:root {
  --color-primary: #1F4E4A;
  --color-primary-hover: #2E7D74;
  --color-accent: #C77D3A;
  --color-bg: #F7F8F7;
  --color-card: #FFFFFF;
  --color-text: #1C1F1E;
  --color-text-soft: #5A6360;
  --color-border: #DDE2E0;
  --color-tint: #EDF2F1;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 3px;
  --radius-md: 5px;
  --radius-lg: 8px;
  --container: 1120px;
  --container-narrow: 880px;
  --shadow-soft: 0 1px 2px rgba(28, 31, 30, 0.04);
  --shadow-card: 0 2px 10px rgba(28, 31, 30, 0.06);
}

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

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

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

p {
  margin: 0;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.18s ease;
}

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

img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

figure {
  margin: 0;
}

figcaption {
  color: var(--color-text-soft);
  font-size: 14px;
  line-height: 1.6;
}

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

/* ===== layout ===== */

.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

.inner-main {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 24px 28px 72px;
}

.home-main {
  width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--color-card);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 28px;
}

.brand {
  flex: 0 0 auto;
  color: var(--color-primary);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0;
}

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  background-color: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-size: 15px;
  font-family: inherit;
  cursor: pointer;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-primary-hover);
  outline-offset: 2px;
}

.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  display: block;
  padding: 8px 14px;
  color: var(--color-text);
  font-size: 15px;
  border-bottom: 2px solid transparent;
}

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

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

.site-footer {
  background-color: var(--color-primary);
  color: #D8E3E1;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(220px, 1.5fr) repeat(4, minmax(130px, 1fr));
  gap: 32px;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px 28px 32px;
}

.footer-about {
  max-width: 300px;
}

.footer-brand {
  color: #FFFFFF;
  font-size: 19px;
  font-weight: 700;
}

.footer-desc {
  margin-top: 12px;
  color: #B6C9C6;
  font-size: 14px;
  line-height: 1.7;
}

.footer-group-title {
  margin-bottom: 14px;
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 700;
}

.footer-list li + li {
  margin-top: 9px;
}

.footer-list a {
  color: #B6C9C6;
  font-size: 14px;
}

.footer-list a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.footer-copy {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px 28px;
  color: #9FB3B0;
  font-size: 13px;
}

/* ===== components ===== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

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

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

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

.btn-ghost:hover {
  background-color: var(--color-tint);
  color: var(--color-primary);
}

.text-link {
  color: var(--color-primary);
  font-weight: 700;
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 2px;
}

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--color-text-soft);
  font-size: 14px;
}

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

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

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

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

.page-header {
  padding-bottom: 24px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: 32px;
  font-weight: 700;
}

.page-description {
  max-width: 760px;
  margin-top: 14px;
  color: var(--color-text-soft);
  font-size: 16px;
}

.page-description a {
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
}

.section {
  padding: 56px 0;
}

.section + .section {
  border-top: 1px solid var(--color-border);
}

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

.section-title {
  font-size: 24px;
  font-weight: 700;
}

.section-desc,
.section-intro,
.section-lead {
  margin-top: 12px;
  color: var(--color-text-soft);
  font-size: 16px;
}

.section-intro a {
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
}

.section-more {
  margin-top: 26px;
}

.media-item,
.media-frame,
.media-figure,
.hero-figure,
.process-figure,
.page-media {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: var(--color-tint);
}

.media-item img,
.media-frame img,
.media-figure img,
.hero-figure img,
.process-figure img,
.page-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

/* FAQ */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.faq-question {
  position: relative;
  padding: 18px 52px 18px 20px;
  color: var(--color-primary);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  color: var(--color-primary-hover);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
}

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

.faq-question:hover {
  color: var(--color-primary-hover);
}

.faq-answer {
  padding: 0 20px 20px;
  color: var(--color-text);
  font-size: 15px;
}

.faq-answer p + p {
  margin-top: 10px;
}

.faq-link a {
  color: var(--color-primary);
  font-weight: 700;
  border-bottom: 1px solid var(--color-primary);
}

/* ===== pages: index ===== */

.fact-bar {
  background-color: var(--color-tint);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-soft);
  font-size: 14px;
  text-align: center;
  padding: 9px 28px;
}

.home-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px 72px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  padding: 64px 0 56px;
}

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

.hero-title {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.28;
}

.hero-lead {
  margin-top: 20px;
  color: var(--color-text-soft);
  font-size: 17px;
}

.hero-points {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-points li {
  position: relative;
  padding-left: 22px;
  color: var(--color-text);
  font-size: 15px;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

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

.hero-figure img {
  aspect-ratio: 4 / 3;
}

.hero-caption {
  margin-top: 12px;
}

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

.direction-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1.1fr) minmax(220px, 1.5fr) auto;
  gap: 20px;
  align-items: start;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-border);
}

.direction-no {
  color: var(--color-accent);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
}

.direction-name {
  font-size: 18px;
  font-weight: 700;
}

.direction-audience,
.direction-cover {
  color: var(--color-text-soft);
  font-size: 15px;
}

.direction-link {
  align-self: center;
  justify-self: end;
  white-space: nowrap;
  color: var(--color-primary);
  font-size: 15px;
  font-weight: 700;
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 2px;
}

.direction-link:hover {
  color: var(--color-primary-hover);
  border-bottom-color: var(--color-primary-hover);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.filter-label {
  color: var(--color-text-soft);
  font-size: 14px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 4px 14px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text);
  font-size: 14px;
}

.filter-chip:hover {
  border-color: var(--color-primary-hover);
  color: var(--color-primary-hover);
}

.filter-note {
  margin-bottom: 20px;
  color: var(--color-text-soft);
  font-size: 13px;
}

.direction-media {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 36px;
}

.media-item img {
  aspect-ratio: 16 / 10;
}

.media-item figcaption {
  margin-top: 10px;
}

.timeline-list {
  position: relative;
  padding-left: 28px;
  border-left: 2px solid var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: 36px;
}

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

.timeline-item::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 14px;
  width: 12px;
  height: 12px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.timeline-year {
  display: block;
  color: var(--color-accent);
  font-size: 56px;
  font-weight: 700;
  line-height: 1.05;
}

.timeline-stage {
  margin-top: 8px;
  font-size: 18px;
  font-weight: 700;
}

.timeline-text {
  max-width: 720px;
  margin-top: 10px;
  color: var(--color-text-soft);
  font-size: 15px;
}

.timeline-refs {
  margin-top: 10px;
  color: var(--color-text-soft);
  font-size: 14px;
}

.timeline-refs a {
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.process-card {
  padding: 22px 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.process-no {
  display: inline-block;
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 700;
}

.process-name {
  margin-top: 8px;
  font-size: 18px;
  font-weight: 700;
}

.process-action {
  margin-top: 12px;
  color: var(--color-text);
  font-size: 15px;
}

.process-output {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--color-border);
  color: var(--color-text-soft);
  font-size: 14px;
}

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

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

.scope-col-title {
  font-size: 17px;
  font-weight: 700;
}

.scope-list {
  margin-top: 16px;
}

.scope-list li {
  position: relative;
  padding-left: 20px;
  color: var(--color-text);
  font-size: 15px;
}

.scope-list li + li {
  margin-top: 12px;
}

.scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 7px;
  background-color: var(--color-primary-hover);
  border-radius: 2px;
}

.index-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.index-cell {
  display: flex;
  flex-direction: column;
  padding: 20px 18px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.index-name {
  font-size: 16px;
  font-weight: 700;
}

.index-desc {
  flex: 1 1 auto;
  margin-top: 10px;
  color: var(--color-text-soft);
  font-size: 14px;
}

.index-link {
  margin-top: 16px;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 700;
  border-bottom: 1px solid var(--color-primary);
  align-self: flex-start;
  padding-bottom: 2px;
}

/* ===== pages: inner shared ===== */

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
  gap: 48px;
  align-items: start;
}

.layout-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
  gap: 48px;
  align-items: start;
}

.main-column,
.layout-main,
.main-content {
  min-width: 0;
}

.sidebar-left .page-layout,
.sidebar-left .layout-shell {
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
}

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

.sidebar-left .page-layout > .sidebar,
.sidebar-left .layout-shell > .side-panel {
  order: 1;
}

.sidebar,
.side-panel,
.layout-aside {
  min-width: 0;
}

.sidebar-block,
.side-panel,
.layout-aside {
  padding: 22px 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.sidebar-block + .sidebar-block {
  margin-top: 18px;
}

.sidebar-title,
.side-title,
.aside-title {
  font-size: 16px;
  font-weight: 700;
}

.side-intro {
  margin-top: 10px;
  color: var(--color-text-soft);
  font-size: 14px;
}

.sidebar-list,
.side-list,
.aside-list {
  margin-top: 14px;
}

.sidebar-list li + li,
.side-list li + li,
.aside-list li + li {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
}

.sidebar-list a,
.side-list a,
.aside-list a {
  color: var(--color-text);
  font-size: 14px;
}

.sidebar-list a:hover,
.side-list a:hover,
.aside-list a:hover {
  color: var(--color-primary-hover);
}

/* ===== pages: service-directions ===== */

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

.direction-summary-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 200px) minmax(0, 1fr);
  gap: 18px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}

.direction-index {
  color: var(--color-accent);
  font-size: 18px;
  font-weight: 700;
}

.direction-summary-name {
  font-size: 17px;
  font-weight: 700;
}

.direction-summary-text {
  color: var(--color-text-soft);
  font-size: 15px;
}

.direction-detail + .direction-detail {
  margin-top: 0;
}

.media-frame {
  margin-bottom: 24px;
}

.media-frame img {
  aspect-ratio: 16 / 9;
}

.media-frame figcaption {
  margin-top: 10px;
}

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

.field-block {
  padding: 18px 18px 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.field-title {
  font-size: 16px;
  font-weight: 700;
}

.field-block p {
  margin-top: 10px;
  color: var(--color-text-soft);
  font-size: 15px;
}

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

.difference-column {
  padding: 22px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.column-title {
  font-size: 17px;
  font-weight: 700;
}

.difference-list {
  margin-top: 14px;
}

.difference-list li {
  position: relative;
  padding-left: 20px;
  color: var(--color-text-soft);
  font-size: 15px;
}

.difference-list li + li {
  margin-top: 12px;
}

.difference-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 7px;
  background-color: var(--color-primary-hover);
  border-radius: 2px;
}

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

.entry-item {
  display: flex;
  flex-direction: column;
  padding: 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.entry-name {
  font-size: 17px;
  font-weight: 700;
}

.entry-desc {
  flex: 1 1 auto;
  margin-top: 10px;
  color: var(--color-text-soft);
  font-size: 15px;
}

.entry-link {
  margin-top: 16px;
  align-self: flex-start;
  color: var(--color-primary);
  font-size: 15px;
  font-weight: 700;
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 2px;
}

.entry-note {
  margin-top: 20px;
  color: var(--color-text-soft);
  font-size: 14px;
}

.entry-note a {
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
}

/* ===== pages: delivery-process ===== */

.stage-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.stage-chip {
  padding: 20px 18px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
}

.stage-index {
  display: inline-block;
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 700;
}

.stage-name {
  margin-top: 8px;
  font-size: 17px;
  font-weight: 700;
}

.stage-brief {
  margin-top: 10px;
  color: var(--color-text-soft);
  font-size: 14px;
}

.process-figure {
  margin-top: 40px;
}

.process-figure img {
  aspect-ratio: 21 / 9;
}

.figure-caption {
  margin-top: 10px;
}

.stage-block {
  padding: 26px 24px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.stage-block + .stage-block {
  margin-top: 20px;
}

.stage-block-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.stage-block-head .stage-name {
  margin-top: 0;
  font-size: 19px;
}

.stage-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

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

.stage-col-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
}

.stage-list {
  margin-top: 12px;
}

.stage-list li {
  position: relative;
  padding-left: 18px;
  color: var(--color-text-soft);
  font-size: 15px;
}

.stage-list li + li {
  margin-top: 10px;
}

.stage-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background-color: var(--color-primary-hover);
  border-radius: 50%;
}

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

.support-item {
  padding: 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.support-name {
  font-size: 17px;
  font-weight: 700;
}

.support-way {
  margin-top: 10px;
  color: var(--color-text-soft);
  font-size: 15px;
}

.support-node {
  display: inline-block;
  margin-top: 14px;
  padding: 3px 12px;
  background-color: var(--color-tint);
  border-radius: 999px;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
}

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

.next-item {
  display: flex;
  flex-direction: column;
  padding: 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.next-name,
.next-title {
  font-size: 17px;
  font-weight: 700;
}

.next-desc {
  flex: 1 1 auto;
  margin-top: 10px;
  color: var(--color-text-soft);
  font-size: 15px;
}

.next-link {
  margin-top: 16px;
  align-self: flex-start;
  color: var(--color-primary);
  font-size: 15px;
  font-weight: 700;
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 2px;
}

/* ===== pages: delivery-scope ===== */

.content-section + .content-section {
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--color-border);
}

.scope-table-wrap {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-card);
}

.scope-table {
  min-width: 560px;
  font-size: 15px;
}

.scope-table-caption {
  padding: 14px 18px;
  color: var(--color-text-soft);
  font-size: 14px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.scope-table th,
.scope-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.scope-table thead th {
  background-color: var(--color-tint);
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

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

.scope-table tbody th {
  color: var(--color-text);
  font-weight: 700;
}

.compare-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 22px;
}

.compare-column {
  padding: 22px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-card);
}

.compare-include {
  border-top: 3px solid var(--color-primary-hover);
}

.compare-exclude {
  border-top: 3px solid var(--color-accent);
}

.compare-title {
  font-size: 17px;
  font-weight: 700;
}

.compare-list {
  margin-top: 14px;
}

.compare-list li {
  position: relative;
  padding-left: 20px;
  color: var(--color-text-soft);
  font-size: 15px;
}

.compare-list li + li {
  margin-top: 12px;
}

.compare-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background-color: var(--color-primary-hover);
}

.compare-exclude .compare-list li::before {
  background-color: var(--color-accent);
}

.media-figure {
  margin-top: 22px;
}

.media-figure img {
  aspect-ratio: 16 / 9;
}

.media-caption {
  margin-top: 10px;
}

.accept-list {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.accept-item {
  padding: 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.accept-name {
  font-size: 16px;
  font-weight: 700;
}

.accept-method {
  margin-top: 10px;
  color: var(--color-text-soft);
  font-size: 15px;
}

.accept-pass {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--color-border);
  color: var(--color-primary);
  font-size: 14px;
}

.beyond-list {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.beyond-item {
  padding: 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.beyond-name {
  font-size: 16px;
  font-weight: 700;
}

.beyond-desc {
  margin-top: 10px;
  color: var(--color-text-soft);
  font-size: 15px;
}

.side-nav {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
}

.side-nav-title {
  font-size: 15px;
  font-weight: 700;
}

.side-nav-list {
  margin-top: 12px;
}

.side-nav-list li + li {
  margin-top: 10px;
}

.side-nav-list a {
  color: var(--color-primary);
  font-size: 14px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2px;
}

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

/* ===== pages: questions ===== */

.page-media {
  margin-bottom: 40px;
}

.page-media img {
  aspect-ratio: 21 / 9;
}

.page-media figcaption {
  margin-top: 10px;
}

.faq-section + .faq-section {
  margin-top: 44px;
  padding-top: 44px;
  border-top: 1px solid var(--color-border);
}

.faq-section .faq-item + .faq-item {
  margin-top: 12px;
}

.faq-next {
  margin-top: 44px;
  padding-top: 44px;
  border-top: 1px solid var(--color-border);
}

.faq-next .next-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.faq-next .next-item {
  padding: 20px;
}

.faq-next .next-item p {
  flex: 1 1 auto;
  margin-top: 10px;
  color: var(--color-text-soft);
  font-size: 15px;
}

.aside-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.aside-count {
  flex: 0 0 auto;
  color: var(--color-text-soft);
  font-size: 13px;
}

.aside-note {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
}

.aside-note-title {
  font-size: 15px;
  font-weight: 700;
}

.aside-note p {
  margin-top: 10px;
  color: var(--color-text-soft);
  font-size: 14px;
}

/* ===== pages: 404 ===== */

.error-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 80px 28px 96px;
  text-align: center;
}

.error-code {
  color: var(--color-accent);
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
}

.error-title {
  margin-top: 16px;
  font-size: 26px;
  font-weight: 700;
}

.error-desc {
  max-width: 560px;
  margin-top: 14px;
  color: var(--color-text-soft);
  font-size: 16px;
}

.error-block .btn {
  margin-top: 28px;
}

.error-links {
  width: 100%;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

.error-link-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.error-link-list a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 14px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-size: 15px;
  font-weight: 700;
}

.error-link-list a:hover {
  border-color: var(--color-primary-hover);
  color: var(--color-primary-hover);
}

/* ===== responsive ===== */

@media (max-width: 1080px) {
  .index-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .footer-about {
    grid-column: 1 / -1;
    max-width: 520px;
  }
}

@media (max-width: 960px) {
  .inner-main {
    padding: 20px 20px 64px;
  }

  .header-inner {
    padding: 12px 20px;
  }

  .home-main {
    padding: 0 20px 64px;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    padding: 40px 0 44px;
  }

  .hero-figure {
    order: 2;
  }

  .page-layout,
  .layout-shell,
  .sidebar-left .page-layout,
  .sidebar-left .layout-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .sidebar-left .page-layout > .main-column,
  .sidebar-left .layout-shell > .main-content,
  .sidebar-left .page-layout > .sidebar,
  .sidebar-left .layout-shell > .side-panel {
    order: initial;
  }

  .direction-row {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
  }

  .direction-audience,
  .direction-cover,
  .direction-link {
    grid-column: 2;
  }

  .direction-link {
    justify-self: start;
    align-self: start;
  }

  .stage-columns {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .beyond-list,
  .faq-next .next-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    flex: 0 0 100%;
    order: 3;
    justify-content: stretch;
  }

  .header-inner {
    flex-wrap: wrap;
    gap: 10px;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding-top: 8px;
    border-top: 1px solid var(--color-border);
  }

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

  .nav-link {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: 10px 4px;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-link.is-current {
    border-bottom-color: var(--color-primary);
  }
}

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

  .inner-main {
    padding: 16px 16px 56px;
  }

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

  .home-main {
    padding: 0 16px 56px;
  }

  .fact-bar {
    padding: 8px 16px;
    font-size: 13px;
    text-align: left;
  }

  .hero {
    padding: 28px 0 36px;
  }

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

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

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

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

  .section {
    padding: 40px 0;
  }

  .section-title {
    font-size: 21px;
  }

  .timeline-year {
    font-size: 40px;
  }

  .timeline-item {
    padding-bottom: 28px;
  }

  .timeline-list {
    padding-left: 20px;
  }

  .timeline-item::before {
    left: -27px;
  }

  .process-grid,
  .stage-track,
  .index-grid,
  .scope-columns,
  .direction-fields,
  .difference-columns,
  .entry-list,
  .support-list,
  .compare-columns,
  .accept-list,
  .beyond-list,
  .faq-next .next-list,
  .process-next .next-list,
  .direction-media {
    grid-template-columns: minmax(0, 1fr);
  }

  .direction-summary-item {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 10px;
  }

  .direction-summary-text {
    grid-column: 2;
  }

  .faq-question {
    padding: 16px 46px 16px 16px;
    font-size: 16px;
  }

  .faq-answer {
    padding: 0 16px 18px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 36px 16px 24px;
  }

  .footer-copy {
    padding: 16px;
  }

  .error-main {
    padding: 56px 16px 72px;
  }

  .error-code {
    font-size: 48px;
  }

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