/* ==========================================================
   吃瓜大全 · 整站样式表
   档案馆风：纸感米白底 / 墨色正文 / 黄铜索引 / 细分割线
   ========================================================== */

/* ==========================================================
   Base · 基础变量与重置
   ========================================================== */
:root {
  --color-bg: #F6F2EA;
  --color-ink: #23211D;
  --color-brass: #8C6B3F;
  --color-line: #D9D0BE;
  --color-card: #FFFFFF;
  --color-ink-soft: #4A463F;
  --color-ink-mute: #6E6A62;
  --color-brass-soft: #A98E6B;
  --font-serif: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  --container: 1120px;
  --container-narrow: 980px;
  --read-width: 760px;
  --radius: 8px;
  --radius-sm: 4px;
  --header-h: 72px;
  --space-section: 72px;
}

*,
*::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: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-ink);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-brass);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-ink);
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

p {
  margin-bottom: 1em;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================
   Layout · 全站骨架
   ========================================================== */

.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--color-bg);
}

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

.inner-main {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 24px;
}

.home-main {
  width: 100%;
}

/* ---------- 页头 ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(246, 242, 234, 0.96);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(4px);
}

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

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: 0.02em;
}

.brand-tagline {
  font-size: 12px;
  color: var(--color-ink-mute);
  margin-top: 2px;
}

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

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

.nav-list li {
  position: relative;
}

.nav-link {
  display: inline-block;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--color-ink-soft);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-ink);
  background-color: rgba(140, 107, 63, 0.08);
}

.nav-link.is-current {
  color: var(--color-brass);
  font-weight: 600;
}

.nav-link.is-current::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  background-color: var(--color-brass);
  border-radius: 1px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background-color: transparent;
  cursor: pointer;
  position: relative;
  align-items: center;
  justify-content: center;
}

.nav-toggle::before {
  content: "";
  width: 20px;
  height: 2px;
  background-color: var(--color-ink);
  box-shadow: 0 6px 0 var(--color-ink), 0 -6px 0 var(--color-ink);
  display: block;
}

/* ---------- 面包屑 ---------- */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px 0 0;
  font-size: 14px;
  color: var(--color-ink-mute);
}

.breadcrumb a {
  color: var(--color-brass);
}

.breadcrumb a:hover {
  color: var(--color-ink);
}

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

.breadcrumb-current {
  color: var(--color-ink-soft);
}

/* ---------- 页面标题 ---------- */

.page-header {
  padding: 28px 0 12px;
}

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

.page-title-section,
.page-title-area {
  padding: 0 0 32px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 40px;
}

.page-subtitle {
  max-width: var(--read-width);
  font-size: 16px;
  color: var(--color-ink-soft);
  line-height: 1.8;
}

/* ---------- 页脚 ---------- */

.site-footer {
  background-color: var(--color-ink);
  color: #C9C2B6;
  margin-top: 80px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 56px 24px 40px;
}

.footer-brand {
  padding-right: 24px;
}

.footer-logo {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: #F6F2EA;
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #A49C8E;
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: #F6F2EA;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  font-size: 14px;
  color: #A49C8E;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: #F6F2EA;
}

.footer-bottom {
  border-top: 1px solid rgba(217, 208, 190, 0.2);
  padding: 20px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: #8A8375;
  margin: 0;
}

/* ==========================================================
   Components · 通用组件
   ========================================================== */

/* ---------- 按钮 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  min-height: 44px;
}

.btn-primary {
  background-color: var(--color-brass);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: #7A5C36;
  color: #FFFFFF;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-ink);
  border-color: var(--color-line);
}

.btn-secondary:hover {
  border-color: var(--color-brass);
  color: var(--color-brass);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-brass);
  border-color: var(--color-brass);
}

.btn-outline:hover {
  background-color: var(--color-brass);
  color: #FFFFFF;
}

/* ---------- 内容图片 ---------- */

figure {
  margin: 0;
}

figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

figcaption {
  font-size: 13px;
  color: var(--color-ink-mute);
  line-height: 1.6;
  padding-top: 10px;
  text-align: left;
}

.content-media {
  margin: 32px 0;
}

.content-media img {
  border: 1px solid var(--color-line);
}

.content-media-inline {
  max-width: var(--read-width);
}

/* ---------- 区块标题 ---------- */

.section-title {
  font-size: 24px;
  margin-bottom: 12px;
  position: relative;
}

.section-intro {
  max-width: var(--read-width);
  color: var(--color-ink-soft);
  margin-bottom: 32px;
}

/* ---------- 服务条目（首页） ---------- */

.service-list {
  border-top: 1px solid var(--color-line);
}

.service-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-line);
  transition: background-color 0.2s ease;
}

.service-item:hover {
  background-color: rgba(255, 255, 255, 0.5);
}

.service-number {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--color-brass);
  flex-shrink: 0;
  min-width: 48px;
  padding-top: 4px;
}

.service-content {
  flex: 1;
}

.service-content h3 {
  margin-bottom: 4px;
}

.service-audience {
  font-size: 14px;
  color: var(--color-brass);
  margin-bottom: 8px;
}

.service-desc {
  font-size: 15px;
  color: var(--color-ink-soft);
  margin-bottom: 0;
}

.service-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  margin-top: 12px;
  white-space: nowrap;
}

/* ---------- FAQ 折叠 ---------- */

.faq-item {
  border-bottom: 1px solid var(--color-line);
  background-color: var(--color-card);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 18px 20px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 44px;
  transition: color 0.2s ease;
}

.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: var(--color-brass);
  font-weight: 400;
}

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

.faq-item[open] summary {
  color: var(--color-brass);
}

.faq-item p {
  padding: 0 20px 18px;
  font-size: 15px;
  color: var(--color-ink-soft);
}

.faq-answer p {
  padding: 0 20px 12px;
  font-size: 15px;
  color: var(--color-ink-soft);
}

.faq-answer p:last-child {
  padding-bottom: 20px;
}

.faq-answer strong {
  color: var(--color-ink);
  font-weight: 600;
}

/* ---------- 相关链接条 ---------- */

.related-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding: 32px 0 0;
  margin-top: 48px;
  border-top: 1px solid var(--color-line);
}

.related-links-label {
  font-size: 14px;
  color: var(--color-ink-mute);
}

.related-links-item {
  font-size: 14px;
  color: var(--color-brass);
  padding: 4px 0;
}

.related-links-item:hover {
  color: var(--color-ink);
}

/* ---------- CTA 区块 ---------- */

.cta-section {
  padding: 48px 0 0;
  margin-top: 24px;
}

.cta-section p {
  max-width: var(--read-width);
  color: var(--color-ink-soft);
}

.cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 20px;
}

.cta-link {
  display: inline-block;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-brass);
  border: 1px solid var(--color-brass);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.cta-link:hover {
  background-color: var(--color-brass);
  color: #FFFFFF;
}

/* ==========================================================
   Pages · 首页
   ========================================================== */

/* ---------- 主视觉 ---------- */

.hero-section {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  max-width: var(--container);
  margin: 0 auto;
  padding: 64px 24px 56px;
}

.hero-eyebrow {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-brass);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.hero-copy h1 {
  font-size: 34px;
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 16px;
  color: var(--color-ink-soft);
  max-width: 480px;
  margin-bottom: 28px;
}

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

.hero-media {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-card);
}

.hero-media img {
  width: 100%;
  height: auto;
  border-radius: 0;
}

.hero-media figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--color-ink-mute);
}

/* ---------- 档案索引条 ---------- */

.archive-index {
  max-width: var(--container);
  margin: 0 auto;
  padding: 56px 24px 24px;
}

.index-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-line);
}

.index-item {
  padding: 20px 16px;
  border-bottom: 1px solid var(--color-line);
  transition: background-color 0.2s ease;
}

.index-item + .index-item {
  border-left: 1px solid var(--color-line);
}

.index-item:hover {
  background-color: rgba(255, 255, 255, 0.6);
}

.index-number {
  display: block;
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--color-brass);
  margin-bottom: 6px;
}

.index-link {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
}

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

/* ---------- 人群场景 ---------- */

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

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

.scenario-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.scenario-card:hover {
  box-shadow: 0 4px 16px rgba(35, 33, 29, 0.06);
  transform: translateY(-2px);
}

.scenario-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.scenario-card p {
  font-size: 14px;
  color: var(--color-ink-soft);
  flex: 1;
  margin-bottom: 16px;
}

.card-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-brass);
}

.card-link:hover {
  color: var(--color-ink);
}

/* ---------- 服务菜单 ---------- */

.service-menu-section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px 24px;
}

/* ---------- 合作流程预览 ---------- */

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

.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 32px;
  position: relative;
}

.process-timeline::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--color-line);
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  padding: 0 12px;
}

.process-step .step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-bg);
  border: 1px solid var(--color-brass);
  color: var(--color-brass);
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

.process-step h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.process-step p {
  font-size: 14px;
  color: var(--color-ink-soft);
}

.process-action {
  text-align: center;
  margin-top: 24px;
}

/* ---------- FAQ 预告 ---------- */

.faq-preview-section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px 24px;
}

.faq-preview-list {
  margin-bottom: 32px;
}

.faq-action {
  text-align: center;
}

/* ==========================================================
   Pages · 企业服务 qiyefuwu
   ========================================================== */

/* ---------- 定位摘要 ---------- */

.summary-section {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  padding: 0 0 48px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 48px;
}

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

.summary-content p {
  color: var(--color-ink-soft);
  margin-bottom: 16px;
}

.delivery-note {
  font-size: 14px;
  color: var(--color-brass);
  border-left: 3px solid var(--color-brass);
  padding-left: 16px;
  margin-top: 20px;
}

.summary-figure {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-card);
}

.summary-figure img {
  border-radius: 0;
}

.summary-figure figcaption {
  padding: 12px 16px;
}

/* ---------- 适用场景 ---------- */

.scenarios-section {
  padding: 0 0 48px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 48px;
}

.scenarios-section > h2 {
  margin-bottom: 12px;
}

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

.scenario-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
}

.scenario-item h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.scenario-item p {
  font-size: 14px;
  color: var(--color-ink-soft);
  margin-bottom: 8px;
}

.scenario-item strong {
  display: block;
  font-size: 13px;
  color: var(--color-brass);
  font-weight: 600;
  margin-bottom: 8px;
}

.scenario-item a {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  margin-top: 8px;
}

/* ---------- 工作内容 ---------- */

.method-section {
  padding: 0 0 48px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 48px;
}

.method-section > h2 {
  margin-bottom: 12px;
}

.method-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.method-step {
  padding: 24px;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.method-step .step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-bg);
  border: 1px solid var(--color-brass);
  color: var(--color-brass);
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}

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

.method-step p {
  font-size: 14px;
  color: var(--color-ink-soft);
}

/* ---------- 服务边界 ---------- */

.boundary-section {
  padding: 0 0 48px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 48px;
}

.boundary-section > h2 {
  margin-bottom: 12px;
}

.boundary-list {
  margin: 24px 0;
}

.boundary-list li {
  position: relative;
  padding: 12px 0 12px 28px;
  font-size: 15px;
  color: var(--color-ink-soft);
  border-bottom: 1px solid var(--color-line);
}

.boundary-list li:last-child {
  border-bottom: none;
}

.boundary-list li::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 22px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--color-brass);
  border-radius: 50%;
}

.boundary-link {
  font-size: 14px;
}

.boundary-link a {
  font-weight: 600;
}

/* ---------- 合作入口 ---------- */

.cooperation-link-section {
  padding: 24px 0;
  text-align: center;
}

.cooperation-link-section p {
  color: var(--color-ink-soft);
  margin-bottom: 16px;
}

.cooperation-link {
  display: inline-block;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-brass);
  border: 1px solid var(--color-brass);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.cooperation-link:hover {
  background-color: var(--color-brass);
  color: #FFFFFF;
}

/* ==========================================================
   Pages · 行业观察 hangyeguancha
   ========================================================== */

/* ---------- 定位摘要 ---------- */

.overview-section {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  padding: 0 0 48px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 48px;
}

.overview-text h2 {
  margin-bottom: 16px;
}

.overview-text p {
  color: var(--color-ink-soft);
}

.overview-figure {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-card);
}

.overview-figure img {
  border-radius: 0;
}

.overview-figure figcaption {
  padding: 12px 16px;
}

/* ---------- 观察周期 ---------- */

.cycles-section {
  padding: 0 0 48px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 48px;
}

.cycles-section > h2 {
  margin-bottom: 12px;
}

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

.cycle-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
  border-top: 3px solid var(--color-brass);
}

.cycle-item h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.cycle-item p {
  font-size: 14px;
  color: var(--color-ink-soft);
}

.cycle-note {
  font-size: 13px !important;
  color: var(--color-brass) !important;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-line);
}

/* ---------- 跟踪维度 ---------- */

.dimensions-section {
  padding: 0 0 48px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 48px;
}

.dimensions-section > h2 {
  margin-bottom: 12px;
}

.dimension-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.dimension-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
}

.dimension-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
}

.dimension-card p {
  font-size: 14px;
  color: var(--color-ink-soft);
}

/* ---------- 交付形式 ---------- */

.deliverables-section {
  padding: 0 0 48px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 48px;
}

.deliverables-section > h2 {
  margin-bottom: 12px;
}

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

.deliverable-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
}

.deliverable-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.deliverable-item p {
  font-size: 14px;
  color: var(--color-ink-soft);
}

/* ---------- 适合岗位 ---------- */

.roles-section {
  padding: 0 0 48px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 48px;
}

.roles-section > h2 {
  margin-bottom: 12px;
}

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

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

.role-item h3 {
  font-size: 16px;
  color: var(--color-brass);
  margin-bottom: 6px;
}

.role-item p {
  font-size: 14px;
  color: var(--color-ink-soft);
}

/* ==========================================================
   Pages · 口碑梳理 pinpaikoubei
   ========================================================== */

.overview-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

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

.overview-content .overview-text p {
  color: var(--color-ink-soft);
}

.overview-section .delivery-note {
  margin-top: 32px;
}

/* ---------- 口碑梳理范围 ---------- */

.scope-section {
  padding: 0 0 48px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 48px;
}

.scope-section > h2 {
  margin-bottom: 24px;
}

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

.scope-list li {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
}

.scope-list h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.scope-list p {
  font-size: 14px;
  color: var(--color-ink-soft);
}

/* ---------- 信息维度 ---------- */

.dimensions-section .dimension-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
}

.dimension-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
}

.dimension-item p {
  font-size: 14px;
  color: var(--color-ink-soft);
}

/* ---------- 交付内容 ---------- */

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

.deliverables-list li {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
}

.deliverables-list h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.deliverables-list p {
  font-size: 14px;
  color: var(--color-ink-soft);
}

/* ---------- 服务边界 ---------- */

.boundary-section .boundary-list {
  margin: 24px 0;
}

.boundary-list strong {
  color: var(--color-ink);
  font-weight: 600;
}

.boundary-note {
  font-size: 14px;
  margin-top: 16px;
}

.boundary-note a {
  font-weight: 600;
}

/* ---------- 相关入口 ---------- */

.links-section {
  padding: 24px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.links-section p {
  font-size: 15px;
  color: var(--color-ink-soft);
  margin: 0;
}

.links-section a {
  display: inline-block;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-brass);
  border: 1px solid var(--color-brass);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.links-section a:hover {
  background-color: var(--color-brass);
  color: #FFFFFF;
}

/* ==========================================================
   Pages · 合作流程 hezuofangshi
   ========================================================== */

/* ---------- 五步时间轴 ---------- */

.process-steps {
  padding: 0 0 48px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 48px;
}

.process-steps .section-title {
  margin-bottom: 32px;
}

.steps-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  position: relative;
}

.steps-timeline::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 8%;
  right: 8%;
  height: 1px;
  background-color: var(--color-line);
  z-index: 0;
}

.process-steps .process-step {
  padding: 0 12px;
  text-align: center;
}

.process-steps .step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background-color: var(--color-bg);
  border: 1px solid var(--color-brass);
  color: var(--color-brass);
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

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

.process-steps .step-content p {
  font-size: 14px;
  color: var(--color-ink-soft);
}

/* ---------- 双方准备 ---------- */

.preparation-section {
  padding: 0 0 48px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 48px;
}

.preparation-section .section-title {
  margin-bottom: 32px;
}

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

.preparation-col {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.preparation-col h3 {
  font-size: 17px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-brass);
}

.preparation-list li {
  position: relative;
  padding: 8px 0 8px 20px;
  font-size: 14px;
  color: var(--color-ink-soft);
}

.preparation-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 6px;
  height: 6px;
  border: 1px solid var(--color-brass);
  border-radius: 50%;
}

/* ---------- 交付确认 ---------- */

.confirmation-section {
  padding: 0 0 48px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 48px;
}

.confirmation-section .section-title {
  margin-bottom: 32px;
}

.confirmation-figure {
  max-width: 640px;
  margin-bottom: 32px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-card);
}

.confirmation-figure img {
  border-radius: 0;
}

.confirmation-figure figcaption {
  padding: 12px 16px;
}

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

.confirmation-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
}

.confirmation-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.confirmation-item p {
  font-size: 14px;
  color: var(--color-ink-soft);
}

/* ==========================================================
   Pages · 常见问题 changjianwenti
   ========================================================== */

.page-title {
  margin-bottom: 8px;
}

.page-title + p {
  font-size: 15px;
  color: var(--color-ink-soft);
  max-width: var(--read-width);
}

/* ---------- 问题导航 ---------- */

.faq-nav {
  margin: 40px 0 48px;
  padding: 20px 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.faq-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.faq-nav a {
  display: inline-block;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-brass);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background-color: var(--color-card);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.faq-nav a:hover {
  border-color: var(--color-brass);
  background-color: rgba(140, 107, 63, 0.06);
}

/* ---------- FAQ 分组 ---------- */

.faq-group {
  padding: 0 0 48px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 48px;
}

.faq-group > h2 {
  margin-bottom: 8px;
}

.group-intro {
  font-size: 14px;
  color: var(--color-ink-mute);
  margin-bottom: 24px;
}

/* ---------- 下一入口 ---------- */

.next-links {
  padding: 24px 0 0;
}

.next-links p {
  font-size: 15px;
  color: var(--color-ink-soft);
  margin-bottom: 16px;
}

.next-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.next-links a {
  display: inline-block;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-brass);
  border: 1px solid var(--color-brass);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.next-links a:hover {
  background-color: var(--color-brass);
  color: #FFFFFF;
}

/* ==========================================================
   Pages · 404
   ========================================================== */

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

.error-section {
  text-align: center;
  max-width: 560px;
  padding: 48px 24px;
}

.error-code {
  font-family: var(--font-serif);
  font-size: 64px;
  color: var(--color-brass);
  line-height: 1;
  margin-bottom: 16px;
}

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

.error-desc {
  font-size: 15px;
  color: var(--color-ink-soft);
  margin-bottom: 32px;
}

.error-link {
  display: inline-block;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  background-color: var(--color-brass);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease;
}

.error-link:hover {
  background-color: #7A5C36;
  color: #FFFFFF;
}

/* ==========================================================
   Responsive · 响应式
   ========================================================== */

@media (max-width: 1024px) {
  .dimension-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-timeline {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 32px;
  }

  .steps-timeline::before {
    display: none;
  }

  .footer-inner {
    grid-template-columns: 1.4fr 1fr 1fr;
    row-gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --space-section: 48px;
  }

  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 22px;
  }

  .header-inner {
    height: 64px;
    padding: 0 16px;
  }

  .brand-name {
    font-size: 20px;
  }

  .brand-tagline {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-line);
    padding: 8px 0;
    box-shadow: 0 8px 16px rgba(35, 33, 29, 0.08);
  }

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

  .nav-list li {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 14px 24px;
    font-size: 16px;
    border-radius: 0;
  }

  .nav-link.is-current::after {
    display: none;
  }

  .nav-link.is-current {
    background-color: rgba(140, 107, 63, 0.08);
  }

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

  .breadcrumb {
    padding-top: 16px;
    font-size: 13px;
  }

  .page-header {
    padding-top: 20px;
  }

  .page-title {
    font-size: 28px;
  }

  .page-title-section,
  .page-title-area {
    margin-bottom: 32px;
    padding-bottom: 24px;
  }

  /* ---------- 首页 ---------- */

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

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

  .hero-lead {
    font-size: 15px;
  }

  .hero-media {
    order: 2;
  }

  .archive-index {
    padding: 40px 16px 16px;
  }

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

  .index-item:nth-child(odd) {
    border-left: none;
  }

  .index-item:nth-child(3) {
    border-left: none;
  }

  .index-item:nth-child(n + 3) {
    border-top: 1px solid var(--color-line);
  }

  .index-item + .index-item {
    border-left: 1px solid var(--color-line);
  }

  .index-item:nth-child(3) {
    border-left: none;
  }

  .scenario-section,
  .service-menu-section,
  .process-section,
  .faq-preview-section {
    padding: 40px 16px;
  }

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

  .process-timeline {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .process-timeline::before {
    display: none;
  }

  .process-step {
    padding: 0;
  }

  .service-item {
    flex-direction: column;
    gap: 12px;
    padding: 24px 0;
  }

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

  .service-link {
    align-self: flex-start;
  }

  /* ---------- 内页 ---------- */

  .summary-section,
  .overview-section,
  .overview-content {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .summary-figure,
  .overview-figure {
    order: 2;
  }

  .scenario-list,
  .cycle-list,
  .deliverable-list,
  .role-list,
  .scope-list,
  .deliverables-list,
  .confirmation-list {
    grid-template-columns: 1fr;
  }

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

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

  .steps-timeline {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .process-steps .process-step {
    text-align: left;
  }

  .process-steps .step-number {
    margin: 0 0 12px;
  }

  .faq-nav ul {
    flex-direction: column;
    gap: 8px;
  }

  .faq-nav a {
    display: block;
    text-align: center;
  }

  .faq-item summary {
    font-size: 15px;
    padding: 16px 40px 16px 16px;
  }

  .faq-answer p {
    padding: 0 16px 12px;
    font-size: 14px;
  }

  .faq-answer p:last-child {
    padding-bottom: 16px;
  }

  .links-section {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .cta-link {
    text-align: center;
  }

  /* ---------- 页脚 ---------- */

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

  .footer-brand {
    grid-column: 1 / -1;
    padding-right: 0;
  }

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

@media (max-width: 480px) {
  .index-list {
    grid-template-columns: 1fr;
  }

  .index-item {
    border-left: none !important;
    border-top: 1px solid var(--color-line);
  }

  .index-item:first-child {
    border-top: none;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }

  .hero-actions {
    flex-direction: column;
  }

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