/* ============================================================
   BASE — 全局基础样式
   ============================================================ */
*,
*::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: -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #1f2937;
  background-color: #ffffff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: #2d6da3;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #1f4d7a;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.4;
  color: #1f2937;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 18px;
}

p {
  color: #4b5563;
}

/* ============================================================
   LAYOUT — 全站统一布局骨架
   ============================================================ */

.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 20px;
  font-weight: 600;
  color: #1f2937;
  letter-spacing: 0;
}

.brand-tag {
  font-size: 12px;
  color: #9ca3af;
  white-space: nowrap;
}

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

.nav-item {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: #4b5563;
  border-radius: 6px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-item:hover {
  background-color: #f5f7fa;
  color: #2d6da3;
}

.nav-item.is-current {
  background-color: #eef3f8;
  color: #2d6da3;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  cursor: pointer;
}

.toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #1f2937;
  border-radius: 1px;
  margin: 0 auto;
}

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

.site-footer {
  background-color: #f5f7fa;
  border-top: 1px solid #e5e7eb;
  margin-top: 0;
  flex-shrink: 0;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 48px;
}

.footer-col h3 {
  font-size: 15px;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 12px;
}

.footer-col p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.8;
}

.footer-bottom {
  border-top: 1px solid #e5e7eb;
  padding: 16px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: #9ca3af;
  max-width: 1200px;
  margin: 0 auto;
}

/* ============================================================
   COMPONENTS — 通用组件
   ============================================================ */

/* 面包屑 */
.breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px 0;
  font-size: 13px;
  color: #9ca3af;
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb a {
  color: #2d6da3;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-sep {
  color: #d1d5db;
}

.breadcrumb-current {
  color: #6b7280;
}

/* 面包屑导航（列表形式） */
.breadcrumb-nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px 0;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #9ca3af;
}

.breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-list a {
  color: #2d6da3;
}

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

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  min-height: 44px;
}

.btn-primary {
  background-color: #2d6da3;
  color: #ffffff;
  border-color: #2d6da3;
}

.btn-primary:hover {
  background-color: #1f4d7a;
  border-color: #1f4d7a;
  color: #ffffff;
}

.btn-secondary {
  background-color: #ffffff;
  color: #2d6da3;
  border-color: #2d6da3;
}

.btn-secondary:hover {
  background-color: #eef3f8;
  color: #1f4d7a;
  border-color: #1f4d7a;
}

/* 文字链接 */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  color: #2d6da3;
}

.text-link:hover {
  color: #1f4d7a;
  text-decoration: underline;
}

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

.section-header h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.section-header p {
  font-size: 15px;
  color: #6b7280;
  max-width: 720px;
}

/* 折叠面板 */
.faq-item {
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  background-color: #ffffff;
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  color: #1f2937;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 48px;
  transition: background-color 0.2s ease;
}

.faq-item summary:hover {
  background-color: #f9fafb;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: #2d6da3;
  font-weight: 400;
}

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

.faq-item p {
  padding: 0 20px 16px;
  font-size: 14px;
  color: #4b5563;
  line-height: 1.8;
}

/* 相关页面侧栏通用 */
.aside-bar,
.sidebar-content {
  background-color: #f5f7fa;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 24px;
}

.aside-bar h2,
.sidebar-content h2 {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e5e7eb;
}

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

.aside-link-item {
  display: block;
  padding: 14px 16px;
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.aside-link-item:hover {
  border-color: #2d6da3;
  box-shadow: 0 2px 8px rgba(45, 109, 163, 0.08);
}

.aside-link-item h3 {
  font-size: 14px;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 4px;
}

.aside-link-item p {
  font-size: 13px;
  color: #6b7280;
  line-height: 1.6;
}

/* 图片容器通用约束 */
figure {
  margin: 0;
}

figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 6px;
}

figcaption {
  font-size: 13px;
  color: #9ca3af;
  padding: 8px 4px 0;
  line-height: 1.6;
}

/* ============================================================
   PAGES — 首页
   ============================================================ */

/* ---- 首屏 hero ---- */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px 48px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-content h1 {
  font-size: 30px;
  line-height: 1.4;
  margin-bottom: 16px;
}

.hero-sub {
  font-size: 16px;
  color: #4b5563;
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 520px;
}

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

.hero-media img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

/* ---- 服务路径 ---- */
.service-path {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
}

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

.path-card {
  display: block;
  padding: 24px 20px;
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.path-card:hover {
  border-color: #2d6da3;
  box-shadow: 0 4px 16px rgba(45, 109, 163, 0.08);
}

.path-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 6px;
  background-color: #eef3f8;
  color: #2d6da3;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 14px;
}

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

.path-card p {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.7;
}

/* ---- 任务分组 ---- */
.task-groups {
  background-color: #f5f7fa;
  border-top: 1px solid #e5e7eb;
  border-bottom: 1px solid #e5e7eb;
  padding: 48px 0;
}

.task-groups .section-header,
.task-groups .task-group-row {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.task-group-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
  padding-top: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid #e5e7eb;
}

.task-group-row:last-child {
  border-bottom: none;
}

.task-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #2d6da3;
  background-color: #eef3f8;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.task-group-text h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.task-goal {
  font-size: 15px;
  color: #4b5563;
  margin-bottom: 14px;
}

.task-works {
  margin-bottom: 14px;
}

.task-works li {
  font-size: 14px;
  color: #4b5563;
  padding-left: 20px;
  position: relative;
  margin-bottom: 6px;
  line-height: 1.7;
}

.task-works li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #2d6da3;
}

.task-deliverable {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 14px;
}

.task-deliverable strong {
  color: #1f2937;
  font-weight: 600;
}

.task-group-media img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

/* ---- 合作流程预览 ---- */
.process-preview {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.step-item {
  background-color: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 20px 16px;
  min-height: 120px;
}

.step-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: #e5e7eb;
  color: #6b7280;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
}

.step-item:nth-child(1) .step-marker,
.step-item:nth-child(2) .step-marker {
  background-color: #2f7d4f;
  color: #ffffff;
}

.step-item:nth-child(3) .step-marker {
  background-color: #d97706;
  color: #ffffff;
}

.step-body h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.step-body p {
  font-size: 13px;
  color: #6b7280;
  line-height: 1.6;
}

.process-link {
  text-align: center;
  margin-top: 8px;
}

/* ---- 资料与政策入口 ---- */
.resource-policy-entry {
  background-color: #f5f7fa;
  border-top: 1px solid #e5e7eb;
  border-bottom: 1px solid #e5e7eb;
  padding: 48px 0;
}

.resource-policy-entry {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  background-color: transparent;
  border: none;
}

.entry-column {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 28px;
}

.entry-column h2 {
  font-size: 18px;
  margin-bottom: 10px;
}

.entry-column > p {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 20px;
  line-height: 1.7;
}

.entry-item {
  border-top: 1px solid #e5e7eb;
  padding: 16px 0;
}

.entry-item h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.entry-item p {
  font-size: 14px;
  color: #4b5563;
  margin-bottom: 8px;
  line-height: 1.7;
}

/* ---- 常见问题摘要 ---- */
.faq-summary {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 860px;
}

.faq-more {
  margin-top: 20px;
}

/* ---- 关于我们摘要 ---- */
.about-summary {
  background-color: #f5f7fa;
  border-top: 1px solid #e5e7eb;
  padding: 48px 0;
}

.about-text {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.about-text h2 {
  font-size: 22px;
  margin-bottom: 12px;
}

.about-text p {
  font-size: 15px;
  color: #4b5563;
  max-width: 860px;
  margin-bottom: 12px;
  line-height: 1.8;
}

.boundary-note {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-left: 4px solid #2d6da3;
  border-radius: 6px;
  padding: 14px 18px;
  font-size: 14px;
  color: #4b5563;
  margin-bottom: 16px;
}

/* ============================================================
   PAGES — 内页通用
   ============================================================ */

.inner-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 64px;
  width: 100%;
  flex: 1 0 auto;
}

.page-title-block {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 0 8px;
}

.page-title-block p {
  font-size: 15px;
  color: #6b7280;
  line-height: 1.8;
  max-width: 860px;
}

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

.page-title {
  font-size: 28px;
  color: #1f2937;
}

.page-lead {
  font-size: 15px;
  color: #6b7280;
  line-height: 1.8;
  max-width: 860px;
  margin-bottom: 24px;
}

/* 双栏布局（service / faq） */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px;
  align-items: start;
}

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

.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 64px;
}

.layout-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px;
  align-items: start;
}

/* ============================================================
   PAGES — 服务能力页
   ============================================================ */

.service-matrix {
  margin-bottom: 48px;
}

.service-matrix > h2 {
  margin-bottom: 8px;
}

.service-matrix > p {
  font-size: 15px;
  color: #6b7280;
  margin-bottom: 24px;
}

.task-group {
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  margin-bottom: 20px;
  overflow: hidden;
}

.task-group-head {
  background-color: #f5f7fa;
  padding: 16px 20px;
  border-bottom: 1px solid #e5e7eb;
  display: flex;
  align-items: center;
  gap: 12px;
}

.task-group-head h3 {
  font-size: 17px;
}

.task-group-body {
  padding: 20px;
}

.task-group-text {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.8;
  margin-bottom: 16px;
}

.task-group-figure {
  margin-top: 16px;
}

.task-group-figure img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  object-fit: cover;
  aspect-ratio: 16 / 8;
  max-height: 240px;
}

.delivery-forms {
  margin-bottom: 48px;
}

.delivery-forms h2 {
  margin-bottom: 8px;
}

.delivery-forms > p {
  font-size: 15px;
  color: #6b7280;
  margin-bottom: 24px;
}

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

.form-item {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 24px 20px;
}

.form-item h3 {
  font-size: 16px;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e5e7eb;
}

.form-item p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.7;
  margin-bottom: 10px;
}

.use-scene {
  font-size: 13px;
  color: #6b7280;
  background-color: #f9fafb;
  border-radius: 4px;
  padding: 10px 12px;
}

/* ============================================================
   PAGES — 合作流程页
   ============================================================ */

.process-steps-section {
  margin-bottom: 48px;
}

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

.section-desc {
  font-size: 15px;
  color: #6b7280;
  margin-bottom: 24px;
  max-width: 860px;
}

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

.step-item.is-completed,
.step-item.is-current,
.step-item.is-pending {
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  overflow: hidden;
}

.step-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background-color: #f9fafb;
  border-bottom: 1px solid #e5e7eb;
}

.step-head h3 {
  font-size: 16px;
}

.step-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.step-item.is-completed .step-status {
  background-color: #e6f4ea;
  color: #2f7d4f;
}

.step-item.is-current .step-status {
  background-color: #fef3e2;
  color: #d97706;
}

.step-item.is-pending .step-status {
  background-color: #f3f4f6;
  color: #9ca3af;
}

.step-body {
  padding: 20px;
}

.step-detail {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.detail-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  font-size: 14px;
  line-height: 1.7;
}

.detail-row dt {
  color: #9ca3af;
  font-weight: 500;
}

.detail-row dd {
  color: #4b5563;
}

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

.process-figure img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
  aspect-ratio: 21 / 9;
  max-height: 320px;
}

.progress-rule-section {
  margin-bottom: 48px;
}

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

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

.rule-item {
  background-color: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 20px;
}

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

.rule-item p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.7;
}

.cta-block {
  background-color: #f5f7fa;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 48px;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-inner p {
  font-size: 15px;
  color: #1f2937;
  font-weight: 500;
  flex: 1;
  min-width: 260px;
}

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

.cta-links a {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  min-height: 44px;
}

.cta-links a:first-child {
  background-color: #2d6da3;
  color: #ffffff;
}

.cta-links a:first-child:hover {
  background-color: #1f4d7a;
}

.cta-links a:last-child {
  background-color: #ffffff;
  color: #2d6da3;
  border: 1px solid #2d6da3;
}

.cta-links a:last-child:hover {
  background-color: #eef3f8;
}

/* ============================================================
   PAGES — 服务政策页
   ============================================================ */

.boundary-terms {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.term-block {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 28px;
}

.term-block h2 {
  font-size: 18px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e5e7eb;
}

.term-block > p {
  font-size: 14px;
  color: #4b5563;
  margin-bottom: 16px;
  line-height: 1.8;
}

.term-block ul li {
  font-size: 14px;
  color: #4b5563;
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
  line-height: 1.7;
}

.term-block ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #2d6da3;
}

.issue-categories {
  margin-bottom: 48px;
}

.issue-categories > h2 {
  margin-bottom: 8px;
}

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

.category-item {
  background-color: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-direction: column;
}

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

.category-item p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.7;
  margin-bottom: 12px;
  flex: 1;
}

.category-item a {
  font-size: 13px;
  font-weight: 500;
  color: #2d6da3;
}

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

.policy-visual {
  margin-bottom: 48px;
}

.policy-figure img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
  aspect-ratio: 21 / 8;
  max-height: 300px;
}

.feedback-note {
  background-color: #f5f7fa;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 28px;
}

.feedback-note h2 {
  font-size: 18px;
  margin-bottom: 12px;
}

.feedback-note p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.8;
  margin-bottom: 10px;
}

.feedback-note p:last-child {
  margin-bottom: 0;
}

/* ============================================================
   PAGES — 资料中心页
   ============================================================ */

.resource-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 48px;
}

.resource-item {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  align-items: center;
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 24px;
}

.resource-info h2 {
  font-size: 18px;
  margin-bottom: 10px;
}

.resource-purpose {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.8;
  margin-bottom: 10px;
}

.resource-license {
  font-size: 13px;
  color: #6b7280;
  background-color: #f9fafb;
  border-radius: 4px;
  padding: 8px 12px;
  margin-bottom: 14px;
  line-height: 1.6;
}

.resource-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  background-color: #eef3f8;
  color: #2d6da3;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  min-height: 40px;
}

.resource-link:hover {
  background-color: #dce8f2;
  color: #1f4d7a;
}

.resource-preview img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  max-height: 180px;
}

.license-note {
  margin-bottom: 48px;
}

.license-note > h2 {
  margin-bottom: 8px;
}

.license-block {
  background-color: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 24px 28px;
}

.license-block p {
  font-size: 14px;
  color: #4b5563;
  margin-bottom: 14px;
  line-height: 1.8;
}

.license-block ul li {
  font-size: 14px;
  color: #4b5563;
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
  line-height: 1.7;
}

.license-block ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #2d6da3;
}

.related-links {
  margin-bottom: 32px;
}

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

.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.related-card {
  display: block;
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 20px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.related-card:hover {
  border-color: #2d6da3;
  box-shadow: 0 4px 12px rgba(45, 109, 163, 0.08);
}

.related-card h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.related-card p {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.7;
}

/* ============================================================
   PAGES — 常见问题页
   ============================================================ */

.faq-stage-block {
  margin-bottom: 40px;
}

.faq-stage-block h2 {
  font-size: 18px;
  margin-bottom: 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e5e7eb;
}

.stage-desc {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 16px;
}

.faq-stage-block .faq-item {
  margin-bottom: 10px;
}

.faq-answer {
  padding: 0 20px 16px;
  font-size: 14px;
  color: #4b5563;
  line-height: 1.8;
}

.feedback-path-block {
  background-color: #f5f7fa;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 24px 28px;
}

.feedback-path-block h2 {
  font-size: 17px;
  margin-bottom: 10px;
}

.feedback-path-block p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.8;
  margin-bottom: 14px;
}

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

.feedback-links a {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  background-color: #ffffff;
  border: 1px solid #2d6da3;
  color: #2d6da3;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  min-height: 40px;
}

.feedback-links a:hover {
  background-color: #eef3f8;
}

/* FAQ 侧栏 */
.faq-aside .aside-item {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  padding: 14px 16px;
  margin-bottom: 12px;
}

.faq-aside .aside-item h3 {
  font-size: 14px;
  margin-bottom: 4px;
}

.faq-aside .aside-item h3 a {
  color: #1f2937;
}

.faq-aside .aside-item h3 a:hover {
  color: #2d6da3;
}

.faq-aside .aside-item p {
  font-size: 13px;
  color: #6b7280;
  line-height: 1.6;
}

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

.aside-figure img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

/* ============================================================
   PAGES — 关于我们页
   ============================================================ */

.stance-work-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}

.stance-block {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 28px;
}

.stance-block h2 {
  font-size: 18px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e5e7eb;
}

.stance-block p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.8;
  margin-bottom: 12px;
}

.work-block {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 28px;
}

.work-block h2 {
  font-size: 18px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e5e7eb;
}

.work-block > p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.8;
  margin-bottom: 16px;
}

.work-figure img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

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

.boundary-section > h2 {
  font-size: 18px;
  margin-bottom: 20px;
}

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

.boundary-item {
  background-color: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 20px;
}

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

.boundary-item p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.7;
}

.next-step-section {
  background-color: #f5f7fa;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 28px;
  margin-bottom: 48px;
}

.next-step-section h2 {
  font-size: 18px;
  margin-bottom: 8px;
}

.next-step-section > p {
  font-size: 14px;
  color: #4b5563;
  margin-bottom: 16px;
}

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

.next-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background-color: #2d6da3;
  color: #ffffff;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  min-height: 44px;
}

.next-link:hover {
  background-color: #1f4d7a;
  color: #ffffff;
}

.next-step-links a:last-child {
  background-color: #ffffff;
  color: #2d6da3;
  border: 1px solid #2d6da3;
}

.next-step-links a:last-child:hover {
  background-color: #eef3f8;
}

/* 相关链接（process / about 底部） */
.related-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 0;
}

.related-links-label {
  font-size: 14px;
  color: #6b7280;
  font-weight: 500;
}

.related-links-item {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  font-size: 14px;
  color: #2d6da3;
  min-height: 40px;
}

.related-links-item:hover {
  border-color: #2d6da3;
  background-color: #eef3f8;
}

/* ============================================================
   PAGES — 404 页
   ============================================================ */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  flex: 1 0 auto;
}

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

.error-code {
  font-size: 64px;
  font-weight: 600;
  color: #d1d5db;
  line-height: 1;
  margin-bottom: 16px;
}

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

.error-desc {
  font-size: 15px;
  color: #6b7280;
  margin-bottom: 24px;
  line-height: 1.8;
}

.error-panel .btn-primary {
  min-width: 160px;
}

/* ============================================================
   RESPONSIVE — 响应式断点
   ============================================================ */

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

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

  .process-steps .step-item:nth-child(4),
  .process-steps .step-item:nth-child(5) {
    grid-column: span 1;
  }

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

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

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

  .form-item:last-child {
    grid-column: span 2;
  }

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

  .rule-item:last-child {
    grid-column: span 2;
  }

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

  .resource-item {
    grid-template-columns: 1.2fr 1fr;
  }
}

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

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    background-color: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    z-index: 99;
  }

  .main-nav ul {
    flex-direction: column;
    padding: 12px 16px;
    gap: 2px;
  }

  .nav-item {
    display: block;
    padding: 12px 16px;
    font-size: 15px;
    border-radius: 6px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 40px 16px 32px;
  }

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

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

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

  .service-path,
  .process-preview,
  .faq-summary {
    padding: 40px 16px;
  }

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

  .task-groups .section-header,
  .task-groups .task-group-row {
    padding-left: 16px;
    padding-right: 16px;
  }

  .task-group-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .process-steps .step-item:last-child {
    grid-column: span 2;
  }

  .resource-policy-entry {
    grid-template-columns: 1fr;
    padding-left: 16px;
    padding-right: 16px;
  }

  .entry-column {
    padding: 20px;
  }

  .about-text {
    padding: 0 16px;
  }

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

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

  .inner-main {
    padding: 0 16px 48px;
  }

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

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

  .page-title-block {
    padding: 16px 0 4px;
  }

  .page-header {
    padding: 8px 0 16px;
  }

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

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

  .main-content {
    order: 1;
  }

  .aside-bar,
  .sidebar-content {
    order: 2;
  }

  .task-group-body {
    padding: 16px;
  }

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

  .form-item:last-child {
    grid-column: span 1;
  }

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

  .rule-item:last-child {
    grid-column: span 1;
  }

  .boundary-terms {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

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

  .resource-item {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 16px;
  }

  .resource-preview {
    order: -1;
  }

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

  .stance-work-section {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-links {
    width: 100%;
  }

  .cta-links a {
    flex: 1;
    justify-content: center;
  }

  .error-main {
    padding: 48px 16px;
  }

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

/* 小手机：≤390px */
@media (max-width: 390px) {
  .brand-tag {
    display: none;
  }

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

  .process-steps .step-item:last-child {
    grid-column: span 1;
  }

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

  .hero {
    padding: 32px 16px 24px;
  }

  .service-path,
  .process-preview,
  .faq-summary {
    padding: 32px 16px;
  }

  .entry-column {
    padding: 16px;
  }

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

  .license-block {
    padding: 16px;
  }

  .feedback-path-block {
    padding: 16px;
  }

  .next-step-section {
    padding: 20px 16px;
  }

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

  .cta-links {
    flex-direction: column;
  }

  .cta-links a {
    width: 100%;
  }

  .feedback-links {
    flex-direction: column;
  }

  .feedback-links a {
    width: 100%;
    justify-content: center;
  }

  .next-step-links {
    flex-direction: column;
  }

  .next-link {
    width: 100%;
    justify-content: center;
  }
}