:root {
  --ink: #292928;
  --muted: #686863;
  --accent: #347344;
  --accent-hover: #285c35;
  --accent-fill: #b0ec9c;
  --accent-fill-hover: #9ee087;
  --line: #e4e4df;
  --line-strong: #cccec6;
  --paper: #ffffff;
  --canvas: #f7f7f4;
  --soft: #eef6e9;
  --selected: #eae8e5;
  --floating-bottom: 18px;
  --white: #fff;
  --radius: 12px;
  font-family:
    'Segoe UI',
    -apple-system,
    BlinkMacSystemFont,
    'PingFang SC',
    'Microsoft YaHei',
    sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
::selection {
  background: var(--accent-fill);
  color: var(--ink);
}
a {
  color: inherit;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}
button,
input,
select {
  font: inherit;
}
button,
a,
input,
select {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: default;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.035em;
}
h2 {
  font-size: 27px;
  font-weight: 650;
}
h3 {
  font-size: 21px;
  font-weight: 650;
}
p {
  color: var(--muted);
}
section {
  scroll-margin-top: 30px;
}
main {
  max-width: 1200px;
  margin: auto;
  padding: 0 36px 70px;
  min-height: 65vh;
}
main > section {
  margin: 48px 0;
}
main > section:first-child {
  margin-top: 0;
}
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--canvas);
}
.header-inner {
  max-width: 1440px;
  margin: auto;
  display: flex;
  align-items: center;
  gap: 42px;
  min-height: 76px;
  padding: 14px 40px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 24px;
  font-weight: 750;
  letter-spacing: -1.1px;
  white-space: nowrap;
}
.logo-icon {
  display: block;
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}
.main-nav,
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}
.main-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 14px;
  border-radius: 8px;
  font-weight: 550;
  color: #595b55;
  transition:
    background 150ms ease,
    color 150ms ease;
}
.main-nav a:hover,
.header-actions .compact-link:hover {
  background: var(--selected);
  color: var(--ink);
  text-decoration: none;
}
.nav-icon {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
}
.main-nav [aria-current] {
  color: var(--ink);
  background: var(--selected);
}
.header-actions {
  margin-left: auto;
  gap: 20px;
}
.language-switch {
  border-left: 1px solid var(--line);
  padding-left: 22px;
  white-space: nowrap;
}
.home-intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 44px;
  margin-bottom: 28px;
}
.eyebrow {
  display: block;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 1.2px;
  color: var(--accent);
  line-height: 1.7;
}
.dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: 10px;
}
.home-intro h1 {
  font-size: clamp(40px, 4vw, 56px);
  font-weight: 650;
  line-height: 1.12;
  margin: 18px 0;
}
.home-intro h1 em {
  font-family: inherit;
  font-weight: inherit;
  font-style: normal;
  color: var(--ink);
}
.lede {
  font-size: 16px;
  line-height: 1.75;
  max-width: 590px;
  margin-bottom: 0;
}
.issue {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 2px;
  text-align: right;
  line-height: 2.4;
  padding: 16px 0 16px 20px;
  border-left: 1px solid var(--line);
  flex-shrink: 0;
}
.search-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--canvas);
  border: 1px solid var(--line);
  padding: 9px 10px 9px 18px;
  border-radius: 10px;
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease;
}
.search-bar:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--soft);
}
.search-bar > span {
  font-size: 24px;
  color: var(--muted);
}
.search-bar input {
  border: 0;
  background: transparent;
  flex: 1;
  min-width: 0;
  padding: 8px 0;
  outline-offset: 2px;
}
.search-bar button {
  border: 0;
  border-radius: 7px;
  background: var(--accent-fill);
  padding: 5px 16px;
  font-size: 22px;
  color: var(--ink);
}
.search-bar button:hover {
  background: var(--accent-fill-hover);
}
main > .hero-grid {
  margin-top: 26px;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.05fr) minmax(0, 1fr);
  gap: 20px;
}
.hero {
  background: #eaf5e3;
  border-radius: var(--radius);
  border: 1px solid #d9e9d0;
  padding: 32px;
  display: flex;
  overflow: hidden;
  position: relative;
  min-height: 328px;
}
.hero-copy {
  position: relative;
  z-index: 1;
  flex: 1;
}
.hero h2 {
  font-size: 30px;
  margin: 22px 0 14px;
  line-height: 1.2;
}
.hero p {
  max-width: 310px;
  font-size: 14px;
}
.pill {
  display: inline-block;
  padding: 5px 11px;
  border: 1px solid #cddfc5;
  border-radius: 5px;
  background: #f7fcf3;
  color: var(--accent);
  font-size: 10px;
  letter-spacing: 0.8px;
  line-height: 1.5;
}
.button {
  display: inline-block;
  background: var(--accent-fill);
  color: var(--ink);
  border: 1px solid transparent;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  line-height: 1.6;
  transition:
    background 150ms ease,
    border-color 150ms ease,
    box-shadow 150ms ease;
}
.button:hover {
  background: var(--accent-fill-hover);
  text-decoration: none;
}
.button.secondary {
  color: var(--ink);
  background: var(--white);
  border-color: var(--line-strong);
}
.button.secondary:hover {
  background: var(--canvas);
  border-color: var(--muted);
}
.button[aria-pressed='true'] {
  background: var(--soft);
  border-color: var(--accent);
  color: var(--accent);
}
.button:disabled {
  background: var(--canvas);
  border-color: var(--line);
  color: var(--muted);
}
.hero .meta {
  display: block;
  font-size: 11px;
  margin-top: 17px;
}
.lens-art {
  width: 42%;
  align-self: stretch;
  position: relative;
  isolation: isolate;
}
.lens {
  width: 152px;
  height: 190px;
  border-radius: 45% 47% 42% 44%;
  position: absolute;
  background: linear-gradient(135deg, #ffffffd9, #d0eaba44 46%, #ffffffa6 55%, #a6cc9433);
  border: 1px solid #a0bb90;
  box-shadow:
    inset 4px 3px 12px #fffc,
    8px 18px 24px #4d70351a;
  transform: rotate(-25deg);
}
.lens-one {
  top: 25px;
  left: -8px;
}
.lens-two {
  top: 75px;
  left: 58px;
  transform: rotate(19deg);
  background: linear-gradient(125deg, #ffffffa6, #c6dfb877 55%, #f7fff1cc);
}
.art-caption {
  position: absolute;
  bottom: 0;
  right: 0;
  font-size: 8px;
  letter-spacing: 2px;
  color: var(--accent);
  white-space: nowrap;
}
.fact {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.fact h2 {
  font-size: 27px;
  line-height: 1.25;
  margin: 24px 0 16px;
  font-weight: 600;
}
.fact p {
  font-size: 14px;
}
.fact .text-link {
  margin-top: auto;
}
.text-link {
  color: var(--accent);
  font-size: 14px;
  font-weight: 550;
  display: inline-block;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 22px;
}
.section-heading h2 {
  margin: 10px 0 0;
}
.categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.category-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px;
  background: var(--white);
  position: relative;
  transition:
    background 150ms ease,
    border-color 150ms ease,
    box-shadow 150ms ease;
}
.category-card:hover {
  background: var(--canvas);
  border-color: var(--line-strong);
  box-shadow: 0 3px 12px #29292808;
  text-decoration: none;
}
.number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 28px;
  padding: 0 7px;
  border-radius: 5px;
  background: var(--canvas);
  border: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.5px;
}
.category-card h3 {
  margin: 16px 0 10px;
  font-size: 20px;
}
.category-card p {
  font-size: 13px;
  margin-bottom: 0;
  padding-right: 12px;
}
.category-card > span:last-child {
  position: absolute;
  right: 21px;
  top: 20px;
}
.article-grid,
.brand-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.article-card {
  padding: 27px 25px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
}
.article-card h3 {
  margin: 20px 0 14px;
  font-size: 21px;
}
.article-card p {
  font-size: 14px;
  line-height: 1.8;
}
.article-card .meta {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 11px;
}
.meta {
  font-size: 12px;
  color: var(--muted);
}
.brand-strip {
  padding: 30px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.brand-strip > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 22px;
  margin-top: 24px;
  font-size: 20px;
  font-weight: 650;
  letter-spacing: -0.7px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 160px;
  max-width: 100%;
  height: 70px;
  vertical-align: middle;
}
.brand-mark img {
  display: block;
  max-width: 100%;
  width: 150px;
  height: 48px;
  object-fit: contain;
}
.brand-mark--zeiss img,
.brand-mark--essilor img,
.brand-mark--nikon img {
  width: 64px;
  height: 64px;
}
.brand-mark--hoya img {
  width: 115px;
}
.brand-mark--transitions {
  background: #29252f;
  border-radius: 8px;
  padding: 10px;
}
.brand-strip > div {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 16px;
}
.brand-mark-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 92px;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease;
}
.brand-mark-link:hover {
  border-color: var(--line-strong);
  box-shadow: 0 4px 16px #2929280a;
}
.brand-directory-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.brand-directory-card h2 {
  margin: 0 0 20px;
}
.brand-directory-card > .text-link {
  margin-top: auto;
  padding-top: 20px;
}
.brand-masthead {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 36px;
}
.brand-masthead .brand-mark {
  justify-content: flex-start;
  width: auto;
  min-width: 64px;
}
.brand-masthead + .page-heading {
  padding-top: 10px;
}
.brand-masthead + .page-heading > .eyebrow {
  display: none;
}
.region-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  padding: 0;
  margin: 10px 0;
  list-style: none;
}
.region-tags li {
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--canvas);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}
.catalog-overview,
.catalog-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.editorial-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: -12px 0 22px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}
.editorial-byline a,
.article-actions [rel='author'] {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.source-kind {
  display: inline-block;
  margin: 4px 0 0 8px;
  padding: 2px 8px;
  border-radius: 5px;
  background: var(--soft);
  color: var(--accent);
  font-size: 12px;
}
.sources .source-scope {
  margin: 5px 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}
.evidence-notes,
.decision-notes {
  margin: 32px 0;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow-wrap: anywhere;
}
.evidence-notes {
  background: var(--soft);
}
.decision-notes {
  background: var(--white);
}
.prose .evidence-notes h2,
.prose .decision-notes h2 {
  margin-top: 12px;
}
.decision-notes ol {
  padding-left: 22px;
}
.decision-notes li + li {
  margin-top: 24px;
}
.decision-notes li::marker {
  color: var(--accent);
  font-weight: 600;
}
.prose .revision-note {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}
.revision-note strong {
  display: block;
}
.source-type-guide > div {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.source-type-guide dt {
  margin-bottom: 6px;
  font-weight: 600;
}
.source-type-guide dd {
  margin: 0;
  color: var(--muted);
}
.catalog-overview {
  justify-content: flex-start;
  gap: 14px 30px;
  margin-bottom: 26px;
  color: var(--accent);
  font-size: 14px;
}
.catalog-heading h2 {
  margin: 10px 0 20px;
}
.catalog-heading > p {
  margin: 0 0 12px;
}
.js-ready form.catalog-filters[data-product-filters] {
  display: grid;
}
.catalog-filters {
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: 16px;
  align-items: end;
  padding: 22px;
  margin: 0 0 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--canvas);
}
.catalog-filters label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
  font-size: 12px;
  font-weight: 600;
}
.catalog-filters input,
.catalog-filters select {
  width: 100%;
  min-width: 0;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
}
.catalog-filters .button {
  min-height: 46px;
  padding: 10px 18px;
}
.catalog-result {
  grid-column: 1 / -1;
  margin: 0;
  font-weight: 400;
}
.product-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.product-card h3 {
  overflow-wrap: anywhere;
  font-size: 22px;
  line-height: 1.35;
}
.product-card .region-tags {
  margin-top: auto;
  padding-top: 12px;
}
.product-card-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
}
.source-link {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.catalog-status {
  display: inline-block;
  color: #75572a;
  font-size: 12px;
  margin-bottom: 14px;
}
.catalog-sources {
  margin: 32px 0;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.catalog-sources summary {
  cursor: pointer;
  color: var(--accent);
}
.catalog-sources .sources {
  margin-top: 20px;
}
.market-source-list {
  list-style: none;
  padding: 0;
}
.market-source-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.market-source-list a {
  overflow-wrap: anywhere;
}
.product-card[hidden],
.catalog-empty[hidden] {
  display: none;
}
.trademark-note {
  margin-top: 26px;
}
.tool-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (min-width: 1101px) {
  .tool-grid--directory {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
  padding: 28px;
}
.card h2 {
  font-size: 25px;
  margin: 18px 0;
}
.card h3 {
  margin-top: 18px;
}
.card p {
  font-size: 14px;
}
.tool-card {
  display: flex;
  flex-direction: column;
  align-items: start;
  background: var(--white);
  transition:
    background 150ms ease,
    border-color 150ms ease;
}
.tool-card:hover {
  background: var(--canvas);
  border-color: var(--line-strong);
  text-decoration: none;
}
.tool-card .number {
  background: var(--soft);
  border-color: #d9e9d0;
  color: var(--accent);
}
.tool-card h2 {
  font-size: 22px;
}
.tool-grid--directory .tool-card h2 {
  text-wrap: balance;
}
.tool-card > span:last-child {
  margin-top: auto;
}
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
  padding-top: 25px;
}
.page-heading {
  padding: 34px 0 28px;
  max-width: 870px;
}
.page-heading h1 {
  overflow-wrap: anywhere;
  font-size: clamp(32px, 3.5vw, 46px);
  font-weight: 650;
  margin: 18px 0 20px;
}
.article-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 13px;
  margin-bottom: 30px;
}
.article-actions > .meta {
  margin-right: auto;
}
.reading-layout {
  display: grid;
  grid-template-columns: minmax(0, 2.3fr) minmax(220px, 1fr);
  gap: 40px;
  align-items: start;
}
.prose {
  max-width: 800px;
  font-size: 17px;
}
.prose p {
  line-height: 1.95;
  color: #4f514b;
}
.prose h2 {
  margin-top: 38px;
  margin-bottom: 17px;
  font-size: 27px;
}
.prose li {
  margin: 14px 0;
  color: #4f514b;
}
.toc {
  padding: 25px;
  background: var(--canvas);
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 36px;
  font-size: 14px;
}
.toc strong {
  display: block;
  margin-bottom: 10px;
}
.toc a {
  display: block;
  color: var(--accent);
  margin: 5px 0;
}
.reading-aside {
  padding: 28px;
  background: var(--canvas);
  border: 1px solid var(--line);
  border-radius: 10px;
  position: sticky;
  top: 30px;
}
.reading-aside h2 {
  margin-top: 20px;
}
.reading-aside .text-link {
  display: block;
  margin-top: 20px;
}
.notice {
  padding: 18px 22px;
  border-left: 3px solid var(--accent-fill);
  background: var(--canvas);
  border-radius: 0 8px 8px 0;
  font-size: 13px;
  color: #4f514b;
  margin: 25px 0;
}
.sources {
  margin: 35px 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.sources h2 {
  font-size: 23px;
}
.sources ul {
  padding-left: 18px;
  font-size: 13px;
}
.sources li {
  padding: 5px 0;
  overflow-wrap: anywhere;
}
.sources a {
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--accent);
}
.sources .meta {
  display: block;
}
.steps {
  padding: 0;
  list-style: none;
  counter-reset: steps;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.steps li {
  display: flex;
  gap: 25px;
}
.steps h2 {
  font-size: 23px;
  margin-top: 0;
}
.steps p {
  margin-bottom: 0;
}
.table-scroll {
  overflow-x: auto;
}
table {
  border-collapse: collapse;
  width: 100%;
  margin: 25px 0;
  font-size: 15px;
  text-align: left;
}
thead {
  background: var(--canvas);
}
th {
  font-weight: 600;
}
caption {
  text-align: left;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 12px;
}
td,
th {
  padding: 16px 12px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
thead a {
  color: var(--accent);
  text-decoration: underline;
}
.brand-grid {
  margin: 25px 0;
}
form.card label {
  display: block;
  font-size: 14px;
  font-weight: 550;
  margin: 16px 0 8px;
}
form.card input,
form.card select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 12px;
  background: var(--white);
  color: var(--ink);
}
form.card .button {
  margin-top: 25px;
  margin-right: 5px;
}
#lens-result h2 {
  font-size: 23px;
}
#lens-result:not(:empty) {
  margin-top: 25px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
dt {
  font-weight: 650;
  margin-top: 20px;
}
dd {
  margin: 8px 0;
  color: var(--muted);
  font-size: 14px;
}
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.check-item input {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
  accent-color: var(--accent);
}
.check-item:has(input:checked) span {
  text-decoration: line-through;
  color: var(--muted);
}
.check-progress {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.check-progress progress {
  accent-color: var(--accent);
  flex: 1;
  min-width: 130px;
}
.js-only {
  display: none;
}
.js-ready .js-only {
  display: inline-block;
}
.js-ready form.js-only {
  display: block;
}
.js-ready .check-progress {
  display: flex;
}
.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  font-size: 13px;
}
footer {
  max-width: 1200px;
  margin: auto;
  border-top: 1px solid var(--line);
  padding: 40px 36px;
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 25px;
  flex-wrap: wrap;
}
footer p {
  font-size: 12px;
  margin-top: 12px;
}
.footer-notice {
  width: 100%;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  font-size: 11px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip {
  position: absolute;
  left: 15px;
  top: -100px;
  background: white;
  padding: 12px;
  z-index: 10;
}
.skip:focus {
  top: 10px;
}
html[lang='zh-Hans'] h1,
html[lang='zh-Hans'] h2,
html[lang='zh-Hans'] h3 {
  letter-spacing: 0;
  line-height: 1.45;
}
html[lang='zh-Hans'] .home-intro h1 {
  font-size: clamp(36px, 3.6vw, 50px);
}
/* A quiet workspace rail on desktop; the same links wrap above mobile content. */
@media (min-width: 1101px) {
  body {
    padding-left: 216px;
  }
  .site-header {
    position: fixed;
    z-index: 20;
    inset: 0 auto 0 0;
    width: 216px;
    border-right: 1px solid var(--line);
    border-bottom: 0;
    overflow-y: auto;
  }
  .header-inner {
    min-height: 100%;
    min-height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 24px 16px;
  }
  .header-inner > .logo {
    padding: 6px 10px;
    font-size: 23px;
  }
  .main-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    margin: 32px 0;
  }
  .main-nav a {
    padding: 11px 13px;
  }
  .main-nav [aria-current] {
    font-weight: 650;
  }
  .header-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    margin: auto 0 0;
    padding-top: 16px;
    border-top: 1px solid var(--line);
  }
  .header-actions .compact-link {
    padding: 9px 13px;
    border-radius: 8px;
    color: var(--muted);
  }
  .language-switch {
    border-left: 0;
    border-top: 1px solid var(--line);
    margin-top: 12px;
    padding: 18px 13px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
  }
  .skip {
    z-index: 25;
  }
}
@media (min-width: 1440px) {
  main,
  footer {
    padding-left: 44px;
    padding-right: 84px;
  }
}
@media (min-width: 1500px) {
  main {
    max-width: 1300px;
  }
}
@media (max-width: 1100px) {
  .header-inner {
    gap: 14px;
    flex-wrap: wrap;
    padding: 16px 28px 12px;
  }
  .main-nav {
    order: 3;
    width: 100%;
    gap: 8px;
  }
  .header-actions {
    gap: 13px;
  }
  .compact-link {
    font-size: 12px;
  }
  .lens-art {
    width: 32%;
  }
  .lens {
    width: 135px;
    height: 175px;
  }
  .lens-one {
    left: -10px;
  }
  .lens-two {
    left: 40px;
  }
  .hero {
    padding: 28px;
  }
  .hero h2 {
    font-size: 29px;
  }
  .hero-copy p {
    max-width: 245px;
  }
  .fact {
    padding: 24px;
  }
  .fact h2 {
    font-size: 29px;
  }
  .tool-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 800px) {
  .header-inner {
    gap: 12px;
    flex-wrap: wrap;
    padding: 15px 22px;
  }
  .logo {
    font-size: 21px;
  }
  .header-actions {
    gap: 14px;
  }
  .main-nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    font-size: 13px;
  }
  .main-nav a {
    justify-content: center;
    flex: 1;
    padding: 8px;
    gap: 7px;
  }
  .nav-icon {
    width: 17px;
    height: 17px;
  }
  .language-switch {
    padding-left: 13px;
  }
  .issue {
    display: none;
  }
  main {
    padding: 0 22px 40px;
  }
  .home-intro {
    padding-top: 36px;
  }
  .home-intro h1 {
    font-size: clamp(36px, 6vw, 48px);
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    min-height: 320px;
  }
  .lens-art {
    width: 40%;
  }
  .lens {
    width: 160px;
    height: 200px;
  }
  .lens-one {
    left: 0;
  }
  .lens-two {
    left: 60px;
  }
  .hero-copy p {
    max-width: 320px;
  }
  .fact h2 {
    margin: 18px 0;
    max-width: 430px;
  }
  .fact .text-link {
    margin-top: 10px;
  }
  .categories,
  .article-grid,
  .brand-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .reading-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .reading-aside {
    position: static;
  }
  .page-heading h1 {
    font-size: 39px;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .brand-strip > div {
    justify-content: flex-start;
    gap: 24px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .catalog-filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .section-heading h2 {
    font-size: 25px;
  }
  footer {
    padding: 30px 22px;
  }
  .prose {
    max-width: none;
  }
}
@media (max-width: 500px) {
  .brand-strip > div {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .catalog-filters {
    grid-template-columns: minmax(0, 1fr);
    padding: 16px;
  }
  .brand-masthead {
    gap: 16px;
  }
  .brand-masthead .eyebrow {
    font-size: 10px;
  }
  .header-actions {
    gap: 11px;
  }
  .compact-link {
    font-size: 11px;
  }
  .language-switch {
    font-size: 12px;
    padding-left: 10px;
  }
  .logo {
    font-size: 19px;
  }
  .header-inner,
  main,
  footer {
    padding-left: 18px;
    padding-right: 18px;
  }
  .main-nav {
    gap: 4px;
  }
  .main-nav a {
    flex-direction: column;
    gap: 5px;
    padding: 8px 3px;
    font-size: 11px;
    line-height: 1.4;
  }
  .nav-icon {
    width: 18px;
    height: 18px;
  }
  .home-intro h1 {
    font-size: 36px;
  }
  .lede {
    font-size: 15px;
  }
  .hero {
    padding: 25px;
    min-height: 340px;
  }
  .hero h2 {
    font-size: 28px;
    text-wrap: balance;
  }
  html[lang='zh-Hans'] .hero h2 {
    font-size: 25px;
  }
  .hero-copy {
    max-width: 100%;
    padding-right: 8px;
  }
  .hero-copy p {
    max-width: 225px;
  }
  .lens-art {
    position: absolute;
    right: -35px;
    top: 160px;
    height: 195px;
    width: 135px;
    opacity: 0.25;
  }
  .lens {
    width: 108px;
    height: 143px;
  }
  .lens-one {
    left: 0;
    top: 0;
  }
  .lens-two {
    left: 25px;
    top: 35px;
  }
  .art-caption {
    display: none;
  }
  .categories {
    gap: 12px;
  }
  .category-card {
    padding: 19px 15px;
  }
  .category-card h3 {
    font-size: 18px;
  }
  .category-card p {
    font-size: 12px;
    padding: 0;
  }
  .article-grid,
  .brand-grid {
    grid-template-columns: 1fr;
  }
  .tool-grid {
    gap: 12px;
  }
  .tool-card {
    padding: 21px 17px;
  }
  .tool-card h2 {
    font-size: 20px;
  }
  .tool-grid--directory .tool-card {
    padding: 22px 18px;
  }
  .eyebrow {
    font-size: 9px;
  }
  .section-heading {
    align-items: start;
  }
  .section-heading .text-link {
    white-space: nowrap;
    font-size: 12px;
    margin-top: 14px;
  }
  .page-heading h1 {
    font-size: 32px;
  }
  .article-actions .button {
    font-size: 12px;
  }
  .card {
    padding: 24px;
  }
  .check-progress {
    gap: 12px;
  }
  .prose {
    font-size: 16px;
  }
  main > section {
    margin: 40px 0;
  }
  .search-bar {
    padding-left: 16px;
  }
  .search-bar input {
    font-size: 13px;
  }
  footer .footer-links {
    gap: 20px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
@media print {
  .site-header,
  footer,
  .button,
  .search-bar,
  .reading-aside,
  .check-progress,
  .skip {
    display: none !important;
  }
  main {
    padding: 0;
    max-width: none;
  }
  .reading-layout {
    display: block;
  }
  body {
    background: white;
    padding-left: 0;
  }
  .prose {
    max-width: none;
  }
  .card,
  .article-card {
    break-inside: avoid;
  }
  .sources a {
    overflow-wrap: anywhere;
  }
}
@media (max-width: 360px) {
  .header-inner {
    gap: 10px;
  }
  .header-actions {
    gap: 8px;
  }
  .logo {
    font-size: 17px;
  }
  .main-nav a {
    font-size: 11px;
    gap: 4px;
  }
  .home-intro h1 {
    font-size: 32px;
  }
  .tool-grid {
    grid-template-columns: 1fr;
  }
}

/* Sharing stays outside the reading column; compact screens use one launcher. */
.share-rail {
  position: fixed;
  z-index: 30;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  width: 58px;
  padding: 13px 6px 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  box-shadow: 0 6px 28px #2929280a;
}
.share-rail-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 3px;
}
.share-item,
.share-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  min-height: 44px;
  padding: 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--accent);
  position: relative;
}
.share-item:hover,
.share-item:focus-visible,
.share-close:hover {
  background: var(--soft);
  text-decoration: none;
}
.share-item.js-only {
  display: none;
}
.js-ready .share-item.js-only {
  display: flex;
}
.share-item svg,
.share-launcher svg,
.share-native svg {
  flex: 0 0 22px;
}
.share-tooltip {
  display: none;
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%);
  padding: 5px 12px;
  border-radius: 8px;
  background: var(--ink);
  color: white;
  font-size: 12px;
  white-space: nowrap;
  pointer-events: none;
}
.share-item:hover .share-tooltip,
.share-item:focus-visible .share-tooltip {
  display: block;
}
.share-floating,
.js-ready .share-floating {
  display: none;
}
.share-dialog {
  width: min(460px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  overflow: auto;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 20px 80px #29292826;
}
.share-dialog::backdrop {
  background: #29292866;
}
.share-dialog-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.share-dialog-heading h2 {
  font-size: 24px;
  margin: 0;
}
.share-close {
  flex-shrink: 0;
}
.share-dialog p {
  margin: 8px 0 16px;
  font-size: 14px;
}
.share-dialog .share-page-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  overflow-wrap: anywhere;
  margin: 12px 14px;
}
.share-preview {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  margin: 16px 0;
  background: var(--paper);
}
.share-preview img {
  display: block;
  width: 100%;
  height: auto;
}
.share-cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 18px;
}
.share-cover-actions .button {
  flex: 1;
  font-size: 13px;
  padding: 10px;
  text-align: center;
}
.share-platforms {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 18px 0;
}
.share-platforms .share-item {
  width: 100%;
  flex-direction: column;
  gap: 7px;
  border-radius: 12px;
  background: var(--paper);
  padding: 14px 4px;
  font-size: 12px;
}
.share-platforms .share-item:hover {
  background: var(--soft);
}
.share-instagram-help {
  background: var(--soft);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 18px;
  font-size: 14px;
}
.share-instagram-help p {
  margin: 0 0 8px;
}
.share-instagram-help a {
  text-decoration: underline;
  color: var(--accent);
}
.share-dialog label {
  font-size: 12px;
  font-weight: 600;
}
.share-copy-row {
  display: flex;
  gap: 8px;
  margin: 6px 0 12px;
}
.share-copy-row input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  color: var(--muted);
  background: var(--paper);
  font-size: 14px;
}
.share-copy-row .button {
  flex-shrink: 0;
  padding: 10px 14px;
  font-size: 13px;
}
.share-dialog .share-native {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
}
.share-dialog .share-dialog-status {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 0;
}
.share-dialog [hidden],
.share-feedback[hidden] {
  display: none;
}
.share-feedback {
  position: fixed;
  z-index: 40;
  right: 24px;
  bottom: calc(var(--floating-bottom) + 120px + env(safe-area-inset-bottom));
  max-width: min(340px, calc(100% - 32px));
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--ink);
  color: white;
  font-size: 14px;
  box-shadow: 0 5px 24px #2929281a;
}
.back-to-top {
  position: fixed;
  z-index: 30;
  right: max(18px, env(safe-area-inset-right));
  bottom: calc(24px + env(safe-area-inset-bottom));
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  color: var(--ink);
  background: rgb(255 255 255 / 82%);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 5px 22px #2929281a;
  transition:
    background 150ms ease,
    box-shadow 150ms ease;
}
.back-to-top:hover {
  background: var(--white);
  box-shadow: 0 7px 26px #29292826;
}
.back-to-top[hidden] {
  display: none;
}
@media (max-width: 1439px), (max-height: 600px) {
  .back-to-top {
    right: max(16px, env(safe-area-inset-right));
    bottom: calc(var(--floating-bottom) + 60px + env(safe-area-inset-bottom));
  }
  .share-rail {
    position: static;
    transform: none;
    width: auto;
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
    margin: 16px;
  }
  .share-rail .share-tooltip {
    display: none;
  }
  .js-ready .share-rail {
    display: none;
  }
  .js-ready .share-floating {
    position: fixed;
    z-index: 30;
    right: max(16px, env(safe-area-inset-right));
    bottom: calc(var(--floating-bottom) + env(safe-area-inset-bottom));
    display: flex;
    width: 48px;
    height: 48px;
    border: 1px solid #9dd689;
    border-radius: 14px;
    padding: 0;
    color: var(--ink);
    background: var(--accent-fill);
    box-shadow: 0 5px 22px #2929281a;
    opacity: 0.96;
  }
  .share-floating:hover,
  .share-floating:focus-within {
    opacity: 1;
  }
  .share-launcher {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: inherit;
    background: transparent;
    color: inherit;
    padding: 0;
  }
  .share-launcher:hover {
    background: #ffffff18;
  }
  .js-ready body {
    padding-bottom: calc(80px + env(safe-area-inset-bottom));
  }
}
@media (max-width: 400px) {
  .share-dialog {
    padding: 18px;
  }
  .share-dialog-heading h2 {
    font-size: 21px;
  }
}
/* Cover-mode viewports must keep page content clear of notches as well as controls. */
@media (max-width: 1100px) {
  .header-inner {
    padding-top: max(16px, env(safe-area-inset-top));
    padding-left: max(28px, env(safe-area-inset-left));
    padding-right: max(28px, env(safe-area-inset-right));
  }
  main,
  footer {
    padding-left: max(36px, env(safe-area-inset-left));
    padding-right: max(36px, env(safe-area-inset-right));
  }
}
/* Keep the same navigation links available in a translucent mobile dock. */
@media (max-width: 800px) {
  :root {
    --floating-bottom: 104px;
  }
  html {
    scroll-padding-bottom: calc(110px + env(safe-area-inset-bottom));
  }
  body,
  .js-ready body {
    padding-bottom: calc(110px + env(safe-area-inset-bottom));
  }
  .header-inner {
    min-height: 68px;
    padding-top: max(15px, env(safe-area-inset-top));
  }
  .header-inner,
  main,
  footer {
    padding-left: max(22px, env(safe-area-inset-left));
    padding-right: max(22px, env(safe-area-inset-right));
  }
  .main-nav {
    position: fixed;
    z-index: 30;
    left: max(12px, env(safe-area-inset-left));
    right: max(12px, env(safe-area-inset-right));
    bottom: calc(12px + env(safe-area-inset-bottom));
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: stretch;
    gap: 4px;
    width: auto;
    max-width: 480px;
    margin: 0 auto;
    padding: 8px;
    border: 1px solid rgb(255 255 255 / 80%);
    border-radius: 22px;
    background: rgb(255 255 255 / 72%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    backdrop-filter: blur(18px) saturate(140%);
    box-shadow:
      0 8px 32px #29292824,
      0 1px 4px #2929280d;
  }
  .main-nav a {
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    min-width: 0;
    min-height: 52px;
    padding: 6px 2px;
    border-radius: 14px;
    font-size: 11px;
    line-height: 1.3;
    text-align: center;
  }
  .main-nav .nav-icon {
    width: 20px;
    height: 20px;
  }
  .main-nav a:hover {
    background: rgb(234 232 229 / 65%);
  }
  .main-nav [aria-current] {
    color: var(--ink);
    background: rgb(176 236 156 / 65%);
  }
}
@media (max-width: 500px) {
  .header-inner,
  main,
  footer {
    padding-left: max(18px, env(safe-area-inset-left));
    padding-right: max(18px, env(safe-area-inset-right));
  }
}
@media (max-width: 360px) {
  .main-nav a {
    font-size: 10px;
  }
}
@media print {
  .share-rail,
  .share-floating,
  .share-dialog,
  .share-feedback,
  .back-to-top {
    display: none !important;
  }
  body,
  .js-ready body {
    padding-bottom: 0;
  }
  main {
    padding: 0;
  }
}

/* Educational reading: explanations remain visible without JavaScript. */
.glossary-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 28px 0;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--soft);
}
.glossary-entry h2 {
  margin: 6px 0;
  font-size: 25px;
}
.glossary-entry p {
  margin: 8px 0 0;
  color: var(--muted);
}
.glossary-entry > .text-link {
  flex-shrink: 0;
}
.glossary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.article-card h3,
.glossary-grid h3 {
  overflow-wrap: anywhere;
}
.glossary-grid h3 {
  font-size: 23px;
  margin: 12px 0;
}
.glossary-grid .eyebrow {
  overflow-wrap: anywhere;
}
.glossary-grid p {
  color: var(--muted);
  font-size: 15px;
}
.term-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0;
}
.term-links a {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--white);
}
.glossary-reading {
  align-items: start;
}
.term-comparison {
  margin: 28px 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
}
.term-comparison dl {
  margin: 0;
}
.term-comparison dl > div + div {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.term-comparison dt {
  font-weight: 700;
  margin-bottom: 6px;
}
.term-comparison dd {
  margin: 0;
}
.glossary-detail [id] {
  scroll-margin-top: 100px;
}
.glossary-aside > .text-link {
  display: block;
  margin-top: 16px;
}
.learning-goal,
.term-example {
  background: var(--soft);
  padding: 22px;
  border: 1px solid #d9e9d0;
  border-radius: 10px;
  margin-bottom: 24px;
}
.prose .learning-goal p {
  margin: 8px 0 0;
}
.learning-figure {
  margin: 26px 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
}
.learning-figure svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 600px;
  margin: auto;
}
.learning-figure figcaption {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.learning-figure figcaption strong {
  display: block;
  color: var(--ink);
  margin-bottom: 5px;
}
.article-terms {
  margin: 26px 0;
}
.article-terms h3 {
  font-size: 18px;
}
.article-terms > a {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.knowledge-check {
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 20px;
  margin: 28px 0;
  background: var(--paper);
}
.knowledge-check summary {
  cursor: pointer;
}
.knowledge-check summary strong,
.knowledge-check summary .meta {
  display: block;
  margin-top: 8px;
}
.knowledge-check summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
.knowledge-check p {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
@media (max-width: 900px) {
  .glossary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 600px) {
  .glossary-entry {
    display: block;
    padding: 22px;
  }
  .glossary-entry > .text-link {
    display: inline-block;
    margin-top: 14px;
  }
  .glossary-grid {
    grid-template-columns: 1fr;
  }
  .learning-figure {
    padding: 10px;
  }
  .learning-goal,
  .knowledge-check {
    padding: 18px;
  }
}

.material-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.material-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.material-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: auto;
}
.material-controls {
  margin: 24px 0;
}
.js-ready .material-controls,
.js-ready .material-compare {
  display: block;
}
.material-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0;
}
.material-compare {
  margin: 24px 0;
  background: var(--canvas);
}
.material-compare-row {
  border-top: 1px solid var(--line);
  padding: 12px 0;
}
.material-compare-values {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  overflow-wrap: anywhere;
}
.material-compare-values strong {
  color: var(--accent);
}
.material-detail {
  max-width: 820px;
}
[data-material-card][hidden],
[data-material-group][hidden],
#material-comparison[hidden] {
  display: none;
}
@media (max-width: 600px) {
  .material-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .material-compare-values {
    gap: 14px;
  }
}