:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-soft: #f8faff;
  --surface-deep: #0f4b95;
  --text: #151b23;
  --text-soft: #586274;
  --text-faint: #8f98a8;
  --line: rgba(16, 24, 40, 0.08);
  --accent: #0d4ea0;
  --accent-soft: rgba(13, 78, 160, 0.08);
  --shadow-lg: 0 24px 60px rgba(18, 38, 63, 0.08);
  --shadow-md: 0 14px 36px rgba(18, 38, 63, 0.06);
  --shadow-sm: 0 8px 22px rgba(18, 38, 63, 0.04);
  --shadow-hover: 0 24px 52px rgba(18, 38, 63, 0.12);
  --glass-bg: rgba(255, 255, 255, 0.28);
  --glass-bg-soft: rgba(255, 255, 255, 0.36);
  --glass-bg-strong: rgba(255, 255, 255, 0.56);
  --glass-bg-raised: rgba(255, 255, 255, 0.46);
  --glass-border: rgba(255, 255, 255, 0.34);
  --glass-border-soft: rgba(255, 255, 255, 0.22);
  --glass-blur: blur(8px);
  --glass-shadow: 0 12px 28px rgba(18, 38, 63, 0.045);
  --glass-shadow-strong: 0 14px 30px rgba(18, 38, 63, 0.06);
  --glass-ring: 0 0 0 4px rgba(255, 255, 255, 0.18);
  --accent-gradient: linear-gradient(135deg, rgba(10, 77, 155, 0.82), rgba(20, 90, 176, 0.78));
  --accent-shadow: 0 12px 24px rgba(13, 78, 160, 0.12);
  --accent-shadow-hover: 0 14px 28px rgba(13, 78, 160, 0.14);
  --container: min(1116px, calc(100vw - 160px));
  --nav-offset: 80px;
  --card-radius: 18px;
  --panel-padding: 22px;
  --section-gap: 43px;
  --motion: 240ms cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 13.5px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at top left, rgba(13, 78, 160, 0.05), transparent 28%),
    radial-gradient(circle at bottom right, rgba(13, 78, 160, 0.04), transparent 24%),
    var(--bg);
  color: var(--text);
  font-family: "Noto Sans SC", "Manrope", sans-serif;
  line-height: 1.6;
  position: relative;
}

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

img {
  display: block;
  width: 100%;
}

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

button {
  border: 0;
  background: none;
  cursor: pointer;
}

.shell {
  min-height: 100vh;
  position: relative;
  isolation: isolate;
}

.shell > :not(.site-background-layer) {
  position: relative;
  z-index: 1;
}

.site-background-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  --site-bg-overlay-opacity: 0.18;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: 50% 50%;
  transition: opacity 260ms ease;
}

.site-background-layer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(245, 247, 251, 0.14), rgba(245, 247, 251, 0.28));
  opacity: var(--site-bg-overlay-opacity);
}

.site-background-layer.is-visible {
  opacity: 0.88;
}

body.is-admin-view .site-background-layer {
  opacity: 0;
}

body.is-edge-browser .site-background-layer {
  transition: none;
}

.topbar-wrap {
  position: sticky;
  top: 16px;
  z-index: 20;
  padding: 16px 0 0;
}

.topbar {
  width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 25px;
  padding: 11px 25px;
  border: 1px solid var(--glass-border);
  border-radius: 23px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
}

body.is-edge-browser .topbar {
  backdrop-filter: none;
  background: rgba(255, 255, 255, 0.76);
}

.brand {
  font-size: clamp(0.98rem, 1.02vw, 1.05rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: #162a62;
  white-space: nowrap;
}

.brand strong {
  font-size: clamp(1.3rem, 1.9vw, 1.8rem);
  line-height: 1;
}

.brand span {
  display: inline-block;
  font-size: clamp(0.88rem, 1.02vw, 1rem);
  margin-left: 0.1em;
}

.nav {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 47px;
  padding: 0 15px;
  border-radius: 12px;
  font-size: clamp(0.88rem, 0.92vw, 0.94rem);
  font-weight: 700;
  color: #39465e;
  transition:
    color var(--motion),
    transform var(--motion),
    opacity var(--motion),
    background var(--motion);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 3px;
  border-radius: 999px;
  background: var(--accent);
  transform: scaleX(0);
  opacity: 0;
  transition:
    transform var(--motion),
    opacity var(--motion);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--accent);
  transform: translateY(-2px);
  background: rgba(13, 78, 160, 0.08);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
  opacity: 1;
}

.nav-tools {
  display: flex;
  align-items: center;
  gap: 14px;
}

.icon-button {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #4e586a;
  transition:
    transform var(--motion),
    background var(--motion),
    color var(--motion),
    box-shadow var(--motion);
}

.icon-button:hover {
  background: rgba(13, 78, 160, 0.08);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.page {
  width: var(--container);
  margin: 0 auto;
  padding: calc(var(--nav-offset) + 11px) 0 43px;
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 140ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 140ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

body.is-edge-browser .page {
  transition: none;
  will-change: auto;
}

.page.is-entered {
  opacity: 1;
  transform: translateY(0);
}

.page.is-leaving {
  opacity: 0;
  transform: translateY(8px);
}

.eyebrow,
.meta-tag,
.tag,
.count-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
}

.eyebrow {
  background: var(--accent-soft);
  color: var(--accent);
  font-size: clamp(0.88rem, 0.96vw, 0.95rem);
  font-weight: 700;
}

.hero-title-row {
  display: flex;
  align-items: center;
  gap: 18px;
}

.eyebrow-badge {
  width: 118px;
  min-width: 118px;
  height: 136px;
  padding: 16px 12px;
  border-radius: 999px;
  background: rgba(13, 78, 160, 0.08);
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  justify-items: center;
  gap: 8px 8px;
}

.eyebrow-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.eyebrow-icon svg {
  width: 26px;
  height: 26px;
}

.eyebrow-text {
  color: var(--accent);
  font-size: clamp(0.82rem, 0.92vw, 0.9rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.55;
  writing-mode: vertical-rl;
  text-orientation: upright;
}

.page-label {
  display: block;
  margin-bottom: 14px;
  color: var(--accent);
  font-size: clamp(1rem, 1.08vw, 1.15rem);
  font-weight: 700;
}

.hero-grid,
.feature-layout,
.article-grid,
.patent-main,
.contact-grid,
.split-grid {
  display: grid;
  gap: 20px;
}

.hero-grid {
  grid-template-columns: minmax(0, 1fr) minmax(378px, 0.84fr);
  gap: 54px;
  align-items: center;
}

.hero-copy {
  max-width: 504px;
  transform: translateX(4.4ch);
}

.contact-copy {
  transform: none;
}

.contact-copy h1,
.contact-copy .lead {
  transform: translateX(3ch);
}

.hero-copy h1,
.page-hero h1,
.contact-copy h1 {
  margin: 0;
  font-size: clamp(1.76rem, 2.88vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: -0.06em;
  font-weight: 900;
}

.hero-title-row .hero-copy h1,
.hero-title-row h1 {
  transform: translateY(6px);
}

.hero-copy h1 .accent,
.page-hero h1 .accent,
.contact-copy h1 .accent {
  color: var(--accent);
}

.lead,
.page-hero p {
  margin: 13px 0 0;
  color: #475367;
  font-size: clamp(0.84rem, 0.9vw, 0.96rem);
  line-height: 1.72;
}

.contact-copy .lead {
  margin-top: 20px;
}

.hero-actions {
  display: flex;
  gap: 13px;
  margin-top: 22px;
  flex-wrap: wrap;
}

.button-primary,
.button-secondary,
.button-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 45px;
  padding: 0 20px;
  border-radius: 14px;
  font-size: clamp(0.8rem, 0.86vw, 0.88rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-align: center;
  white-space: nowrap;
  transition:
    transform var(--motion),
    box-shadow var(--motion),
    background var(--motion),
    opacity var(--motion),
    color var(--motion);
}

.button-primary {
  color: #fff;
  background: var(--accent-gradient);
  box-shadow: var(--accent-shadow);
}

.button-secondary,
.button-light {
  color: #50607d;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-soft);
  box-shadow: var(--glass-shadow);
}

.button-light {
  color: var(--accent);
}

.button-primary:hover,
.button-secondary:hover,
.button-light:hover {
  transform: translateY(-3px);
}

.button-primary:hover {
  box-shadow: var(--accent-shadow-hover);
}

.button-secondary:hover,
.button-light:hover {
  background: var(--glass-bg-strong);
  box-shadow: var(--glass-shadow);
}

.hero-media {
  position: relative;
  width: 100%;
  max-width: 450px;
  justify-self: end;
}

.hero-image {
  overflow: hidden;
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-lg);
}

.hero-image img {
  aspect-ratio: 0.84;
  object-fit: cover;
  filter: grayscale(1);
}

body.is-edge-browser .hero-image img {
  filter: none;
}

.metric-card {
  position: absolute;
  left: -22px;
  bottom: -25px;
  width: min(198px, 52%);
  padding: 16px 16px;
  border-radius: 18px;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow-strong);
}

.metric-card strong {
  display: block;
  margin-bottom: 6px;
  color: var(--accent);
  font-size: 2.52rem;
  line-height: 1;
  letter-spacing: -0.06em;
}

.metric-card span {
  color: var(--text-soft);
  font-size: clamp(0.84rem, 0.88vw, 0.9rem);
  line-height: 1.5;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: var(--section-gap) 0 16px;
}

.section-head h2,
.feedback-card h3,
.comment-section h2,
.contact-form-card h2 {
  margin: 0 0 10px;
  font-size: clamp(1.32rem, 2vw, 1.8rem);
  letter-spacing: -0.05em;
  line-height: 1.18;
}

.section-head p {
  margin: 0;
  color: var(--text-soft);
  font-size: clamp(0.84rem, 0.88vw, 0.92rem);
}

.section-marker {
  width: 72px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, #0c509f, #125faf);
}

.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
}

.search-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 24, 40, 0.3);
  backdrop-filter: blur(8px);
}

body.is-edge-browser .search-backdrop {
  backdrop-filter: none;
}

.search-modal {
  position: relative;
  width: min(860px, calc(100vw - 28px));
  margin: 96px auto 0;
}

.utility-card,
.article-panel,
.listing-footer {
  border-radius: var(--card-radius);
  background: var(--glass-bg-soft);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
}

body.is-edge-browser .utility-card,
body.is-edge-browser .article-panel,
body.is-edge-browser .listing-footer,
body.is-edge-browser .metric-card {
  backdrop-filter: none;
  background: rgba(255, 255, 255, 0.76);
}

.utility-card {
  padding: 20px 22px;
}

.search-modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.utility-head h3 {
  margin: 0 0 8px;
  font-size: clamp(1.04rem, 1.08vw, 1.15rem);
  letter-spacing: -0.03em;
}

.utility-head p,
.utility-empty,
.utility-result span,
.utility-note p {
  margin: 0;
  color: var(--text-soft);
  font-size: clamp(0.88rem, 0.92vw, 0.95rem);
  line-height: 1.7;
}

.utility-search {
  margin-top: 16px;
}

.utility-search input {
  width: 100%;
  min-height: 48px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
}

.utility-results {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.utility-result,
.utility-nav-link {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--glass-border-soft);
  background: var(--glass-bg-soft);
  transition:
    transform var(--motion),
    box-shadow var(--motion),
    background var(--motion);
}

.utility-result:hover,
.utility-nav-link:hover {
  transform: translateY(-3px);
  box-shadow: var(--glass-shadow);
  background: var(--glass-bg-strong);
}

.card-grid,
.secondary-grid,
.two-up,
.field-grid,
.patent-secondary,
.figure-grid {
  display: grid;
  gap: 20px;
}

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

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

.card,
.feedback-card,
.comment-form,
.contact-form-card,
.meta-panel,
.comment-item,
.contact-panel,
.sidebar-card {
  border-radius: var(--card-radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.28));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
}

.card {
  overflow: hidden;
  transition:
    transform var(--motion),
    box-shadow var(--motion),
    border-color var(--motion),
    background var(--motion);
}

.card > a {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.card-image {
  overflow: hidden;
}

.card-image img {
  aspect-ratio: 1.28;
  object-fit: cover;
  transition:
    transform var(--motion),
    filter var(--motion);
}

.card:not(.article-panel):hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-8px);
}

.card:not(.article-panel):hover .card-image img {
  transform: scale(1.04);
}

body.is-edge-browser .card,
body.is-edge-browser .feedback-card,
body.is-edge-browser .comment-form,
body.is-edge-browser .contact-form-card,
body.is-edge-browser .meta-panel,
body.is-edge-browser .comment-item,
body.is-edge-browser .contact-panel,
body.is-edge-browser .sidebar-card {
  backdrop-filter: none;
  background: rgba(255, 255, 255, 0.78);
}

body.is-edge-browser .card:not(.article-panel):hover {
  transform: none;
  box-shadow: var(--shadow-md);
}

body.is-edge-browser .card:not(.article-panel):hover .card-image img {
  transform: none;
}

.card-body,
.feedback-card,
.comment-form,
.contact-form-card,
.meta-panel,
.comment-item,
.text-card,
.article-copy,
.contact-panel,
.sidebar-card {
  padding: var(--panel-padding);
}

.meta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-faint);
  font-size: clamp(0.88rem, 0.92vw, 0.95rem);
}

.meta-tag {
  padding: 6px 10px;
  border-radius: 9px;
  background: var(--glass-bg-strong);
  color: #485365;
  font-size: clamp(0.78rem, 0.84vw, 0.84rem);
  font-weight: 700;
}

.meta-tag.blue {
  background: var(--accent);
  color: #fff;
}

.tag {
  padding: 6px 10px;
  background: var(--glass-bg-strong);
  color: #4d5a70;
  font-size: clamp(0.78rem, 0.84vw, 0.84rem);
  font-weight: 700;
}

.count-pill {
  min-width: 90px;
  justify-content: center;
  padding: 8px 16px;
  background: var(--glass-bg-soft);
  color: #1d2431;
  font-size: clamp(0.8rem, 0.84vw, 0.88rem);
  font-weight: 700;
}

.card h3,
.feature-copy h3,
.text-card h3,
.patent-card h3,
.sidebar-card h3 {
  margin: 16px 0 12px;
  font-size: clamp(1.02rem, 1.3vw, 1.26rem);
  line-height: 1.26;
  letter-spacing: -0.05em;
}

.card p,
.feature-copy p,
.text-card p,
.patent-card p,
.sidebar-card p,
.article-copy p,
.contact-copy p,
.stat-line {
  margin: 0;
  color: #4f5c72;
  font-size: clamp(0.84rem, 0.9vw, 0.92rem);
  line-height: 1.72;
}

.link-inline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  color: var(--accent);
  font-size: clamp(0.84rem, 0.9vw, 0.92rem);
  font-weight: 800;
}

.split-grid {
  grid-template-columns: minmax(0, 1.5fr) minmax(270px, 0.78fr);
}

.feature-layout {
  grid-template-columns: minmax(0, 1.42fr) minmax(300px, 0.68fr);
}

.detail-stack {
  display: grid;
  gap: 18px;
}

.article-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.52fr) minmax(250px, 0.7fr);
  gap: 18px;
  align-items: start;
}

.article-content-stack,
.article-side-stack {
  display: grid;
  gap: 18px;
  align-content: start;
}

.article-panel {
  padding: 24px 24px;
  transition: none;
}

.article-panel:hover {
  transform: none;
  box-shadow: var(--shadow-sm);
}

.ipc-route-page {
  width: min(1320px, calc(100vw - 48px));
}

.ipc-route-hero {
  margin-bottom: 22px;
}

.ipc-site-grid {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr) 340px;
  gap: 20px;
  align-items: start;
}

.ipc-site-sidebar {
  display: grid;
  gap: 20px;
  align-content: start;
}

.ipc-site-sidebar h2 {
  margin: 0 0 10px;
  font-size: clamp(1.68rem, 2.2vw, 2.1rem);
  line-height: 1.12;
  letter-spacing: -0.05em;
  color: #162a62;
}

body.is-ipc-route {
  overflow-x: hidden !important;
  overflow-y: auto !important;
}

body.is-ipc-route .ipc-site-browser,
body.is-ipc-route .ipc-site-detail {
  overflow: hidden;
}

body.is-ipc-route .ipc-site-grid > .article-panel,
body.is-ipc-route .ipc-site-sidebar > .article-panel {
  border: 1px solid var(--glass-border);
  border-radius: 23px;
  background: var(--glass-bg);
  backdrop-filter: none;
  box-shadow: var(--glass-shadow);
}

body.is-ipc-route .ipc-site-grid > .article-panel:hover,
body.is-ipc-route .ipc-site-sidebar > .article-panel:hover {
  box-shadow: var(--glass-shadow);
}

body.is-ipc-route .ipc-site-grid .eyebrow {
  display: block;
  margin: 0 0 14px;
  padding: 0;
  border-radius: 0;
  background: transparent;
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--accent);
}

body.is-ipc-route .ipc-site-grid .explorer-head .eyebrow,
body.is-ipc-route .ipc-site-grid .ipc-detail > .eyebrow,
body.is-ipc-route .ipc-site-grid .ipc-site-sidebar .eyebrow {
  justify-self: start;
  align-self: start;
}

body.is-ipc-route .ipc-site-grid .explorer-head {
  margin-bottom: 18px;
}

body.is-ipc-route .ipc-site-grid .ipc-detail > .eyebrow {
  margin-bottom: 10px;
}

body.is-ipc-route .ipc-site-grid .field input,
body.is-ipc-route .ipc-site-grid .field select {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border);
  box-shadow: var(--shadow-sm);
}

body.is-ipc-route .ipc-site-grid .field input::placeholder {
  color: rgba(70, 83, 107, 0.72);
}

body.is-ipc-route .ipc-site-grid .field input:focus,
body.is-ipc-route .ipc-site-grid .field select:focus {
  border-color: var(--glass-bg-strong);
  box-shadow:
    var(--glass-ring),
    var(--glass-shadow);
}

body.is-ipc-route .ipc-site-grid .primary-button {
  background: var(--accent-gradient);
  box-shadow: var(--accent-shadow);
}

body.is-ipc-route .ipc-site-grid .secondary-button {
  color: rgba(22, 42, 98, 0.9);
  background: var(--glass-bg);
  border-color: var(--glass-border-soft);
}

body.is-ipc-route .ipc-site-grid .primary-button:hover,
body.is-ipc-route .ipc-site-grid .secondary-button:hover {
  transform: translateY(-1px);
}

body.is-ipc-route .ipc-site-grid .primary-button:hover {
  box-shadow: var(--accent-shadow-hover);
}

body.is-ipc-route .ipc-site-grid .secondary-button:hover {
  background: var(--glass-bg-soft);
}

body.is-ipc-route .ipc-site-grid .search-results {
  background: linear-gradient(180deg, var(--glass-bg), rgba(255, 255, 255, 0.18));
  border-color: var(--glass-border-soft);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}

body.is-ipc-route .ipc-site-grid .result-card,
body.is-ipc-route .ipc-site-grid .detail-path-code,
body.is-ipc-route .ipc-site-grid .detail-path-text,
body.is-ipc-route .ipc-site-grid .detail-notes,
body.is-ipc-route .ipc-site-grid .child-chip {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border);
  box-shadow: var(--shadow-sm);
}

body.is-ipc-route .ipc-site-grid .tree-row-section {
  background: var(--glass-bg-raised);
  border-color: var(--glass-border-soft);
  box-shadow: var(--shadow-sm);
}

body.is-ipc-route .ipc-site-grid .tree-row-section:hover {
  background: rgba(255, 255, 255, 0.58);
  border-color: var(--glass-border);
  box-shadow: var(--glass-shadow);
}

body.is-ipc-route .ipc-site-grid .tree-row-section.is-selected {
  background: linear-gradient(180deg, var(--glass-bg-strong), var(--glass-bg-raised));
  border-color: var(--glass-border);
}

body.is-ipc-route .ipc-site-grid .tree-row-inline .tree-row-head {
  border-bottom-color: rgba(255, 255, 255, 0.18);
}

body.is-ipc-route .ipc-site-grid .tree-row-inline.is-selected .tree-row-head {
  background: rgba(255, 255, 255, 0.12);
}

body.is-ipc-route .ipc-site-grid .tree-toggle,
body.is-ipc-route .ipc-site-grid .detail-level {
  background: var(--glass-bg-soft);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28);
}

body.is-ipc-route .ipc-site-grid .tree-row-inline .tree-toggle {
  background: transparent;
  box-shadow: none;
}

body.is-ipc-route .ipc-site-grid .detail-path-code {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.24);
}

body.is-ipc-route .ipc-site-grid .detail-path-text {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

body.is-ipc-route .ipc-site-grid .detail-notes.is-collapsed::after {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.62));
}

body.is-ipc-route .ipc-explorer,
body.is-ipc-route .ipc-detail {
  height: auto;
  min-height: 760px;
  max-height: calc(100vh - 190px);
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.article-topic-card h1 {
  margin: 18px 0 0;
  font-size: clamp(1.68rem, 2.4vw, 2.2rem);
  line-height: 1.18;
  letter-spacing: -0.05em;
}

.article-section-head {
  margin: 0 0 14px;
  align-items: flex-start;
}

.article-section-head h2 {
  margin-bottom: 8px;
}

.article-rich-content {
  display: grid;
  gap: 14px;
}

.article-rich-content p {
  margin: 0;
  font-size: clamp(0.86rem, 0.92vw, 0.94rem);
  line-height: 1.82;
  color: #46536b;
}

.article-summary-card p {
  margin: 0;
  color: #4f5c72;
  font-size: clamp(0.84rem, 0.9vw, 0.92rem);
  line-height: 1.72;
}

.article-summary-card {
  align-self: start;
}

.article-comment-summary-card,
.article-comments-flow {
  align-self: start;
}

.article-comments-flow .section-head {
  margin-top: 0;
}

.article-comment-summary-card .comment-tip {
  margin-top: 0;
}

.article-comment-list-card .comment-list {
  gap: 14px;
}

.article-comment-list-card .comment-item {
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0.22));
  box-shadow: var(--shadow-sm);
  backdrop-filter: var(--glass-blur);
}

.article-comment-list-card .comment-item + .comment-item {
  border-top: 0;
}

.article-comments-flow .comment-form {
  display: grid;
  gap: 18px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.12));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.26),
    var(--shadow-sm);
  backdrop-filter: none;
}

.article-comments-flow .field {
  gap: 12px;
}

.article-comments-flow .field input,
.article-comments-flow .field textarea {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(195, 207, 226, 0.62);
  box-shadow: 0 12px 28px rgba(18, 38, 63, 0.05);
}

.article-comments-flow .field input::placeholder,
.article-comments-flow .field textarea::placeholder {
  color: rgba(70, 83, 107, 0.72);
}

.article-comments-flow .field input:focus,
.article-comments-flow .field textarea:focus {
  border-color: rgba(150, 176, 214, 0.72);
  box-shadow:
    var(--glass-ring),
    var(--shadow-sm);
}

.summary-meta,
.listing-footer {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.summary-meta {
  margin-top: 14px;
}

.listing-footer {
  justify-content: center;
  margin-top: 18px;
  padding: 12px 14px;
}

.pagination-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.page-jump {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-soft);
  font-size: clamp(0.8rem, 0.84vw, 0.88rem);
}

.page-jump select {
  min-height: 40px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
}

.article-grid {
  grid-template-columns: minmax(0, 1.42fr) minmax(280px, 0.68fr);
}

.patent-main {
  grid-template-columns: minmax(0, 1.42fr) minmax(290px, 0.68fr);
}

.contact-grid {
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  align-items: stretch;
}

.contact-copy .contact-panel:first-child {
  min-height: 144px;
  padding-top: 18px;
  padding-bottom: 18px;
}

.contact-copy .contact-panel:first-child h3 {
  margin-top: 0;
  margin-bottom: 22px;
}

.contact-form-card {
  display: flex;
  flex-direction: column;
  position: relative;
}

.contact-form-card form {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.feature-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
}

.avatar,
.avatar-fallback {
  width: 48px;
  height: 48px;
  flex: none;
  border-radius: 50%;
  overflow: hidden;
}

.avatar img {
  aspect-ratio: 1;
  object-fit: cover;
}

.avatar-fallback {
  align-items: center;
  justify-content: center;
  display: inline-flex;
  border-radius: 16px;
  background: #2f3642;
  color: #fff;
  font-size: 1.5rem;
}

.sidebar-card.is-blue {
  background: linear-gradient(180deg, #1657a8, #124d94);
  color: #fff;
}

.sidebar-card.is-blue p,
.sidebar-card.is-blue .stat-line {
  color: rgba(255, 255, 255, 0.84);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feedback-card h3,
.comment-section h2,
.contact-form-card h2 {
  text-align: left;
  margin-bottom: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.field label {
  color: #344055;
  font-size: clamp(0.78rem, 0.82vw, 0.86rem);
  font-weight: 700;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  color: var(--text);
  outline: none;
  box-shadow: 0 10px 24px rgba(18, 38, 63, 0.03);
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.field textarea {
  min-height: 168px;
  resize: vertical;
}

.field input[type="range"] {
  min-height: auto;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  box-shadow: none;
  accent-color: var(--accent);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--glass-bg-strong);
  box-shadow:
    var(--glass-ring),
    var(--glass-shadow);
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 18px;
}

.page-pill {
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--glass-bg-strong);
  color: #536177;
  box-shadow: var(--glass-shadow);
  font-size: 0.92rem;
  font-weight: 800;
  transition:
    transform var(--motion),
    box-shadow var(--motion),
    background var(--motion),
    color var(--motion);
}

.page-pill:hover {
  transform: translateY(-2px);
  box-shadow: var(--glass-shadow-strong);
}

.page-pill:disabled {
  cursor: not-allowed;
  opacity: 0.48;
  transform: none;
  box-shadow: none;
}

.page-pill.is-active {
  background: var(--accent);
  color: #fff;
}

.footer {
  width: var(--container);
  margin: 24px auto 0;
  padding: 20px 0 16px;
  border-top: 1px solid rgba(26, 43, 74, 0.08);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 20px;
}

.footer h4 {
  margin: 0 0 18px;
  color: #162a62;
  font-size: clamp(0.92rem, 0.96vw, 1rem);
}

.footer p,
.footer a {
  color: #66738a;
  font-size: clamp(0.88rem, 0.92vw, 0.95rem);
  line-height: 1.65;
}

.footer a {
  display: inline-flex;
  align-items: center;
  transition:
    color var(--motion),
    transform var(--motion),
    opacity var(--motion);
}

.footer a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.brand-block strong {
  display: block;
  font-size: clamp(1.36rem, 1.8vw, 1.8rem);
  letter-spacing: -0.05em;
  color: #162a62;
}

.footer-record {
  margin-top: 12px;
}

.header-stats,
.stats-pills,
.comment-head,
.contact-disclaimer,
.social-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.comment-head {
  justify-content: space-between;
  align-items: flex-start;
}

.comment-head-copy {
  display: grid;
  gap: 6px;
}

.comment-tip {
  margin: 0;
  color: #5d6980;
  font-size: clamp(0.8rem, 0.84vw, 0.88rem);
  line-height: 1.6;
}

.comment-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.comment-admin-toggle {
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: clamp(0.8rem, 0.84vw, 0.88rem);
}

.header-stats {
  justify-content: end;
}

.contact-illustration img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: end;
  padding: 24px;
  background: linear-gradient(180deg, rgba(10, 20, 40, 0.02), rgba(11, 21, 49, 0.72));
}

.article-overlay h1 {
  margin: 18px 0 0;
  color: #fff;
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.06em;
}

.dropcap {
  float: left;
  margin: 10px 14px 6px 0;
  color: var(--accent);
  font-size: 2.8rem;
  line-height: 0.8;
  font-weight: 900;
}

.quote-box {
  margin: 20px 0;
  padding: 18px 20px;
  border-left: 6px solid var(--accent);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.24));
  border: 1px solid var(--glass-border-soft);
  color: #1a2234;
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  font-style: italic;
  line-height: 1.5;
}

.newsletter-box {
  margin-top: 22px;
  padding: 18px;
  border-radius: 18px;
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
}

.comment-list,
.contact-panels {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.comment-section--compact {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.comment-item-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.comment-user {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.comment-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  flex-wrap: wrap;
}

.comment-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--glass-border-soft);
  border-radius: 999px;
  background: var(--glass-bg-strong);
  color: #43516c;
  box-shadow: var(--glass-shadow);
  font-size: 0.84rem;
  font-weight: 700;
  text-align: center;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease,
    color 0.2s ease;
}

.comment-action:hover {
  transform: translateY(-1px);
  box-shadow: var(--glass-shadow-strong);
}

.comment-action.is-danger {
  border-color: rgba(153, 42, 42, 0.14);
  background: rgba(163, 38, 38, 0.08);
  color: #8f1f1f;
}

.comment-item strong {
  font-size: 1rem;
}

.comment-item time {
  color: #6a778e;
  font-size: 0.84rem;
}

.comment-item p {
  margin: 0;
}

.contact-illustration {
  margin-top: 18px;
  overflow: hidden;
  border-radius: 20px;
}

.contact-panel-media {
  display: flex;
  align-items: stretch;
}

.contact-panel-media .contact-illustration {
  width: 100%;
  margin-top: 0;
  min-height: 260px;
}

.contact-disclaimer {
  justify-content: space-between;
  margin-top: auto;
}

.status-note {
  color: #5d6980;
  font-size: clamp(0.78rem, 0.82vw, 0.84rem);
}

.toast-region {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.contact-toast-region {
  position: absolute;
  right: 22px;
  bottom: 86px;
  z-index: 4;
  width: min(360px, calc(100% - 44px));
}

.contact-toast-region .toast {
  min-width: 0;
  max-width: none;
}

.toast {
  min-width: min(320px, calc(100vw - 24px));
  max-width: 380px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(21, 27, 35, 0.94);
  color: #fff;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.toast.is-success {
  background: rgba(16, 84, 48, 0.95);
}

.toast.is-error {
  background: rgba(150, 31, 31, 0.96);
}

.toast-title {
  display: block;
  margin-bottom: 4px;
  font-size: clamp(0.88rem, 0.92vw, 0.95rem);
  font-weight: 800;
}

.toast-message {
  display: block;
  font-size: clamp(0.82rem, 0.86vw, 0.88rem);
  line-height: 1.55;
}

.button-light.is-danger {
  color: #8f1f1f;
  background: rgba(163, 38, 38, 0.08);
}

.article-editor-output {
  display: grid;
  gap: 14px;
}

.article-editor-output h1,
.article-editor-output h2,
.article-editor-output h3,
.article-editor-output p,
.article-editor-output ul,
.article-editor-output ol,
.article-editor-output blockquote {
  margin: 0;
}

.article-editor-output h2,
.article-editor-output h3 {
  color: var(--text);
  letter-spacing: -0.04em;
}

.article-editor-output ul,
.article-editor-output ol {
  padding-left: 1.4rem;
  color: #46536b;
}

.article-editor-output blockquote {
  padding: 14px 16px;
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  background: rgba(13, 78, 160, 0.06);
  color: #334154;
}

.article-editor-output img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  margin: 18px auto;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
}

.admin-page {
  width: min(1242px, calc(100vw - 92px));
  padding-top: 29px;
  padding-bottom: 54px;
}

.admin-shell {
  display: grid;
  grid-template-columns: 252px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.admin-sidebar,
.admin-main {
  display: grid;
  gap: 18px;
}

.admin-profile-card,
.admin-settings-card,
.admin-login-card {
  border-radius: var(--card-radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.28));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  padding: 20px;
}

body.is-edge-browser .admin-profile-card,
body.is-edge-browser .admin-settings-card,
body.is-edge-browser .admin-login-card {
  backdrop-filter: none;
  background: rgba(255, 255, 255, 0.78);
}

.admin-profile-card h2,
.admin-login-card h1,
.admin-header h1 {
  margin: 10px 0 8px;
  font-size: clamp(1.46rem, 2vw, 1.9rem);
  line-height: 1.15;
  letter-spacing: -0.05em;
}

.admin-profile-card p,
.admin-login-card p,
.admin-header p,
.admin-inline-note,
.admin-empty {
  margin: 0;
  color: #56637b;
  font-size: 0.92rem;
  line-height: 1.7;
}

.admin-side-nav {
  display: grid;
  gap: 10px;
}

.admin-side-link {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 14px;
  background: var(--glass-bg-soft);
  color: #42516a;
  font-weight: 700;
  border: 1px solid var(--glass-border-soft);
  transition:
    transform var(--motion),
    background var(--motion),
    box-shadow var(--motion),
    color var(--motion);
}

.admin-side-link:hover,
.admin-side-link.is-active {
  color: var(--accent);
  background: var(--glass-bg-soft);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.admin-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.admin-header-actions,
.admin-inline-actions,
.admin-compose-actions,
.admin-login-actions,
.admin-filter-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.admin-post-toolbar {
  flex: 1 1 520px;
}

.admin-post-search {
  flex: 1 1 260px;
  min-width: min(320px, 100%);
}

.admin-post-search input {
  width: 100%;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  color: var(--text);
  box-shadow: var(--glass-shadow);
}

.admin-post-search input:focus {
  outline: none;
  border-color: var(--glass-bg-strong);
  box-shadow:
    var(--glass-ring),
    var(--glass-shadow);
}

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

.admin-action-grid,
.admin-compose-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 22px;
}

.admin-action-card,
.admin-list-card,
.admin-compose-main,
.admin-compose-side {
  padding: 22px;
}

.admin-action-card,
.admin-list-card {
  display: grid;
  gap: 12px;
}

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

.admin-list-card-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 286px;
  align-items: start;
  gap: 18px;
}

.admin-list-card h3,
.admin-compose-side h3 {
  margin: 10px 0 8px;
  font-size: 1.12rem;
  letter-spacing: -0.04em;
}

.admin-list-card-head > :first-child {
  min-width: 0;
}

.admin-list-card-head p {
  margin: 0;
}

.admin-list-card .admin-inline-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  justify-items: stretch;
  align-content: start;
  gap: 10px;
}

.admin-list-card .admin-inline-actions > * {
  width: 100%;
}

.admin-form-grid,
.admin-side-tips {
  display: grid;
  gap: 16px;
}

.admin-settings-divider {
  height: 1px;
  border-radius: 999px;
  background: rgba(36, 56, 92, 0.1);
}

.admin-inline-note {
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--glass-bg-soft);
}

.admin-inline-note.is-error {
  background: rgba(163, 38, 38, 0.08);
  color: #8f1f1f;
}

.admin-upload-panel {
  display: grid;
  gap: 12px;
}

.admin-background-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(260px, 0.95fr);
  gap: 16px;
}

.admin-upload-preview {
  min-height: 180px;
  position: relative;
  border-radius: 16px;
  border: 1px dashed var(--glass-border);
  background: var(--glass-bg-soft);
  display: grid;
  place-items: center;
  color: #66738a;
  overflow: hidden;
}

.admin-upload-preview.has-image {
  border-style: solid;
  background: var(--glass-bg-strong);
}

.admin-background-preview {
  min-height: 238px;
  align-items: end;
  justify-items: start;
  padding: 14px;
  background-size: 100%;
  background-position: 50% 50%;
  background-repeat: no-repeat;
}

.admin-background-preview::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(11, 21, 49, 0.36));
  opacity: 0;
  transition: opacity var(--motion);
}

.admin-background-preview.has-image::after {
  opacity: 1;
}

.admin-background-preview span {
  position: relative;
  z-index: 1;
}

.admin-background-preview.has-image span {
  padding: 6px 10px;
  border-radius: 999px;
  color: #fff;
  background: rgba(17, 27, 45, 0.54);
  backdrop-filter: blur(8px);
}

body.is-edge-browser .admin-background-preview.has-image span {
  backdrop-filter: none;
  background: rgba(17, 27, 45, 0.72);
}

.admin-range-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.admin-range-head output {
  color: #56637b;
  font-size: 0.88rem;
  font-weight: 800;
}

.admin-upload-preview img {
  width: 100%;
  height: 100%;
  max-height: 260px;
  object-fit: cover;
}

.admin-login-page {
  max-width: 780px;
}

.admin-editor-toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.admin-rich-editor {
  min-height: 320px;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  color: #334154;
  line-height: 1.72;
  outline: none;
}

.admin-rich-editor:focus {
  border-color: rgba(255, 255, 255, 0.56);
  box-shadow:
    0 0 0 4px rgba(255, 255, 255, 0.18),
    0 12px 28px rgba(18, 38, 63, 0.04);
}

.admin-rich-editor img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  margin: 18px auto;
  border-radius: 14px;
}

.admin-rich-editor a {
  color: var(--accent);
  text-decoration: underline;
}

@media (max-width: 1280px) {
  :root {
    --container: calc(100vw - 72px);
  }

  .article-main-grid,
  .hero-grid,
  .feature-layout,
  .article-grid,
  .patent-main,
  .contact-grid,
  .admin-shell,
  .admin-action-grid,
  .admin-compose-grid,
  .admin-stat-grid,
  .split-grid,
  .footer {
    grid-template-columns: 1fr;
  }

   .detail-stack {
    gap: 22px;
  }

  .card-grid,
  .secondary-grid,
  .patent-secondary,
  .admin-stat-grid,
  .two-up,
  .figure-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric-card {
    left: auto;
    right: 22px;
    bottom: 22px;
  }

  .ipc-site-grid {
    grid-template-columns: 280px minmax(0, 1fr);
  }

  .ipc-site-detail {
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  :root {
    --container: calc(100vw - 24px);
    --nav-offset: 72px;
  }

  .topbar-wrap {
    top: 11px;
    padding-top: 13px;
  }

  .topbar {
    gap: 11px;
    padding: 11px 15px;
    border-radius: 18px;
  }

  .brand strong {
    font-size: 1.45rem;
  }

  .brand span {
    font-size: 1rem;
  }

  .nav {
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .nav-link {
    min-height: 40px;
    padding: 0 11px;
    white-space: nowrap;
  }

  .page {
    padding-top: calc(var(--nav-offset) + 16px);
    padding-bottom: 36px;
  }

  .hero-copy h1,
  .page-hero h1,
  .contact-copy h1,
  .article-overlay h1 {
    font-size: 2.1rem;
  }

  .hero-copy {
    transform: none;
  }

  .contact-copy {
    transform: none;
  }

  .contact-copy h1,
  .contact-copy .lead {
    transform: none;
  }

  .contact-copy .contact-panel:first-child,
  .contact-form-card {
    min-height: auto;
  }

  .contact-grid {
    align-items: start;
  }

  .contact-form-card form {
    display: block;
  }

  .contact-disclaimer {
    margin-top: 0;
  }

  .admin-background-grid {
    grid-template-columns: 1fr;
  }

  .hero-title-row {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  .eyebrow-badge {
    width: 96px;
    min-width: 96px;
    height: 112px;
  }

  .hero-title-row .hero-copy h1,
  .hero-title-row h1 {
    transform: none;
  }

  .lead,
  .page-hero p {
    font-size: 1rem;
    max-width: none;
  }

  .button-primary,
  .button-secondary,
  .button-light {
    width: 100%;
    min-height: 45px;
    font-size: 0.92rem;
  }

  .hero-actions,
  .comment-head,
  .contact-disclaimer,
  .listing-footer {
    flex-direction: column;
    align-items: start;
  }

  .comment-toolbar,
  .comment-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .comment-item-top {
    flex-direction: column;
  }

  .comment-admin-toggle,
  .comment-action {
    width: 100%;
  }

  .utility-card,
  .article-panel {
    padding: 18px 16px;
  }

  .search-modal {
    width: calc(100vw - 16px);
    margin-top: 76px;
  }

  .utility-results {
    gap: 12px;
  }

  .card-grid,
  .secondary-grid,
  .patent-secondary,
  .two-up,
  .figure-grid,
  .field-grid,
  .admin-stat-grid,
  .footer {
    grid-template-columns: 1fr;
  }

  .ipc-route-page {
    width: calc(100vw - 16px);
  }

  .ipc-route-hero {
    margin-bottom: 18px;
  }

  .ipc-site-grid {
    grid-template-columns: 1fr;
  }

  .ipc-site-detail {
    grid-column: auto;
  }

  body.is-ipc-route .ipc-explorer,
  body.is-ipc-route .ipc-detail {
    min-height: 0;
    max-height: none;
  }

  .admin-header,
  .admin-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .admin-list-card-head {
    grid-template-columns: 1fr;
  }

  .admin-list-card .admin-inline-actions {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .admin-page {
    width: calc(100vw - 24px);
    padding-top: 16px;
  }

  .metric-card {
    position: static;
    width: 100%;
    margin-top: 13px;
  }

  .card-body,
  .feedback-card,
  .comment-form,
  .contact-form-card,
  .meta-panel,
  .comment-item,
  .text-card,
  .article-copy,
  .contact-panel,
  .sidebar-card {
    padding: 20px 18px;
  }

  .article-overlay {
    padding: 18px 16px;
  }
}