/* ==========================================================================
   酷漫屋 wphnn.cn — 全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base
   -------------------------------------------------------------------------- */
:root {
  --c-primary: #1f4e8c;
  --c-primary-dark: #173c6d;
  --c-text: #23272e;
  --c-muted: #5b6470;
  --c-line: #d8dee6;
  --c-panel: #f4f6f9;
  --c-panel-soft: #eef2f7;
  --c-bg: #ffffff;
  --radius: 6px;
  --radius-sm: 4px;
  --shadow-card: 0 1px 2px rgba(35, 39, 46, 0.06);
  --wrap: 1080px;
  --read: 760px;
  --gap: 24px;
}

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

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

body.site-body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 12px;
  color: var(--c-primary-dark);
  font-weight: 700;
  line-height: 1.35;
}

h1 {
  font-size: 30px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 18px;
}

h4 {
  font-size: 16px;
}

p {
  margin: 0 0 14px;
}

ul,
ol {
  margin: 0 0 14px;
  padding-left: 1.25em;
}

li {
  margin-bottom: 8px;
}

a {
  color: var(--c-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover,
a:focus-visible {
  color: var(--c-primary-dark);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
}

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

figure {
  margin: 0;
}

figcaption {
  margin-top: 8px;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.6;
}

dl {
  margin: 0 0 14px;
}

dt {
  font-weight: 700;
  color: var(--c-text);
}

dd {
  margin: 0 0 10px;
  color: var(--c-muted);
}

button {
  font: inherit;
  color: inherit;
}

/* --------------------------------------------------------------------------
   layout — 全站骨架
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-line);
}

.header-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.brand {
  flex: 0 0 auto;
  color: var(--c-primary-dark);
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0;
}

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

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

.nav-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  padding: 0 12px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list li {
  margin: 0;
}

.nav-list a {
  display: inline-block;
  padding: 4px 0;
  color: var(--c-text);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.nav-list a:hover {
  color: var(--c-primary);
  border-bottom-color: var(--c-line);
}

.nav-list a.is-current {
  color: var(--c-primary);
  font-weight: 700;
  border-bottom-color: var(--c-primary);
}

.site-main {
  display: block;
}

.home-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px 56px;
}

.inner-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px 56px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 20px 0 0;
  color: var(--c-muted);
  font-size: 14px;
}

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

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

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

.page-header {
  max-width: var(--read);
  margin: 0 0 28px;
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--c-line);
}

.page-title {
  margin: 0 0 10px;
  font-size: 30px;
  color: var(--c-primary-dark);
}

.page-description {
  margin: 0;
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.75;
}

.site-footer {
  margin-top: 40px;
  background: var(--c-panel);
  border-top: 1px solid var(--c-line);
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 36px 20px 24px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 28px 32px;
}

.footer-col {
  min-width: 0;
}

.footer-brand {
  margin: 0 0 10px;
  color: var(--c-primary-dark);
  font-size: 17px;
  font-weight: 700;
}

.footer-heading {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--c-primary-dark);
}

.footer-text {
  margin: 0;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links li {
  margin: 0 0 8px;
}

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

.footer-copy {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px 30px;
  color: var(--c-muted);
  font-size: 13px;
}

/* 内页双栏：主内容在前，侧栏在后 */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 36px;
  align-items: start;
}

/* 侧栏在前的变体（祖先节点带 .sidebar-left 时生效） */
.sidebar-left .page-layout {
  grid-template-columns: 260px minmax(0, 1fr);
}

.sidebar-left .page-layout .main-column,
.sidebar-left .page-layout .content-section {
  order: 2;
}

.sidebar-left .page-layout .side-column,
.sidebar-left .page-layout .content-aside {
  order: 1;
}

.layout-shell {
  grid-template-columns: minmax(0, 1fr) 240px;
}

.main-column {
  min-width: 0;
  max-width: var(--read);
}

.content-aside,
.side-column {
  min-width: 0;
}

/* --------------------------------------------------------------------------
   components — 通用区块
   -------------------------------------------------------------------------- */
.section {
  padding: 40px 0;
  border-top: 1px solid var(--c-line);
}

.section-head {
  max-width: var(--read);
  margin-bottom: 22px;
}

.section-head h2,
.section-title,
.section-head h2.section-title {
  margin: 0 0 8px;
  font-size: 22px;
  color: var(--c-primary-dark);
}

.section-note,
.section-desc,
.section-intro {
  margin: 0;
  color: var(--c-muted);
  font-size: 15px;
}

.section-more {
  margin: 20px 0 0;
  font-size: 15px;
}

.content-section {
  margin-bottom: 36px;
}

.content-section:last-child {
  margin-bottom: 0;
}

.content-section > h2 {
  margin: 0 0 10px;
}

.content-section > p {
  color: var(--c-muted);
}

.text-link {
  display: inline-block;
  margin-top: 6px;
  font-size: 15px;
}

.content-media,
.hero-media,
.service-figure,
.content-figure,
.section-figure,
.group-media {
  overflow: hidden;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.hero-media img,
.content-media img,
.service-figure img,
.content-figure img,
.section-figure img,
.group-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 清单 */
.check-list,
.scope-list,
.prepare-list,
.duty-list,
.bullet-list,
.choose-list,
.boundary-list,
.change-list,
.prepare-items,
.error-links,
.related-list,
.aside-list,
.side-link-list,
.deep-link-list {
  margin: 0;
  padding-left: 1.2em;
}

.check-list li,
.scope-list li,
.prepare-list li,
.duty-list li,
.bullet-list li,
.choose-list li,
.boundary-list li,
.change-list li,
.prepare-items li,
.error-links li,
.related-list li,
.aside-list li,
.side-link-list li,
.deep-link-list li {
  color: var(--c-text);
  font-size: 15px;
}

/* 左右两栏清单对照 */
.scope-columns,
.prepare-columns,
.duty-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.scope-col,
.prepare-col,
.duty-col {
  min-width: 0;
  padding: 18px 20px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.scope-heading,
.prepare-heading,
.duty-col-title {
  margin: 0 0 10px;
  font-size: 16px;
  color: var(--c-primary-dark);
}

.scope-col.scope-exclude {
  background: #fbf7f4;
  border-color: #e6d9cf;
}

/* 标签说明 */
.tag-note {
  display: inline-block;
  margin: 0 0 10px;
  padding: 2px 10px;
  background: var(--c-panel-soft);
  border: 1px solid var(--c-line);
  border-radius: 999px;
  color: var(--c-muted);
  font-size: 13px;
}

/* 相关分类 / 归档入口 */
.aside-title {
  margin: 0 0 14px;
  font-size: 18px;
}

.aside-group {
  margin-bottom: 22px;
}

.aside-heading {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--c-primary-dark);
}

.aside-list {
  padding-left: 1.1em;
}

.aside-note {
  margin: 0;
  padding: 14px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   pages — 首页
   -------------------------------------------------------------------------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 32px;
  padding: 40px 0 8px;
  align-items: start;
}

.hero-copy {
  min-width: 0;
}

.hero-eyebrow {
  margin: 0 0 10px;
  color: var(--c-muted);
  font-size: 14px;
}

.hero-title {
  margin: 0 0 14px;
  font-size: 30px;
  color: var(--c-primary-dark);
}

.hero-lead {
  margin: 0 0 18px;
  color: var(--c-text);
  font-size: 16px;
  line-height: 1.8;
}

.hero-entries {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-entries li {
  margin: 0;
}

.hero-entries a {
  display: inline-block;
  min-height: 44px;
  padding: 10px 16px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  font-size: 15px;
  line-height: 22px;
  text-decoration: none;
}

.hero-entries a:hover {
  background: var(--c-panel-soft);
  border-color: var(--c-primary);
}

.hero-media {
  margin: 0;
}

.content-media.content-media-primary {
  grid-column: 1 / -1;
  margin: 8px 0 0;
}

/* 服务项目一览：四列信息表 */
.services-overview .table-list {
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.table-list .table-row {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.3fr) minmax(0, 1.2fr) 96px;
  gap: 12px;
  align-items: center;
  padding: 14px 18px;
  border-top: 1px solid var(--c-line);
  background: var(--c-bg);
}

.table-list .table-row:first-child {
  border-top: 0;
}

.table-list .table-row.table-head {
  background: var(--c-panel);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-primary-dark);
}

.table-list .table-row:not(.table-head):hover {
  background: var(--c-panel-soft);
}

.table-list .col-name {
  font-weight: 700;
  color: var(--c-primary-dark);
}

.table-list .col-target,
.table-list .col-form {
  color: var(--c-muted);
  font-size: 15px;
}

.table-list .col-link {
  text-align: right;
  font-size: 15px;
}

/* 合作流程四阶段（首页横向条） */
.stage-strip {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.stage-strip .stage-item {
  margin: 0;
  padding: 18px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.stage-strip .stage-index {
  display: block;
  margin-bottom: 8px;
  color: var(--c-primary);
  font-size: 13px;
  font-weight: 700;
}

.stage-strip .stage-name {
  margin: 0 0 10px;
  font-size: 17px;
}

.stage-strip .stage-duty,
.stage-strip .stage-support {
  margin: 0 0 8px;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
}

.stage-strip .stage-support {
  margin-bottom: 0;
}

/* 服务边界与准备资料摘要 */
.scope-summary .scope-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* 常见疑问入口 */
.question-list {
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: var(--read);
}

.question-list li {
  margin: 0;
  border-bottom: 1px solid var(--c-line);
}

.question-list li:first-child {
  border-top: 1px solid var(--c-line);
}

.question-list a {
  display: block;
  padding: 13px 0;
  font-size: 15px;
  text-decoration: none;
}

.question-list a:hover {
  color: var(--c-primary-dark);
  text-decoration: underline;
}

/* 站内栏目索引 */
.index-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.index-cell {
  min-width: 0;
  padding: 16px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.index-name {
  margin: 0 0 8px;
  font-size: 16px;
}

.index-name a {
  text-decoration: none;
}

.index-name a:hover {
  text-decoration: underline;
}

.index-desc {
  margin: 0;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   pages — 服务项目
   -------------------------------------------------------------------------- */
.service-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.service-item {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 20px;
  padding: 18px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.service-item:hover {
  border-color: var(--c-primary);
  background: #fbfcfe;
}

.service-figure {
  margin: 0;
}

.service-figure img {
  height: 100%;
  min-height: 140px;
}

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

.service-name {
  margin: 0 0 10px;
  font-size: 18px;
}

.service-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 18px;
  margin: 0 0 12px;
  font-size: 14px;
}

.service-meta dt {
  color: var(--c-muted);
  font-weight: 400;
}

.service-meta dd {
  margin: 0;
  color: var(--c-text);
}

.service-desc {
  margin: 0 0 10px;
  color: var(--c-muted);
  font-size: 15px;
}

.service-points {
  margin: 0 0 10px;
  padding-left: 1.2em;
}

.service-points li {
  color: var(--c-text);
  font-size: 15px;
}

/* 选择建议 */
.choose-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.choose-item {
  margin: 0;
  padding: 16px 18px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.choose-name {
  margin: 0 0 8px;
  font-size: 16px;
}

.choose-desc {
  margin: 0;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   pages — 合作流程
   -------------------------------------------------------------------------- */
.process-stages {
  margin-bottom: 32px;
}

.stage-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.stage-list .stage-item {
  margin: 0;
  padding: 18px 20px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.stage-list .stage-index {
  margin: 0 0 6px;
  color: var(--c-primary);
  font-size: 13px;
  font-weight: 700;
}

.stage-list .stage-name {
  margin: 0 0 8px;
  font-size: 17px;
}

.stage-list .stage-desc {
  margin: 0;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
}

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

.content-figure img {
  max-height: 340px;
}

.stage-duties {
  margin-bottom: 32px;
}

.duty-block {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--c-line);
}

.duty-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.duty-title {
  margin: 0 0 12px;
  font-size: 17px;
}

.duty-col.duty-col-us {
  background: #f2f6fb;
  border-color: #d3e0ee;
}

.prepare-list {
  margin-bottom: 32px;
}

.prepare-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.prepare-group {
  min-width: 0;
  padding: 16px 18px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.prepare-group-title {
  margin: 0 0 8px;
  font-size: 16px;
}

.prepare-items {
  padding-left: 1.2em;
}

.change-notes {
  margin-bottom: 0;
}

.change-list {
  padding-left: 1.2em;
}

.change-more {
  margin: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  font-size: 15px;
}

/* --------------------------------------------------------------------------
   pages — 常见问题
   -------------------------------------------------------------------------- */
.faq-group {
  margin-bottom: 36px;
}

.faq-list {
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: var(--read);
}

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

.faq-item:first-child {
  border-top: 1px solid var(--c-line);
}

.faq-item details {
  padding: 4px 0;
}

.faq-item summary {
  padding: 12px 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-primary-dark);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.faq-item summary:hover {
  color: var(--c-primary);
}

.faq-answer {
  padding: 0 0 14px;
}

.faq-answer p {
  margin: 0;
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.8;
}

.group-media {
  margin: 0 0 36px;
}

.group-media img {
  max-height: 320px;
}

.term-section,
.boundary-section,
.related-section {
  margin-bottom: 36px;
}

.term-list {
  margin: 0;
  max-width: var(--read);
}

.term-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--c-line);
}

.term-item:first-child {
  border-top: 1px solid var(--c-line);
}

.term-item dt {
  margin-bottom: 4px;
  color: var(--c-primary-dark);
  font-size: 16px;
}

.term-item dd {
  margin: 0;
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.75;
}

.boundary-list {
  max-width: var(--read);
  padding-left: 1.2em;
}

.boundary-note {
  margin: 16px 0 0;
  font-size: 15px;
}

.related-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.related-item {
  margin: 0;
  padding: 16px 18px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.related-item a {
  display: inline-block;
  min-height: 24px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
}

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

.related-item p {
  margin: 8px 0 0;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   pages — 关于酷漫屋
   -------------------------------------------------------------------------- */
.section-position,
.section-structure,
.section-principles,
.section-deep-links {
  margin-bottom: 36px;
}

.section-figure {
  margin: 16px 0;
}

.section-figure img {
  max-height: 300px;
}

.column-list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.column-item {
  margin: 0 0 12px;
  padding: 14px 16px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.column-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

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

.deep-link-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.deep-link-group {
  min-width: 0;
}

.deep-link-group h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.deep-link-list {
  padding-left: 1.2em;
}

.side-block {
  margin-bottom: 22px;
  padding: 16px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.side-block:last-child {
  margin-bottom: 0;
}

.side-heading {
  margin: 0 0 10px;
  font-size: 16px;
}

.side-link-list {
  margin: 0;
  padding-left: 1.1em;
}

.side-link-list li {
  font-size: 14px;
}

/* --------------------------------------------------------------------------
   pages — 404
   -------------------------------------------------------------------------- */
.error-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px 56px;
}

.error-hero {
  max-width: var(--read);
  padding: 48px 0 28px;
}

.error-hero h1 {
  margin: 0 0 12px;
  font-size: 30px;
}

.error-text {
  margin: 0 0 18px;
  color: var(--c-muted);
  font-size: 16px;
}

.error-action {
  margin: 0;
}

.btn-home {
  display: inline-block;
  min-height: 44px;
  padding: 10px 20px;
  background: var(--c-primary);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-size: 15px;
  line-height: 22px;
  text-decoration: none;
}

.btn-home:hover {
  background: var(--c-primary-dark);
  color: #ffffff;
}

.error-guide {
  max-width: var(--read);
  padding: 26px 0 0;
  border-top: 1px solid var(--c-line);
}

.error-guide h2 {
  margin: 0 0 14px;
  font-size: 20px;
}

.error-links {
  padding-left: 1.2em;
}

/* --------------------------------------------------------------------------
   responsive
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .page-layout,
  .layout-shell,
  .sidebar-left .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .sidebar-left .page-layout .main-column,
  .sidebar-left .page-layout .content-section,
  .sidebar-left .page-layout .side-column,
  .sidebar-left .page-layout .content-aside {
    order: initial;
  }

  .main-column {
    max-width: 100%;
  }

  .page-header {
    max-width: 100%;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .hero-media {
    order: 2;
  }

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

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

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

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

@media (max-width: 640px) {
  body.site-body {
    font-size: 15px;
  }

  h1,
  .hero-title,
  .page-title,
  .error-hero h1 {
    font-size: 24px;
  }

  h2,
  .section-head h2,
  .section-title {
    font-size: 20px;
  }

  h3 {
    font-size: 17px;
  }

  .header-inner {
    padding: 10px 16px;
    gap: 12px;
  }

  .brand {
    font-size: 18px;
  }

  .nav-toggle {
    display: inline-block;
    margin-left: auto;
  }

  .site-nav {
    flex: 1 1 100%;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 6px 0 4px;
    border-top: 1px solid var(--c-line);
  }

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

  .nav-list li {
    border-bottom: 1px solid var(--c-line);
  }

  .nav-list li:last-child {
    border-bottom: 0;
  }

  .nav-list a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 10px 2px;
    border-bottom: 0;
    font-size: 16px;
  }

  .nav-list a.is-current {
    border-bottom: 0;
    text-decoration: underline;
    text-underline-offset: 4px;
  }

  .home-main,
  .inner-main,
  .error-main {
    padding: 0 16px 44px;
  }

  .breadcrumb {
    margin-top: 16px;
  }

  .page-header {
    padding: 16px 0 18px;
    margin-bottom: 22px;
  }

  .page-description {
    font-size: 14px;
  }

  .hero {
    padding: 26px 0 4px;
  }

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

  .hero-entries a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
  }

  .section {
    padding: 30px 0;
  }

  .table-list .table-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 14px 16px;
  }

  .table-list .table-row.table-head {
    display: none;
  }

  .table-list .col-link {
    text-align: left;
  }

  .stage-strip,
  .stage-list,
  .choose-list,
  .prepare-groups,
  .related-list,
  .scope-columns,
  .prepare-columns,
  .duty-columns,
  .index-grid,
  .deep-link-groups {
    grid-template-columns: minmax(0, 1fr);
  }

  .service-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    padding: 16px;
  }

  .service-figure img {
    min-height: 0;
    max-height: 220px;
  }

  .service-meta {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .service-meta dt {
    margin-top: 6px;
  }

  .content-figure img,
  .group-media img,
  .section-figure img {
    max-height: 240px;
  }

  .change-more {
    flex-direction: column;
    gap: 8px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 28px 16px 20px;
  }

  .footer-copy {
    padding: 0 16px 24px;
  }
}