/* ============================================================
   BASE — 全局基础样式
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #1a1a1a;
  background-color: #ffffff;
}

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

a {
  color: #2f6f6f;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #1f4f4f;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5em;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.3;
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

p {
  margin: 0 0 1em;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

dl {
  margin: 0;
}

dt, dd {
  margin: 0;
}

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

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

figure {
  margin: 0;
}

figcaption {
  font-size: 14px;
  color: #3b3b3b;
  line-height: 1.5;
}

.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;
}

/* ============================================================
   LAYOUT — 全站统一布局骨架
   ============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid #e8e8e8;
  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: 64px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
  letter-spacing: 0;
  flex-shrink: 0;
}

.brand-link:hover {
  color: #2f6f6f;
}

.brand-name {
  display: inline-block;
}

.main-nav {
  display: flex;
  align-items: center;
}

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

.nav-link {
  display: inline-block;
  padding: 8px 14px;
  font-size: 15px;
  color: #3b3b3b;
  border-radius: 4px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
  color: #2f6f6f;
  background-color: #e8f1f1;
}

.nav-link.is-current {
  color: #2f6f6f;
  font-weight: 600;
  background-color: #e8f1f1;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: 4px;
}

.toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #1a1a1a;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 面包屑 */
.breadcrumb {
  font-size: 14px;
  color: #3b3b3b;
  margin-bottom: 16px;
}

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

.breadcrumb-list li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb-list a {
  color: #2f6f6f;
}

.breadcrumb-sep {
  color: #999999;
  margin: 0 4px;
}

.breadcrumb-current {
  color: #3b3b3b;
}

.breadcrumb-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px 0;
}

.breadcrumb-nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px 0;
  font-size: 14px;
}

/* ============================================================
   COMPONENTS — 通用组件
   ============================================================ */
/* 按钮 */
.btn-primary {
  display: inline-block;
  padding: 12px 28px;
  background-color: #2f6f6f;
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid #2f6f6f;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.btn-primary:hover {
  background-color: #1f4f4f;
  border-color: #1f4f4f;
  color: #ffffff;
}

.btn-secondary {
  display: inline-block;
  padding: 12px 28px;
  background-color: transparent;
  color: #2f6f6f;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid #2f6f6f;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.btn-secondary:hover {
  background-color: #e8f1f1;
  color: #1f4f4f;
}

.btn-back {
  display: inline-block;
  padding: 12px 28px;
  background-color: #2f6f6f;
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid #2f6f6f;
  transition: background-color 0.2s ease;
}

.btn-back:hover {
  background-color: #1f4f4f;
  color: #ffffff;
}

/* 区块标题 */
.section-header {
  margin-bottom: 32px;
}

.section-header h2 {
  margin-bottom: 8px;
}

.section-header p {
  color: #3b3b3b;
  font-size: 15px;
  margin-bottom: 0;
}

/* 卡片通用 */
.service-card,
.faq-preview-card,
.sidebar-card,
.entry-card {
  background-color: #ffffff;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.service-card:hover,
.faq-preview-card:hover,
.entry-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

/* 表格通用 */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid #e8e8e8;
  border-radius: 6px;
}

.service-table th,
.service-table td,
.data-table th,
.data-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid #e8e8e8;
}

.service-table thead th,
.data-table thead th {
  background-color: #f7f7f7;
  font-weight: 600;
  color: #1a1a1a;
  white-space: nowrap;
}

.service-table tbody tr:last-child td,
.data-table tbody tr:last-child td {
  border-bottom: none;
}

.service-table tbody tr:hover,
.data-table tbody tr:hover {
  background-color: #f7f7f7;
}

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

/* 相关链接 */
.related-links {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid #e8e8e8;
}

.related-links h2 {
  font-size: 18px;
  margin-bottom: 16px;
}

.related-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.related-links li a {
  display: inline-block;
  padding: 8px 16px;
  background-color: #f7f7f7;
  border-radius: 4px;
  font-size: 14px;
  color: #2f6f6f;
  transition: background-color 0.2s ease;
}

.related-links li a:hover {
  background-color: #e8f1f1;
}

/* 图片容器 */
.content-figure,
.process-figure,
.faq-figure {
  margin: 32px 0;
}

.content-figure img,
.process-figure img,
.faq-figure img {
  width: 100%;
  height: auto;
  border-radius: 6px;
}

.content-figure figcaption,
.process-figure figcaption,
.faq-figure figcaption {
  margin-top: 8px;
  color: #3b3b3b;
  font-size: 14px;
}

/* ============================================================
   HEADER / FOOTER 固定骨架
   ============================================================ */
.site-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px;
}

.inner-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px;
}

.home-main {
  padding-top: 0;
}

.site-footer {
  background-color: #f7f7f7;
  border-top: 1px solid #e8e8e8;
  margin-top: 64px;
}

.footer-top {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand-name {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.footer-brand p {
  color: #3b3b3b;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 0;
}

.footer-col h3 {
  font-size: 15px;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.footer-col ul li {
  margin-bottom: 6px;
}

.footer-col ul li a {
  font-size: 14px;
  color: #3b3b3b;
  transition: color 0.2s ease;
}

.footer-col ul li a:hover {
  color: #2f6f6f;
}

.footer-bottom {
  border-top: 1px solid #e8e8e8;
}

.footer-bottom p {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  font-size: 13px;
  color: #3b3b3b;
  text-align: left;
}

/* ============================================================
   PAGES — 首页
   ============================================================ */
/* Hero */
.hero-section {
  background-color: #f7f7f7;
  border-bottom: 1px solid #e8e8e8;
  padding: 64px 0;
}

.hero-section .hero-content,
.hero-section .hero-media {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-section .hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: #2f6f6f;
  background-color: #e8f1f1;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 17px;
  color: #3b3b3b;
  line-height: 1.7;
  margin-bottom: 24px;
}

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

.hero-media {
  margin-top: 0;
}

.hero-figure img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

/* 服务摘要 */
.service-summary-section {
  padding: 64px 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

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

.card-image-wrap {
  overflow: hidden;
  border-radius: 8px 8px 0 0;
}

.card-image-wrap img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.card-body {
  padding: 20px;
}

.card-body h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.card-body p {
  font-size: 14px;
  color: #3b3b3b;
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-link {
  font-size: 14px;
  font-weight: 600;
  color: #2f6f6f;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-link:hover {
  color: #1f4f4f;
}

/* 流程摘要 */
.process-summary-section {
  background-color: #f7f7f7;
  padding: 64px 0;
}

.process-summary-section .section-header {
  max-width: 1200px;
  margin: 0 auto 40px;
  padding: 0 24px;
}

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

.process-step {
  background-color: #ffffff;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  padding: 24px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: #e8f1f1;
  color: #2f6f6f;
  font-size: 16px;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 12px;
}

.process-step h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 14px;
  color: #3b3b3b;
  line-height: 1.6;
  margin-bottom: 0;
}

.process-cta {
  max-width: 1200px;
  margin: 32px auto 0;
  padding: 0 24px;
  text-align: left;
}

/* 活动摘要 */
.activity-summary-section {
  padding: 64px 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

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

.activity-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 24px;
  background-color: #f7f7f7;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  transition: box-shadow 0.2s ease;
}

.activity-item:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.activity-info {
  flex: 1;
}

.activity-type {
  display: inline-block;
  font-size: 13px;
  color: #2f6f6f;
  background-color: #e8f1f1;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.activity-info h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.activity-info p {
  font-size: 14px;
  color: #3b3b3b;
  margin-bottom: 0;
}

.activity-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.activity-tag {
  font-size: 13px;
  color: #3b3b3b;
  background-color: #ffffff;
  border: 1px solid #e8e8e8;
  padding: 4px 10px;
  border-radius: 4px;
}

.activity-link {
  font-size: 14px;
  font-weight: 600;
  color: #2f6f6f;
}

.activity-link:hover {
  color: #1f4f4f;
}

/* FAQ 预览 */
.faq-preview-section {
  background-color: #f7f7f7;
  padding: 64px 0;
}

.faq-preview-section .section-header {
  max-width: 1200px;
  margin: 0 auto 32px;
  padding: 0 24px;
}

.faq-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.faq-preview-card {
  padding: 24px;
}

.faq-preview-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.faq-preview-card p {
  font-size: 14px;
  color: #3b3b3b;
  line-height: 1.6;
  margin-bottom: 12px;
}

.faq-more-link {
  max-width: 1200px;
  margin: 32px auto 0;
  padding: 0 24px;
  text-align: left;
}

/* 反馈入口 */
.feedback-entry-section {
  padding: 64px 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.feedback-entry-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background-color: #e8f1f1;
  border-radius: 8px;
  padding: 40px;
}

.feedback-text h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.feedback-text p {
  font-size: 15px;
  color: #3b3b3b;
  margin-bottom: 0;
}

.feedback-actions {
  flex-shrink: 0;
}

/* ============================================================
   PAGES — 内页通用
   ============================================================ */
.page-header {
  margin-bottom: 16px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 0;
}

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

.page-lead {
  font-size: 16px;
  color: #3b3b3b;
  line-height: 1.7;
  margin-bottom: 0;
}

.page-heading {
  margin-bottom: 32px;
}

.page-heading p {
  font-size: 16px;
  color: #3b3b3b;
  line-height: 1.7;
  margin-bottom: 0;
}

/* 侧栏布局 */
.page-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 24px 0;
  align-items: start;
}

.page-layout .page-sidebar {
  grid-column: 1;
  grid-row: 1;
}

.page-layout .inner-main {
  grid-column: 2;
  grid-row: 1;
  padding: 0;
  max-width: none;
}

/* 侧栏 */
.page-sidebar {
  position: sticky;
  top: 88px;
}

.sidebar-block {
  background-color: #f7f7f7;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-block h2 {
  font-size: 16px;
  margin-bottom: 16px;
}

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

.sidebar-links li a {
  font-size: 14px;
  color: #3b3b3b;
  transition: color 0.2s ease;
}

.sidebar-links li a:hover {
  color: #2f6f6f;
}

.sidebar-note {
  font-size: 13px;
  color: #3b3b3b;
  line-height: 1.6;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #e8e8e8;
}

.sidebar-card {
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-card h2 {
  font-size: 16px;
  margin-bottom: 8px;
}

.sidebar-card p {
  font-size: 14px;
  color: #3b3b3b;
  line-height: 1.6;
  margin-bottom: 12px;
}

.sidebar-link {
  font-size: 14px;
  font-weight: 600;
  color: #2f6f6f;
}

.sidebar-link:hover {
  color: #1f4f4f;
}

/* 内容区块 */
.content-block {
  margin-bottom: 48px;
}

.content-block h2 {
  margin-bottom: 16px;
}

.content-block p {
  color: #3b3b3b;
  line-height: 1.7;
}

.content-section {
  margin-bottom: 48px;
}

.content-section h2 {
  margin-bottom: 16px;
}

.content-section p {
  color: #3b3b3b;
  line-height: 1.7;
}

/* ============================================================
   PAGES — 服务边界页
   ============================================================ */
.boundary-list {
  margin: 16px 0;
}

.boundary-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 14px;
  color: #3b3b3b;
  line-height: 1.6;
}

.boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background-color: #2f6f6f;
  border-radius: 50%;
}

.standard-list {
  margin: 16px 0;
}

.standard-list li {
  padding: 12px 16px;
  background-color: #f7f7f7;
  border-left: 3px solid #2f6f6f;
  margin-bottom: 12px;
  font-size: 14px;
  color: #3b3b3b;
  line-height: 1.6;
}

/* ============================================================
   PAGES — 合作流程页
   ============================================================ */
.process-section {
  margin-bottom: 48px;
}

.process-section h2 {
  margin-bottom: 8px;
}

.section-lead {
  font-size: 15px;
  color: #3b3b3b;
  line-height: 1.7;
  margin-bottom: 32px;
}

.process-timeline {
  position: relative;
  padding-left: 0;
}

.process-timeline .process-step {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border: none;
  border-bottom: 1px solid #e8e8e8;
  border-radius: 0;
  background: transparent;
}

.process-timeline .process-step:last-child {
  border-bottom: none;
}

.step-marker {
  flex-shrink: 0;
}

.process-timeline .step-number {
  width: 40px;
  height: 40px;
  font-size: 18px;
  margin-bottom: 0;
}

.step-content {
  flex: 1;
}

.step-content h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 14px;
  color: #3b3b3b;
  line-height: 1.6;
  margin-bottom: 12px;
}

.step-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background-color: #f7f7f7;
  border-radius: 6px;
  padding: 12px 16px;
}

.meta-row {
  display: flex;
  gap: 8px;
  font-size: 14px;
}

.meta-row dt {
  font-weight: 600;
  color: #1a1a1a;
  flex-shrink: 0;
}

.meta-row dd {
  color: #3b3b3b;
}

.responsibility-section {
  margin-bottom: 48px;
}

.responsibility-section h2 {
  margin-bottom: 8px;
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid #e8e8e8;
  font-size: 14px;
}

/* ============================================================
   PAGES — FAQ 页
   ============================================================ */
.faq-section {
  margin-bottom: 48px;
}

.faq-section h2 {
  font-size: 20px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e8e8e8;
}

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

.faq-item {
  border: 1px solid #e8e8e8;
  border-radius: 6px;
  background-color: #ffffff;
}

.faq-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: #1a1a1a;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: #2f6f6f;
  flex-shrink: 0;
}

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

.faq-item[open] summary {
  border-bottom: 1px solid #e8e8e8;
}

.faq-answer {
  padding: 16px 20px;
}

.faq-answer p {
  font-size: 14px;
  color: #3b3b3b;
  line-height: 1.7;
  margin-bottom: 0;
}

/* ============================================================
   PAGES — 活动页
   ============================================================ */
.activity-list-section {
  margin-bottom: 48px;
}

.activity-list-section h2 {
  margin-bottom: 8px;
}

.activity-list-section > p {
  font-size: 15px;
  color: #3b3b3b;
  margin-bottom: 32px;
}

.activity-list-section .activity-item {
  display: flex;
  gap: 24px;
  padding: 24px;
  background-color: #ffffff;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  margin-bottom: 20px;
  align-items: flex-start;
}

.activity-media {
  flex-shrink: 0;
  width: 240px;
}

.activity-img {
  width: 240px;
  height: 160px;
  object-fit: cover;
  border-radius: 6px;
}

.activity-content {
  flex: 1;
}

.activity-content h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.activity-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.tag {
  display: inline-block;
  font-size: 13px;
  color: #2f6f6f;
  background-color: #e8f1f1;
  padding: 2px 8px;
  border-radius: 4px;
}

.date {
  font-size: 13px;
  color: #3b3b3b;
  line-height: 1.6;
}

.activity-content p {
  font-size: 14px;
  color: #3b3b3b;
  line-height: 1.6;
  margin-bottom: 8px;
}

.participation-guide {
  margin-bottom: 48px;
}

.participation-guide h2 {
  margin-bottom: 8px;
}

.participation-guide > p {
  font-size: 15px;
  color: #3b3b3b;
  margin-bottom: 24px;
}

.guide-steps {
  counter-reset: guide;
}

.guide-steps li {
  position: relative;
  padding: 20px 24px 20px 72px;
  background-color: #f7f7f7;
  border-radius: 6px;
  margin-bottom: 16px;
  counter-increment: guide;
}

.guide-steps li::before {
  content: counter(guide);
  position: absolute;
  left: 20px;
  top: 20px;
  width: 32px;
  height: 32px;
  background-color: #2f6f6f;
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.guide-steps h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.guide-steps p {
  font-size: 14px;
  color: #3b3b3b;
  line-height: 1.6;
  margin-bottom: 0;
}

.discussion-entry {
  margin-bottom: 48px;
}

.discussion-entry h2 {
  margin-bottom: 8px;
}

.discussion-entry > p {
  font-size: 15px;
  color: #3b3b3b;
  margin-bottom: 24px;
}

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

.entry-card {
  padding: 24px;
}

.entry-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.entry-card p {
  font-size: 14px;
  color: #3b3b3b;
  line-height: 1.6;
  margin-bottom: 8px;
}

/* ============================================================
   PAGES — 反馈页
   ============================================================ */
.feedback-methods {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 24px 0;
}

.method-item {
  background-color: #f7f7f7;
  border: 1px solid #e8e8e8;
  border-radius: 6px;
  padding: 20px;
}

.method-item h3 {
  font-size: 15px;
  margin-bottom: 8px;
}

.method-item p {
  font-size: 14px;
  color: #3b3b3b;
  line-height: 1.6;
  margin-bottom: 0;
}

.preparation-list {
  margin: 16px 0;
}

.preparation-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 14px;
  color: #3b3b3b;
  line-height: 1.6;
}

.preparation-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background-color: #2f6f6f;
  border-radius: 50%;
}

.efficiency-list {
  margin: 16px 0;
}

.efficiency-list li {
  padding: 12px 16px;
  background-color: #f7f7f7;
  border-radius: 6px;
  margin-bottom: 12px;
  font-size: 14px;
  color: #3b3b3b;
  line-height: 1.6;
}

.efficiency-list strong {
  color: #1a1a1a;
  font-weight: 600;
}

.note-text {
  font-size: 14px;
  color: #3b3b3b;
  background-color: #f7f7f7;
  border-left: 3px solid #c9a86a;
  padding: 12px 16px;
  border-radius: 0 4px 4px 0;
  line-height: 1.6;
}

/* ============================================================
   PAGES — 404 页
   ============================================================ */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 64px 24px;
}

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

.error-code {
  font-size: 64px;
  font-weight: 700;
  color: #2f6f6f;
  line-height: 1;
  margin-bottom: 16px;
}

.error-panel h1 {
  font-size: 24px;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: #3b3b3b;
  line-height: 1.7;
  margin-bottom: 24px;
}

/* ============================================================
   RESPONSIVE — 响应式断点
   ============================================================ */
@media (max-width: 1024px) {
  .hero-section .hero-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .page-layout {
    grid-template-columns: 240px 1fr;
    gap: 24px;
  }

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

@media (max-width: 768px) {
  .header-inner {
    height: 56px;
    padding: 0 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: static;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background-color: #ffffff;
    border-bottom: 1px solid #e8e8e8;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
    gap: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  }

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

  .nav-link {
    display: block;
    padding: 12px 8px;
    font-size: 16px;
    border-radius: 4px;
  }

  .nav-link.is-current {
    background-color: #e8f1f1;
  }

  .site-main,
  .inner-main {
    padding: 32px 16px;
  }

  .home-main {
    padding-top: 0;
  }

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

  .hero-section .hero-content,
  .hero-section .hero-media {
    padding: 0 16px;
  }

  .service-summary-section,
  .activity-summary-section,
  .feedback-entry-section {
    padding: 48px 16px;
  }

  .service-card-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .process-summary-section {
    padding: 48px 0;
  }

  .process-summary-section .section-header,
  .process-steps,
  .process-cta,
  .faq-preview-section .section-header,
  .faq-preview-grid,
  .faq-more-link {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .activity-item {
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }

  .activity-meta {
    width: 100%;
    justify-content: space-between;
  }

  .faq-preview-grid {
    grid-template-columns: 1fr;
  }

  .feedback-entry-inner {
    flex-direction: column;
    gap: 24px;
    padding: 24px;
    text-align: left;
    align-items: flex-start;
  }

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

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

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

  .page-layout {
    display: flex;
    flex-direction: column;
    padding: 16px 16px 0;
    gap: 0;
  }

  .page-layout .page-sidebar {
    order: 2;
    position: static;
    width: 100%;
    margin-top: 32px;
  }

  .page-layout .inner-main {
    order: 1;
    width: 100%;
    padding: 0;
  }

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

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

  .page-title-area {
    margin-bottom: 24px;
  }

  .content-block,
  .content-section,
  .faq-section,
  .process-section,
  .responsibility-section,
  .activity-list-section,
  .participation-guide,
  .discussion-entry {
    margin-bottom: 40px;
  }

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

  .meta-row {
    flex-direction: column;
    gap: 2px;
  }

  .activity-list-section .activity-item {
    flex-direction: column;
  }

  .activity-media {
    width: 100%;
  }

  .activity-img {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
  }

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

  .feedback-methods {
    grid-template-columns: 1fr;
  }

  .related-links ul {
    flex-direction: column;
  }

  .related-links li a {
    display: block;
  }

  .table-wrapper,
  .table-scroll {
    overflow-x: auto;
  }

  .service-table,
  .data-table {
    min-width: 640px;
  }

  .error-main {
    min-height: 50vh;
    padding: 48px 16px;
  }

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

@media (max-width: 480px) {
  html {
    font-size: 15px;
  }

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

  .header-inner {
    padding: 0 12px;
  }

  .site-main,
  .inner-main {
    padding: 24px 12px;
  }

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

  .hero-section .hero-content,
  .hero-section .hero-media {
    padding: 0 12px;
  }

  .hero-lead {
    font-size: 16px;
  }

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

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

  .service-summary-section,
  .activity-summary-section,
  .feedback-entry-section {
    padding: 40px 12px;
  }

  .process-summary-section {
    padding: 40px 0;
  }

  .process-summary-section .section-header,
  .process-steps,
  .process-cta,
  .faq-preview-section .section-header,
  .faq-preview-grid,
  .faq-more-link {
    padding-left: 12px;
    padding-right: 12px;
  }

  .process-step {
    padding: 20px;
  }

  .activity-info h3 {
    font-size: 15px;
  }

  .activity-tag {
    font-size: 12px;
    padding: 3px 8px;
  }

  .activity-link {
    font-size: 13px;
  }

  .faq-preview-card {
    padding: 20px;
  }

  .feedback-entry-inner {
    padding: 20px;
  }

  .feedback-text h2 {
    font-size: 20px;
  }

  .btn-primary,
  .btn-secondary {
    padding: 10px 24px;
    font-size: 14px;
  }

  .breadcrumb-wrap,
  .breadcrumb-nav {
    padding: 10px 12px 0;
  }

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

  .page-lead,
  .page-heading p {
    font-size: 15px;
  }

  .section-header h2,
  .content-block h2,
  .content-section h2,
  .process-section h2,
  .responsibility-section h2,
  .faq-section h2,
  .activity-list-section h2,
  .participation-guide h2,
  .discussion-entry h2 {
    font-size: 20px;
  }

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

  .faq-answer {
    padding: 14px 16px;
  }

  .guide-steps li {
    padding: 16px 16px 16px 60px;
  }

  .guide-steps li::before {
    left: 16px;
    width: 28px;
    height: 28px;
    font-size: 14px;
  }

  .entry-card,
  .method-item {
    padding: 16px;
  }

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

  .footer-col h3 {
    font-size: 14px;
  }

  .footer-col ul li a {
    font-size: 13px;
  }

  .related-links {
    margin-top: 32px;
    padding-top: 24px;
  }
}