/* ==========================================================
   黑料网51 · 整站样式表
   站点：ganjinxz.com
   说明：覆盖首页、内页、导航、侧栏、列表、卡片、表格、FAQ、联系区与页脚
   ========================================================== */

/* ----------------------------------------------------------
   1. Base
   ---------------------------------------------------------- */
*, *::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: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: #222B36;
  background-color: #F5F7FA;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: #1D4E89;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #E8753A;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.3;
  color: #222B36;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 17px;
}

p {
  margin-bottom: 12px;
}

/* 通用容器 */
.section-inner,
.header-inner,
.footer-inner,
.page-container,
.layout-shell,
.page-layout,
.related-entry-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ----------------------------------------------------------
   2. Layout 骨架
   ---------------------------------------------------------- */

/* 页头 */
.site-header {
  background-color: #FFFFFF;
  border-bottom: 1px solid #D9E1E8;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding-top: 8px;
  padding-bottom: 8px;
}

.brand {
  font-size: 20px;
  font-weight: 700;
  color: #1D4E89;
  flex-shrink: 0;
}

.brand a {
  color: #1D4E89;
}

.brand a:hover {
  color: #E8753A;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  justify-content: center;
}

.toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #1D4E89;
  border-radius: 2px;
  transition: background-color 0.2s ease;
}

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

.nav-list li a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: #222B36;
  border-radius: 4px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-list li a:hover {
  color: #1D4E89;
  background-color: #F0F4F8;
}

.nav-list li a.is-current {
  color: #1D4E89;
  font-weight: 600;
  background-color: #EDF2F7;
}

/* 主内容 */
.site-main {
  min-height: 60vh;
}

/* 首页主区 */
.home-main {
  background-color: #F5F7FA;
}

/* 内页主区 */
.inner-main {
  background-color: #FFFFFF;
  padding-bottom: 64px;
}

/* 面包屑 */
.breadcrumb {
  font-size: 13px;
  color: #5C6B7A;
  padding: 16px 24px 0;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.breadcrumb a {
  color: #5C6B7A;
}

.breadcrumb a:hover {
  color: #1D4E89;
}

.breadcrumb-sep {
  margin: 0 8px;
  color: #B0BCC6;
}

.breadcrumb-current {
  color: #222B36;
  font-weight: 500;
}

/* 页标题区 */
.page-header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 24px 16px;
  width: 100%;
}

.page-title {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.3;
  color: #222B36;
}

/* 内页布局容器 */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 32px;
  padding-top: 8px;
  padding-bottom: 48px;
  align-items: start;
}

/* 主内容列 */
.main-content,
.main-column,
.content-area {
  min-width: 0;
  min-width: 520px;
}

/* 侧栏 */
.aside-summary {
  min-width: 0;
}

/* 页脚 */
.site-footer {
  background-color: #1D2B3A;
  color: #B8C4CE;
  padding: 48px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 32px;
}

.footer-brand-name {
  font-size: 20px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
}

.footer-links-title {
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.footer-links ul li {
  margin-bottom: 8px;
}

.footer-links ul li a {
  color: #B8C4CE;
  font-size: 14px;
}

.footer-links ul li a:hover {
  color: #E8753A;
}

.footer-note {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px 0;
}

.footer-note p {
  font-size: 13px;
  color: #8A9BAA;
  margin-bottom: 4px;
}

.footer-note .copyright {
  color: #6E7F8E;
  font-size: 12px;
}

/* ----------------------------------------------------------
   3. 通用组件
   ---------------------------------------------------------- */

/* 按钮 */
.btn {
  display: inline-block;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  text-align: center;
}

.btn-primary {
  background-color: #1D4E89;
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: #163D6B;
  color: #FFFFFF;
}

.btn-secondary {
  background-color: #FFFFFF;
  color: #1D4E89;
  border-color: #1D4E89;
}

.btn-secondary:hover {
  background-color: #EDF2F7;
  color: #1D4E89;
}

.btn-outline {
  background-color: transparent;
  color: #1D4E89;
  border-color: #1D4E89;
}

.btn-outline:hover {
  background-color: #1D4E89;
  color: #FFFFFF;
}

/* FAQ 手风琴 */
.faq-item {
  border: 1px solid #D9E1E8;
  border-radius: 6px;
  background-color: #FFFFFF;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  color: #222B36;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 40px;
  transition: background-color 0.2s ease;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: #1D4E89;
  transition: transform 0.2s ease;
}

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

.faq-item summary:hover {
  background-color: #F7F9FC;
}

.faq-item p {
  padding: 0 20px 16px;
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.7;
}

/* 内容配图 */
.content-figure {
  margin: 24px 0;
  border-radius: 6px;
  overflow: hidden;
  background-color: #EDF2F7;
}

.content-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 区块标题 */
.section-heading {
  margin-bottom: 20px;
}

.section-heading h2 {
  font-size: 22px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 8px;
}

.section-heading p {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.6;
}

/* 相关入口 */
.related-entry {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 0;
  width: 100%;
}

.related-entry h2 {
  font-size: 20px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 16px;
}

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

.entry-card {
  display: block;
  background-color: #F7F9FC;
  border: 1px solid #D9E1E8;
  border-radius: 6px;
  padding: 20px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.entry-card:hover {
  border-color: #1D4E89;
  box-shadow: 0 2px 8px rgba(29, 78, 137, 0.08);
}

.entry-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: #1D4E89;
  margin-bottom: 6px;
}

.entry-card p {
  font-size: 14px;
  color: #5C6B7A;
  margin-bottom: 0;
  line-height: 1.6;
}

.entry-label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: #1D4E89;
  margin-bottom: 4px;
}

.entry-desc {
  display: block;
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.6;
}

.entry-name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: #1D4E89;
  margin-bottom: 4px;
}

/* 侧栏 */
.aside-inner,
.summary-block {
  background-color: #F7F9FC;
  border: 1px solid #D9E1E8;
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 20px;
}

.aside-inner h2,
.summary-block h2 {
  font-size: 16px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #D9E1E8;
}

.aside-inner ul li,
.summary-block ul li {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.6;
  padding: 4px 0;
  position: relative;
  padding-left: 14px;
}

.aside-inner ul li::before,
.summary-block ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #E8753A;
}

.aside-nav {
  margin-top: 16px;
}

.aside-nav-title {
  font-size: 14px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 8px;
}

.aside-nav ul li a,
.aside-links li a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: #1D4E89;
}

.aside-nav ul li a:hover,
.aside-links li a:hover {
  color: #E8753A;
}

.aside-contact {
  background-color: #1D4E89;
  border-radius: 6px;
  padding: 20px;
  color: #FFFFFF;
}

.aside-contact p {
  font-size: 14px;
  color: #DCE6F0;
  margin-bottom: 12px;
}

.aside-contact a {
  display: inline-block;
  color: #FFFFFF;
  background-color: #E8753A;
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
}

.aside-contact a:hover {
  background-color: #D4642A;
  color: #FFFFFF;
}

/* ----------------------------------------------------------
   4. 首页模块
   ---------------------------------------------------------- */

/* Hero */
.hero {
  background-color: #FFFFFF;
  border-bottom: 1px solid #D9E1E8;
  padding: 56px 0;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.hero-slogan {
  display: inline-block;
  background-color: #F0F4F8;
  color: #1D4E89;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.hero-copy h1 {
  font-size: 28px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 16px;
  line-height: 1.3;
}

.hero-desc {
  font-size: 15px;
  color: #5C6B7A;
  line-height: 1.7;
  margin-bottom: 24px;
}

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

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

.hero-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 首页通用区块 */
.business-overview,
.scenario-nav,
.case-summary,
.delivery-preview,
.faq-section,
.contact-entry {
  padding: 48px 0;
}

.business-overview {
  background-color: #FFFFFF;
}

.scenario-nav {
  background-color: #F5F7FA;
}

.case-summary {
  background-color: #FFFFFF;
}

.delivery-preview {
  background-color: #F5F7FA;
}

.faq-section {
  background-color: #FFFFFF;
}

.contact-entry {
  background-color: #F0F4F8;
}

.section-head {
  margin-bottom: 28px;
}

.section-head h2 {
  font-size: 22px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 8px;
}

.section-desc {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.6;
  max-width: 720px;
}

/* 业务范围卡片 */
.business-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.business-card {
  background-color: #F7F9FC;
  border: 1px solid #D9E1E8;
  border-radius: 6px;
  padding: 28px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.business-card:hover {
  border-color: #1D4E89;
  box-shadow: 0 2px 12px rgba(29, 78, 137, 0.08);
}

.business-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: #1D4E89;
  margin-bottom: 10px;
}

.business-card p {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.7;
  margin-bottom: 16px;
}

.business-card a {
  font-size: 14px;
  font-weight: 500;
  color: #1D4E89;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.business-card a:hover {
  color: #E8753A;
}

.business-card a::after {
  content: "→";
  transition: transform 0.2s ease;
}

.business-card a:hover::after {
  transform: translateX(4px);
}

/* 场景导航卡片 */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.scenario-card {
  background-color: #FFFFFF;
  border: 1px solid #D9E1E8;
  border-radius: 6px;
  padding: 24px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.scenario-card:hover {
  border-color: #1D4E89;
  box-shadow: 0 2px 12px rgba(29, 78, 137, 0.08);
}

.scenario-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 10px;
  position: relative;
  padding-left: 16px;
}

.scenario-card h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background-color: #E8753A;
}

.scenario-card p {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.6;
  margin-bottom: 16px;
}

.scenario-card a {
  font-size: 14px;
  color: #1D4E89;
  font-weight: 500;
}

.scenario-card a:hover {
  color: #E8753A;
}

/* 案例摘要 */
.case-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.case-item {
  background-color: #F7F9FC;
  border: 1px solid #D9E1E8;
  border-radius: 6px;
  padding: 24px;
  transition: border-color 0.2s ease;
}

.case-item:hover {
  border-color: #1D4E89;
}

.case-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 10px;
}

.case-item p {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.6;
  margin-bottom: 12px;
}

.case-item a {
  font-size: 14px;
  color: #1D4E89;
  font-weight: 500;
}

.case-item a:hover {
  color: #E8753A;
}

/* 交付流程预览 */
.step-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.step-item {
  background-color: #FFFFFF;
  border: 1px solid #D9E1E8;
  border-radius: 6px;
  padding: 24px;
  position: relative;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #E8753A;
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
}

.step-item h3 {
  font-size: 15px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 13px;
  color: #5C6B7A;
  line-height: 1.6;
  margin-bottom: 0;
}

.delivery-preview .btn-primary {
  display: inline-block;
}

/* 首页配图 */
.section-figure {
  border-radius: 6px;
  overflow: hidden;
  margin-top: 24px;
}

.section-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 咨询入口 */
.contact-entry .section-inner {
  text-align: center;
}

.contact-entry h2 {
  font-size: 22px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 12px;
}

.contact-entry p {
  font-size: 15px;
  color: #5C6B7A;
  max-width: 680px;
  margin: 0 auto 24px;
  line-height: 1.7;
}

/* ----------------------------------------------------------
   5. 内页模块
   ---------------------------------------------------------- */

/* 业务范围页 */
.page-container {
  padding-top: 8px;
}

.page-content-area {
  min-width: 0;
}

.service-list-section {
  margin-bottom: 40px;
}

.service-item {
  background-color: #F7F9FC;
  border: 1px solid #D9E1E8;
  border-radius: 6px;
  padding: 28px;
  margin-bottom: 20px;
}

.service-item-header {
  margin-bottom: 12px;
}

.service-item h3 {
  font-size: 17px;
  font-weight: 600;
  color: #1D4E89;
  margin-bottom: 8px;
}

.service-item p {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.7;
  margin-bottom: 8px;
}

.service-item a {
  font-size: 14px;
  color: #1D4E89;
  font-weight: 500;
  display: inline-block;
  margin-top: 8px;
}

.service-item a:hover {
  color: #E8753A;
}

.service-tag {
  display: inline-block;
  background-color: #E8753A;
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 3px;
  margin-bottom: 10px;
}

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

.coverage-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.coverage-item {
  background-color: #FFFFFF;
  border: 1px solid #D9E1E8;
  border-radius: 6px;
  padding: 16px;
  text-align: center;
}

.coverage-item span {
  font-size: 14px;
  font-weight: 500;
  color: #1D4E89;
}

.service-boundary {
  background-color: #F7F9FC;
  border-left: 3px solid #E8753A;
  border-radius: 0 6px 6px 0;
  padding: 20px 24px;
}

.service-boundary p {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.7;
  margin-bottom: 0;
}

/* 行业场景页 */
.scene-cards {
  margin-bottom: 40px;
}

.scene-cards h2 {
  font-size: 22px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 8px;
}

.scene-cards > p {
  font-size: 14px;
  color: #5C6B7A;
  margin-bottom: 24px;
}

.scene-card {
  background-color: #F7F9FC;
  border: 1px solid #D9E1E8;
  border-radius: 6px;
  padding: 24px;
  margin-bottom: 20px;
}

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

.scene-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 8px;
  border-radius: 14px;
  background-color: #E8753A;
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 600;
}

.scene-card-header h3 {
  font-size: 17px;
  font-weight: 600;
  color: #222B36;
}

.scene-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.field-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  align-items: start;
}

.field-row dt {
  font-size: 13px;
  font-weight: 600;
  color: #1D4E89;
  padding-top: 2px;
}

.field-row dd {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.6;
}

.scene-figure {
  margin: 24px 0;
  border-radius: 6px;
  overflow: hidden;
}

.scene-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.scene-figure figcaption {
  font-size: 13px;
  color: #5C6B7A;
  padding: 12px 16px;
  background-color: #F0F4F8;
}

.method-note {
  background-color: #F7F9FC;
  border: 1px solid #D9E1E8;
  border-radius: 6px;
  padding: 24px;
}

.method-note h2 {
  font-size: 17px;
  font-weight: 600;
  color: #1D4E89;
  margin-bottom: 12px;
}

.method-note p {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.7;
  margin-bottom: 8px;
}

/* 交付流程页 */
.step-list {
  margin-bottom: 40px;
}

.step-list h2 {
  font-size: 22px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 8px;
}

.step-list > p {
  font-size: 14px;
  color: #5C6B7A;
  margin-bottom: 24px;
}

.step-card {
  background-color: #F7F9FC;
  border: 1px solid #D9E1E8;
  border-radius: 6px;
  padding: 24px;
  margin-bottom: 20px;
}

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

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #E8753A;
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 600;
}

.step-head h3 {
  font-size: 17px;
  font-weight: 600;
  color: #222B36;
}

.step-body dl {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.step-body dl div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
}

.step-body dt {
  font-size: 13px;
  font-weight: 600;
  color: #1D4E89;
}

.step-body dd {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.6;
}

.output-table {
  margin-bottom: 40px;
}

.output-table h2 {
  font-size: 22px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 8px;
}

.output-table > p {
  font-size: 14px;
  color: #5C6B7A;
  margin-bottom: 24px;
}

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

.output-table thead th {
  background-color: #1D4E89;
  color: #FFFFFF;
  font-weight: 500;
  text-align: left;
  padding: 12px 16px;
}

.output-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid #D9E1E8;
  color: #5C6B7A;
  line-height: 1.6;
}

.output-table tbody tr:nth-child(even) {
  background-color: #F7F9FC;
}

.output-table tbody tr:hover {
  background-color: #EDF2F7;
}

/* 案例观察页 */
.article-note-list {
  margin-bottom: 40px;
}

.article-note-list h2 {
  font-size: 22px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 24px;
}

.note-item {
  background-color: #F7F9FC;
  border: 1px solid #D9E1E8;
  border-radius: 6px;
  padding: 24px;
  margin-bottom: 20px;
}

.note-header {
  margin-bottom: 12px;
}

.note-item h3 {
  font-size: 17px;
  font-weight: 600;
  color: #1D4E89;
  margin-bottom: 8px;
}

.note-item p {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.7;
  margin-bottom: 8px;
}

.note-tag {
  display: inline-block;
  background-color: #E8753A;
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 3px;
  margin-bottom: 10px;
}

.note-figure {
  margin: 24px 0;
  border-radius: 6px;
  overflow: hidden;
}

.note-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.note-figure figcaption {
  font-size: 13px;
  color: #5C6B7A;
  padding: 12px 16px;
  background-color: #F0F4F8;
}

.method-box {
  background-color: #F7F9FC;
  border: 1px solid #D9E1E8;
  border-left: 3px solid #1D4E89;
  border-radius: 0 6px 6px 0;
  padding: 24px;
}

.method-box h2 {
  font-size: 17px;
  font-weight: 600;
  color: #1D4E89;
  margin-bottom: 12px;
}

.method-box p {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.7;
  margin-bottom: 12px;
}

.method-box ol {
  list-style: decimal;
  padding-left: 20px;
  margin-bottom: 12px;
}

.method-box ol li {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.7;
  margin-bottom: 6px;
}

/* 联系页 */
.entry-note {
  margin-bottom: 40px;
}

.entry-note h2 {
  font-size: 22px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 16px;
}

.entry-figure {
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 20px;
}

.entry-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.entry-note p {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.7;
  margin-bottom: 12px;
}

.prepare-list {
  margin-bottom: 40px;
}

.prepare-list h2 {
  font-size: 22px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 8px;
}

.prepare-list > p {
  font-size: 14px;
  color: #5C6B7A;
  margin-bottom: 24px;
}

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

.prepare-items li {
  background-color: #F7F9FC;
  border: 1px solid #D9E1E8;
  border-radius: 6px;
  padding: 20px;
}

.prepare-items li h3 {
  font-size: 15px;
  font-weight: 600;
  color: #1D4E89;
  margin-bottom: 8px;
  position: relative;
  padding-left: 16px;
}

.prepare-items li h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 4px;
  height: 14px;
  border-radius: 2px;
  background-color: #E8753A;
}

.prepare-items li p {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.6;
  margin-bottom: 0;
}

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

.faq-contact h2 {
  font-size: 22px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 8px;
}

.faq-contact > p {
  font-size: 14px;
  color: #5C6B7A;
  margin-bottom: 24px;
}

/* 相关链接（联系页底部） */
.related-links {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: #222B36;
}

.related-links-item {
  font-size: 14px;
  color: #1D4E89;
  padding: 6px 14px;
  background-color: #F7F9FC;
  border: 1px solid #D9E1E8;
  border-radius: 4px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.related-links-item:hover {
  border-color: #1D4E89;
  color: #1D4E89;
}

/* 侧栏链接 */
.aside-links li a {
  display: block;
  padding: 8px 0;
  font-size: 14px;
  color: #1D4E89;
  border-bottom: 1px solid #E8EDF2;
}

.aside-links li a:hover {
  color: #E8753A;
}

/* ----------------------------------------------------------
   6. 404 页面
   ---------------------------------------------------------- */

.error-main {
  background-color: #F5F7FA;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  padding: 48px 24px;
}

.error-container {
  max-width: 560px;
  text-align: center;
  background-color: #FFFFFF;
  border: 1px solid #D9E1E8;
  border-radius: 6px;
  padding: 48px 40px;
}

.error-code {
  font-size: 64px;
  font-weight: 700;
  color: #1D4E89;
  line-height: 1;
  margin-bottom: 16px;
}

.error-container h1 {
  font-size: 24px;
  font-weight: 600;
  color: #222B36;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: #5C6B7A;
  line-height: 1.7;
  margin-bottom: 16px;
}

.error-guide {
  font-size: 14px;
  color: #5C6B7A;
  line-height: 1.6;
  margin-bottom: 24px;
}

.btn-home {
  display: inline-block;
  background-color: #1D4E89;
  color: #FFFFFF;
  padding: 10px 28px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  transition: background-color 0.2s ease;
}

.btn-home:hover {
  background-color: #163D6B;
  color: #FFFFFF;
}

/* ----------------------------------------------------------
   7. 响应式
   ---------------------------------------------------------- */

/* 平板 */
@media (max-width: 1024px) {
  .page-layout {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 24px;
  }

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

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

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

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

  .hero-figure {
    order: -1;
  }

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

  .footer-note {
    grid-column: 1 / -1;
  }
}

/* 手机 */
@media (max-width: 768px) {
  .header-inner {
    min-height: 56px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #FFFFFF;
    border-bottom: 1px solid #D9E1E8;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  }

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

  .nav-list li a {
    padding: 12px 16px;
    font-size: 15px;
  }

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

  .aside-summary {
    order: 1;
  }

  .main-content,
  .main-column,
  .content-area {
    order: 2;
    min-width: 0;
  }

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

  .page-header {
    padding: 16px 16px 12px;
  }

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

  .section-inner,
  .header-inner,
  .footer-inner,
  .page-container,
  .layout-shell,
  .page-layout,
  .related-entry-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

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

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

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

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

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

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

  .prepare-items {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 32px 0;
  }

  .hero-copy h1 {
    font-size: 24px;
  }

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

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

  .business-overview,
  .scenario-nav,
  .case-summary,
  .delivery-preview,
  .faq-section,
  .contact-entry {
    padding: 32px 0;
  }

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

  .footer-note {
    grid-column: 1;
  }

  .field-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .step-body dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

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

  .output-table table {
    min-width: 560px;
  }

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

/* 小屏手机 */
@media (max-width: 480px) {
  .brand {
    font-size: 18px;
  }

  .nav-toggle {
    padding: 6px;
  }

  .toggle-bar {
    width: 20px;
  }

  .hero-slogan {
    font-size: 12px;
  }

  .hero-copy h1 {
    font-size: 22px;
  }

  .hero-desc {
    font-size: 14px;
  }

  .btn {
    padding: 10px 20px;
    font-size: 14px;
  }

  .section-head h2,
  .section-heading h2,
  .scene-cards h2,
  .step-list h2,
  .output-table h2,
  .article-note-list h2,
  .entry-note h2,
  .prepare-list h2,
  .faq-contact h2 {
    font-size: 20px;
  }

  .business-card,
  .scenario-card,
  .case-item,
  .step-item,
  .scene-card,
  .step-card,
  .note-item {
    padding: 20px;
  }

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

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

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

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