var(--container-width);
  margin: 0 auto;
}

.service-directory-list {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.service-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.service-item:nth-child(even) .service-figure {
  order: 2;
}

.service-item:nth-child(even) .service-exhibit {
  order: 1;
}

.service-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-figure img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.service-item:hover .service-figure img {
  transform: scale(1.02);
}

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

.service-exhibit .service-tag {
  margin-bottom: 12px;
}

.service-name {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-muted);
  margin-bottom: 16px;
}

/* ============================================================
   Components - 首页：服务场景说明
   ============================================================ */

.use-cases-section {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 64px 24px;
}

.use-cases-section .section-header {
  max-width: var(--container-width);
  margin: 0 auto 32px;
}

.use-cases-grid {
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.use-case-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.use-case-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.use-case-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.use-case-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.use-case-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0;
}

/* ============================================================
   Components - 首页：合作流程时间线
   ============================================================ */

.process-timeline-section {
  padding: 64px 24px;
  max-width: var(--container-width);
  margin: 0 auto;
}

.process-timeline-section .section-header {
  margin-bottom: 40px;
}

.process-timeline {
  position: relative;
  margin-bottom: 40px;
}

.process-timeline::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background-color: var(--color-border);
}

.timeline-step {
  position: relative;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

.timeline-step:last-child {
  margin-bottom: 0;
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-size: 0.9375rem;
  font-weight: 700;
  z-index: 1;
}

.timeline-step:nth-child(2) .step-number {
  background-color: var(--color-secondary);
}

.timeline-step:nth-child(3) .step-number {
  background-color: var(--color-accent);
}

.timeline-step:nth-child(4) .step-number {
  background-color: #7A7A6A;
}

.step-content {
  min-width: 0;
  padding-top: 4px;
}

.step-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.step-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0;
}

/* ============================================================
   Components - 首页：服务政策摘要
   ============================================================ */

.policy-summary-section {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 64px 24px;
}

.policy-summary-section .section-header {
  max-width: var(--container-width);
  margin: 0 auto 32px;
}

.policy-summary-grid {
  max-width: var(--container-width);
  margin: 0 auto 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.policy-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.policy-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.policy-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0;
}

.policy-summary-section .text-link {
  display: block;
  width: fit-content;
  margin: 0 auto;
}

/* ============================================================
   Components - 首页：常见问题入口
   ============================================================ */

.faq-entry-section {
  padding: 64px 24px;
  max-width: var(--container-width);
  margin: 0 auto;
}

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

.faq-entry-item {
  margin: 0;
}

.faq-entry-link {
  display: block;
  padding: 16px 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--color-text);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.faq-entry-link:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

/* ============================================================
   Components - 首页：资料与进度入口
   ============================================================ */

.support-entry-section {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 64px 24px;
}

.support-entry-grid {
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.support-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.support-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.support-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.support-card .btn {
  margin-top: auto;
}

/* ============================================================
   Components - 内页：服务项目页
   ============================================================ */

.service-overview-figure {
  margin: 0 0 40px;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-overview-img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.service-overview-figure figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 40px 24px 20px;
  background: linear-gradient(to top, rgba(44, 62, 80, 0.85), transparent);
  color: #FFFFFF;
  font-size: 0.9375rem;
  line-height: 1.6;
}

.service-list-section {
  margin-bottom: 24px;
}

.service-list-section .section-title {
  margin-bottom: 24px;
}

.service-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
  transition: box-shadow var(--transition-normal);
}

.service-card:hover {
  box-shadow: var(--shadow-md);
}

.service-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.service-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.service-card-desc {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-muted);
  margin-bottom: 16px;
}

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

.service-meta-item {
  display: flex;
  gap: 8px;
  font-size: 0.875rem;
}

.service-meta-term {
  font-weight: 600;
  color: var(--color-text);
  flex-shrink: 0;
}

.service-meta-desc {
  color: var(--color-muted);
}

/* ============================================================
   Components - 内页：合作流程页
   ============================================================ */

.process-timeline-section .section-title {
  margin-bottom: 24px;
}

.timeline-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 40px;
  align-items: start;
}

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

.timeline-steps .timeline-step {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
  grid-template-columns: 40px 1fr;
}

.timeline-steps .step-content {
  padding-top: 0;
}

.timeline-steps .step-title {
  font-size: 1rem;
  margin-bottom: 8px;
}

.timeline-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.timeline-image {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.figure-caption {
  padding: 12px 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.preparation-section {
  margin-top: 40px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.preparation-section .section-title {
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.preparation-text {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-muted);
  margin: 0;
}

/* ============================================================
   Components - 内页：服务政策页
   ============================================================ */

.title-area .title-intro {
  margin-bottom: 16px;
}

.policy-hero-figure {
  margin: 24px 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.policy-hero-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.policy-index {
  margin-bottom: 40px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.policy-index-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.policy-index-list a {
  display: inline-block;
  padding: 8px 16px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.875rem;
  color: var(--color-text);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.policy-index-list a:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

.policy-section {
  margin-bottom: 40px;
  scroll-margin-top: calc(var(--header-height) + 16px);
}

.policy-section .section-title {
  font-size: 1.25rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-primary);
}

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

.policy-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.policy-item h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.policy-item p {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin: 0;
  line-height: 1.7;
}

/* ============================================================
   Components - 内页：资料中心页
   ============================================================ */

.layout-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
}

.content-area {
  min-width: 0;
  min-width: 520px;
}

.materials-intro {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  align-items: center;
  margin-bottom: 40px;
}

.materials-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.materials-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.materials-figure figcaption {
  padding: 8px 12px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: none;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.materials-description {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-muted);
  margin: 0;
}

.materials-list-section {
  margin-bottom: 48px;
}

.materials-list-section .section-title {
  margin-bottom: 24px;
}

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

.material-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.material-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
}

.material-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0;
}

.material-meta {
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin: 0;
}

.material-link {
  margin-top: auto;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 2px;
  width: fit-content;
}

.material-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.acquisition-section {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 40px;
}

.acquisition-section .section-title {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.section-intro {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.acquisition-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.acquisition-step {
  padding-left: 20px;
  border-left: 2px solid var(--color-primary);
}

.step-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.step-desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin: 0;
  line-height: 1.7;
}

.materials-note {
  background-color: var(--color-accent-soft);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
}

.materials-note .section-title {
  font-size: 1rem;
  margin-bottom: 8px;
}

.note-text {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text);
  margin: 0;
}

/* ============================================================
   Components - 内页：进度说明页
   ============================================================ */

.progress-intro {
  margin-bottom: 32px;
}

.section-lead {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-muted);
  margin: 0;
}

.stage-group {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
  scroll-margin-top: calc(var(--header-height) + 16px);
}

.stage-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.stage-tag {
  display: inline-block;
  padding: 4px 12px;
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
}

.stage-group:nth-of-type(2) .stage-tag {
  background-color: var(--color-secondary-soft);
  color: var(--color-secondary);
}

.stage-group:nth-of-type(3) .stage-tag {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
}

.stage-group:last-of-type .stage-tag {
  background-color: #EDEDE8;
  color: #7A7A6A;
}

.stage-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.stage-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stage-detail {
  padding: 12px 16px;
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
}

.stage-subtitle {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.stage-text {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0;
}

.progress-figure {
  margin: 32px 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.progress-image {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.communication-note {
  background-color: var(--color-primary-soft);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 32px;
}

.communication-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.communication-text {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-text);
  margin: 0;
}

/* ============================================================
   Components - 内页：常见问题页
   ============================================================ */

.faq-section {
  margin-bottom: 40px;
}

.faq-category-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-primary);
}

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

.faq-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: background-color var(--transition-fast);
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.faq-item[open] summary {
  background-color: var(--color-primary-soft);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 20px 16px;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-muted);
}

/* ============================================================
   Components - 内页：相关链接条
   ============================================================ */

.related-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 48px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.related-links-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.related-links-item {
  display: inline-block;
  padding: 8px 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.875rem;
  color: var(--color-text);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.related-links-item:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

/* ============================================================
   Components - 404 页面
   ============================================================ */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 48px 24px;
}

.error-panel {
  text-align: center;
  max-width: 480px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
}

.error-code {
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

.error-desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
  margin-bottom: 24px;
}

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

.btn-home,
.btn-service {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  min-height: 44px;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn-home {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.btn-home:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
  opacity: 0.9;
}

.btn-service {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-service:hover {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

/* ============================================================
   Responsive - 平板 (≤1024px)
   ============================================================ */

@media (max-width: 1024px) {
  .page-layout,
  .layout-with-aside,
  .layout-shell {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 24px;
  }

  .main-content,
  .content-area {
    min-width: 0;
  }

  .timeline-layout {
    grid-template-columns: 1fr;
  }

  .timeline-figure {
    position: static;
  }

  .materials-intro {
    grid-template-columns: 220px 1fr;
  }
}

/* ============================================================
   Responsive - 手机 (≤768px)
   ============================================================ */

@media (max-width: 768px) {
  .header-inner {
    height: auto;
    min-height: var(--header-height);
    padding: 12px 16px;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    order: 3;
    flex-basis: 100%;
    justify-content: flex-start;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding: 8px 0;
    gap: 4px;
  }

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

  .nav-link {
    padding: 12px 16px;
    font-size: 1rem;
  }

  .nav-link.is-current {
    background-color: var(--color-primary-soft);
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 16px 24px;
  }

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

  .hero-figure img {
    height: 240px;
  }

  .hero-entry-links {
    grid-template-columns: 1fr;
    padding: 0 16px 24px;
    gap: 12px;
  }

  .service-directory-section {
    padding: 48px 16px;
  }

  .service-item {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .service-item:nth-child(even) .service-figure {
    order: 0;
  }

  .service-item:nth-child(even) .service-exhibit {
    order: 0;
  }

  .service-figure img {
    height: 220px;
  }

  .use-cases-section {
    padding: 48px 16px;
  }

  .use-cases-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .process-timeline-section {
    padding: 48px 16px;
  }

  .policy-summary-section {
    padding: 48px 16px;
  }

  .policy-summary-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .faq-entry-section {
    padding: 48px 16px;
  }

  .faq-entry-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .support-entry-section {
    padding: 48px 16px;
  }

  .support-entry-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .page-layout,
  .layout-with-aside,
  .layout-shell {
    grid-template-columns: 1fr;
    padding: 24px 16px 40px;
    gap: 24px;
  }

  .main-content,
  .content-area {
    min-width: 0;
  }

  .sidebar-area {
    order: 2;
  }

  .page-title {
    font-size: 1.5rem;
  }

  .title-lead,
  .title-intro,
  .page-intro,
  .page-lead {
    font-size: 1rem;
  }

  .service-overview-img {
    height: 220px;
  }

  .service-overview-figure figcaption {
    position: static;
    background: var(--color-primary);
    padding: 12px 16px;
  }

  .materials-intro {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .materials-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .timeline-steps .timeline-step {
    padding: 16px;
  }

  .timeline-steps .step-content {
    padding-top: 0;
  }

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

  .footer-bottom {
    text-align: center;
  }

  .copyright {
    padding: 12px 16px;
  }

  .related-links {
    padding: 0 16px 32px;
  }

  .error-panel {
    padding: 32px 24px;
  }
}

/* ============================================================
   Responsive - 小屏手机 (≤390px)
   ============================================================ */

@media (max-width: 390px) {
  .header-inner {
    gap: 12px;
  }

  .brand-name {
    font-size: 1.25rem;
  }

  .brand-slogan {
    font-size: 0.6875rem;
  }

  .hero-title {
    font-size: 1.5rem;
  }

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

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

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

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .timeline-layout,
  .page-layout,
  .layout-with-aside,
  .layout-shell {
    padding-left: 12px;
    padding-right: 12px;
  }

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

  .section-title {
    font-size: 1.25rem;
  }

  .service-item {
    gap: 12px;
  }

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

  .policy-card,
  .use-case-card,
  .support-card {
    padding: 20px;
  }

  .material-card {
    padding: 20px;
  }

  .stage-group,
  .policy-item,
  .acquisition-section,
  .communication-note {
    padding: 20px;
  }

  .faq-item summary {
    padding: 14px 16px;
    font-size: 0.875rem;
  }

  .faq-answer {
    padding: 0 16px 14px;
    font-size: 0.8125rem;
  }
}