/* =========================================================
   今日吃瓜 · 网站样式
   base / layout / components / pages / responsive
   ========================================================= */

/* ---------------------------------------------------------
   base
   --------------------------------------------------------- */
:root {
  --paper: #F6F3EC;
  --ink: #22231F;
  --gray: #6A6C64;
  --orange: #B85B36;
  --mist: #9EADA4;
  --sand: #E8E1D5;
  --line: #D8D2C4;
  --line-soft: #E4DED1;
  --radius: 6px;
  --radius-sm: 4px;
  --container: 1180px;
  --pad: 24px;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
}

h3 {
  font-weight: 500;
}

p {
  margin: 0 0 16px;
}

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

a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

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

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

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

figure {
  margin: 0;
}

dl, dd, dt {
  margin: 0;
}

button {
  font-family: inherit;
}

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

/* ---------------------------------------------------------
   layout · 全站骨架
   --------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 72px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: 20px;
  line-height: 1;
  color: var(--ink);
  white-space: nowrap;
  padding: 6px 0;
  flex-shrink: 0;
}

a.brand-mark:hover {
  color: var(--orange);
}

.site-nav {
  flex: 1 1 auto;
  min-width: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-list::-webkit-scrollbar {
  display: none;
}

.nav-item a {
  display: inline-block;
  padding: 8px 10px;
  font-size: 15px;
  color: var(--gray);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.nav-item a:hover {
  color: var(--ink);
  border-bottom-color: var(--line);
}

.nav-item.is-current a,
.nav-item a.is-current {
  color: var(--ink);
  font-weight: 500;
  border-bottom-color: var(--orange);
}

.header-cta {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 16px;
  font-size: 14px;
  color: var(--paper);
  background: var(--ink);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.header-cta:hover {
  color: var(--paper);
  background: var(--orange);
}

.site-main {
  display: block;
}

.inner-main {
  padding-bottom: 72px;
}

/* 面包屑 */
.breadcrumb {
  max-width: var(--container);
  margin: 0 auto;
  padding: 20px var(--pad) 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  flex-wrap: wrap;
}

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

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

.breadcrumb-sep {
  color: var(--line);
}

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

/* 页面标题区 */
.page-header {
  max-width: var(--container);
  margin: 0 auto;
  padding: 24px var(--pad) 0;
}

.page-title {
  font-size: 44px;
  line-height: 1.2;
  font-weight: 600;
  color: var(--ink);
  max-width: 900px;
}

/* ---------------------------------------------------------
   components · 通用组件
   --------------------------------------------------------- */
.eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.08em;
  font-weight: 500;
  color: var(--orange);
}

.index-num,
.step-num,
.anchor-index,
.dimension-index,
.timeline-index,
.principle-num,
.section-index,
.field-label,
.prepare-index {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.08em;
  color: var(--orange);
  display: inline-block;
}

.section-head {
  margin-bottom: 32px;
  max-width: 760px;
}

.section-head h2 {
  font-size: 30px;
  line-height: 1.35;
  margin-bottom: 12px;
}

.section-desc,
.section-lead,
.section-intro {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray);
}

.section-title {
  font-size: 30px;
  line-height: 1.35;
  margin-bottom: 12px;
}

.section-lead {
  margin-bottom: 28px;
  max-width: 760px;
}

.text-link {
  display: inline-block;
  font-size: 15px;
  color: var(--orange);
  border-bottom: 1px solid var(--orange);
  padding-bottom: 1px;
  line-height: 1.5;
}

.text-link:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 22px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  line-height: 1.4;
  cursor: pointer;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.btn-primary:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--paper);
}

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

.btn-ghost:hover {
  border-color: var(--ink);
  color: var(--ink);
  background: var(--sand);
}

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--sand);
  color: var(--gray);
  margin-right: 6px;
  margin-bottom: 4px;
  white-space: nowrap;
}

/* 图片容器 */
.hero-media,
.method-media,
.page-hero-media,
.page-hero-figure {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--sand);
  border: 1px solid var(--line-soft);
}

.hero-media img,
.method-media img,
.page-hero-media img,
.page-hero-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.media-caption,
.figure-caption,
.page-hero-media figcaption,
.page-hero-figure figcaption {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray);
  padding: 10px 12px;
  background: var(--sand);
  border-top: 1px solid var(--line-soft);
}

/* 相关链接条 */
.related-links {
  max-width: var(--container);
  margin: 0 auto;
  padding: 24px var(--pad);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 20px;
  border-top: 1px solid var(--line);
}

.related-links-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.related-links-item {
  font-size: 15px;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
}

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

/* ---------------------------------------------------------
   components · 页脚
   --------------------------------------------------------- */
.site-footer {
  background: var(--ink);
  color: var(--sand);
  margin-top: 0;
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  padding-top: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(232, 225, 213, 0.16);
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 460px;
}

.footer-brand .brand-mark {
  color: var(--paper);
  font-size: 22px;
  margin-bottom: 12px;
}

.footer-slogan {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.footer-cta {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 18px;
  border: 1px solid rgba(232, 225, 213, 0.4);
  border-radius: var(--radius-sm);
  color: var(--paper);
  font-size: 14px;
  white-space: nowrap;
}

.footer-cta:hover {
  color: var(--paper);
  border-color: var(--orange);
  background: var(--orange);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  padding-top: 36px;
  padding-bottom: 32px;
}

.footer-group-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--paper);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}

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

.footer-links li:last-child {
  margin-bottom: 0;
}

.footer-links a {
  font-size: 14px;
  color: var(--mist);
  line-height: 1.6;
}

.footer-links a:hover {
  color: var(--paper);
}

.footer-note {
  padding-top: 20px;
  padding-bottom: 20px;
  border-top: 1px solid rgba(232, 225, 213, 0.16);
}

.footer-note p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.footer-bottom {
  padding-top: 16px;
  padding-bottom: 28px;
  border-top: 1px solid rgba(232, 225, 213, 0.16);
}

.copyright {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------------------------------------------------------
   pages · 首页
   --------------------------------------------------------- */
.home-main {
  display: block;
}

.home-main section {
  padding: 96px 0;
}

.home-main section:first-child {
  padding-top: 64px;
}

/* 首屏 */
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}

.hero-copy .eyebrow {
  margin-bottom: 18px;
}

.hero-copy h1 {
  font-size: 44px;
  line-height: 1.2;
  font-weight: 600;
  margin-bottom: 22px;
  max-width: 620px;
}

.hero-lead {
  font-size: 18px;
  line-height: 1.75;
  color: var(--ink);
  margin-bottom: 16px;
  max-width: 560px;
}

.hero-note {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
  margin-bottom: 28px;
  max-width: 560px;
}

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

.hero-media {
  aspect-ratio: 4 / 3;
  align-self: stretch;
}

.hero-media img {
  min-height: 100%;
}

/* 核心目录 */
.directory-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}

.directory-item {
  padding: 24px 20px 24px 0;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  padding-left: 20px;
}

.directory-item:first-child {
  padding-left: 0;
}

.directory-item:last-child {
  border-right: none;
}

.directory-item .index-num {
  margin-bottom: 14px;
}

.directory-name {
  font-size: 18px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.directory-name a {
  color: var(--ink);
}

.directory-name a:hover {
  color: var(--orange);
}

.directory-purpose {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin: 0;
}

/* 服务矩阵 */
.services-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 64px;
  align-items: start;
}

.services-intro h2 {
  font-size: 30px;
  line-height: 1.35;
  margin-bottom: 16px;
}

.services-intro p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
  margin-bottom: 14px;
}

.services-intro .text-link {
  margin-top: 8px;
}

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

.service-row {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.service-name {
  font-size: 19px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.service-remind {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 10px;
}

.service-output {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

/* 角色任务 */
.roles-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.role-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
}

.role-name {
  font-size: 17px;
  line-height: 1.4;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.role-detail dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--orange);
  margin-bottom: 2px;
}

.role-detail dd {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 12px;
}

.role-detail dd:last-child {
  margin-bottom: 0;
}

/* 场景摘要 */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.scenario-card {
  background: var(--sand);
  border-radius: var(--radius);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
}

.scenario-name {
  font-size: 18px;
  line-height: 1.4;
  margin-bottom: 14px;
}

.scenario-trigger,
.scenario-output {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 10px;
}

.scenario-card .text-link {
  margin-top: auto;
  align-self: flex-start;
  padding-top: 6px;
}

/* 合作流程 */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}

.process-step {
  padding: 24px 20px 24px 0;
  border-right: 1px solid var(--line);
  padding-left: 20px;
}

.process-step:first-child {
  padding-left: 0;
}

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

.process-step .step-num {
  margin-bottom: 14px;
}

.process-step .step-name {
  font-size: 17px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.process-step .step-action {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 10px;
}

.process-step .step-output {
  margin: 0;
}

/* 观察方法摘要 */
.method-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 64px;
  align-items: start;
}

.method-media {
  aspect-ratio: 4 / 3;
}

.method-copy h2 {
  font-size: 30px;
  line-height: 1.35;
  margin-bottom: 16px;
}

.method-copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
  margin-bottom: 16px;
}

.field-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.field-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink);
  background: var(--paper);
}

.method-note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  padding-left: 14px;
  border-left: 2px solid var(--mist);
  margin-bottom: 20px;
}

/* 常见问题摘要 */
.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 64px;
  align-items: start;
}

.faq-intro h2 {
  font-size: 30px;
  line-height: 1.35;
  margin-bottom: 16px;
}

.faq-intro p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
  margin-bottom: 24px;
}

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

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

.faq-question {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 8px;
}

.faq-direction {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 10px;
}

/* 合作准备入口 */
.prepare-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 40px 40px;
  background: var(--sand);
  border-radius: var(--radius);
  flex-wrap: wrap;
}

.prepare-copy h2 {
  font-size: 26px;
  line-height: 1.35;
  margin-bottom: 10px;
}

.prepare-copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
  margin: 0;
  max-width: 620px;
}

/* ---------------------------------------------------------
   pages · 内页通用
   --------------------------------------------------------- */
.page-hero {
  padding: 40px 0 0;
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}

.page-hero-text {
  max-width: 560px;
}

.page-hero-lead,
.page-lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
  margin-bottom: 16px;
}

.page-hero-note,
.page-note,
.page-hint {
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
  margin-bottom: 16px;
}

.page-hero-text .text-link {
  margin-top: 8px;
}

.page-hero-media,
.page-hero-figure {
  aspect-ratio: 4 / 3;
}

/* 内页 section 间距 */
.section {
  padding: 56px 0;
}

.section:first-of-type {
  padding-top: 48px;
}

/* 内页相关页面网格 */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.related-card {
  display: block;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.related-card:hover {
  border-color: var(--orange);
  background: var(--sand);
}

.related-card h3 {
  font-size: 17px;
  line-height: 1.4;
  margin-bottom: 8px;
  color: var(--ink);
}

.related-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin: 0;
}

.related-label,
.related-name {
  display: block;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 6px;
  color: var(--ink);
}

.related-desc {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

.related-item a {
  display: block;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 6px;
  color: var(--ink);
}

.related-item a:hover {
  color: var(--orange);
}

.related-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin: 0;
}

.related-link-item a {
  display: block;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.related-link-item a:hover {
  border-color: var(--orange);
  background: var(--sand);
}

.related-link-name {
  display: block;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 6px;
  color: var(--ink);
}

.related-link-note {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------------------------------------------------------
   pages · 服务范围
   --------------------------------------------------------- */
.service-overview {
  padding: 56px 0;
}

.service-anchor-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  margin-top: 24px;
}

.service-anchor-item {
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.service-anchor-item:last-child {
  border-right: none;
}

.service-anchor-item a {
  display: block;
  padding: 20px 18px;
  height: 100%;
}

.service-anchor-item a:hover {
  background: var(--sand);
}

.anchor-index {
  display: block;
  margin-bottom: 10px;
}

.anchor-name {
  display: block;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 6px;
  color: var(--ink);
}

.anchor-note {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--gray);
}

.service-detail {
  padding: 56px 0;
  border-top: 1px solid var(--line);
}

.service-detail-alt {
  background: var(--sand);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.service-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 56px;
  align-items: start;
}

.service-detail-intro .field-label {
  display: block;
  margin-bottom: 12px;
}

.service-detail-intro h2 {
  font-size: 26px;
  line-height: 1.35;
  margin-bottom: 14px;
}

.service-detail-intro p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  margin-bottom: 12px;
}

.service-note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  padding-left: 14px;
  border-left: 2px solid var(--mist);
  margin: 0;
}

.service-detail-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.field-block {
  min-width: 0;
}

.field-title {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

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

.field-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 8px;
}

.field-list li:last-child {
  margin-bottom: 0;
}

.field-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mist);
}

/* 适用与不适用 */
.scope-fit {
  padding: 56px 0;
  border-top: 1px solid var(--line);
}

.scope-fit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.scope-fit-col {
  padding: 26px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.scope-fit-yes {
  background: var(--paper);
}

.scope-fit-no {
  background: var(--sand);
}

.scope-fit-heading {
  font-size: 18px;
  line-height: 1.4;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.scope-fit-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 10px;
}

.scope-fit-list li:last-child {
  margin-bottom: 0;
}

.scope-fit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

.scope-fit-no .scope-fit-list li::before {
  background: var(--gray);
}

/* 服务范围页相关链接 */
.related-links-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

/* ---------------------------------------------------------
   pages · 观察方法
   --------------------------------------------------------- */
.page-summary {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
  margin-bottom: 14px;
}

/* 时间线 */
.timeline {
  border-left: 2px solid var(--line);
  padding-left: 28px;
  margin-top: 8px;
}

.timeline-item {
  position: relative;
  padding-bottom: 32px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--orange);
}

.timeline-index {
  display: block;
  margin-bottom: 8px;
}

.timeline-title {
  font-size: 20px;
  line-height: 1.4;
  margin-bottom: 10px;
}

.timeline-body > p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
  margin-bottom: 14px;
  max-width: 720px;
}

.timeline-meta {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 6px 16px;
  font-size: 14px;
  line-height: 1.7;
  padding: 14px 16px;
  background: var(--sand);
  border-radius: var(--radius-sm);
  max-width: 720px;
}

.timeline-meta dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
  padding-top: 2px;
}

.timeline-meta dd {
  color: var(--gray);
  margin: 0;
}

/* 事实分层 */
.layer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.layer-card {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.layer-title {
  font-size: 18px;
  line-height: 1.4;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.layer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 14px;
}

.layer-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
  margin-bottom: 8px;
}

.layer-list li:last-child {
  margin-bottom: 0;
}

.layer-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mist);
}

/* 简报字段 */
.brief-structure .field-list {
  border-top: 1px solid var(--line);
}

.field-row {
  display: grid;
  grid-template-columns: minmax(140px, 220px) minmax(0, 1fr);
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.field-name {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--orange);
  font-weight: 500;
  padding-top: 2px;
}

.field-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.section-foot {
  margin-top: 24px;
}

/* 方法限制 */
.limit-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.limit-item {
  padding: 22px 20px;
  background: var(--sand);
  border-radius: var(--radius);
}

.limit-title {
  font-size: 17px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.limit-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin: 0;
}

/* ---------------------------------------------------------
   pages · 适用场景比较
   --------------------------------------------------------- */
.dimension-list {
  border-top: 1px solid var(--line);
}

.dimension-item {
  display: grid;
  grid-template-columns: 56px minmax(140px, 220px) minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.dimension-item h3 {
  font-size: 16px;
  line-height: 1.4;
}

.dimension-item p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
  margin: 0;
}

/* 场景对照表 */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.compare-col {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  display: flex;
  flex-direction: column;
}

.compare-col-title {
  font-size: 17px;
  line-height: 1.4;
  padding: 16px 18px;
  background: var(--sand);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

.compare-fields {
  padding: 4px 0;
  flex: 1;
}

.compare-field {
  padding: 12px 18px;
  border-bottom: 1px solid var(--line-soft);
}

.compare-field:last-child {
  border-bottom: none;
}

.compare-field dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--orange);
  margin-bottom: 4px;
}

.compare-field dd {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin: 0;
}

/* 适合与不适合 */
.fit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.fit-col {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.fit-col-muted {
  background: var(--sand);
}

.fit-col h3 {
  font-size: 17px;
  line-height: 1.4;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.fit-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 10px;
}

.fit-list li:last-child {
  margin-bottom: 0;
}

.fit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--orange);
}

.fit-col-muted .fit-list li::before {
  background: var(--gray);
}

/* 准备建议 */
.prepare-body {
  border-top: 1px solid var(--line);
}

.prepare-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.prepare-index {
  padding-top: 3px;
}

.prepare-item p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  margin: 0;
}

.section-related {
  border-top: 1px solid var(--line);
  margin-top: 8px;
}

/* ---------------------------------------------------------
   pages · 合作指南
   --------------------------------------------------------- */
.process-section .section-head .index-num {
  display: block;
  margin-bottom: 10px;
}

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

.process-section .process-step {
  border-bottom: 1px solid var(--line);
}

/* 资料清单 */
.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.checklist-col {
  padding: 24px 22px;
  background: var(--sand);
  border-radius: var(--radius);
}

.checklist-title {
  font-size: 17px;
  line-height: 1.4;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.checklist-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 10px;
}

.checklist-list li:last-child {
  margin-bottom: 0;
}

.checklist-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--orange);
  border-radius: 2px;
}

/* 确认节点 */
.confirm-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.confirm-col {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.confirm-col .field-label {
  display: block;
  margin-bottom: 8px;
}

.confirm-title {
  font-size: 17px;
  line-height: 1.4;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.confirm-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 8px;
}

.confirm-list li:last-child {
  margin-bottom: 0;
}

.confirm-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mist);
}

/* 接洽说明 */
.contact-note-section {
  border-top: 1px solid var(--line);
}

.contact-note-body p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  max-width: 820px;
  margin-bottom: 14px;
}

.contact-note-body p:last-child {
  margin-bottom: 0;
  color: var(--gray);
}

.related-section {
  border-top: 1px solid var(--line);
}

/* ---------------------------------------------------------
   pages · 常见问题
   --------------------------------------------------------- */
.faq-group {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

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

.faq-group .section-index {
  display: block;
  margin-bottom: 10px;
}

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

.faq-group .faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-group .faq-question {
  position: relative;
  display: block;
  padding: 18px 40px 18px 0;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.faq-group .faq-question::-webkit-details-marker {
  display: none;
}

.faq-group .faq-question::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--orange);
  transition: transform 0.2s ease;
}

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

.faq-item[open] .faq-question {
  color: var(--orange);
}

.faq-answer {
  padding: 0 40px 20px 0;
}

.faq-answer p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  margin-bottom: 10px;
}

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

.faq-boundary {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  padding-left: 14px;
  border-left: 2px solid var(--mist);
}

/* 不适用事项 */
.faq-exclude {
  padding: 32px 0 0;
}

.faq-exclude-title {
  font-size: 17px;
  line-height: 1.4;
  margin-bottom: 12px;
}

.faq-exclude-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 8px;
}

.faq-exclude-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 1px;
  background: var(--orange);
}

.related {
  padding: 48px 0 0;
}

/* ---------------------------------------------------------
   pages · 关于
   --------------------------------------------------------- */
.narrow {
  max-width: 820px;
}

.brand-positioning {
  padding-top: 8px;
}

.brand-positioning h2 {
  font-size: 26px;
  line-height: 1.35;
  margin-bottom: 16px;
}

.brand-positioning p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
  margin-bottom: 16px;
}

.brand-positioning p:last-child {
  margin-bottom: 0;
  color: var(--gray);
}

/* 工作原则 */
.principle-list {
  border-top: 1px solid var(--line);
}

.principle-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.principle-num {
  padding-top: 3px;
}

.principle-body h3 {
  font-size: 18px;
  line-height: 1.4;
  margin-bottom: 6px;
}

.principle-body p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
  margin: 0;
}

/* 服务对象 */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.audience-card {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.audience-card h3 {
  font-size: 17px;
  line-height: 1.4;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.audience-task,
.audience-way {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 10px;
}

.audience-way {
  margin-bottom: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

/* 不承接事项 */
.excluded-scope {
  border-top: 1px solid var(--line);
}

.excluded-scope h2 {
  font-size: 26px;
  line-height: 1.35;
  margin-bottom: 12px;
}

.excluded-scope > .container > p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
  margin-bottom: 24px;
}

.excluded-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.excluded-list li {
  padding: 18px 20px;
  background: var(--sand);
  border-radius: var(--radius);
}

.excluded-list li h3 {
  font-size: 16px;
  line-height: 1.4;
  margin-bottom: 6px;
}

.excluded-list li p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin: 0;
}

.related-links.section {
  padding-top: 48px;
  padding-bottom: 0;
}

.related-links.section > .container > h2 {
  font-size: 24px;
  line-height: 1.35;
  margin-bottom: 20px;
}

/* ---------------------------------------------------------
   pages · 站点地图
   --------------------------------------------------------- */
.sitemap-group {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: 40px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.sitemap-group-intro .index-num {
  display: block;
  margin-bottom: 10px;
}

.sitemap-group-intro h2 {
  font-size: 24px;
  line-height: 1.35;
  margin-bottom: 10px;
}

.sitemap-group-intro p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin: 0;
}

.sitemap-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-content: start;
}

.sitemap-links li {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.sitemap-links li a {
  display: block;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 6px;
  color: var(--ink);
}

.sitemap-links li a:hover {
  color: var(--orange);
}

.sitemap-desc {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--gray);
}

.sitemap-note {
  padding: 32px 0 8px;
}

.sitemap-note h2 {
  font-size: 20px;
  line-height: 1.4;
  margin-bottom: 10px;
}

.sitemap-note p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
  max-width: 820px;
  margin: 0;
}

/* ---------------------------------------------------------
   pages · 404
   --------------------------------------------------------- */
.error-main {
  padding: 96px 0 120px;
}

.error-inner {
  max-width: 720px;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--orange);
  margin-bottom: 16px;
}

.error-main h1 {
  font-size: 40px;
  line-height: 1.25;
  margin-bottom: 18px;
}

.error-lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--gray);
  margin-bottom: 28px;
}

.error-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.error-links li a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--ink);
}

.error-links li a:hover {
  border-color: var(--orange);
  color: var(--orange);
  background: var(--sand);
}

.error-note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  padding-left: 14px;
  border-left: 2px solid var(--mist);
}

/* ---------------------------------------------------------
   responsive
   --------------------------------------------------------- */
@media (max-width: 1080px) {
  .directory-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .directory-item:nth-child(2n) {
    border-right: none;
  }

  .directory-item:nth-child(2n + 1) {
    padding-left: 0;
  }

  .roles-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-step:nth-child(2n) {
    border-right: none;
  }

  .process-step:nth-child(2n + 1) {
    padding-left: 0;
  }

  .service-anchor-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-anchor-item:nth-child(2n) {
    border-right: none;
  }

  .layer-grid,
  .limit-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .header-inner {
    height: auto;
    padding-top: 14px;
    padding-bottom: 10px;
    flex-wrap: wrap;
    gap: 10px 16px;
  }

  .site-nav {
    order: 3;
    flex: 1 1 100%;
    width: 100%;
    position: relative;
  }

  .site-nav::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 28px;
    height: 100%;
    pointer-events: none;
    background: linear-gradient(to right, rgba(246, 243, 236, 0), var(--paper));
  }

  .nav-list {
    gap: 2px;
    padding-bottom: 2px;
  }

  .nav-item a {
    padding: 8px 12px;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
  }

  .header-cta {
    margin-left: auto;
  }

  .page-title {
    font-size: 32px;
    line-height: 1.25;
  }

  .home-main section {
    padding: 56px 0;
  }

  .home-main section:first-child {
    padding-top: 32px;
  }

  .hero-grid,
  .services-grid,
  .method-grid,
  .faq-grid,
  .page-hero-grid,
  .service-detail-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .hero-copy h1 {
    font-size: 32px;
    line-height: 1.25;
    max-width: none;
  }

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

  .hero-media,
  .method-media,
  .page-hero-media,
  .page-hero-figure {
    aspect-ratio: 16 / 10;
    max-width: 100%;
  }

  .section-head h2,
  .section-title,
  .services-intro h2,
  .method-copy h2,
  .faq-intro h2 {
    font-size: 24px;
    line-height: 1.4;
  }

  .scenario-grid,
  .related-grid,
  .related-links-grid,
  .checklist-grid,
  .fit-grid,
  .scope-fit-grid,
  .audience-grid,
  .excluded-list,
  .confirm-grid,
  .layer-grid,
  .limit-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .compare-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .compare-col {
    border-right: 1px solid var(--line);
  }

  .dimension-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 4px 12px;
  }

  .dimension-item h3 {
    grid-column: 2;
  }

  .dimension-item p {
    grid-column: 2;
  }

  .field-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .sitemap-group {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .footer-nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .prepare-inner {
    padding: 28px 24px;
    gap: 20px;
  }

  .prepare-copy h2 {
    font-size: 22px;
  }

  .timeline {
    padding-left: 22px;
  }

  .timeline-item::before {
    left: -29px;
  }

  .timeline-meta {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .error-main {
    padding: 64px 0 80px;
  }

  .error-main h1 {
    font-size: 30px;
  }
}

@media (max-width: 640px) {
  :root {
    --pad: 18px;
  }

  body {
    font-size: 15px;
  }

  .header-inner {
    gap: 8px 12px;
  }

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

  .header-cta {
    height: 34px;
    padding: 0 12px;
    font-size: 13px;
  }

  .nav-item a {
    font-size: 14px;
    padding: 8px 10px;
  }

  .breadcrumb {
    padding-top: 14px;
    font-size: 13px;
  }

  .page-header {
    padding-top: 16px;
  }

  .page-title {
    font-size: 28px;
    line-height: 1.3;
  }

  .home-main section {
    padding: 44px 0;
  }

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

  .hero-actions {
    gap: 10px;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
    min-width: 0;
  }

  .directory-list,
  .roles-grid,
  .scenario-grid,
  .related-grid,
  .related-links-grid,
  .checklist-grid,
  .fit-grid,
  .scope-fit-grid,
  .audience-grid,
  .excluded-list,
  .confirm-grid,
  .layer-grid,
  .limit-list,
  .service-anchor-list,
  .process-steps,
  .sitemap-links {
    grid-template-columns: minmax(0, 1fr);
  }

  .directory-item,
  .directory-item:first-child,
  .directory-item:nth-child(2n + 1) {
    padding: 18px 0;
    border-right: none;
  }

  .process-step,
  .process-step:first-child,
  .process-step:nth-child(2n + 1) {
    padding: 20px 0;
    border-right: none;
  }

  .service-anchor-item {
    border-right: none;
  }

  .service-detail-fields {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .service-detail,
  .service-overview,
  .scope-fit,
  .faq-group,
  .section {
    padding: 40px 0;
  }

  .section-head {
    margin-bottom: 24px;
  }

  .section-head h2,
  .section-title,
  .services-intro h2,
  .method-copy h2,
  .faq-intro h2,
  .brand-positioning h2,
  .excluded-scope h2 {
    font-size: 22px;
  }

  .page-hero {
    padding-top: 24px;
  }

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

  .faq-group .faq-question {
    font-size: 16px;
    padding-right: 32px;
  }

  .faq-answer {
    padding-right: 0;
  }

  .prepare-inner {
    padding: 22px 18px;
  }

  .prepare-inner .btn {
    width: 100%;
  }

  .footer-top {
    padding-top: 32px;
    padding-bottom: 24px;
    gap: 20px;
  }

  .footer-cta {
    width: 100%;
    justify-content: center;
  }

  .footer-nav {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
    padding-top: 26px;
    padding-bottom: 24px;
  }

  .related-links {
    padding: 20px var(--pad);
    gap: 10px 16px;
  }

  .error-main h1 {
    font-size: 26px;
  }

  .error-links li {
    flex: 1 1 auto;
  }

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

  .timeline {
    padding-left: 18px;
  }

  .timeline-item::before {
    left: -25px;
  }

  .timeline-title {
    font-size: 18px;
  }

  .principle-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 10px;
  }

  .prepare-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 10px;
  }

  .dimension-item {
    grid-template-columns: 32px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}