:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --paper: #ffffff;
  --soft: #eef6ff;
  --soft-green: #ecfdf5;
  --text: #152033;
  --muted: #667085;
  --line: #d9e1ec;
  --primary: #1d4ed8;
  --secondary: #059669;
  --accent: #f59e0b;
  --navy: #17243a;
  --shadow: 0 18px 42px rgba(21, 32, 51, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.68;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

img {
  max-width: 100%;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--navy);
  color: #fff;
  border-radius: 8px;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 28px;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-logo {
  display: block;
  width: 210px;
  height: 64px;
  object-fit: contain;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.primary-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.primary-nav a,
.inline-button,
.ghost-button,
.admin-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 12px;
  border-radius: 8px;
  font-weight: 800;
}

.primary-nav a {
  color: #334155;
  font-size: 14px;
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  background: #edf4ff;
  color: var(--primary);
}

.inline-button,
.admin-button {
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
}

.ghost-button {
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--text);
}

.site-main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 22px 80px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 24px;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.section-card,
.post-card,
.category-card,
.policy-card,
.article-shell,
.admin-shell,
.column-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 36px;
}

.portal-hero .hero-copy {
  background:
    linear-gradient(135deg, rgba(29, 78, 216, 0.06), rgba(5, 150, 105, 0.06)),
    var(--paper);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 900;
}

h1,
h2,
h3 {
  line-height: 1.28;
  letter-spacing: 0;
}

.hero h1 {
  margin: 0;
  max-width: 760px;
  font-size: 40px;
}

.hero-lead {
  max-width: 760px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.search-panel {
  display: grid;
  gap: 4px;
  max-width: 720px;
  margin-top: 20px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.feed-search {
  display: grid;
  gap: 8px;
  max-width: 520px;
  margin-top: 18px;
}

.feed-search span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.feed-search input {
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.post-card[hidden] {
  display: none;
}

.search-panel span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.search-panel strong {
  color: var(--text);
  font-size: 18px;
}

.keyword-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.keyword-cloud a {
  padding: 7px 11px;
  border: 1px solid #c7d2fe;
  border-radius: 999px;
  background: #eef2ff;
  color: #1e40af;
  font-size: 13px;
  font-weight: 900;
}

.hero-panel {
  padding: 24px;
  display: grid;
  align-content: center;
  gap: 14px;
}

.portal-panel {
  background:
    linear-gradient(180deg, #ffffff, #f8fbff);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.metric-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.metric-card strong {
  display: block;
  font-size: 24px;
}

.metric-card span {
  color: var(--muted);
  font-size: 13px;
}

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

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.trust-item {
  display: grid;
  gap: 6px;
  min-height: 112px;
  padding: 16px;
  border: 1px solid #dbe7f3;
  border-radius: 8px;
  background: #f8fbff;
  color: var(--ink);
}

.trust-item:hover {
  border-color: #9fc3eb;
  text-decoration: none;
}

.trust-item strong {
  font-size: 16px;
}

.trust-item span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
  margin-bottom: 14px;
}

.section-heading h2,
.section-heading p {
  margin: 0;
}

.section-heading p {
  max-width: 680px;
  color: var(--muted);
}

.grid-3,
.grid-2,
.post-grid,
.category-grid,
.benefit-grid {
  display: grid;
  gap: 14px;
}

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

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

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

.post-card,
.benefit-card,
.category-card,
.column-card,
.section-card {
  padding: 18px;
}

.benefit-card {
  display: grid;
  gap: 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.benefit-card h3 {
  margin: 10px 0;
  font-size: 21px;
}

.benefit-card p {
  margin: 0;
  color: var(--muted);
}

.benefit-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 10px;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.benefit-meta strong {
  color: #b45309;
}

.mini-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 900;
}

.post-card .meta,
.article-meta,
.breadcrumb,
.small-muted {
  color: var(--muted);
  font-size: 13px;
}

.post-card h3,
.category-card h3,
.column-card h3 {
  margin: 8px 0;
}

.category-card {
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.category-card:hover,
.post-card:hover,
.benefit-card:hover {
  transform: translateY(-2px);
  border-color: #b6c7e5;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--soft-green);
  color: #047857;
  font-size: 12px;
  font-weight: 800;
}

.icon-badge {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: #fff7ed;
  color: var(--accent);
  font-weight: 900;
}

.article-shell {
  max-width: 900px;
  margin: 0 auto;
  padding: 30px;
}

.breadcrumb {
  margin-bottom: 16px;
}

.toc,
.summary-box,
.answer-box,
.mistake-box,
.checklist-box,
.source-note,
.editor-box,
.notice-box {
  margin: 20px 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.ad-slot {
  display: grid;
  gap: 8px;
  align-items: center;
  margin: 24px 0;
  padding: 14px;
  border: 1px dashed #b8c7dc;
  border-radius: 8px;
  background: #ffffff;
  color: var(--muted);
}

.ad-label {
  color: #475569;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.ad-placeholder {
  display: grid;
  place-items: center;
  min-height: 96px;
  border-radius: 8px;
  background: #f8fafc;
  text-align: center;
  font-size: 14px;
}

.ad-slot-articleTop .ad-placeholder,
.ad-slot-articleMid .ad-placeholder,
.ad-slot-columnMid .ad-placeholder {
  min-height: 120px;
}

.summary-box {
  background: var(--soft-green);
}

.answer-box {
  background: #eef2ff;
  border-color: #c7d2fe;
}

.mistake-box {
  background: #fff7ed;
}

.source-note {
  background: #f8fafc;
}

.faq-list {
  margin-top: 30px;
}

.faq-item {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
}

.article-body h2 {
  margin-top: 30px;
}

.decision-table th {
  width: 150px;
  background: #f8fafc;
  color: #334155;
}

.hub-list,
.compact-list {
  margin: 12px 0 0;
  padding-left: 20px;
}

.hub-list li + li,
.compact-list li + li {
  margin-top: 8px;
}

.hub-list a {
  color: var(--primary);
  font-weight: 900;
}

.hub-list span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.article-body li + li {
  margin-top: 6px;
}

.related-list {
  display: grid;
  gap: 8px;
}

.related-list a {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  font-weight: 800;
}

.policy-card {
  max-width: 920px;
  margin: 0 auto;
  padding: 30px;
}

.policy-card table,
.article-shell table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.policy-card th,
.policy-card td,
.article-shell th,
.article-shell td {
  border: 1px solid var(--line);
  padding: 10px;
  text-align: left;
}

.site-footer {
  padding: 28px;
  background: var(--navy);
  color: #dbeafe;
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-links a,
.site-footer .owner-link {
  color: #bfdbfe;
  font-weight: 800;
}

.owner-link {
  color: var(--primary);
  font-weight: 800;
}

.admin-login {
  max-width: 560px;
  margin: 40px auto;
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.admin-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: 720px;
  overflow: hidden;
}

.admin-sidebar {
  background: #111827;
  color: #e5e7eb;
  padding: 20px;
}

.admin-sidebar button {
  width: 100%;
  min-height: 42px;
  margin-top: 8px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #e5e7eb;
  text-align: left;
  cursor: pointer;
}

.admin-sidebar button.is-active {
  background: #2563eb;
  color: #fff;
}

.admin-content {
  padding: 24px;
  background: #f8fafc;
}

.admin-panel {
  display: none;
}

.admin-panel.is-active {
  display: block;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.field {
  display: grid;
  gap: 6px;
}

.field.full {
  grid-column: 1 / -1;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 42px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.field textarea {
  min-height: 110px;
  resize: vertical;
}

.table-list {
  display: grid;
  gap: 10px;
}

.list-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.admin-hidden {
  display: none !important;
}

.ops-body {
  background: #eef4f8;
}

.ops-header,
.ops-main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.ops-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
  padding: 28px 0 18px;
}

.ops-header h1,
.ops-header p {
  margin: 0;
}

.ops-header h1 {
  font-size: 30px;
}

.ops-main {
  padding-bottom: 36px;
}

.ops-alert {
  display: grid;
  gap: 4px;
  margin-bottom: 14px;
  padding: 14px 16px;
  border: 1px solid #fed7aa;
  border-radius: 8px;
  background: #fff7ed;
}

.ops-alert.is-ready {
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.ops-alert p {
  margin: 0;
  color: var(--muted);
}

.ops-metrics,
.ops-grid,
.ops-traffic-grid {
  display: grid;
  gap: 14px;
}

.ops-metrics {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.ops-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 14px;
}

.ops-metric,
.ops-panel,
.ops-traffic-grid > div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.ops-metric {
  display: grid;
  gap: 6px;
  min-height: 112px;
  padding: 16px;
}

.ops-metric span,
.ops-traffic-grid span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.ops-metric strong,
.ops-traffic-grid strong {
  font-size: 26px;
}

.ops-metric small {
  color: var(--muted);
  line-height: 1.45;
}

.ops-panel {
  padding: 18px;
  overflow: hidden;
}

.ops-table-wrap {
  overflow-x: auto;
}

.ops-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.ops-table th,
.ops-table td {
  padding: 11px 10px;
  border-bottom: 1px solid #e5edf5;
  text-align: left;
  vertical-align: top;
}

.ops-table th {
  color: #334155;
  background: #f8fbff;
  font-size: 13px;
}

.ops-empty {
  color: var(--muted);
  text-align: center;
}

.ops-status {
  display: inline-flex;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.ops-status-scheduled {
  background: #fff7ed;
  color: #c2410c;
}

.ops-bar-list,
.ops-rank-list {
  display: grid;
  gap: 12px;
}

.ops-bar-row {
  display: grid;
  gap: 8px;
}

.ops-bar-row > div:first-child {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.ops-bar-row span,
.ops-rank-list span {
  color: var(--muted);
  font-size: 13px;
}

.ops-bar-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #e2e8f0;
}

.ops-bar-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--main), var(--sub));
}

.ops-rank-list {
  padding-left: 22px;
}

.ops-rank-list li {
  padding-bottom: 10px;
  border-bottom: 1px solid #edf2f7;
}

.ops-rank-list a,
.ops-rank-list span {
  display: block;
}

.ops-traffic-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.ops-traffic-grid > div {
  display: grid;
  gap: 6px;
  padding: 14px;
}

@media (max-width: 900px) {
  .site-header,
  .footer-inner,
  .section-heading,
  .ops-header {
    display: block;
  }

  .primary-nav {
    justify-content: flex-start;
    margin-top: 12px;
  }

  .hero,
  .grid-3,
  .grid-2,
  .post-grid,
  .category-grid,
  .benefit-grid,
  .trust-strip,
  .ops-grid,
  .ops-traffic-grid,
  .admin-shell,
  .form-grid {
    grid-template-columns: 1fr;
  }

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

  .ops-header .button-row {
    margin-top: 14px;
  }

  .benefit-meta {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-copy,
  .article-shell,
  .policy-card {
    padding: 22px;
  }

  .admin-sidebar {
    display: flex;
    gap: 8px;
    overflow-x: auto;
  }

  .admin-sidebar button {
    min-width: 132px;
  }
}