/* ============================================================
   BASE
   ============================================================ */
:root {
  --color-primary: #2F5D50;
  --color-primary-dark: #244A40;
  --color-primary-light: #3A6E60;
  --color-bg: #F5F2EC;
  --color-accent: #E8A13C;
  --color-accent-dark: #D08C2A;
  --color-text: #1F2A24;
  --color-text-light: #5A6B63;
  --color-text-lighter: #7A8A82;
  --color-emphasis: #B4552D;
  --color-white: #FFFFFF;
  --color-border: #E0DCD4;
  --color-border-light: #EAE6DE;
  --color-bg-alt: #ECE8E0;
  --font-sans: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Consolas", "Courier New", monospace;
  --container-width: 1200px;
  --header-height: 64px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 3px rgba(31, 42, 36, 0.08);
  --shadow-md: 0 4px 12px rgba(31, 42, 36, 0.08);
  --shadow-lg: 0 8px 24px rgba(31, 42, 36, 0.1);
  --transition: 0.2s ease;
  --content-max: 720px;
  --sidebar-width: 280px;
  --gap-main: 40px;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul,
ol {
  list-style: none;
}

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

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

button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

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

h1 {
  font-size: 30px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 18px;
}

h4 {
  font-size: 16px;
}

p {
  margin-bottom: 0;
}

/* ============================================================
   LAYOUT 骨架
   ============================================================ */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  background-color: var(--color-white);
  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: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

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

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

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition), color var(--transition);
  min-height: 40px;
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: rgba(47, 93, 80, 0.06);
}

.nav-link.is-current {
  color: var(--color-primary);
  font-weight: 600;
  background-color: rgba(47, 93, 80, 0.08);
}

.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.dropdown-toggle::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  margin-left: 2px;
  transition: transform var(--transition);
}

.dropdown-toggle[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 200px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 6px;
  display: none;
  z-index: 50;
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu,
.dropdown-toggle[aria-expanded="true"] + .dropdown-menu {
  display: block;
}

.dropdown-menu li + li {
  margin-top: 2px;
}

.dropdown-link {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition), color var(--transition);
}

.dropdown-link:hover {
  background-color: rgba(47, 93, 80, 0.06);
  color: var(--color-primary);
}

.header-cta {
  flex-shrink: 0;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: var(--radius-sm);
}

.mobile-menu-toggle:hover {
  background-color: rgba(47, 93, 80, 0.06);
}

.menu-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

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

.site-footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.9);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
}

.footer-logo {
  display: inline-block;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  max-width: 320px;
}

.footer-nav-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer-nav-list li + li {
  margin-top: 8px;
}

.footer-link {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

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

.footer-legal {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.7;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 16px 24px;
  text-align: center;
}

.copyright {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  max-width: var(--container-width);
  margin: 0 auto;
}

/* ============================================================
   COMPONENTS 通用组件
   ============================================================ */
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-white);
  background-color: var(--color-primary);
  border-radius: var(--radius-md);
  transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
  min-height: 44px;
  white-space: nowrap;
}

.cta-button:hover {
  background-color: var(--color-primary-light);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

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

.cta-secondary:hover {
  background-color: rgba(47, 93, 80, 0.06);
  color: var(--color-primary);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  transition: color var(--transition), gap var(--transition);
}

.text-link::after {
  content: "→";
  transition: transform var(--transition);
}

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

.text-link:hover::after {
  transform: translateX(4px);
}

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

.section-header {
  margin-bottom: 36px;
}

.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.section-desc {
  font-size: 15px;
  color: var(--color-text-light);
  max-width: var(--content-max);
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 14px;
  color: var(--color-text-lighter);
  padding: 16px 0;
  max-width: var(--container-width);
  margin: 0 auto;
  width: 100%;
}

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

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

.breadcrumb-sep {
  color: var(--color-text-lighter);
  margin: 0 2px;
}

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

.breadcrumb-nav {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 24px 0;
  width: 100%;
}

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

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

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--color-text-lighter);
}

.breadcrumb-link {
  color: var(--color-text-lighter);
}

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

.page-header {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--color-text);
  margin: 24px 0 0;
}

.page-title-area {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 24px 0;
  width: 100%;
}

.page-intro {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-light);
  max-width: var(--content-max);
}

.page-title-block {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 24px 0;
  width: 100%;
}

.page-title-block p {
  font-size: 16px;
  color: var(--color-text-light);
  max-width: var(--content-max);
}

/* 表格通用 */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
}

.table-wrapper table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 640px;
}

.table-wrapper th,
.table-wrapper td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: top;
}

.table-wrapper th {
  background-color: var(--color-bg-alt);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.table-wrapper tr:last-child td {
  border-bottom: none;
}

.table-wrapper tr:hover td {
  background-color: rgba(47, 93, 80, 0.02);
}

/* FAQ 手风琴 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item:hover {
  border-color: var(--color-primary-light);
}

.faq-item[open] {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  min-height: 48px;
}

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

.faq-question::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform var(--transition);
}

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

.faq-answer {
  padding: 0 20px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-light);
}

.faq-answer p + p {
  margin-top: 8px;
}

/* 侧边栏 */
.sidebar-widget,
.sidebar-block {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
}

.sidebar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border-light);
}

.sidebar-nav li + li,
.sidebar-nav-list li + li,
.sidebar-list li + li {
  margin-top: 4px;
}

.sidebar-nav-item a,
.sidebar-nav-link,
.sidebar-link {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition), color var(--transition);
}

.sidebar-nav-item a:hover,
.sidebar-nav-link:hover,
.sidebar-link:hover {
  background-color: rgba(47, 93, 80, 0.06);
  color: var(--color-primary);
}

.sidebar-cta {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  text-align: center;
}

.sidebar-cta .sidebar-title {
  color: var(--color-white);
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.sidebar-cta-text {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 16px;
  line-height: 1.7;
}

.sidebar-cta-btn {
  background-color: var(--color-accent);
  color: var(--color-text);
  width: 100%;
}

.sidebar-cta-btn:hover {
  background-color: var(--color-accent-dark);
  color: var(--color-text);
}

/* 相关链接 */
.related-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-right: 4px;
}

.related-links-item {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 14px;
  color: var(--color-primary);
  background-color: rgba(47, 93, 80, 0.06);
  border-radius: 999px;
  transition: background-color var(--transition), color var(--transition);
  min-height: 36px;
}

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

/* 图片容器 */
figure {
  margin: 0;
}

figure img {
  width: 100%;
  object-fit: cover;
}

figcaption {
  font-size: 13px;
  color: var(--color-text-lighter);
  text-align: center;
  padding: 8px 0 0;
}

/* ============================================================
   PAGES 首页
   ============================================================ */
.hero-section {
  background-color: var(--color-bg);
  padding: 48px 0 56px;
}

.hero-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

.hero-slogan {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary);
}

.hero-description {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-light);
  max-width: var(--content-max);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-primary);
  background-color: rgba(47, 93, 80, 0.08);
  border-radius: 999px;
  min-height: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-image {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.capabilities-section {
  padding: 56px 0;
  background-color: var(--color-white);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.capability-item {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.capability-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.capability-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

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

.services-index-section {
  padding: 56px 0;
  background-color: var(--color-bg);
}

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

.service-route-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
}

.service-route-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.route-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-white);
  background-color: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.route-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.route-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.route-text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-light);
  flex: 1;
}

.route-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-primary);
}

.route-link:hover {
  color: var(--color-emphasis);
}

.scenarios-preview-section {
  padding: 56px 0;
  background-color: var(--color-white);
}

.scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.scenario-tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  background-color: rgba(47, 93, 80, 0.08);
  border: 1px solid rgba(47, 93, 80, 0.15);
  border-radius: 999px;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
  min-height: 40px;
}

.scenario-tag:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.scenario-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 20px;
}

.scenario-image {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.process-preview-section {
  padding: 56px 0;
  background-color: var(--color-bg);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.process-step {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-white);
  background-color: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.step-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

.step-text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-light);
}

.info-digest-section {
  padding: 56px 0;
  background-color: var(--color-white);
}

.digest-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.digest-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.digest-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.digest-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  flex: 1;
}

/* ============================================================
   PAGES 内页布局
   ============================================================ */
.page-layout {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
  gap: var(--gap-main);
  align-items: start;
}

.page-layout.sidebar-left {
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
}

.inner-main {
  min-width: 0;
  padding-bottom: 48px;
}

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

/* services 页 */
.service-overview {
  padding: 32px 0 8px;
}

.service-table .table-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
}

.service-table .table-link:hover {
  color: var(--color-emphasis);
}

.service-details {
  padding: 32px 0 8px;
}

.service-block {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  margin-bottom: 20px;
}

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

.service-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border-light);
}

.service-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.service-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 0;
}

.service-list li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  padding-left: 16px;
  position: relative;
}

.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.service-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-light);
}

.service-approach {
  padding: 32px 0 8px;
}

.approach-content {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-figure {
  margin: 32px 0 0;
}

.service-figure img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.figure-caption {
  font-size: 13px;
  color: var(--color-text-lighter);
  text-align: center;
  padding: 8px 0 0;
}

/* scenarios 页 */
.scenario-block {
  padding: 32px 0 8px;
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.scenario-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.scenario-route {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-white);
  background-color: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.scenario-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
}

.scenario-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.scenario-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.scenario-figure img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

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

.scenario-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-light);
}

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

.scenario-service-item {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  font-size: 13px;
  color: var(--color-primary);
  background-color: rgba(47, 93, 80, 0.08);
  border-radius: 999px;
}

.scenario-tip {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-lighter);
  background-color: rgba(232, 161, 60, 0.1);
  border-left: 3px solid var(--color-accent);
  padding: 8px 12px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.scenario-entry {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  margin-top: 4px;
}

.scenario-entry::after {
  content: "→";
  transition: transform var(--transition);
}

.scenario-entry:hover::after {
  transform: translateX(4px);
}

.mapping-section {
  padding: 32px 0 8px;
}

.mapping-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
}

.mapping-note {
  font-size: 13px;
  color: var(--color-text-lighter);
  margin-top: 12px;
  padding: 12px;
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
}

.next-step-section {
  padding: 32px 0 8px;
}

.next-step-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

.next-step-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.next-step-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.next-step-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  background-color: rgba(47, 93, 80, 0.08);
  border-radius: 999px;
  transition: background-color var(--transition), color var(--transition);
  min-height: 40px;
}

.next-step-link:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* guide 页 */
.page-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.process-roadmap {
  padding: 32px 0 8px;
}

.roadmap-steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.roadmap-step {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  gap: 20px;
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.step-number {
  width: 40px;
  height: 40px;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
  background-color: var(--color-primary);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
  min-width: 0;
}

.step-content h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.step-points {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.step-points li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  padding-left: 16px;
  position: relative;
}

.step-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.roadmap-figure {
  margin-top: 24px;
}

.roadmap-figure img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.delivery-standards {
  padding: 32px 0 8px;
}

.collaboration-feedback {
  padding: 32px 0 8px;
}

.feedback-content {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.feedback-content > p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.feedback-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.feedback-list li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  padding-left: 16px;
  position: relative;
}

.feedback-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.feedback-note {
  font-size: 13px;
  color: var(--color-text-lighter);
  background-color: var(--color-bg);
  padding: 12px;
  border-radius: var(--radius-sm);
}

.related-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.related-links-item {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 14px;
  color: var(--color-primary);
  background-color: rgba(47, 93, 80, 0.06);
  border-radius: 999px;
  transition: background-color var(--transition), color var(--transition);
  min-height: 36px;
}

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

/* updates 页 */
.updates-principles {
  padding: 32px 0 8px;
}

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

.principle-list li {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.principle-list h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.principle-list p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
}

.updates-categories {
  padding: 32px 0 8px;
}

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

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

.category-item h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.category-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
}

.category-item p + p {
  margin-top: 8px;
}

.updates-history {
  padding: 32px 0 8px;
}

.updates-history > p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

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

.history-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.history-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  background-color: rgba(47, 93, 80, 0.08);
  border-radius: 999px;
  flex-shrink: 0;
  white-space: nowrap;
}

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

.update-visual {
  margin-top: 24px;
}

.update-visual img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* faq 页 */
.faq-section {
  padding: 32px 0 8px;
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.faq-section .section-title {
  margin-bottom: 16px;
}

.content-media {
  margin: 20px 0;
}

.content-media img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.content-media-inline figcaption {
  font-size: 13px;
  color: var(--color-text-lighter);
  text-align: center;
  padding: 8px 0 0;
}

/* 404 页 */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--header-height) - 200px);
  padding: 48px 24px;
}

.error-section {
  text-align: center;
  max-width: 520px;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 72px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.error-cta {
  margin-top: 24px;
}

.error-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-text-lighter);
}

.error-link:hover {
  color: var(--color-primary);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-route {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

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

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

  .page-layout.sidebar-left {
    grid-template-columns: 240px minmax(0, 1fr);
  }
}

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

  .site-nav {
    order: 3;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px;
    gap: 2px;
    box-shadow: var(--shadow-md);
    z-index: 99;
  }

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

  .nav-item {
    width: 100%;
  }

  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 12px 16px;
    min-height: 48px;
  }

  .dropdown-menu {
    position: static;
    display: none;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--color-border);
    margin-left: 16px;
    padding: 4px 0 4px 8px;
    min-width: 0;
  }

  .has-dropdown:hover .dropdown-menu,
  .has-dropdown:focus-within .dropdown-menu,
  .dropdown-toggle[aria-expanded="true"] + .dropdown-menu {
    display: block;
  }

  .dropdown-link {
    padding: 10px 12px;
    min-height: 44px;
  }

  .header-cta {
    display: none;
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

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

  .hero-image {
    height: 260px;
  }

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

  .service-route {
    grid-template-columns: 1fr 1fr;
  }

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

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

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

  .page-layout.sidebar-left {
    grid-template-columns: 1fr;
  }

  .page-layout .sidebar-area,
  .page-layout .sidebar,
  .page-layout .page-sidebar {
    order: 2;
  }

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

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

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

  .roadmap-step {
    flex-direction: column;
    gap: 12px;
  }

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

  .breadcrumb-nav {
    padding: 12px 16px 0;
  }

  .page-header {
    padding: 0 16px;
  }

  .page-title-area {
    padding: 12px 16px 0;
  }

  .page-title-block {
    padding: 12px 16px 0;
  }

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

  h1 {
    font-size: 24px;
  }
}

@media (max-width: 480px) {
  .header-inner {
    padding: 0 12px;
    gap: 12px;
  }

  .brand-name {
    font-size: 17px;
  }

  .hero-section {
    padding: 32px 0 40px;
  }

  .hero-container {
    padding: 0 16px;
    gap: 24px;
  }

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

  .hero-slogan {
    font-size: 17px;
  }

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

  .hero-actions .cta-button {
    width: 100%;
  }

  .capabilities-section,
  .services-index-section,
  .scenarios-preview-section,
  .process-preview-section,
  .info-digest-section {
    padding: 40px 0;
  }

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

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

  .service-route {
    grid-template-columns: 1fr;
  }

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

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

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

  .scenario-tags {
    gap: 8px;
  }

  .scenario-tag {
    font-size: 13px;
    padding: 6px 14px;
  }

  .table-wrapper {
    border-radius: var(--radius-sm);
  }

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

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

  .roadmap-step {
    padding: 20px 16px;
  }

  .feedback-content {
    padding: 20px 16px;
  }

  .faq-question {
    padding: 14px 16px;
    font-size: 14px;
  }

  .faq-answer {
    padding: 0 16px 14px;
    font-size: 13px;
  }

  .sidebar-widget,
  .sidebar-block {
    padding: 16px;
  }

  .related-links {
    gap: 6px;
  }

  .related-links-item {
    font-size: 13px;
    padding: 6px 10px;
  }

  .footer-bottom {
    padding: 12px 16px;
  }

  .copyright {
    font-size: 12px;
  }

  .error-code {
    font-size: 56px;
  }

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

/* ============================================================
   锚点滚动偏移
   ============================================================ */
section[id],
article[id],
div[id] {
  scroll-margin-top: calc(var(--header-height) + 16px);
}