/* ============================================================
   base / 基础变量与重置
   ============================================================ */
:root {
  --color-primary: #0F4C5C;
  --color-bg: #F4F1EB;
  --color-accent: #B5651D;
  --color-text: #1F2933;
  --color-border: #D8D3CB;
  --color-white: #FFFFFF;
  --color-primary-light: #E8F0F2;
  --color-accent-light: #F5E9DD;
  --container-width: 1120px;
  --content-width: 720px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition-base: 0.2s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-accent);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary);
}

/* ============================================================
   layout / 全站布局骨架
   ============================================================ */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
}

.site-header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.brand-link {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0;
}

.brand-link:hover {
  color: var(--color-primary);
}

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

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-main {
  flex: 1;
}

.site-footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
  margin-top: 80px;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 24px 24px;
}

.footer-nav {
  margin-bottom: 32px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  padding: 8px 0;
  display: inline-block;
  min-height: 44px;
  line-height: 28px;
}

.footer-links a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.footer-brand {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 24px;
  margin-bottom: 16px;
}

.brand-line {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 4px;
}

.brand-slogan {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.copyright {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

/* ============================================================
   components / 全站通用组件
   ============================================================ */

/* 面包屑 */
.breadcrumb {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}

.breadcrumb-inner,
.breadcrumb-list {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #6B7A80;
}

.breadcrumb-list {
  list-style: none;
}

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

.breadcrumb a {
  color: var(--color-primary);
  font-size: 14px;
}

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

.breadcrumb-sep {
  color: var(--color-border);
  font-size: 12px;
}

.breadcrumb-current {
  color: #6B7A80;
  font-size: 14px;
}

/* 页面标题区（内页统一） */
.inner-main .page-header {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 0;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
}

.inner-main .page-heading {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 24px 32px;
}

.inner-main .page-heading p {
  font-size: 17px;
  line-height: 1.8;
  color: #4A5A60;
  max-width: var(--content-width);
}

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

.section-number {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
  letter-spacing: 0;
}

.section-heading h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.section-heading p {
  font-size: 16px;
  color: #4A5A60;
  line-height: 1.7;
}

/* 引用块 */
blockquote {
  background-color: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  padding: 24px 28px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 17px;
  line-height: 1.8;
  color: var(--color-text);
}

blockquote p {
  margin-bottom: 8px;
}

blockquote p:last-child {
  margin-bottom: 0;
}

/* 延伸阅读 */
.related-links {
  max-width: var(--container-width);
  margin: 48px auto 0;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.related-links-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
}

.related-links a.related-links-item {
  font-size: 15px;
  color: var(--color-primary);
  padding: 8px 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-bottom: 1px solid transparent;
}

.related-links a.related-links-item:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.related-links-item + .related-links-item {
  margin-left: 8px;
}

/* 全屏目录导航 */
.site-index {
  position: fixed;
  inset: 0;
  background-color: var(--color-bg);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.site-index.is-open {
  opacity: 1;
  visibility: visible;
}

.index-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 80px 24px 40px;
  height: 100%;
  overflow-y: auto;
  position: relative;
}

.index-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 20px;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.index-close:hover {
  background-color: var(--color-primary-light);
}

.index-list {
  list-style: none;
}

.index-item {
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
}

.index-item:first-child {
  border-top: 1px solid var(--color-border);
}

.index-link {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  display: inline-block;
  padding: 4px 0;
  min-height: 44px;
  line-height: 36px;
}

.index-link:hover {
  color: var(--color-accent);
}

.index-link.is-current {
  color: var(--color-accent);
}

.index-desc {
  display: block;
  font-size: 14px;
  color: #6B7A80;
  margin-top: 4px;
}

/* FAQ 手风琴 */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 56px;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

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

.faq-item .faq-answer {
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: #4A5A60;
}

.faq-item .faq-answer p {
  margin-bottom: 8px;
}

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

/* 全站通用 section-link 链接 */
.section-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-accent);
  padding: 8px 0;
  min-height: 44px;
  line-height: 28px;
  border-bottom: 1px solid transparent;
}

.section-link:hover {
  border-bottom-color: var(--color-accent);
  color: var(--color-accent);
}

/* ============================================================
   pages / 首页
   ============================================================ */
.home-main {
  padding-bottom: 0;
}

/* 首屏 hero */
.home-hero {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 64px 24px 48px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-content h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 17px;
  line-height: 1.8;
  color: #4A5A60;
  margin-bottom: 24px;
}

.service-directory {
  list-style: none;
}

.directory-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.directory-item a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-primary);
  display: inline-block;
  padding: 4px 0;
  min-height: 44px;
  line-height: 36px;
}

.directory-item a:hover {
  color: var(--color-accent);
}

.hero-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-primary-light);
}

.hero-figure img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

/* 业务范围摘要 */
.home-services {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px;
}

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

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease;
}

.service-card:hover {
  box-shadow: 0 4px 16px rgba(15, 76, 92, 0.08);
}

.service-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.service-card p {
  font-size: 14px;
  line-height: 1.7;
  color: #4A5A60;
  margin-bottom: 16px;
  flex: 1;
}

.card-figure {
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 16px;
}

.card-figure img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-block;
  padding: 8px 0;
  min-height: 44px;
  line-height: 28px;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
}

.card-link:hover {
  border-bottom-color: var(--color-accent);
}

/* 首页服务网格：宽卡占两列 */
.service-card-wide {
  grid-column: span 2;
}

/* 分人群方案入口 */
.home-solutions {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px;
}

.solutions-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.solution-entry {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
}

.solution-entry h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.solution-entry p {
  font-size: 15px;
  line-height: 1.8;
  color: #4A5A60;
  margin-bottom: 16px;
}

.entry-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-accent);
  padding: 8px 0;
  min-height: 44px;
  line-height: 28px;
  border-bottom: 1px solid transparent;
}

.entry-link:hover {
  border-bottom-color: var(--color-accent);
}

/* 合作流程概览 */
.home-process {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: process-step;
}

.process-step {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
}

.process-step .step-number {
  display: inline-block;
  font-size: 28px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 12px;
  line-height: 1;
}

.process-step h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.process-step .step-owner {
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 8px;
}

.process-step p:last-child {
  font-size: 14px;
  line-height: 1.7;
  color: #4A5A60;
}

/* 交付标准引用 */
.home-standard {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 48px;
}

.standard-quote {
  background-color: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 28px 32px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--color-text);
}

.standard-quote p {
  margin-bottom: 8px;
}

.standard-quote p:last-child {
  margin-bottom: 0;
}

/* 首页 FAQ 摘要 */
.home-faq {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px;
}

.home-faq .faq-item summary {
  background-color: var(--color-white);
}

/* 咨询路径 */
.home-contact-path {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px;
  text-align: left;
}

.home-contact-path p {
  font-size: 16px;
  line-height: 1.8;
  color: #4A5A60;
  margin-bottom: 24px;
  max-width: var(--content-width);
}

.cta-button {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 16px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  min-height: 48px;
  line-height: 20px;
  transition: background-color 0.2s ease;
}

.cta-button:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

/* ============================================================
   pages / 内页通用（about / business / solutions / process / faq / contact）
   ============================================================ */
.inner-main {
  padding-bottom: 0;
}

/* 延伸阅读列表（内页通用） */
.related-list {
  list-style: none;
}

.related-list li {
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}

.related-list li:first-child {
  border-top: 1px solid var(--color-border);
}

.related-list a {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-block;
  padding: 4px 0;
  min-height: 44px;
  line-height: 36px;
}

.related-list a:hover {
  color: var(--color-accent);
}

.related-desc {
  display: block;
  font-size: 14px;
  color: #6B7A80;
  margin-top: 4px;
}

/* ============================================================
   pages / 关于我们
   ============================================================ */
.about-story {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 48px;
}

.story-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: start;
}

.story-text h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.story-text p {
  font-size: 16px;
  line-height: 1.8;
  color: #4A5A60;
  margin-bottom: 16px;
}

.story-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-primary-light);
}

.story-figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.story-figure figcaption {
  font-size: 13px;
  color: #6B7A80;
  padding: 12px 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.about-principle {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 48px;
}

.principle-inner h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.principle-quote {
  background-color: var(--color-white);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  margin-bottom: 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
}

.about-boundary {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 48px;
}

.boundary-inner h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 24px;
}

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

.boundary-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.boundary-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.boundary-list {
  list-style: none;
}

.boundary-list li {
  font-size: 15px;
  line-height: 1.7;
  color: #4A5A60;
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
}

.boundary-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.boundary-note {
  font-size: 14px;
  color: #6B7A80;
  line-height: 1.7;
  padding: 16px 20px;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-sm);
}

.about-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 0;
}

.links-inner h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

/* ============================================================
   pages / 业务范围
   ============================================================ */
.business-enterprise,
.business-individual {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 48px;
}

.business-enterprise .section-heading h2,
.business-individual .section-heading h2,
.delivery-note .section-heading h2 {
  font-size: 22px;
}

.service-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

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

.service-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.service-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.service-scene {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.service-desc {
  font-size: 15px;
  line-height: 1.7;
  color: #4A5A60;
}

.service-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-primary-light);
  margin-bottom: 32px;
}

.service-figure img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.service-figure figcaption {
  font-size: 13px;
  color: #6B7A80;
  padding: 12px 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.delivery-note {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 48px;
}

.delivery-table {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.delivery-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 24px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--color-border);
  align-items: baseline;
}

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

.delivery-header {
  background-color: var(--color-primary-light);
  font-weight: 700;
  color: var(--color-primary);
}

.delivery-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
}

.delivery-header .delivery-name {
  font-size: 14px;
  font-weight: 700;
}

.delivery-desc {
  font-size: 15px;
  line-height: 1.7;
  color: #4A5A60;
}

.delivery-header .delivery-desc {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
}

/* ============================================================
   pages / 解决方案
   ============================================================ */
.solution-enterprise,
.solution-individual,
.solution-compare {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 48px;
}

.solution-enterprise .section-heading h2,
.solution-individual .section-heading h2,
.solution-compare .section-heading h2 {
  font-size: 22px;
}

.section-lead {
  font-size: 16px;
  line-height: 1.8;
  color: #4A5A60;
  margin-bottom: 24px;
  max-width: var(--content-width);
}

.solution-body {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: start;
}

.solution-text h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 24px;
  margin-bottom: 8px;
}

.solution-text h3:first-child {
  margin-top: 0;
}

.solution-text p {
  font-size: 15px;
  line-height: 1.8;
  color: #4A5A60;
  margin-bottom: 16px;
}

.step-list {
  list-style: none;
  margin-top: 8px;
}

.step-list li {
  font-size: 15px;
  line-height: 1.7;
  color: #4A5A60;
  padding: 6px 0;
  padding-left: 24px;
  position: relative;
}

.step-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.solution-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-primary-light);
}

.solution-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.solution-figure figcaption {
  font-size: 13px;
  color: #6B7A80;
  padding: 12px 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  font-size: 15px;
}

.compare-table th,
.compare-table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.compare-table thead th {
  background-color: var(--color-primary-light);
  font-weight: 700;
  color: var(--color-primary);
  font-size: 14px;
}

.compare-table tbody th {
  font-weight: 600;
  color: var(--color-primary);
  width: 20%;
  background-color: var(--color-bg);
}

.compare-table tbody td {
  color: #4A5A60;
  line-height: 1.7;
}

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

.solution-conclusion {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 48px;
}

/* ============================================================
   pages / 合作流程
   ============================================================ */
.process-steps-section,
.process-materials-section,
.process-result-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 48px;
}

.process-steps-head,
.process-materials-head,
.process-result-head {
  margin-bottom: 24px;
}

.process-steps-head .section-number,
.process-materials-head .section-number,
.process-result-head .section-number {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.process-steps-head h2,
.process-materials-head h2,
.process-result-head h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.process-steps-head p,
.process-materials-head p,
.process-result-head p {
  font-size: 15px;
  color: #4A5A60;
  line-height: 1.7;
}

.process-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-primary-light);
  margin-bottom: 32px;
}

.process-figure img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.process-figure figcaption {
  font-size: 13px;
  color: #6B7A80;
  padding: 12px 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.process-step-list {
  list-style: none;
}

.process-step-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
}

.process-step-item:first-child {
  border-top: 1px solid var(--color-border);
}

.step-index {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  padding-top: 4px;
}

.step-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.step-detail {
  display: grid;
  gap: 8px;
}

.step-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  font-size: 15px;
  line-height: 1.7;
}

.step-row::before {
  content: attr(data-label);
  font-weight: 600;
  color: var(--color-primary);
}

.step-row span {
  color: #4A5A60;
}

.materials-list {
  list-style: none;
}

.materials-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 12px;
}

.materials-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.materials-item p {
  font-size: 15px;
  line-height: 1.7;
  color: #4A5A60;
}

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

.result-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.result-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.result-card p {
  font-size: 15px;
  line-height: 1.7;
  color: #4A5A60;
}

.process-quote {
  background-color: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 24px 28px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
}

.extended-reading {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 0;
}

.extended-reading h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.extended-list {
  list-style: none;
}

.extended-item {
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}

.extended-item:first-child {
  border-top: 1px solid var(--color-border);
}

.extended-item a {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-block;
  padding: 4px 0;
  min-height: 44px;
  line-height: 36px;
}

.extended-item a:hover {
  color: var(--color-accent);
}

.extended-desc {
  display: block;
  font-size: 14px;
  color: #6B7A80;
  margin-top: 4px;
}

/* ============================================================
   pages / 常见问题
   ============================================================ */
.faq-intro {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 48px;
}

.faq-intro-inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 40px;
  align-items: center;
}

.faq-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-primary-light);
}

.faq-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.faq-intro-text p {
  font-size: 16px;
  line-height: 1.8;
  color: #4A5A60;
  margin-bottom: 16px;
}

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

.faq-scope,
.faq-cooperation,
.faq-delivery {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 48px;
}

.faq-section-header {
  margin-bottom: 24px;
}

.faq-section-index {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.faq-section-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.faq-section-desc {
  font-size: 15px;
  color: #4A5A60;
  line-height: 1.7;
}

.faq-list {
  display: grid;
  gap: 12px;
}

/* FAQ 页脚链接区 */
.faq-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 0;
}

.links-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.links-list {
  list-style: none;
}

.links-item {
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}

.links-item:first-child {
  border-top: 1px solid var(--color-border);
}

.links-item a {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-block;
  padding: 4px 0;
  min-height: 44px;
  line-height: 36px;
}

.links-item a:hover {
  color: var(--color-accent);
}

.links-desc {
  display: block;
  font-size: 14px;
  color: #6B7A80;
  margin-top: 4px;
}

/* ============================================================
   pages / 咨询入口
   ============================================================ */
.contact-path {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 48px;
}

.path-intro {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 40px;
}

.path-intro h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.path-intro p {
  font-size: 16px;
  line-height: 1.8;
  color: #4A5A60;
  margin-bottom: 16px;
}

.path-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-primary-light);
}

.path-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.path-figure figcaption {
  font-size: 13px;
  color: #6B7A80;
  padding: 12px 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

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

.path-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  align-items: start;
}

.path-number {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  padding-top: 4px;
}

.path-content h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.path-content p {
  font-size: 15px;
  line-height: 1.7;
  color: #4A5A60;
  margin-bottom: 8px;
}

.path-content a {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-block;
  padding: 8px 0;
  min-height: 44px;
  line-height: 28px;
  border-bottom: 1px solid transparent;
}

.path-content a:hover {
  border-bottom-color: var(--color-accent);
}

.contact-steps {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 48px;
}

.contact-steps h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.contact-steps > p {
  font-size: 15px;
  color: #4A5A60;
  line-height: 1.7;
  margin-bottom: 24px;
}

.steps-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.step-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.step-item p {
  font-size: 15px;
  line-height: 1.7;
  color: #4A5A60;
  margin-bottom: 12px;
}

.step-item a {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-block;
  padding: 8px 0;
  min-height: 44px;
  line-height: 28px;
  border-bottom: 1px solid transparent;
}

.step-item a:hover {
  border-bottom-color: var(--color-accent);
}

.contact-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 0;
}

.contact-links h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

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

.error-content {
  max-width: 560px;
  text-align: left;
}

.error-code {
  font-size: 72px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.error-desc {
  font-size: 16px;
  line-height: 1.8;
  color: #4A5A60;
  margin-bottom: 32px;
}

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

.error-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  padding: 8px 0;
  min-height: 44px;
  line-height: 28px;
  border-bottom: 1px solid transparent;
}

.error-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ============================================================
   responsive / 响应式
   ============================================================ */
@media (max-width: 768px) {
  .header-inner {
    padding: 0 16px;
  }

  .footer-inner {
    padding: 32px 16px 20px;
  }

  .breadcrumb-inner,
  .breadcrumb-list {
    padding: 0 16px;
  }

  .inner-main .page-header {
    padding: 32px 16px 0;
  }

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

  .inner-main .page-heading {
    padding: 16px 16px 24px;
  }

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

  .hero-content h1 {
    font-size: 28px;
  }

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

  .home-services,
  .home-solutions,
  .home-process,
  .home-standard,
  .home-faq,
  .home-contact-path {
    padding: 32px 16px;
  }

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

  .service-card-wide {
    grid-column: span 1;
  }

  .solutions-split {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .related-links {
    padding: 0 16px;
    gap: 8px;
  }

  .related-links a.related-links-item {
    font-size: 14px;
  }

  .related-links-item + .related-links-item {
    margin-left: 0;
  }

  .index-inner {
    padding: 64px 16px 32px;
  }

  .index-close {
    top: 16px;
    right: 16px;
  }

  .index-link {
    font-size: 20px;
  }

  /* 内页 */
  .story-inner,
  .solution-body,
  .faq-intro-inner,
  .path-intro {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .story-figure img,
  .solution-figure img,
  .faq-figure img,
  .path-figure img {
    height: 200px;
  }

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

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

  .business-individual .service-list {
    grid-template-columns: 1fr;
  }

  .delivery-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 14px 16px;
  }

  .compare-table {
    font-size: 14px;
  }

  .compare-table th,
  .compare-table td {
    padding: 12px;
  }

  .compare-table tbody th {
    width: 30%;
  }

  .process-step-item {
    grid-template-columns: 40px 1fr;
    gap: 16px;
    padding: 20px 0;
  }

  .step-index {
    font-size: 24px;
  }

  .step-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .step-row::before {
    display: block;
    margin-bottom: 2px;
  }

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

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

  .path-item {
    grid-template-columns: 40px 1fr;
    gap: 16px;
    padding: 20px;
  }

  .service-figure img,
  .process-figure img {
    height: 200px;
  }

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

  .error-actions {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 24px;
  }

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

  .section-heading h2 {
    font-size: 22px;
  }

  .faq-item summary {
    padding: 16px;
    font-size: 15px;
  }

  .faq-item .faq-answer {
    padding: 0 16px 16px;
  }

  .footer-links {
    gap: 8px 16px;
  }
}

/* 程序验收反馈：修复网格孤项 */
@media (min-width: 769px) {
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}