:root {
  --bg: #12161f;
  --bg-soft: #1b2130;
  --text: #e8ecf2;
  --text-muted: #9aa4b5;
  --accent: #f2a0b5;
  --line: #3a4356;
  --radius: 6px;
  --radius-sm: 4px;
  --content-max: 1160px;
  --main-col: 760px;
  --side-col: 320px;
  --gap-col: 80px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

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

body.site-body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

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

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

p {
  margin: 0;
}

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

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

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}

/* ===== layout: header shell ===== */
.site-header {
  background-color: var(--bg);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 20;
}

.header-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.brand {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}

.brand:hover,
.brand:focus {
  color: var(--accent);
  text-decoration: none;
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  display: inline-block;
  padding: 6px 0;
  color: var(--text-muted);
  font-size: 15px;
  border-bottom: 2px solid transparent;
  transition: color 150ms ease, border-color 150ms ease;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--text);
  text-decoration: none;
}

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

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 0 14px;
  min-height: 44px;
  min-width: 44px;
  line-height: 1;
}

.header-note {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px 14px;
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== layout: main containers ===== */
.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.home-main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px 72px;
}

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

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

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, var(--main-col)) var(--side-col);
  gap: var(--gap-col);
  align-items: start;
}

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

.sidebar {
  min-width: 0;
  position: sticky;
  top: 24px;
}

/* ===== layout: footer shell ===== */
.site-footer {
  background-color: var(--bg);
  border-top: 1px solid var(--line);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 48px 24px 24px;
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: 32px;
}

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

.footer-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.footer-desc {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 260px;
  line-height: 1.7;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.footer-list li + li {
  margin-top: 8px;
}

.footer-list a {
  color: var(--text-muted);
  font-size: 14px;
  transition: color 150ms ease;
}

.footer-list a:hover,
.footer-list a:focus {
  color: var(--accent);
}

.footer-bottom {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 18px 24px 32px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== components: headings and links ===== */
.section-title {
  font-size: 24px;
  margin-bottom: 12px;
}

.section-lead,
.section-desc {
  color: var(--text-muted);
  font-size: 15px;
  max-width: 780px;
  margin-bottom: 28px;
}

.subsection-title {
  font-size: 18px;
  margin-bottom: 14px;
}

.text-link {
  display: inline-block;
  font-size: 15px;
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color 150ms ease;
}

.text-link:hover,
.text-link:focus {
  border-bottom-color: var(--accent);
  text-decoration: none;
}

.label {
  display: inline-block;
  font-size: 13px;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 2px 10px;
  margin-bottom: 8px;
}

/* ===== components: tables ===== */
.table-wrap,
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.data-table,
.channel-table,
.field-table {
  font-size: 15px;
  min-width: 640px;
}

.data-table caption,
.channel-table caption,
.field-table caption,
.table-caption {
  text-align: left;
  padding: 14px 16px;
  font-size: 14px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--line);
}

.data-table th,
.data-table td,
.channel-table th,
.channel-table td,
.field-table th,
.field-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.65;
}

.data-table thead th,
.channel-table thead th,
.field-table thead th {
  background-color: var(--bg-soft);
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
}

.data-table tbody tr:nth-child(even),
.channel-table tbody tr:nth-child(even),
.field-table tbody tr:nth-child(even) {
  background-color: rgba(27, 33, 48, 0.55);
}

.data-table tbody th,
.channel-table tbody th,
.field-table tbody th {
  color: var(--text);
  font-weight: 600;
}

.data-table tbody td,
.channel-table tbody td,
.field-table tbody td {
  color: var(--text-muted);
}

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

.data-table td a,
.channel-table td a,
.field-table td a {
  color: var(--accent);
}

/* ===== components: buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 26px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}

.btn:hover,
.btn:focus {
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent);
  color: #16111a;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: #e88ba3;
  color: #16111a;
}

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

.btn-ghost:hover,
.btn-ghost:focus {
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== components: boundary / correction cards ===== */
.boundary-grid,
.correction-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.boundary-item,
.correction-item {
  background-color: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.boundary-title,
.boundary-name,
.correction-item h3 {
  font-size: 17px;
  color: var(--text);
  margin-bottom: 10px;
}

.boundary-text,
.boundary-item p,
.correction-item p {
  font-size: 15px;
  color: var(--text-muted);
}

.boundary-item p + p {
  margin-top: 8px;
}

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

/* ===== components: step list (shared base) ===== */
.step-list {
  display: grid;
  gap: 16px;
}

.step-item {
  background-color: var(--bg-soft);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.step-index {
  display: inline-block;
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 8px;
}

.step-name {
  font-size: 18px;
  margin-bottom: 8px;
}

.step-text,
.step-what,
.step-why {
  font-size: 15px;
  color: var(--text-muted);
}

.step-why {
  margin-top: 6px;
}

.step-link {
  margin-top: 10px;
  font-size: 14px;
}

.step-link a {
  color: var(--accent);
}

/* ===== components: sidebar / aside blocks ===== */
.aside-block,
.sidebar-block {
  background-color: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}

.aside-block + .aside-block,
.sidebar-block + .sidebar-block {
  margin-top: 24px;
}

.aside-title,
.sidebar-title {
  font-size: 17px;
  margin-bottom: 12px;
}

.aside-desc,
.sidebar-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.aside-list,
.sidebar-list {
  display: grid;
  gap: 10px;
}

.aside-list a,
.sidebar-list a,
.aside-link {
  display: inline-block;
  font-size: 15px;
  color: var(--text-muted);
  min-height: 24px;
  transition: color 150ms ease;
}

.aside-list a:hover,
.sidebar-list a:hover,
.aside-list a:focus,
.sidebar-list a:focus,
.aside-link:hover,
.aside-link:focus {
  color: var(--accent);
}

/* ===== components: breadcrumb and page header ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 24px 0 0;
  font-size: 14px;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-muted);
  transition: color 150ms ease;
}

.breadcrumb a:hover,
.breadcrumb a:focus {
  color: var(--accent);
}

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

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

.page-header {
  padding: 20px 0 36px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}

.page-title {
  font-size: 32px;
  margin-bottom: 14px;
}

.page-description {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 780px;
}

/* ===== pages: index ===== */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  padding: 64px 0 56px;
  border-bottom: 1px solid var(--line);
}

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

.hero-title {
  font-size: 40px;
  margin-bottom: 18px;
}

.hero-lead {
  font-size: 17px;
  color: var(--text);
  max-width: 520px;
  margin-bottom: 14px;
}

.hero-note {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 26px;
}

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

.hero-media {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background-color: var(--bg-soft);
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

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

.channel-overview,
.collection-preview,
.field-boundary,
.guide-steps,
.site-index {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.site-index {
  border-bottom: none;
}

.table-foot,
.section-foot {
  margin-top: 18px;
  font-size: 15px;
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.collection-card {
  background-color: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 0 22px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 150ms ease;
}

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

.collection-media {
  margin: 0 0 18px;
  background-color: var(--bg);
}

.collection-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.collection-name {
  font-size: 18px;
  padding: 0 22px;
  margin-bottom: 10px;
}

.collection-scope,
.collection-basis,
.collection-compose,
.collection-mix {
  font-size: 15px;
  color: var(--text-muted);
  padding: 0 22px;
}

.collection-scope + .collection-basis,
.collection-scope + .collection-compose,
.collection-scope + .collection-mix,
.collection-basis + .collection-compose {
  margin-top: 8px;
}

.collection-card .text-link,
.collection-card .card-link {
  margin: 16px 22px 0;
  align-self: flex-start;
}

.field-boundary-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 40px;
}

.field-summary,
.boundary-summary {
  min-width: 0;
}

.index-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.index-group {
  background-color: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}

.index-title {
  font-size: 17px;
  margin-bottom: 10px;
}

.index-text {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

/* ===== pages: inner shared sections ===== */
.channel-table-section,
.channel-boundary-section,
.channel-collection-section,
.collection-list,
.collection-channel,
.collection-boundary,
.field-figure-section,
.field-table-section,
.field-status-section,
.field-boundary-section,
.field-links-section,
.adjustment-log,
.correction,
.faq {
  margin-bottom: 56px;
}

.channel-table-section .section-title,
.collection-list .section-title,
.collection-channel .section-title,
.collection-boundary .section-title {
  margin-bottom: 12px;
}

.channel-figure,
.field-figure,
.guide-figure {
  margin: 28px 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background-color: var(--bg-soft);
}

.channel-figure img,
.field-figure img,
.guide-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.channel-figure figcaption,
.field-figure figcaption,
.guide-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.boundary-pair-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.boundary-pair-list li {
  font-size: 15px;
  color: var(--text-muted);
}

.collection-relation-list {
  display: grid;
  gap: 20px;
}

.collection-relation-list .relation-title {
  font-size: 17px;
  margin-bottom: 8px;
}

.collection-relation-list p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.section-note {
  margin-top: 20px;
  font-size: 15px;
  color: var(--text-muted);
}

.section-note a {
  color: var(--accent);
}

.section-note a + a {
  margin-left: 14px;
}

/* ===== pages: collections ===== */
.channel-link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.channel-link-list a {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text-muted);
  transition: border-color 150ms ease, color 150ms ease;
}

.channel-link-list a:hover,
.channel-link-list a:focus {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.cross-channel-list {
  display: grid;
  gap: 18px;
}

.cross-channel-item {
  border-left: 3px solid var(--line);
  padding-left: 18px;
}

.cross-channel-name {
  font-size: 17px;
  margin-bottom: 8px;
}

.cross-channel-item p {
  font-size: 15px;
  color: var(--text-muted);
}

/* ===== pages: fields ===== */
.field-table-section p,
.field-status-section p,
.field-boundary-section p,
.field-links-section p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.field-table-section p a,
.field-links-section p a {
  color: var(--accent);
}

.field-table-section p a + a {
  margin-left: 14px;
}

.status-list {
  display: grid;
  gap: 18px;
}

.status-item {
  background-color: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.status-name {
  font-size: 17px;
  margin-bottom: 8px;
}

.status-meaning {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 6px;
}

.status-misread {
  font-size: 14px;
  color: var(--text-muted);
}

.field-links-section p + p {
  margin-top: 10px;
}

/* ===== pages: guide ===== */
.guide-steps .step-list {
  margin-top: 28px;
}

.adjustment-log .log-list {
  display: grid;
  gap: 14px;
}

.log-item {
  background-color: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.log-item details {
  width: 100%;
}

.log-summary {
  cursor: pointer;
  font-size: 15px;
  color: var(--text);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: baseline;
  min-height: 24px;
}

.log-summary::-webkit-details-marker {
  color: var(--accent);
}

.log-date {
  font-size: 13px;
  color: var(--accent);
  white-space: nowrap;
}

.log-headline {
  font-size: 15px;
  color: var(--text);
}

.log-detail {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  color: var(--text-muted);
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  background-color: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.faq-question {
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  min-height: 24px;
}

.faq-question::-webkit-details-marker {
  color: var(--accent);
}

.faq-answer {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  color: var(--text-muted);
}

/* ===== pages: 404 ===== */
.error-panel {
  max-width: 720px;
  margin: 72px auto;
  text-align: center;
  background-color: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 56px 32px;
}

.error-code {
  font-size: 14px;
  color: var(--accent);
  margin-bottom: 12px;
}

.error-panel h1 {
  font-size: 32px;
  margin-bottom: 16px;
}

.error-text {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.error-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.error-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--text-muted);
  transition: border-color 150ms ease, color 150ms ease;
}

.error-links a:hover,
.error-links a:focus {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.error-note {
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== responsive: tablet ===== */
@media (max-width: 960px) {
  .header-inner {
    padding: 16px 20px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    width: 100%;
  }

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

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

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

  .nav-link {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 0 4px;
    border-bottom: none;
  }

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

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

  .hero-title {
    font-size: 32px;
  }

  .field-boundary-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }

  .sidebar {
    position: static;
  }

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

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

  .footer-desc {
    max-width: none;
  }

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

/* ===== responsive: mobile ===== */
@media (max-width: 640px) {
  body.site-body {
    font-size: 15px;
  }

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

  .header-inner,
  .header-note,
  .footer-inner,
  .footer-bottom {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .page-title {
    font-size: 24px;
  }

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

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

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .channel-overview,
  .collection-preview,
  .field-boundary,
  .guide-steps,
  .site-index {
    padding: 40px 0;
  }

  .data-table,
  .channel-table,
  .field-table {
    min-width: 560px;
    font-size: 14px;
  }

  .data-table th,
  .data-table td,
  .channel-table th,
  .channel-table td,
  .field-table th,
  .field-table td {
    padding: 12px 12px;
  }

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

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

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

  .error-panel {
    margin: 40px auto;
    padding: 40px 20px;
  }

  .error-panel h1 {
    font-size: 24px;
  }

  .step-item,
  .status-item,
  .index-group,
  .aside-block,
  .sidebar-block,
  .boundary-item,
  .correction-item {
    padding: 18px;
  }
}