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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #2b2b2b;
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: #1b4965;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover,
a:focus-visible {
  color: #2d6a4f;
  outline: none;
}

p {
  margin: 0 0 1rem;
}

h1,
h2,
h3 {
  margin: 0 0 0.75rem;
  line-height: 1.35;
  color: #2d6a4f;
  font-weight: 600;
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.125rem;
}

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

figure {
  margin: 0;
}

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

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

:focus-visible {
  outline: 2px solid #1b4965;
  outline-offset: 2px;
}

/* ============================================================
   Layout — 全站骨架布局
   ============================================================ */
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid #e8e4da;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}

.brand-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #2d6a4f;
  letter-spacing: 0.01em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-item {
  margin: 0;
}

.nav-link {
  display: block;
  padding: 0.5rem 0.875rem;
  font-size: 0.9375rem;
  color: #3a3a3a;
  border-radius: 4px;
  line-height: 1.5;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  background-color: #f4f1ea;
  color: #2d6a4f;
}

.nav-link.is-current {
  background-color: #2d6a4f;
  color: #ffffff;
  font-weight: 500;
}

.header-cta {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background-color: #2d6a4f;
  color: #ffffff;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: 4px;
  white-space: nowrap;
  transition: background-color 0.2s ease;
}

.header-cta:hover,
.header-cta:focus-visible {
  background-color: #245a42;
  color: #ffffff;
}

.header-cta.is-current {
  background-color: #245a42;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  border-radius: 4px;
  background-color: transparent;
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #2d6a4f;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

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

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

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

.site-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.home-main {
  padding: 0 1.5rem;
}

.inner-main {
  padding: 2rem 1.5rem 3rem;
}

.site-footer {
  background-color: #f4f1ea;
  border-top: 1px solid #e8e4da;
  margin-top: 2rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 1.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-title {
  font-size: 1rem;
  font-weight: 600;
  color: #2d6a4f;
  margin-bottom: 0.75rem;
}

.footer-links li {
  margin-bottom: 0.375rem;
}

.footer-links a {
  font-size: 0.9375rem;
  color: #4a4a4a;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #2d6a4f;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem 1.5rem;
  border-top: 1px solid #e0dcd0;
}

.footer-bottom p {
  margin: 0;
  font-size: 0.875rem;
  color: #6b6b6b;
  text-align: center;
}

/* ============================================================
   Components — 通用组件
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: #6b6b6b;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: #1b4965;
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: #2d6a4f;
}

.breadcrumb-sep {
  color: #a0a0a0;
}

.breadcrumb-current {
  color: #4a4a4a;
}

.page-header {
  margin-bottom: 2.5rem;
}

.page-title {
  font-size: 2rem;
  color: #2d6a4f;
  margin-bottom: 0.5rem;
}

.page-description {
  font-size: 1.0625rem;
  color: #5a5a5a;
  max-width: 720px;
  margin: 0;
}

.section-title {
  font-size: 1.375rem;
  color: #2d6a4f;
  margin-bottom: 0.75rem;
}

.section-intro {
  color: #5a5a5a;
  max-width: 720px;
  margin-bottom: 1.5rem;
}

.section-desc {
  color: #5a5a5a;
  max-width: 720px;
  margin-bottom: 1.5rem;
}

.btn-primary {
  display: inline-block;
  padding: 0.625rem 1.5rem;
  background-color: #2d6a4f;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 4px;
  text-align: center;
  transition: background-color 0.2s ease;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: #245a42;
  color: #ffffff;
}

.btn-secondary {
  display: inline-block;
  padding: 0.625rem 1.5rem;
  background-color: transparent;
  color: #2d6a4f;
  font-size: 1rem;
  font-weight: 500;
  border: 1px solid #2d6a4f;
  border-radius: 4px;
  text-align: center;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background-color: #2d6a4f;
  color: #ffffff;
}

.btn-text {
  display: inline-block;
  font-size: 0.9375rem;
  font-weight: 500;
  color: #1b4965;
  padding: 0.375rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.btn-text:hover,
.btn-text:focus-visible {
  color: #2d6a4f;
  border-bottom-color: #2d6a4f;
}

.faq-item {
  border: 1px solid #e8e4da;
  border-radius: 6px;
  background-color: #ffffff;
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.faq-item summary {
  padding: 1rem 1.25rem;
  font-size: 1rem;
  font-weight: 500;
  color: #2d6a4f;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: background-color 0.2s ease;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  color: #8b5e34;
  flex-shrink: 0;
  line-height: 1;
}

.faq-item[open] summary {
  background-color: #f4f1ea;
}

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

.faq-item summary:hover,
.faq-item summary:focus-visible {
  background-color: #f4f1ea;
}

.faq-answer {
  padding: 0.25rem 1.25rem 1rem;
}

.faq-answer p {
  margin-bottom: 0.5rem;
  color: #4a4a4a;
}

.faq-answer a {
  color: #1b4965;
  font-weight: 500;
}

.related-links {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e8e4da;
}

.related-links .section-title,
.related-title {
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

.related-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.related-list a {
  display: block;
  padding: 0.875rem 1rem;
  background-color: #f4f1ea;
  border-radius: 6px;
  font-size: 0.9375rem;
  color: #2d6a4f;
  transition: background-color 0.2s ease;
}

.related-list a:hover,
.related-list a:focus-visible {
  background-color: #e8e4da;
  color: #245a42;
}

.table-wrapper {
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

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

.table-wrapper th,
.table-wrapper td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid #e8e4da;
  vertical-align: top;
}

.table-wrapper th {
  background-color: #f4f1ea;
  font-weight: 600;
  color: #2d6a4f;
  white-space: nowrap;
}

.table-wrapper td {
  color: #4a4a4a;
}

/* ============================================================
   Components — 首页专属组件
   ============================================================ */
.hero-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
  padding: 3rem 0 2.5rem;
}

.hero-content {
  max-width: 560px;
}

.hero-title {
  font-size: 2.25rem;
  line-height: 1.3;
  color: #2d6a4f;
  margin-bottom: 1rem;
}

.hero-lead {
  font-size: 1.0625rem;
  color: #4a4a4a;
  margin-bottom: 1.5rem;
}

.hero-actions {
  display: flex;
  gap: 0.875rem;
  flex-wrap: wrap;
}

.hero-media {
  margin: 0;
}

.hero-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 8px;
}

.service-role {
  background-color: #f4f1ea;
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 3rem;
}

.service-role p {
  margin: 0;
  font-size: 1.0625rem;
  color: #3a3a3a;
  text-align: center;
}

.service-index {
  margin-bottom: 3rem;
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background-color: #ffffff;
  border: 1px solid #e8e4da;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.service-card:hover,
.service-card:focus-within {
  border-color: #2d6a4f;
  box-shadow: 0 2px 12px rgba(45, 106, 79, 0.12);
}

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

.service-card .card-title {
  padding: 1rem 1.25rem 0;
  margin-bottom: 0.375rem;
}

.service-card .card-desc {
  padding: 0 1.25rem;
  margin-bottom: 0.75rem;
  font-size: 0.9375rem;
  color: #5a5a5a;
  flex-grow: 1;
}

.service-card .card-link {
  display: inline-block;
  padding: 0 1.25rem 1.125rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: #1b4965;
}

.service-card .card-link:hover,
.service-card .card-link:focus-visible {
  color: #2d6a4f;
}

.guide-entry {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 3rem;
  background-color: #f4f1ea;
  border-radius: 8px;
  padding: 2rem;
}

.guide-entry-text .section-title {
  margin-bottom: 0.75rem;
}

.guide-entry-text p {
  color: #4a4a4a;
  margin-bottom: 1rem;
}

.guide-entry-media {
  margin: 0;
}

.guide-entry-media img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 6px;
}

.standard-preview {
  margin-bottom: 3rem;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.process-step {
  background-color: #f4f1ea;
  border-radius: 8px;
  padding: 1.25rem;
  position: relative;
}

.process-step .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background-color: #2d6a4f;
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 50%;
  margin-bottom: 0.625rem;
}

.process-step .step-title {
  font-size: 1rem;
  margin-bottom: 0.375rem;
}

.process-step .step-desc {
  font-size: 0.875rem;
  color: #5a5a5a;
  margin: 0;
}

.faq-preview {
  margin-bottom: 3rem;
}

.faq-preview .section-title {
  margin-bottom: 1rem;
}

.faq-preview .faq-list {
  margin-bottom: 1rem;
}

.cooperate-banner {
  background-color: #2d6a4f;
  border-radius: 8px;
  padding: 2.5rem 2rem;
  text-align: center;
  margin-bottom: 2rem;
}

.cooperate-banner .banner-title {
  color: #ffffff;
  font-size: 1.5rem;
  margin-bottom: 0.625rem;
}

.cooperate-banner .banner-desc {
  color: #dce8e0;
  max-width: 560px;
  margin: 0 auto 1.25rem;
}

.cooperate-banner .btn-primary {
  background-color: #ffffff;
  color: #2d6a4f;
}

.cooperate-banner .btn-primary:hover,
.cooperate-banner .btn-primary:focus-visible {
  background-color: #f4f1ea;
  color: #245a42;
}

/* ============================================================
   Pages — 服务项目页
   ============================================================ */
.service-overview-table {
  margin-bottom: 3rem;
}

.service-details-list {
  margin-bottom: 2rem;
}

.service-item {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #e8e4da;
  align-items: start;
}

.service-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.service-media {
  margin: 0;
}

.service-figure {
  margin: 0;
}

.service-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 6px;
}

.service-figure figcaption {
  font-size: 0.8125rem;
  color: #8a8a8a;
  padding: 0.375rem 0 0;
}

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

.service-name {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.service-audience {
  font-size: 0.9375rem;
  color: #5a5a5a;
  margin-bottom: 0.5rem;
}

.service-audience strong {
  color: #8b5e34;
  font-weight: 600;
}

.service-desc {
  color: #4a4a4a;
  margin-bottom: 0.5rem;
}

.service-deliverable {
  font-size: 0.9375rem;
  color: #5a5a5a;
  margin: 0;
}

.service-deliverable strong {
  color: #2d6a4f;
  font-weight: 600;
}

/* ============================================================
   Pages — 选择指南页
   ============================================================ */
.page-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
  align-items: start;
}

.sidebar-left .page-layout {
  grid-template-columns: 260px 1fr;
}

.guide-aside {
  background-color: #f4f1ea;
  border-radius: 8px;
  padding: 1.5rem;
  position: sticky;
  top: 84px;
}

.aside-title {
  font-size: 1.0625rem;
  color: #2d6a4f;
  margin-bottom: 0.875rem;
}

.aside-list li {
  margin-bottom: 0.375rem;
}

.aside-list a {
  display: block;
  padding: 0.5rem 0.75rem;
  font-size: 0.9375rem;
  color: #3a3a3a;
  border-radius: 4px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.aside-list a:hover,
.aside-list a:focus-visible {
  background-color: #e8e4da;
  color: #2d6a4f;
}

.aside-note {
  font-size: 0.875rem;
  color: #6b6b6b;
  margin: 1rem 0 0;
  padding-top: 0.875rem;
  border-top: 1px solid #e0dcd0;
}

.aside-note a {
  color: #1b4965;
  font-weight: 500;
}

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

.guide-title {
  margin-bottom: 2rem;
}

.guide-intro-text {
  color: #4a4a4a;
  margin-bottom: 1.25rem;
}

.guide-figure {
  margin: 0 0 1.5rem;
}

.guide-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 6px;
}

.guide-figure figcaption {
  font-size: 0.8125rem;
  color: #8a8a8a;
  padding: 0.375rem 0 0;
}

.guide-content {
  margin-bottom: 2.5rem;
}

.guide-section-desc {
  color: #5a5a5a;
  margin-bottom: 1rem;
}

.guide-question {
  margin-bottom: 1.5rem;
  padding: 1.25rem;
  background-color: #f4f1ea;
  border-radius: 6px;
}

.guide-question h3 {
  font-size: 1rem;
  color: #2d6a4f;
  margin-bottom: 0.5rem;
}

.guide-question p {
  color: #4a4a4a;
  margin: 0;
}

.match-table {
  margin-top: 1rem;
}

.table-tip {
  font-size: 0.8125rem;
  color: #8a8a8a;
  margin-top: 0.5rem;
}

/* ============================================================
   Pages — 执行标准页
   ============================================================ */
.standards-summary {
  margin-bottom: 3rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.summary-card {
  background-color: #f4f1ea;
  border-radius: 8px;
  padding: 1.25rem;
}

.summary-card h3 {
  font-size: 1rem;
  color: #2d6a4f;
  margin-bottom: 0.5rem;
}

.summary-card p {
  color: #4a4a4a;
  margin: 0;
  font-size: 0.9375rem;
}

.summary-figure {
  margin: 1.5rem 0 0;
}

.summary-figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: 6px;
}

.summary-figure figcaption {
  font-size: 0.8125rem;
  color: #8a8a8a;
  padding: 0.375rem 0 0;
}

.stage-details {
  margin-bottom: 3rem;
}

.stage-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.stage-item {
  background-color: #ffffff;
  border: 1px solid #e8e4da;
  border-radius: 8px;
  padding: 1.25rem;
}

.stage-item h3 {
  font-size: 1.0625rem;
  color: #2d6a4f;
  margin-bottom: 0.625rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #2d6a4f;
}

.stage-item p {
  font-size: 0.875rem;
  color: #4a4a4a;
  margin-bottom: 0.5rem;
}

.stage-item p:last-child {
  margin-bottom: 0;
}

.stage-item strong {
  color: #2d6a4f;
  font-weight: 600;
}

.verify-points {
  margin-bottom: 2rem;
}

.verify-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.verify-list li {
  background-color: #f4f1ea;
  border-radius: 6px;
  padding: 1rem 1.25rem;
  font-size: 0.9375rem;
  color: #4a4a4a;
}

.verify-list strong {
  display: block;
  color: #2d6a4f;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

/* ============================================================
   Pages — 常见问题页
   ============================================================ */
.faq-intro {
  margin-bottom: 2.5rem;
}

.faq-intro-inner {
  background-color: #f4f1ea;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.faq-intro-inner p {
  color: #4a4a4a;
  margin: 0;
}

.faq-intro-inner a {
  color: #1b4965;
  font-weight: 500;
}

.content-media {
  margin: 1.5rem 0 0;
}

.content-media img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: 6px;
}

.content-media figcaption {
  font-size: 0.8125rem;
  color: #8a8a8a;
  padding: 0.375rem 0 0;
}

.content-media-inline {
  margin: 1.5rem 0 0;
}

.faq-group {
  margin-bottom: 2.5rem;
}

.faq-group-title {
  font-size: 1.25rem;
  color: #2d6a4f;
  margin-bottom: 0.375rem;
}

.faq-group-desc {
  color: #5a5a5a;
  margin-bottom: 1rem;
}

.faq-related {
  background-color: #f4f1ea;
  border-radius: 8px;
  padding: 1.5rem;
  margin-top: 3rem;
}

.faq-related-title {
  font-size: 1.0625rem;
  color: #2d6a4f;
  margin-bottom: 0.5rem;
}

.faq-related p {
  color: #4a4a4a;
  font-size: 0.9375rem;
  margin-bottom: 0.875rem;
}

.faq-related-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.faq-related-list a {
  display: block;
  padding: 0.625rem 0.875rem;
  background-color: #ffffff;
  border-radius: 4px;
  font-size: 0.875rem;
  color: #2d6a4f;
  text-align: center;
  transition: background-color 0.2s ease;
}

.faq-related-list a:hover,
.faq-related-list a:focus-visible {
  background-color: #e8e4da;
}

/* ============================================================
   Pages — 合作方式页
   ============================================================ */
.cooperate-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 3rem;
}

.intro-text .section-title {
  margin-bottom: 0.75rem;
}

.intro-text p {
  color: #4a4a4a;
  margin-bottom: 0.75rem;
}

.intro-text p:last-child {
  margin-bottom: 0;
}

.intro-media {
  margin: 0;
}

.intro-media img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 8px;
}

.cooperate-steps {
  margin-bottom: 3rem;
}

.section-heading {
  margin-bottom: 1.25rem;
}

.section-heading .section-title {
  margin-bottom: 0.375rem;
}

.section-heading p {
  color: #5a5a5a;
  margin: 0;
}

.step-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  counter-reset: step-counter;
}

.step-item {
  background-color: #ffffff;
  border: 1px solid #e8e4da;
  border-radius: 8px;
  padding: 1.25rem;
  position: relative;
}

.step-item .step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: #2d6a4f;
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 50%;
  margin-bottom: 0.75rem;
}

.step-item .step-title {
  font-size: 1rem;
  color: #2d6a4f;
  margin-bottom: 0.5rem;
}

.step-item p {
  font-size: 0.875rem;
  color: #4a4a4a;
  margin-bottom: 0.5rem;
}

.step-item .step-output {
  font-size: 0.8125rem;
  color: #8b5e34;
  margin: 0;
}

.prepare-checklist {
  margin-bottom: 3rem;
}

.checklist {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.checklist-item {
  background-color: #f4f1ea;
  border-radius: 6px;
  padding: 1.125rem 1.25rem;
}

.checklist-item .checklist-title {
  font-size: 0.9375rem;
  color: #2d6a4f;
  margin-bottom: 0.375rem;
}

.checklist-item p {
  font-size: 0.875rem;
  color: #4a4a4a;
  margin: 0;
}

.notes {
  margin-bottom: 2rem;
}

.notes-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.notes-item {
  background-color: #ffffff;
  border: 1px solid #e8e4da;
  border-radius: 8px;
  padding: 1.25rem;
}

.notes-item .notes-title {
  font-size: 0.9375rem;
  color: #8b5e34;
  margin-bottom: 0.375rem;
}

.notes-item p {
  font-size: 0.875rem;
  color: #4a4a4a;
  margin: 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.related-card {
  display: block;
  background-color: #f4f1ea;
  border-radius: 8px;
  padding: 1.25rem;
  transition: background-color 0.2s ease;
}

.related-card:hover,
.related-card:focus-visible {
  background-color: #e8e4da;
}

.related-card .related-card-title {
  font-size: 1rem;
  color: #2d6a4f;
  margin-bottom: 0.375rem;
}

.related-card p {
  font-size: 0.875rem;
  color: #5a5a5a;
  margin: 0;
}

/* ============================================================
   Pages — 404 页
   ============================================================ */
.error-main {
  min-height: 55vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
}

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

.error-code {
  font-size: 3.5rem;
  font-weight: 700;
  color: #2d6a4f;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.error-title {
  font-size: 1.5rem;
  color: #2d6a4f;
  margin-bottom: 0.625rem;
}

.error-desc {
  color: #5a5a5a;
  margin-bottom: 1.5rem;
}

.error-actions {
  display: flex;
  gap: 0.875rem;
  justify-content: center;
  flex-wrap: wrap;
}

.error-link {
  display: inline-block;
  padding: 0.625rem 1.25rem;
  background-color: #2d6a4f;
  color: #ffffff;
  font-size: 0.9375rem;
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

.error-link:hover,
.error-link:focus-visible {
  background-color: #245a42;
  color: #ffffff;
}

/* ============================================================
   Responsive — 响应式规则
   ============================================================ */
@media (max-width: 1024px) {
  .step-list {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 768px) {
  .header-inner {
    min-height: 60px;
    padding: 0 1rem;
  }

  .nav-toggle {
    display: flex;
    order: 3;
  }

  .site-nav {
    order: 2;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: #ffffff;
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem 1rem 1rem;
    border-bottom: 1px solid #e8e4da;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    z-index: 99;
  }

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

  .nav-item {
    border-bottom: 1px solid #f0ede4;
  }

  .nav-item:last-child {
    border-bottom: none;
  }

  .nav-link {
    padding: 0.75rem 0.5rem;
    font-size: 1rem;
    border-radius: 0;
  }

  .nav-link.is-current {
    background-color: transparent;
    color: #2d6a4f;
    font-weight: 600;
  }

  .header-cta {
    order: 4;
    padding: 0.375rem 0.875rem;
    font-size: 0.875rem;
  }

  .site-main {
    padding: 0 1rem;
  }

  .home-main {
    padding: 0 1rem;
  }

  .inner-main {
    padding: 1.5rem 1rem 2.5rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 2rem 1rem 1rem;
  }

  .hero-section {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 2rem 0;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-media img {
    height: 220px;
  }

  .service-cards {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .guide-entry {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding: 1.5rem;
  }

  .guide-entry-media img {
    height: 180px;
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .cooperate-banner {
    padding: 1.75rem 1.25rem;
  }

  .page-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .sidebar-left .page-layout {
    grid-template-columns: 1fr;
  }

  .guide-aside {
    position: static;
    order: 1;
  }

  .guide-main {
    order: 2;
  }

  .service-item {
    grid-template-columns: 1fr;
    gap: 0.875rem;
  }

  .service-figure img {
    height: 180px;
  }

  .summary-grid {
    grid-template-columns: 1fr;
    gap: 0.875rem;
  }

  .stage-list {
    grid-template-columns: 1fr;
    gap: 0.875rem;
  }

  .verify-list {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

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

  .cooperate-intro {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .intro-media img {
    height: 200px;
  }

  .step-list {
    grid-template-columns: 1fr;
    gap: 0.875rem;
  }

  .checklist {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .notes-list {
    grid-template-columns: 1fr;
    gap: 0.875rem;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.875rem;
  }

  .related-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .page-title {
    font-size: 1.625rem;
  }

  .section-title {
    font-size: 1.25rem;
  }
}

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

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

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

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

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

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

  .table-wrapper th,
  .table-wrapper td {
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
  }
}