/* ============================================================
   17吃瓜黑料 企业官网 整站样式
   城市服务风：公共信息感、清楚入口、温和色彩、可靠排版
   ============================================================ */

/* ============================================================
   基础样式
   ============================================================ */
*,
*::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', 'Noto Sans SC', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  font-weight: 400;
  color: #2b3333;
  background-color: #fafcfc;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: #0e6b68;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #0a514f;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.4;
  color: #2b3333;
}

figure {
  margin: 0;
}

figcaption {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.6;
  margin-top: 8px;
  text-align: center;
}

/* ============================================================
   布局基础
   ============================================================ */
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid #e3ecec;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.brand-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
  flex-shrink: 0;
}

.brand-name {
  font-size: 20px;
  font-weight: 600;
  color: #0e6b68;
  letter-spacing: 0;
}

.brand-tagline {
  font-size: 12px;
  color: #5a6b6b;
  font-weight: 400;
}

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

.nav-link {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: #2b3333;
  border-radius: 6px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
  background-color: #e8f0f1;
  color: #0e6b68;
}

.nav-link.is-current {
  color: #0e6b68;
  background-color: #e8f0f1;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}

.toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #2b3333;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-main {
  min-height: 60vh;
}

.site-main.inner-main {
  padding-bottom: 60px;
}

.site-footer {
  background-color: #1d2b2b;
  color: #b8c7c7;
  font-size: 14px;
}

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

.footer-col h3 {
  color: #ffffff;
  font-size: 16px;
  margin-bottom: 16px;
  font-weight: 600;
}

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

.footer-col ul a {
  color: #b8c7c7;
  font-size: 14px;
  transition: color 0.2s ease;
}

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

.footer-about p {
  font-size: 14px;
  line-height: 1.7;
  color: #9fb0b0;
}

.footer-bottom {
  border-top: 1px solid #334545;
  padding: 20px 24px;
  text-align: center;
}

.footer-bottom p {
  max-width: 1200px;
  margin: 0 auto;
  font-size: 13px;
  color: #7e9292;
  line-height: 1.6;
}

/* ============================================================
   通用组件
   ============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
}

.page-layout.sidebar-right {
  grid-template-columns: minmax(0, 1fr) 300px;
}

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

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: #5a6b6b;
  margin-bottom: 20px;
}

.breadcrumb a {
  color: #0e6b68;
}

.breadcrumb a:hover {
  color: #0a514f;
  text-decoration: underline;
}

.breadcrumb-sep {
  color: #9ab0b0;
  font-size: 12px;
}

.breadcrumb-current {
  color: #5a6b6b;
  font-weight: 500;
}

.page-header {
  margin-bottom: 28px;
}

.page-title {
  font-size: 32px;
  font-weight: 600;
  color: #2b3333;
  line-height: 1.35;
  margin-bottom: 8px;
}

.page-intro {
  font-size: 16px;
  color: #5a6b6b;
  line-height: 1.7;
  max-width: 760px;
}

.page-title-wrap {
  background-color: #e8f0f1;
  padding: 32px 0;
  margin-bottom: 40px;
  border-bottom: 1px solid #d5e3e4;
}

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

.page-title-section {
  background-color: #e8f0f1;
  padding: 32px 0;
  margin-bottom: 40px;
  border-bottom: 1px solid #d5e3e4;
}

.page-title-section p {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  font-size: 16px;
  color: #5a6b6b;
  line-height: 1.7;
}

.btn-primary {
  display: inline-block;
  padding: 12px 28px;
  background-color: #0e6b68;
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease;
  line-height: 1.5;
}

.btn-primary:hover {
  background-color: #0a514f;
  color: #ffffff;
}

.btn-secondary {
  display: inline-block;
  padding: 12px 28px;
  background-color: transparent;
  color: #0e6b68;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid #0e6b68;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
  line-height: 1.5;
}

.btn-secondary:hover {
  background-color: #e8f0f1;
  color: #0a514f;
}

.text-link {
  display: inline-block;
  font-size: 15px;
  color: #0e6b68;
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.text-link:hover {
  border-bottom-color: #0e6b68;
}

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

.section-heading h2 {
  font-size: 24px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 8px;
}

.section-heading p {
  font-size: 15px;
  color: #5a6b6b;
  line-height: 1.7;
}

.section-title {
  font-size: 22px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 12px;
}

.section-intro {
  font-size: 15px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-bottom: 24px;
}

.section-note {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-bottom: 20px;
}

.card-link {
  display: inline-block;
  font-size: 14px;
  color: #0e6b68;
  font-weight: 500;
  margin-top: 12px;
  transition: color 0.2s ease;
}

.card-link:hover {
  color: #0a514f;
  text-decoration: underline;
}

/* 面包屑与页面标题统一视觉 */
.inner-main .breadcrumb {
  max-width: 1200px;
  margin: 24px auto 0;
  padding: 0 24px;
}

.inner-main .page-header {
  max-width: 1200px;
  margin: 0 auto 28px;
  padding: 0 24px;
}

/* ============================================================
   首页
   ============================================================ */
.site-home {
  background-color: #fafcfc;
}

/* 首屏紧凑总览 */
.hero-compact {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-content h1 {
  font-size: 32px;
  font-weight: 600;
  color: #2b3333;
  line-height: 1.35;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 16px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 520px;
}

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

.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-figure {
  border-radius: 8px;
  overflow: hidden;
  background-color: #e8f0f1;
  aspect-ratio: 16 / 10;
}

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

.capability-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.capability-item {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.capability-label {
  font-size: 13px;
  color: #5a6b6b;
}

.capability-value {
  font-size: 15px;
  font-weight: 600;
  color: #2b3333;
  line-height: 1.5;
}

.content-media-primary {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 32px;
}

.content-media-primary img {
  width: 100%;
  border-radius: 8px;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

/* 服务矩阵 */
.service-matrix-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
}

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

.service-card {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 24px;
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  box-shadow: 0 4px 16px rgba(14, 107, 104, 0.08);
  border-color: #0e6b68;
  transform: translateY(-2px);
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: #e8f0f1;
  border-radius: 8px;
  margin-bottom: 16px;
  color: #0e6b68;
  font-size: 20px;
  font-weight: 600;
}

.service-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 8px;
}

.service-card p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
  flex: 1;
}

/* 合作流程时间线 */
.cooperation-timeline-section {
  background-color: #e8f0f1;
  padding: 48px 0;
}

.cooperation-timeline-section .section-heading {
  max-width: 1200px;
  margin: 0 auto 28px;
  padding: 0 24px;
}

.timeline-steps {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.timeline-step {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 24px;
  border-top: 3px solid #0e6b68;
  position: relative;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: #0e6b68;
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 50%;
  margin-bottom: 12px;
}

.timeline-step h3 {
  font-size: 16px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 8px;
}

.timeline-step p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
}

.timeline-more {
  max-width: 1200px;
  margin: 24px auto 0;
  padding: 0 24px;
  text-align: center;
}

/* 服务场景摘要 */
.scenes-summary-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
}

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

.scene-card {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 24px;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.scene-card:hover {
  box-shadow: 0 4px 16px rgba(14, 107, 104, 0.08);
  border-color: #0e6b68;
}

.scene-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 12px;
}

.scene-card p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-bottom: 8px;
}

/* FAQ 简版 */
.faq-teaser-section {
  background-color: #ffffff;
  border-top: 1px solid #e3ecec;
  border-bottom: 1px solid #e3ecec;
  padding: 48px 0;
}

.faq-teaser-section .section-heading {
  max-width: 1200px;
  margin: 0 auto 28px;
  padding: 0 24px;
}

.faq-list {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.faq-item {
  border-bottom: 1px solid #e3ecec;
  padding: 16px 0;
}

.faq-item summary {
  font-size: 16px;
  font-weight: 500;
  color: #2b3333;
  cursor: pointer;
  padding: 8px 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color 0.2s ease;
}

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

.faq-item summary::after {
  content: '+';
  font-size: 20px;
  color: #0e6b68;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

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

.faq-item summary:hover {
  color: #0e6b68;
}

.faq-item p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
  padding: 8px 0 12px;
}

.faq-more {
  max-width: 1200px;
  margin: 24px auto 0;
  padding: 0 24px;
  text-align: center;
}

/* 机构信息与知识入口 */
.institution-entry-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.institution-info h2 {
  font-size: 22px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 12px;
}

.institution-info p {
  font-size: 15px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-bottom: 12px;
}

.institution-actions p {
  font-size: 15px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-bottom: 16px;
}

.institution-actions .btn-primary,
.institution-actions .btn-secondary {
  margin-right: 12px;
  margin-bottom: 8px;
}

/* ============================================================
   服务矩阵页
   ============================================================ */
.page-services {
  background-color: #fafcfc;
}

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

.service-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

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

.service-card-head .service-icon {
  margin-bottom: 0;
  flex-shrink: 0;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.service-tags .tag {
  font-size: 13px;
  color: #0e6b68;
  background-color: #e8f0f1;
  padding: 4px 10px;
  border-radius: 4px;
}

.service-figure {
  margin: 32px 0;
  border-radius: 8px;
  overflow: hidden;
  background-color: #e8f0f1;
  aspect-ratio: 16 / 8;
}

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

.delivery-section {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 28px;
}

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

.delivery-item {
  background-color: #fafcfc;
  border: 1px solid #e3ecec;
  border-radius: 6px;
  padding: 16px;
}

.delivery-item h3 {
  font-size: 15px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 6px;
}

.delivery-item p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
}

/* 侧栏 */
.sidebar-block {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
}

.sidebar-block h2 {
  font-size: 17px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e3ecec;
}

.scenario-tag-list li {
  margin-bottom: 8px;
}

.scenario-tag-list a {
  display: block;
  padding: 8px 12px;
  background-color: #fafcfc;
  border: 1px solid #e3ecec;
  border-radius: 6px;
  font-size: 14px;
  color: #2b3333;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.scenario-tag-list a:hover {
  border-color: #0e6b68;
  color: #0e6b68;
}

.sidebar-note {
  font-size: 13px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-top: 12px;
}

.sidebar-cta p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-bottom: 16px;
}

.sidebar-cta .btn-primary {
  width: 100%;
  text-align: center;
}

/* ============================================================
   舆情词库页
   ============================================================ */
.page-knowledge {
  background-color: #fafcfc;
}

.layout-with-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 40px;
  align-items: start;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.term-directory {
  margin-bottom: 40px;
}

.term-directory h2,
.concept-list h2,
.topic-paths h2 {
  font-size: 20px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 8px;
}

.term-directory > p,
.concept-list > p,
.topic-paths > p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-bottom: 20px;
}

.term-list {
  border-top: 1px solid #e3ecec;
}

.term-item {
  padding: 16px 0;
  border-bottom: 1px solid #e3ecec;
}

.term-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 4px;
}

.term-item p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.concept-card {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 20px;
}

.concept-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 8px;
}

.concept-card p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-bottom: 12px;
}

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

.concept-tags li a {
  font-size: 13px;
  color: #0e6b68;
  background-color: #e8f0f1;
  padding: 4px 10px;
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

.concept-tags li a:hover {
  background-color: #d5e3e4;
}

.path-list {
  counter-reset: path-counter;
}

.path-item {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 12px;
  position: relative;
  padding-left: 56px;
}

.path-item::before {
  counter-increment: path-counter;
  content: counter(path-counter);
  position: absolute;
  left: 16px;
  top: 20px;
  width: 28px;
  height: 28px;
  background-color: #0e6b68;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
}

.path-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 6px;
}

.path-item p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
}

.feedback-entry {
  max-width: 1200px;
  margin: 40px auto 0;
  padding: 28px;
  background-color: #e8f0f1;
  border-radius: 8px;
}

.feedback-entry h2 {
  font-size: 17px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 8px;
}

.feedback-entry p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
}

/* 侧栏 */
.sidebar-block .category-tabs {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.category-tabs li a {
  display: block;
  padding: 10px 12px;
  background-color: #fafcfc;
  border: 1px solid #e3ecec;
  border-radius: 6px;
  font-size: 14px;
  color: #2b3333;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.category-tabs li a:hover {
  border-color: #0e6b68;
  color: #0e6b68;
}

.sidebar-figure {
  margin-top: 20px;
  border-radius: 8px;
  overflow: hidden;
  background-color: #e8f0f1;
  aspect-ratio: 4 / 3;
}

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

.sidebar-figure figcaption {
  padding: 8px 12px;
  font-size: 13px;
}

/* ============================================================
   合作流程页
   ============================================================ */
.page-cooperation {
  background-color: #fafcfc;
}

.page-cooperation .page-layout {
  grid-template-columns: minmax(0, 1fr) 280px;
}

.timeline-steps {
  display: block;
}

.timeline-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  margin-bottom: 24px;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 48px;
  bottom: -24px;
  width: 2px;
  background-color: #d5e3e4;
}

.timeline-item:last-child::before {
  display: none;
}

.timeline-marker {
  position: relative;
  z-index: 1;
}

.timeline-marker .step-number {
  width: 48px;
  height: 48px;
  font-size: 18px;
  border-radius: 50%;
  background-color: #0e6b68;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-content {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 24px;
  min-width: 0;
}

.timeline-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 12px;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.timeline-col {
  background-color: #fafcfc;
  border-radius: 6px;
  padding: 12px;
  min-width: 0;
}

.timeline-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #0e6b68;
  margin-bottom: 6px;
}

.timeline-col p {
  font-size: 13px;
  color: #5a6b6b;
  line-height: 1.7;
}

.process-figure {
  margin: 32px 0;
  border-radius: 8px;
  overflow: hidden;
  background-color: #e8f0f1;
  aspect-ratio: 16 / 7;
}

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

.preparation-notes {
  margin-bottom: 40px;
}

.preparation-notes h2,
.next-actions h2 {
  font-size: 20px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 8px;
}

.preparation-notes > p,
.next-actions > p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-bottom: 20px;
}

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

.prep-item {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 20px;
}

.prep-item h3 {
  font-size: 15px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 8px;
}

.prep-item p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
}

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

.action-link-card {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 20px;
  display: block;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.action-link-card:hover {
  border-color: #0e6b68;
  box-shadow: 0 4px 16px rgba(14, 107, 104, 0.08);
}

.action-title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 6px;
}

.action-desc {
  display: block;
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
}

/* 侧栏 */
.aside-block {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
}

.aside-block h2 {
  font-size: 17px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e3ecec;
}

.aside-block p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-bottom: 12px;
}

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

.aside-links a {
  display: block;
  padding: 8px 12px;
  background-color: #fafcfc;
  border: 1px solid #e3ecec;
  border-radius: 6px;
  font-size: 14px;
  color: #2b3333;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.aside-links a:hover {
  border-color: #0e6b68;
  color: #0e6b68;
}

/* ============================================================
   服务场景页
   ============================================================ */
.page-cases {
  background-color: #fafcfc;
}

.page-title-block {
  margin-bottom: 28px;
}

.page-title-block p {
  font-size: 15px;
  color: #5a6b6b;
  line-height: 1.7;
  max-width: 760px;
}

.scenario-cards {
  margin-bottom: 40px;
}

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

.scenario-card {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 20px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.scenario-card:hover {
  border-color: #0e6b68;
  box-shadow: 0 4px 16px rgba(14, 107, 104, 0.08);
}

.scenario-card-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 8px;
}

.scenario-card-body p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-bottom: 8px;
}

.scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.scenario-tags .tag {
  font-size: 13px;
  color: #0e6b68;
  background-color: #e8f0f1;
  padding: 4px 10px;
  border-radius: 4px;
}

.response-path {
  margin-bottom: 40px;
}

.path-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.path-step {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 20px;
  position: relative;
}

.path-step .step-number {
  width: 32px;
  height: 32px;
  font-size: 15px;
  margin-bottom: 12px;
}

.step-content h3 {
  font-size: 15px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 6px;
}

.step-content p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
}

.related-services {
  margin-bottom: 40px;
}

.relation-list {
  border-top: 1px solid #e3ecec;
}

.relation-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid #e3ecec;
}

.relation-scene {
  flex: 1;
  font-size: 15px;
  font-weight: 500;
  color: #2b3333;
}

.relation-arrow {
  color: #9ab0b0;
  font-size: 14px;
}

.relation-item a {
  font-size: 14px;
  color: #0e6b68;
  font-weight: 500;
  white-space: nowrap;
}

.relation-item a:hover {
  text-decoration: underline;
}

.content-media {
  margin: 32px 0;
  border-radius: 8px;
  overflow: hidden;
  background-color: #e8f0f1;
  aspect-ratio: 16 / 7;
}

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

/* 侧栏 */
.sidebar-block .sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sidebar-tags li a {
  display: block;
  padding: 6px 12px;
  background-color: #fafcfc;
  border: 1px solid #e3ecec;
  border-radius: 4px;
  font-size: 13px;
  color: #2b3333;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.sidebar-tags li a:hover {
  border-color: #0e6b68;
  color: #0e6b68;
}

/* ============================================================
   常见问题页
   ============================================================ */
.page-faq {
  background-color: #fafcfc;
}

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

.faq-group {
  margin-bottom: 28px;
}

.faq-group-title {
  font-size: 18px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e3ecec;
}

.faq-list {
  padding: 0;
}

.faq-answer {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
  padding: 8px 0 12px;
}

/* 侧栏 */
.sidebar-card {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
}

.sidebar-card h2 {
  font-size: 17px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e3ecec;
}

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

.sidebar-links a {
  display: block;
  padding: 8px 12px;
  background-color: #fafcfc;
  border: 1px solid #e3ecec;
  border-radius: 6px;
  font-size: 14px;
  color: #2b3333;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.sidebar-links a:hover {
  border-color: #0e6b68;
  color: #0e6b68;
}

/* ============================================================
   机构介绍页
   ============================================================ */
.page-about {
  background-color: #fafcfc;
}

.page-about .layout-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 40px;
  align-items: start;
}

.intro-content {
  margin-bottom: 40px;
}

.intro-block {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 16px;
}

.intro-block h2 {
  font-size: 18px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 10px;
}

.intro-block p {
  font-size: 15px;
  color: #5a6b6b;
  line-height: 1.7;
}

.method-cards {
  margin-bottom: 40px;
}

.method-cards h2 {
  font-size: 20px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 8px;
}

.method-cards .section-desc {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-bottom: 20px;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.method-card {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 24px;
  text-align: center;
}

.method-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: #e8f0f1;
  border-radius: 8px;
  margin-bottom: 16px;
  color: #0e6b68;
  font-size: 22px;
}

.method-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 8px;
}

.method-card p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
}

.method-figure {
  border-radius: 8px;
  overflow: hidden;
  background-color: #e8f0f1;
  aspect-ratio: 16 / 6;
}

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

.knowledge-note {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 24px;
}

.knowledge-note h2 {
  font-size: 18px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 10px;
}

.knowledge-note p {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-bottom: 12px;
}

.knowledge-figure {
  border-radius: 8px;
  overflow: hidden;
  background-color: #e8f0f1;
  aspect-ratio: 16 / 6;
  margin-bottom: 16px;
}

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

.knowledge-link a {
  font-size: 15px;
  font-weight: 500;
  color: #0e6b68;
}

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

/* 侧栏 */
.side-block {
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
}

.side-block h2 {
  font-size: 17px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e3ecec;
}

.side-list li {
  margin-bottom: 8px;
}

.side-list a {
  display: block;
  padding: 8px 12px;
  background-color: #fafcfc;
  border: 1px solid #e3ecec;
  border-radius: 6px;
  font-size: 14px;
  color: #2b3333;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.side-list a:hover {
  border-color: #0e6b68;
  color: #0e6b68;
}

.side-text {
  font-size: 13px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-top: 12px;
}

/* 图标装饰（about 页） */
.icon-arrow,
.icon-bar,
.icon-circle,
.icon-dot,
.icon-line,
.icon-triangle {
  display: inline-block;
  color: #0e6b68;
}

/* ============================================================
   相关链接（内页底部）
   ============================================================ */
.related-links {
  max-width: 1200px;
  margin: 40px auto 0;
  padding: 20px 24px;
  border-top: 1px solid #e3ecec;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: #2b3333;
  margin-right: 8px;
}

.related-links-item {
  font-size: 14px;
  color: #0e6b68;
  padding: 6px 12px;
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 4px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.related-links-item:hover {
  border-color: #0e6b68;
  color: #0e6b68;
}

/* ============================================================
   404 页面
   ============================================================ */
.site-error {
  background-color: #fafcfc;
}

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

.error-panel {
  max-width: 560px;
  text-align: center;
  background-color: #ffffff;
  border: 1px solid #e3ecec;
  border-radius: 8px;
  padding: 48px 40px;
}

.error-panel h1 {
  font-size: 28px;
  font-weight: 600;
  color: #2b3333;
  margin-bottom: 16px;
}

.error-code {
  font-size: 72px;
  font-weight: 600;
  color: #0e6b68;
  line-height: 1;
  margin-bottom: 16px;
}

.error-desc {
  font-size: 16px;
  color: #5a6b6b;
  line-height: 1.7;
  margin-bottom: 24px;
}

.btn-back {
  display: inline-block;
  padding: 12px 28px;
  background-color: #0e6b68;
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
  margin-bottom: 24px;
}

.btn-back:hover {
  background-color: #0a514f;
  color: #ffffff;
}

.error-help {
  font-size: 14px;
  color: #5a6b6b;
  line-height: 1.7;
}

.error-help a {
  color: #0e6b68;
  margin: 0 8px;
}

.error-help a:hover {
  text-decoration: underline;
}

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

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

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

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

  .page-layout,
  .page-layout.sidebar-right,
  .layout-with-sidebar,
  .page-about .layout-shell,
  .page-cooperation .page-layout {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 24px;
  }

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

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

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

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

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

  .brand-tagline {
    font-size: 11px;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav .nav-list {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: #ffffff;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
    border-bottom: 1px solid #e3ecec;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.06);
    display: none;
    gap: 0;
  }

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

  .nav-link {
    padding: 12px 8px;
    border-radius: 4px;
  }

  .site-header {
    position: relative;
  }

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

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

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

  .content-media-primary {
    padding: 0 16px 24px;
  }

  .service-matrix-section,
  .scenes-summary-section,
  .institution-entry-section {
    padding: 32px 16px;
  }

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

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

  .cooperation-timeline-section {
    padding: 32px 0;
  }

  .cooperation-timeline-section .section-heading,
  .faq-teaser-section .section-heading {
    padding: 0 16px;
  }

  .timeline-steps {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 0 16px;
  }

  .timeline-more,
  .faq-more {
    padding: 0 16px;
  }

  .faq-teaser-section {
    padding: 32px 0;
  }

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

  .institution-entry-section {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .footer-bottom {
    padding: 16px;
  }

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

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

  .page-title-wrap,
  .page-title-section {
    padding: 24px 0;
    margin-bottom: 24px;
  }

  .page-title-wrap .page-intro,
  .page-title-section p {
    padding: 0 16px;
  }

  .inner-main .breadcrumb {
    padding: 0 16px;
    margin-top: 16px;
  }

  .inner-main .page-header {
    padding: 0 16px;
    margin-bottom: 20px;
  }

  .page-layout,
  .page-layout.sidebar-right,
  .layout-with-sidebar,
  .page-about .layout-shell,
  .page-cooperation .page-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

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

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

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

  .delivery-section {
    padding: 20px;
  }

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

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

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

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

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

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

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

  .timeline-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }

  .timeline-marker .step-number {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

  .timeline-item::before {
    left: 19px;
  }

  .timeline-content {
    padding: 16px;
  }

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

  .feedback-entry {
    margin: 24px 16px 0;
    padding: 20px;
  }

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

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

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

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

@media (max-width: 480px) {
  .brand-tagline {
    display: none;
  }

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

  .section-heading h2 {
    font-size: 20px;
  }

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

  .service-card {
    padding: 18px;
  }

  .scene-card {
    padding: 18px;
  }

  .path-item {
    padding-left: 48px;
  }

  .path-item::before {
    left: 12px;
    width: 24px;
    height: 24px;
    font-size: 13px;
  }

  .timeline-item {
    grid-template-columns: 36px minmax(0, 1fr);
  }

  .timeline-marker .step-number {
    width: 36px;
    height: 36px;
    font-size: 15px;
  }

  .timeline-item::before {
    left: 17px;
  }

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

/* 滚动出现动画（不影响初始可见性，仅作为增强） */
@media (prefers-reduced-motion: no-preference) {
  .service-card,
  .scene-card,
  .timeline-step,
  .path-step,
  .method-card,
  .concept-card,
  .prep-item,
  .action-link-card,
  .scenario-card {
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  }
}