/* ==========================================================================
   每日黑料 全站样式表
   会议资料风 · 白底 · 深蓝与暗红主题
   ========================================================================== */

/* --------------------------------------------------------------------------
   01 · Base / Reset
   -------------------------------------------------------------------------- */
*,
*::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: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: #1e2a3a;
  background-color: #ffffff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

ul,
ol {
  list-style: none;
}

a {
  color: #1e2a3a;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #c0392b;
}

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

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   02 · Layout 骨架
   -------------------------------------------------------------------------- */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

.home-main {
  width: 100%;
}

.inner-main {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 桌面端默认主内容容器 */
.layout-shell,
.page-layout {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 侧栏在左的布局 */
.sidebar-left {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

/* 当 .sidebar-left 在祖先节点时，确保后代布局也生效 */
body.sidebar-left {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  align-items: start;
}

body.sidebar-left .site-header,
body.sidebar-left .site-footer {
  grid-column: 1 / -1;
}

body.sidebar-left .site-main {
  min-width: 0;
}

/* 侧栏 */
.sidebar,
.page-sidebar {
  min-width: 0;
}

.sidebar-inner,
.sidebar-nav {
  background-color: #f4f6f8;
  border-radius: 6px;
  padding: 24px 20px;
}

.sidebar-title {
  font-size: 14px;
  font-weight: 700;
  color: #1e2a3a;
  letter-spacing: 0.02em;
  padding-bottom: 12px;
  border-bottom: 2px solid #c0392b;
  margin-bottom: 16px;
}

.sidebar-list,
.sidebar-nav ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-list li a,
.sidebar-nav li a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: #4a5568;
  border-radius: 4px;
  border-left: 3px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.sidebar-list li a:hover,
.sidebar-nav li a:hover {
  background-color: #e8ecef;
  color: #1e2a3a;
}

.sidebar-list li a.is-sidebar-current,
.sidebar-nav li a.is-sidebar-current {
  background-color: #ffffff;
  color: #c0392b;
  border-left-color: #c0392b;
  font-weight: 600;
}

.sidebar-note {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #dde2e6;
  font-size: 13px;
  color: #7f8c8d;
  line-height: 1.6;
}

.sidebar-note p {
  margin-bottom: 8px;
}

.sidebar-note a {
  color: #c0392b;
  font-weight: 600;
  font-size: 13px;
}

/* --------------------------------------------------------------------------
   03 · Header 与导航
   -------------------------------------------------------------------------- */
.site-header {
  width: 100%;
  background-color: #ffffff;
  border-bottom: 1px solid #e8ecef;
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-toolbar {
  background-color: #1e2a3a;
  color: #aebac5;
  font-size: 13px;
}

.top-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 6px 24px;
}

.toolbar-slogan {
  color: #aebac5;
}

.toolbar-link {
  color: #d5dce3;
  font-size: 13px;
  padding: 2px 0;
}

.toolbar-link:hover {
  color: #ffffff;
}

.header-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  flex-shrink: 0;
}

.brand-link {
  display: inline-flex;
  align-items: center;
}

.brand-name {
  font-size: 22px;
  font-weight: 800;
  color: #1e2a3a;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.brand-name::after {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  background-color: #c0392b;
  border-radius: 50%;
  margin-left: 6px;
  vertical-align: middle;
}

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

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

.nav-list li a {
  display: block;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: #4a5568;
  border-radius: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.nav-list li a:hover {
  color: #1e2a3a;
  background-color: #f4f6f8;
}

.nav-list li a.is-current {
  color: #c0392b;
  border-bottom-color: #c0392b;
  font-weight: 600;
  background-color: transparent;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.nav-toggle-icon {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #1e2a3a;
  position: relative;
  transition: background-color 0.2s ease;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #1e2a3a;
  transition: transform 0.2s ease;
}

.nav-toggle-icon::before {
  top: -7px;
}

.nav-toggle-icon::after {
  top: 7px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  line-height: 1.4;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background-color: #c0392b;
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #a93226;
  color: #ffffff;
}

.btn-secondary {
  background-color: #1e2a3a;
  color: #ffffff;
}

.btn-secondary:hover {
  background-color: #2c3e50;
  color: #ffffff;
}

.btn-outline {
  background-color: transparent;
  color: #1e2a3a;
  border-color: #1e2a3a;
}

.btn-outline:hover {
  background-color: #1e2a3a;
  color: #ffffff;
}

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

/* --------------------------------------------------------------------------
   04 · 面包屑
   -------------------------------------------------------------------------- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: #7f8c8d;
  padding: 20px 0 12px;
}

.breadcrumb a {
  color: #7f8c8d;
}

.breadcrumb a:hover {
  color: #c0392b;
}

.breadcrumb-sep {
  color: #b0b8bf;
}

.breadcrumb-current {
  color: #1e2a3a;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   05 · 页面标题区
   -------------------------------------------------------------------------- */
.page-header {
  padding: 12px 0 32px;
}

.page-title {
  font-size: 32px;
  font-weight: 800;
  color: #1e2a3a;
  line-height: 1.3;
  margin-bottom: 12px;
}

.page-description {
  font-size: 15px;
  color: #5a6a7a;
  line-height: 1.7;
  max-width: 720px;
}

/* --------------------------------------------------------------------------
   06 · 内容区块通用
   -------------------------------------------------------------------------- */
.content-section,
.content-block {
  margin-bottom: 48px;
}

.section-title,
.block-title {
  font-size: 24px;
  font-weight: 700;
  color: #1e2a3a;
  line-height: 1.4;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-number,
.section-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 8px;
  background-color: #c0392b;
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  border-radius: 4px;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}

.section-intro,
.section-desc,
.block-intro {
  font-size: 15px;
  color: #4a5568;
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 760px;
}

/* 表格 */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  border-radius: 6px;
  border: 1px solid #e8ecef;
}

.data-table {
  width: 100%;
  font-size: 14px;
  line-height: 1.6;
}

.data-table thead th {
  background-color: #1e2a3a;
  color: #ffffff;
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  white-space: nowrap;
}

.data-table tbody td {
  padding: 12px 16px;
  border-top: 1px solid #e8ecef;
  vertical-align: top;
  color: #2d3748;
}

.data-table tbody tr:nth-child(even) {
  background-color: #f8f9fa;
}

.data-table tbody tr:hover {
  background-color: #f0f2f4;
}

.compact-table tbody td {
  padding: 10px 14px;
}

.table-note,
.table-footnote,
.section-note {
  font-size: 13px;
  color: #7f8c8d;
  margin-top: 12px;
  line-height: 1.6;
}

/* 图文 */
.content-figure,
.content-media,
.section-figure {
  margin: 24px 0;
  border-radius: 6px;
  overflow: hidden;
  background-color: #f4f6f8;
}

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

.content-figure figcaption,
.content-media figcaption,
.section-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: #7f8c8d;
  background-color: #f4f6f8;
  line-height: 1.5;
}

.content-media-inline {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  background-color: transparent;
  border-radius: 0;
}

.content-media-inline img {
  width: 280px;
  flex-shrink: 0;
  border-radius: 6px;
}

.content-media-inline figcaption {
  background-color: transparent;
  padding: 0;
  font-size: 14px;
  color: #4a5568;
  line-height: 1.7;
}

/* 文本链接 */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #c0392b;
}

.text-link::after {
  content: "→";
  font-size: 16px;
  transition: transform 0.2s ease;
}

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

/* --------------------------------------------------------------------------
   07 · 首页 Hero
   -------------------------------------------------------------------------- */
.hero-section {
  background-color: #f4f6f8;
  border-bottom: 1px solid #e8ecef;
}

.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.hero-title {
  font-size: 40px;
  font-weight: 800;
  color: #1e2a3a;
  line-height: 1.25;
  letter-spacing: 0.01em;
}

.hero-lead {
  font-size: 16px;
  color: #4a5568;
  line-height: 1.7;
  max-width: 480px;
}

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

.hero-media {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-figure {
  width: 100%;
  max-width: 520px;
  border-radius: 6px;
  overflow: hidden;
  background-color: #e8ecef;
  box-shadow: 0 2px 12px rgba(30, 42, 58, 0.08);
}

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

/* --------------------------------------------------------------------------
   08 · 首页模块
   -------------------------------------------------------------------------- */
.section-heading {
  margin-bottom: 32px;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: #1e2a3a;
  line-height: 1.4;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-sub {
  font-size: 15px;
  color: #5a6a7a;
  line-height: 1.6;
  margin-top: 12px;
  max-width: 640px;
}

/* 服务能力总览 */
.capability-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px;
}

.capability-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.capability-index {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-right: 1px solid #e8ecef;
  padding-right: 32px;
}

.capability-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background-color: #f4f6f8;
  border-radius: 6px;
  border-left: 4px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.capability-item:hover {
  background-color: #e8ecef;
  border-left-color: #c0392b;
}

.capability-name {
  font-size: 16px;
  font-weight: 600;
  color: #1e2a3a;
}

.capability-status {
  font-size: 12px;
  color: #c0392b;
  background-color: rgba(192, 57, 43, 0.08);
  padding: 2px 10px;
  border-radius: 20px;
  font-weight: 500;
}

.capability-detail {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.capability-card {
  background-color: #ffffff;
  border: 1px solid #e8ecef;
  border-radius: 6px;
  padding: 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.capability-card:hover {
  transform: translateY(-2px);
  border-color: #c0392b;
  box-shadow: 0 4px 16px rgba(30, 42, 58, 0.06);
}

.capability-card-title {
  font-size: 18px;
  font-weight: 700;
  color: #1e2a3a;
  margin-bottom: 8px;
}

.capability-card-desc {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.7;
  margin-bottom: 16px;
}

/* 合作流程预览 */
.process-preview-section {
  background-color: #1e2a3a;
  padding: 64px 24px;
}

.process-preview-section .section-heading {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.process-preview-section .section-title {
  color: #ffffff;
}

.process-preview-section .section-number {
  background-color: #c0392b;
}

.process-preview-section .section-sub {
  color: #aebac5;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto 32px;
}

.process-step {
  background-color: rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  padding: 24px;
  border-top: 3px solid #c0392b;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.step-label {
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
}

.step-deliverable {
  font-size: 13px;
  color: #aebac5;
  line-height: 1.5;
}

.process-link {
  display: block;
  max-width: 1200px;
  margin: 0 auto;
  color: #ffffff;
}

.process-link::after {
  color: #c0392b;
}

/* 服务场景 */
.scenario-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px;
}

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

.scenario-card {
  background-color: #ffffff;
  border: 1px solid #e8ecef;
  border-radius: 6px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.scenario-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(30, 42, 58, 0.08);
}

.scenario-media {
  overflow: hidden;
  background-color: #e8ecef;
}

.scenario-media img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.scenario-card:hover .scenario-media img {
  transform: scale(1.03);
}

.scenario-title {
  font-size: 18px;
  font-weight: 700;
  color: #1e2a3a;
  padding: 20px 20px 8px;
}

.scenario-desc {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.6;
  padding: 0 20px 20px;
}

/* FAQ 提点 */
.faq-teaser-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px;
}

.faq-teaser-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
}

.faq-item {
  border: 1px solid #e8ecef;
  border-radius: 6px;
  background-color: #ffffff;
  transition: border-color 0.2s ease;
}

.faq-item:hover {
  border-color: #c0392b;
}

.faq-item summary {
  padding: 18px 24px;
  font-size: 15px;
  font-weight: 600;
  color: #1e2a3a;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  color: #c0392b;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

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

.faq-item p {
  padding: 0 24px 18px;
  font-size: 14px;
  color: #4a5568;
  line-height: 1.7;
}

.faq-item p a {
  color: #c0392b;
  font-weight: 500;
}

.faq-more-link {
  margin-top: 24px;
}

/* 合作引导条 */
.cta-band {
  background-color: #c0392b;
  padding: 56px 24px;
  text-align: center;
}

.cta-title {
  font-size: 28px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.cta-desc {
  font-size: 15px;
  color: #f5d9d6;
  max-width: 560px;
  margin: 0 auto 24px;
  line-height: 1.7;
}

.cta-band .btn-primary {
  background-color: #ffffff;
  color: #c0392b;
}

.cta-band .btn-primary:hover {
  background-color: #f4f6f8;
  color: #a93226;
}

/* --------------------------------------------------------------------------
   09 · 内页：监测服务
   -------------------------------------------------------------------------- */
.content-area {
  min-width: 0;
}

.card-list {
  display: grid;
  gap: 16px;
}

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

.card-item {
  background-color: #ffffff;
  border: 1px solid #e8ecef;
  border-radius: 6px;
  padding: 24px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card-item:hover {
  transform: translateY(-2px);
  border-color: #c0392b;
}

.card-title {
  font-size: 17px;
  font-weight: 700;
  color: #1e2a3a;
  margin-bottom: 8px;
}

.card-text {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.7;
}

.status-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: #c0392b;
  background-color: rgba(192, 57, 43, 0.08);
  padding: 2px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.two-col-text {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.col-heading {
  font-size: 16px;
  font-weight: 700;
  color: #1e2a3a;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid #e8ecef;
}

.col p {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.7;
  margin-bottom: 12px;
}

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

.plain-list li {
  font-size: 14px;
  color: #4a5568;
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}

.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: #c0392b;
  border-radius: 50%;
}

.link-out-section {
  margin-top: 48px;
}

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

.link-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background-color: #f4f6f8;
  border-radius: 6px;
  padding: 20px;
  border: 1px solid transparent;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.link-card:hover {
  border-color: #c0392b;
  background-color: #ffffff;
}

.link-card-title {
  font-size: 15px;
  font-weight: 600;
  color: #1e2a3a;
}

.link-card-desc {
  font-size: 13px;
  color: #7f8c8d;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   10 · 内页：核验服务
   -------------------------------------------------------------------------- */
.page-content {
  min-width: 0;
}

.scope-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.scope-block {
  background-color: #f8f9fa;
  border-radius: 6px;
  padding: 24px;
}

.scope-accept {
  border-left: 4px solid #27ae60;
}

.scope-reject {
  border-left: 4px solid #c0392b;
}

.scope-heading {
  font-size: 16px;
  font-weight: 700;
  color: #1e2a3a;
  margin-bottom: 16px;
}

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

.scope-list li {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.6;
  padding-left: 20px;
  position: relative;
}

.scope-list li::before {
  content: "·";
  position: absolute;
  left: 4px;
  font-weight: 700;
  color: #c0392b;
}

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

.step-item {
  background-color: #ffffff;
  border: 1px solid #e8ecef;
  border-radius: 6px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.step-title {
  font-size: 16px;
  font-weight: 700;
  color: #1e2a3a;
}

.step-desc {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.7;
}

.step-meta {
  font-size: 13px;
  color: #7f8c8d;
  line-height: 1.5;
  background-color: #f8f9fa;
  border-radius: 4px;
  padding: 8px 12px;
}

.step-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #ffffff;
  background-color: #1e2a3a;
  padding: 4px 12px;
  border-radius: 4px;
  align-self: flex-start;
  letter-spacing: 0.02em;
}

.delivery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.delivery-card {
  background-color: #f8f9fa;
  border-radius: 6px;
  padding: 24px;
  border-top: 3px solid #c0392b;
}

.delivery-title {
  font-size: 16px;
  font-weight: 700;
  color: #1e2a3a;
  margin-bottom: 8px;
}

.delivery-card p {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.7;
}

.delivery-note {
  font-size: 13px;
  color: #7f8c8d;
  margin-top: 16px;
  line-height: 1.6;
}

.related-section {
  margin-top: 48px;
}

.related-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.related-links p {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.7;
}

.related-links p a {
  color: #c0392b;
  font-weight: 500;
  margin-right: 16px;
  white-space: nowrap;
}

.related-links p a:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   11 · 内页：合作流程
   -------------------------------------------------------------------------- */
.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 32px;
}

.timeline-list::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background-color: #e8ecef;
}

.timeline-item {
  position: relative;
  padding: 0 0 32px 24px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #c0392b;
  border: 3px solid #ffffff;
  box-shadow: 0 0 0 2px #c0392b;
}

.timeline-title {
  font-size: 16px;
  font-weight: 700;
  color: #1e2a3a;
  margin-bottom: 6px;
}

.timeline-desc {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.7;
  margin-bottom: 8px;
}

.timeline-meta {
  font-size: 13px;
  color: #7f8c8d;
  background-color: #f8f9fa;
  border-radius: 4px;
  padding: 6px 12px;
  display: inline-block;
}

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

.related-card {
  background-color: #f4f6f8;
  border-radius: 6px;
  padding: 20px;
  border: 1px solid transparent;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.related-card:hover {
  border-color: #c0392b;
  background-color: #ffffff;
}

.related-title {
  font-size: 15px;
  font-weight: 600;
  color: #1e2a3a;
  margin-bottom: 6px;
}

.related-card p {
  font-size: 13px;
  color: #7f8c8d;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   12 · 内页：合作准备
   -------------------------------------------------------------------------- */
.check-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.check-list li {
  background-color: #f8f9fa;
  border-radius: 6px;
  padding: 20px 24px;
  border-left: 4px solid #c0392b;
}

.check-list h3 {
  font-size: 16px;
  font-weight: 700;
  color: #1e2a3a;
  margin-bottom: 6px;
}

.check-list p {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.7;
}

.goal-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.goal-card {
  background-color: #ffffff;
  border: 1px solid #e8ecef;
  border-radius: 6px;
  padding: 24px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.goal-card:hover {
  transform: translateY(-2px);
  border-color: #c0392b;
}

.goal-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: #1e2a3a;
  margin-bottom: 8px;
}

.goal-card p {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.7;
}

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

.link-list li a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: #c0392b;
}

.link-list li a::before {
  content: "→";
  font-size: 16px;
}

.link-list li a:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   13 · 内页：常见问题
   -------------------------------------------------------------------------- */
.faq-group {
  margin-bottom: 48px;
}

.faq-group-title {
  font-size: 22px;
  font-weight: 700;
  color: #1e2a3a;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid #e8ecef;
  position: relative;
}

.faq-group-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 48px;
  height: 2px;
  background-color: #c0392b;
}

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

.faq-item .faq-answer {
  padding: 0 24px 18px;
}

.faq-answer p {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.7;
}

.faq-separator-image {
  margin: 48px 0;
  border-radius: 6px;
  overflow: hidden;
  background-color: #f4f6f8;
}

.faq-separator-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.faq-related-links {
  margin-bottom: 48px;
}

.faq-related-title {
  font-size: 22px;
  font-weight: 700;
  color: #1e2a3a;
  margin-bottom: 20px;
}

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

.related-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #f8f9fa;
  border-radius: 6px;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  color: #1e2a3a;
  border: 1px solid transparent;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.related-link::after {
  content: "→";
  color: #c0392b;
  font-size: 16px;
}

.related-link:hover {
  border-color: #c0392b;
  background-color: #ffffff;
}

.related-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid #e8ecef;
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: #1e2a3a;
}

.related-links-item {
  font-size: 14px;
  color: #c0392b;
}

.related-links-item:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   14 · 内页：服务说明
   -------------------------------------------------------------------------- */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}

.flow-step {
  background-color: #f8f9fa;
  border-radius: 6px;
  padding: 24px;
  position: relative;
  border-top: 3px solid #1e2a3a;
}

.flow-step:nth-child(2) {
  border-top-color: #c0392b;
}

.flow-step:nth-child(3) {
  border-top-color: #7f8c8d;
}

.flow-step .step-tag {
  margin-bottom: 12px;
}

.flow-step .step-title {
  font-size: 16px;
  font-weight: 700;
  color: #1e2a3a;
  margin-bottom: 8px;
}

.flow-step .step-desc {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.7;
}

.standard-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.standard-card {
  background-color: #ffffff;
  border: 1px solid #e8ecef;
  border-radius: 6px;
  padding: 24px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.standard-card:hover {
  transform: translateY(-2px);
  border-color: #c0392b;
}

.standard-card .card-title {
  font-size: 16px;
  font-weight: 700;
  color: #1e2a3a;
  margin-bottom: 8px;
}

.standard-card .card-desc {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   15 · 404 页面
   -------------------------------------------------------------------------- */
.error-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
}

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

.error-code {
  font-size: 72px;
  font-weight: 800;
  color: #c0392b;
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 28px;
  font-weight: 700;
  color: #1e2a3a;
  margin-bottom: 16px;
}

.error-desc {
  font-size: 15px;
  color: #4a5568;
  line-height: 1.7;
  margin-bottom: 32px;
}

.error-btn {
  display: inline-flex;
}

/* --------------------------------------------------------------------------
   16 · Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: #1e2a3a;
  color: #aebac5;
  margin-top: auto;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 32px;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

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

.footer-links a {
  font-size: 14px;
  color: #aebac5;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-brand {
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
}

.footer-copy {
  font-size: 13px;
  color: #7f8c8d;
}

/* --------------------------------------------------------------------------
   17 · 滚动动画（增强，不阻塞初始可见）
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .capability-card,
  .scenario-card,
  .step-item,
  .timeline-item,
  .goal-card,
  .standard-card {
    animation: fadeInUp 0.4s ease both;
  }

  .capability-card:nth-child(2),
  .scenario-card:nth-child(2),
  .step-item:nth-child(2),
  .goal-card:nth-child(2),
  .standard-card:nth-child(2) {
    animation-delay: 0.08s;
  }

  .capability-card:nth-child(3),
  .scenario-card:nth-child(3),
  .step-item:nth-child(3),
  .goal-card:nth-child(3),
  .standard-card:nth-child(3) {
    animation-delay: 0.16s;
  }
}

/* --------------------------------------------------------------------------
   18 · 响应式
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .header-main {
    padding: 12px 20px;
  }

  .nav-list li a {
    padding: 8px 12px;
    font-size: 13px;
  }

  .layout-shell,
  .page-layout {
    padding: 0 20px;
  }

  body.sidebar-left {
    padding: 0 20px;
    gap: 32px;
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .hero-section {
    padding: 48px 20px;
    gap: 32px;
  }

  .hero-title {
    font-size: 32px;
  }

  .capability-section,
  .scenario-section,
  .faq-teaser-section {
    padding: 48px 20px;
  }

  .process-preview-section {
    padding: 48px 20px;
  }

  .footer-columns {
    gap: 24px;
    padding: 40px 20px 24px;
  }
}

@media (max-width: 768px) {
  /* 导航切换 */
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    justify-content: flex-end;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #ffffff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px;
    border-bottom: 1px solid #e8ecef;
    box-shadow: 0 8px 24px rgba(30, 42, 58, 0.1);
    z-index: 99;
  }

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

  .nav-list li a {
    padding: 12px 16px;
    font-size: 15px;
    border-bottom: none;
    border-left: 3px solid transparent;
  }

  .nav-list li a.is-current {
    border-bottom: none;
    border-left-color: #c0392b;
    background-color: #f4f6f8;
  }

  .header-cta {
    display: none;
  }

  /* 侧栏布局切换 */
  .layout-shell,
  .page-layout {
    display: block;
  }

  body.sidebar-left {
    display: block;
    padding: 0 20px;
  }

  .sidebar,
  .page-sidebar {
    display: none;
  }

  /* 首页 hero */
  .hero-section {
    grid-template-columns: 1fr;
    padding: 40px 20px;
    gap: 24px;
  }

  .hero-content {
    order: 1;
  }

  .hero-media {
    order: 2;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-figure {
    max-width: 100%;
  }

  /* 服务能力 */
  .capability-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .capability-index {
    flex-direction: row;
    flex-wrap: wrap;
    border-right: none;
    border-bottom: 1px solid #e8ecef;
    padding-right: 0;
    padding-bottom: 16px;
  }

  .capability-item {
    flex: 1;
    min-width: 140px;
  }

  /* 流程预览 */
  .process-steps {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* 场景 */
  .scenario-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* 内页 */
  .inner-main {
    padding: 0 20px;
  }

  .breadcrumb {
    padding: 16px 0 8px;
  }

  .page-header {
    padding: 8px 0 24px;
  }

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

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

  .content-section,
  .content-block {
    margin-bottom: 40px;
  }

  /* 表格 */
  .table-wrap {
    overflow-x: auto;
  }

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

  /* 双栏 */
  .two-col-text,
  .scope-wrap {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .card-list-3,
  .delivery-grid,
  .goal-cards,
  .standard-cards,
  .link-out-grid,
  .related-grid,
  .flow-steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* 内容媒体 */
  .content-media-inline {
    flex-direction: column;
  }

  .content-media-inline img {
    width: 100%;
  }

  /* 页脚 */
  .footer-columns {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    padding: 40px 20px 24px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px 20px;
  }
}

@media (max-width: 480px) {
  .top-toolbar {
    padding: 6px 16px;
  }

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

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

  .brand-name {
    font-size: 18px;
  }

  .hero-section,
  .capability-section,
  .scenario-section,
  .faq-teaser-section,
  .cta-band {
    padding: 32px 16px;
  }

  .process-preview-section {
    padding: 32px 16px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

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

  .capability-item {
    min-width: 100%;
  }

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

  .page-title {
    font-size: 22px;
  }

  .section-title,
  .block-title {
    font-size: 18px;
    flex-wrap: wrap;
  }

  .section-number,
  .section-num {
    min-width: 32px;
    height: 32px;
    font-size: 13px;
  }

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

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

  .process-step {
    padding: 20px;
  }

  .scenario-media img {
    height: 160px;
  }

  .cta-title {
    font-size: 22px;
  }

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

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

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