:root {
  --sky: #28a7f4;
  --sky-deep: #1265c8;
  --blue: #1c78e8;
  --blue-dark: #10376c;
  --aqua: #61d6ee;
  --leaf: #52c46b;
  --sun: #ffd34f;
  --fire: #ff7a45;
  --rose: #ff6f9a;
  --ink: #143052;
  --muted: #5a7293;
  --line: #d8e8fb;
  --surface: #ffffff;
  --surface-soft: #eef8ff;
  --shadow: 0 18px 44px rgba(23, 75, 135, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background:
    linear-gradient(180deg, #f5fcff 0%, #eef9ff 42%, #fff9e6 78%, #f7fcff 100%);
}

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

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 22px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 12px 0;
  background: rgba(247, 252, 255, 0.9);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  color: var(--blue-dark);
  font-weight: 1000;
}

.brand img {
  width: 42px;
  height: 42px;
  border: 3px solid #ffffff;
  border-radius: 50%;
  background: #dff6ff;
  object-fit: cover;
  box-shadow: 0 8px 16px rgba(18, 101, 200, 0.18);
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 22px;
  width: 100%;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 850;
}

.nav-links a {
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--blue);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  border-radius: 99px;
  background: var(--blue-dark);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 0;
  border-radius: 999px;
  font-weight: 950;
  white-space: nowrap;
}

.header-cta {
  padding: 0 18px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--sky-deep));
  box-shadow: 0 12px 24px rgba(18, 101, 200, 0.22);
}

.button {
  min-width: 152px;
  padding: 0 22px;
}

.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, #ff9b32, #ffbf28);
  box-shadow: 0 14px 26px rgba(255, 142, 42, 0.26), inset 0 -4px 0 rgba(168, 91, 0, 0.16);
}

.button-secondary {
  color: var(--blue-dark);
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: 0 10px 22px rgba(23, 75, 135, 0.1);
}

.hero {
  position: relative;
  display: grid;
  min-height: 720px;
  align-items: center;
  overflow: hidden;
  padding: 72px max(24px, calc((100vw - 1180px) / 2)) 64px;
  background: #aee7ff;
}

.hero-art {
  position: absolute;
  inset: 0;
}

.hero-art::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(247, 252, 255, 0.96) 0%, rgba(247, 252, 255, 0.82) 35%, rgba(247, 252, 255, 0.18) 66%, rgba(247, 252, 255, 0.06) 100%);
}

.hero-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 0.86rem;
  font-weight: 1000;
}

h1 {
  max-width: 680px;
  margin-bottom: 22px;
  color: var(--blue-dark);
  font-size: clamp(2.7rem, 5.6vw, 5.2rem);
  line-height: 1.04;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h1 span {
  display: block;
}

.hero-lede {
  max-width: 590px;
  margin-bottom: 28px;
  color: #315c87;
  font-size: 1.08rem;
  font-weight: 750;
  line-height: 1.9;
}

.hero-actions,
.category-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-bottom: 26px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 560px;
  margin: 0;
}

.hero-stats div,
.progress-card,
.mini-metrics div,
.sidebar-card,
.blog-toolbar,
.article-cta {
  border: 1px solid rgba(216, 232, 251, 0.95);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 26px rgba(23, 75, 135, 0.1);
}

.hero-stats div {
  padding: 16px;
}

.hero-stats dt {
  color: var(--blue-dark);
  font-size: 1.2rem;
  font-weight: 1000;
}

.hero-stats dd {
  margin: 4px 0 0;
  color: var(--muted);
  font-weight: 750;
}

.daily-panel {
  position: absolute;
  z-index: 3;
  right: max(24px, calc((100vw - 1180px) / 2));
  bottom: 46px;
  width: min(390px, calc(100% - 48px));
  padding: 22px;
  border: 4px solid #ffffff;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow), inset 0 -7px 0 rgba(98, 184, 240, 0.2);
}

.panel-header,
.report-score,
.post-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.panel-header {
  margin-bottom: 14px;
  color: var(--blue-dark);
  font-weight: 1000;
}

.panel-header strong {
  color: var(--fire);
}

.daily-panel h2 {
  margin: 0 0 8px;
  color: var(--blue-dark);
  font-size: 1.65rem;
}

.daily-panel p {
  color: var(--muted);
  line-height: 1.65;
  font-weight: 700;
}

.keyboard-demo {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
  margin: 16px 0;
}

.keyboard-demo span {
  display: grid;
  min-height: 42px;
  place-items: center;
  border: 1px solid #c6def7;
  border-radius: 8px;
  color: var(--blue-dark);
  background: linear-gradient(180deg, #ffffff, #e9f6ff);
  box-shadow: inset 0 -3px 0 #c9e3f8;
  font-weight: 1000;
}

meter {
  width: 100%;
  height: 12px;
}

.progress-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 14px;
  padding: 14px;
  color: var(--muted);
  font-weight: 850;
}

.progress-card meter {
  grid-column: 1 / -1;
}

.progress-card strong {
  color: var(--leaf);
}

.section,
.task-band,
.feature-section,
.final-cta {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 88px 0;
}

.task-band {
  margin-top: 20px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-heading h2,
.feature-copy h2,
.final-cta h2,
.blog-hero h1,
.article-hero h1 {
  margin-bottom: 14px;
  color: var(--blue-dark);
  font-size: clamp(2rem, 4.2vw, 3.8rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.section-heading p,
.feature-copy p,
.final-cta p {
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 720;
  line-height: 1.85;
}

.task-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.task-card {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 8px 16px;
  align-items: center;
  min-height: 128px;
  padding: 18px;
  border: 3px solid #ffffff;
  border-radius: 8px;
  color: var(--ink);
  background: #ffffff;
  box-shadow: var(--shadow);
  text-align: left;
}

.task-card.is-active {
  outline: 4px solid rgba(255, 211, 79, 0.72);
  background: linear-gradient(180deg, #ffffff, #fff8de);
}

.task-card img {
  grid-row: span 2;
  width: 82px;
  height: 82px;
  object-fit: contain;
  filter: drop-shadow(0 10px 14px rgba(23, 75, 135, 0.16));
}

.task-card span,
.task-card strong {
  min-width: 0;
}

.task-card span {
  color: var(--blue-dark);
  font-size: 1.24rem;
  font-weight: 1000;
}

.task-card strong {
  color: var(--fire);
}

.courses,
.collection,
.parent-section,
.blog-preview {
  border-top: 1px solid rgba(216, 232, 251, 0.8);
}

.course-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px;
}

.course-tabs {
  display: grid;
  gap: 12px;
  align-content: start;
}

.course-tab,
.filter-chip,
.category-pill,
.read-more {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--blue-dark);
  background: #ffffff;
  font-weight: 950;
}

.course-tab {
  min-height: 52px;
  padding: 0 20px;
  text-align: left;
}

.course-tab.is-active,
.filter-chip.is-active,
.category-pill.is-active {
  color: #ffffff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--blue), var(--sky-deep));
  box-shadow: 0 12px 24px rgba(18, 101, 200, 0.18);
}

.course-stage {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(380px, 1.1fr);
  gap: 28px;
  align-items: center;
  padding: 24px;
  border: 3px solid #ffffff;
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #eef8ff);
  box-shadow: var(--shadow);
}

.stage-kicker {
  margin-bottom: 10px;
  color: var(--fire);
  font-weight: 1000;
}

.course-stage h3 {
  margin-bottom: 12px;
  color: var(--blue-dark);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.course-stage p,
.course-stage li {
  color: var(--muted);
  line-height: 1.8;
  font-weight: 750;
}

.course-stage img {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 8px;
  object-fit: cover;
  object-position: center;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.filter-chip,
.category-pill {
  min-height: 38px;
  padding: 0 16px;
}

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

.elf-card {
  min-height: 100%;
  padding: 18px;
  border: 3px solid #ffffff;
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #f2fbff);
  box-shadow: var(--shadow), inset 0 -6px 0 rgba(98, 184, 240, 0.16);
}

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

.elf-card img {
  width: 120px;
  height: 120px;
  margin: 0 auto 10px;
  object-fit: contain;
  filter: drop-shadow(0 14px 18px rgba(23, 75, 135, 0.16));
}

.elf-card span,
.blog-card span,
.post-meta span,
.article-tag {
  display: inline-flex;
  width: max-content;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--blue);
  background: #e8f6ff;
  font-size: 0.86rem;
  font-weight: 1000;
}

.elf-card h3 {
  margin: 12px 0 8px;
  color: var(--blue-dark);
  font-size: 1.25rem;
}

.elf-card p,
.blog-card p,
.post-card p,
.article-sidebar p,
.related-list a {
  color: var(--muted);
  line-height: 1.72;
  font-weight: 720;
}

.feature-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1.15fr);
  gap: 38px;
  align-items: center;
}

.feature-section > img,
.report-layout > img {
  width: 100%;
  border: 3px solid #ffffff;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.mini-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.mini-metrics div {
  padding: 16px;
}

.mini-metrics strong {
  display: block;
  color: var(--blue-dark);
  font-size: 1.4rem;
}

.mini-metrics span {
  color: var(--muted);
  font-weight: 750;
}

.report-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  align-items: center;
}

.report-panel {
  padding: 22px;
  border: 3px solid #ffffff;
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #eef8ff);
  box-shadow: var(--shadow);
}

.report-panel label {
  display: grid;
  gap: 10px;
  margin: 18px 0;
  color: var(--blue-dark);
  font-weight: 950;
}

.report-panel input[type="range"] {
  width: 100%;
  accent-color: var(--leaf);
}

.report-score {
  align-items: flex-start;
  padding: 16px;
  border-radius: 8px;
  background: #ffffff;
}

.report-score strong {
  color: var(--leaf);
  font-size: 2rem;
}

.report-score span {
  color: var(--muted);
  font-weight: 750;
  line-height: 1.6;
}

.report-panel li {
  margin-bottom: 10px;
  color: var(--muted);
  line-height: 1.7;
  font-weight: 730;
}

.blog-card-grid,
.post-grid {
  display: grid;
  gap: 20px;
}

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

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

.blog-card,
.post-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
  border: 3px solid #ffffff;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.blog-card.featured {
  grid-column: span 1;
}

.blog-card img,
.post-card-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.blog-card span,
.blog-card h3,
.blog-card p,
.post-card-content {
  margin-left: 18px;
  margin-right: 18px;
}

.blog-card span {
  margin-top: 18px;
}

.blog-card h3,
.post-card h2,
.post-card h3 {
  color: var(--blue-dark);
  line-height: 1.25;
  font-weight: 1000;
}

.blog-card h3 {
  margin-bottom: 10px;
  font-size: 1.22rem;
}

.blog-card p {
  margin-bottom: 18px;
}

.final-cta {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  margin-bottom: 48px;
  padding: 28px;
  border: 4px solid #ffffff;
  border-radius: 8px;
  background: linear-gradient(135deg, #e8f7ff, #fff7d8);
  box-shadow: var(--shadow);
}

.final-cta img {
  width: 132px;
  height: 132px;
  object-fit: contain;
}

.blog-body {
  background:
    linear-gradient(180deg, rgba(190, 239, 255, 0.82) 0%, rgba(247, 252, 255, 0.96) 390px),
    #f7fcff;
}

.blog-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.blog-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(360px, 1.14fr);
  gap: 34px;
  align-items: center;
  padding: 72px 0 34px;
}

.blog-hero p,
.article-hero p {
  max-width: 680px;
  color: #315c87;
  font-size: 1.08rem;
  line-height: 1.86;
  font-weight: 750;
}

.blog-hero img {
  width: 100%;
  border: 4px solid #ffffff;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.blog-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 16px;
  align-items: center;
  margin-bottom: 24px;
  padding: 16px;
}

.blog-search {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 18px;
  color: var(--ink);
  background: #ffffff;
  font-weight: 760;
}

.post-grid {
  margin-bottom: 72px;
}

.post-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
}

.post-card-media {
  background: #dff6ff;
}

.post-card-media img {
  height: 100%;
  min-height: 240px;
}

.post-card-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px 0;
}

.post-meta {
  justify-content: flex-start;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 850;
}

.post-card h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
}

.post-card h3 {
  font-size: 1.35rem;
}

.read-more {
  width: max-content;
  min-height: 38px;
  margin-top: auto;
  padding: 0 16px;
}

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 80;
  width: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--sun), var(--fire));
}

.article-hero {
  padding: 58px 0 30px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--muted);
  font-weight: 850;
}

.breadcrumbs a {
  color: var(--blue);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) 280px;
  gap: 30px;
  align-items: start;
  padding-bottom: 74px;
}

.article-card {
  overflow: hidden;
  border: 4px solid #ffffff;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.article-cover {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
}

.article-content {
  padding: clamp(24px, 5vw, 44px);
}

.article-content h2 {
  margin: 34px 0 12px;
  color: var(--blue-dark);
  font-size: clamp(1.45rem, 3vw, 2.05rem);
  line-height: 1.25;
}

.article-content p,
.article-content li {
  color: #2d4f6c;
  font-size: 1.04rem;
  line-height: 2;
  font-weight: 690;
}

.article-content a {
  color: var(--blue);
  font-weight: 950;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.article-image {
  margin: 24px 0;
}

.article-image img {
  width: 100%;
  border: 3px solid #e0f4ff;
  border-radius: 8px;
  box-shadow: 0 16px 34px rgba(23, 75, 135, 0.12);
}

.article-content ul,
.article-content ol {
  padding-left: 1.2rem;
}

.article-sidebar {
  position: sticky;
  top: 86px;
  display: grid;
  gap: 16px;
}

.sidebar-card {
  padding: 18px;
}

.sidebar-card h2 {
  margin-bottom: 12px;
  color: var(--blue-dark);
  font-size: 1.08rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.toc-list,
.related-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc-list a {
  color: var(--muted);
  font-weight: 850;
}

.toc-list a.is-active {
  color: var(--fire);
}

.article-cta {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 16px;
  align-items: center;
  margin-top: 38px;
  padding: 18px;
}

.article-cta img {
  width: 86px;
  height: 86px;
  object-fit: contain;
}

.article-cta strong {
  color: var(--blue-dark);
  font-size: 1.18rem;
}

.article-cta .button {
  grid-column: 1 / -1;
}

.site-footer {
  display: flex;
  width: min(100% - 40px, 1180px);
  align-items: center;
  justify-content: center;
  gap: 10px 18px;
  margin: 64px auto 0;
  padding: 24px 0 30px;
  border-top: 1px solid rgba(49, 99, 146, 0.16);
  color: #63758a;
  font-size: 0.84rem;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: inherit;
  font-weight: 700;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 980px) {
  .site-header {
    gap: 12px;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 4px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #ffffff;
    box-shadow: var(--shadow);
  }

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

  .header-cta {
    display: none;
  }

  .hero {
    min-height: 840px;
    align-items: start;
  }

  .hero-art::after {
    background: linear-gradient(180deg, rgba(247, 252, 255, 0.96) 0%, rgba(247, 252, 255, 0.82) 45%, rgba(247, 252, 255, 0.16) 100%);
  }

  .daily-panel {
    left: 24px;
    right: auto;
  }

  .task-board,
  .course-layout,
  .course-stage,
  .feature-section,
  .report-layout,
  .blog-hero,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .course-stage img {
    min-width: 0;
  }

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

  .post-card.featured {
    grid-column: span 2;
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
  }
}

@media (max-width: 640px) {
  .site-header,
  .section,
  .task-band,
  .feature-section,
  .final-cta,
  .blog-shell {
    width: min(100% - 24px, 1180px);
  }

  .brand span {
    font-size: 0.95rem;
  }

  .hero {
    display: block;
    width: 100%;
    max-width: 100vw;
    min-height: auto;
    padding: 42px 16px 40px;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2.25rem, 10.8vw, 3.05rem);
    word-break: keep-all;
  }

  .hero-content {
    width: calc(100vw - 32px);
    max-width: calc(100vw - 32px);
  }

  .hero-stats {
    width: calc(100vw - 32px);
    max-width: calc(100vw - 32px);
  }

  .hero-lede,
  .section-heading p {
    overflow-wrap: anywhere;
    word-break: break-all;
  }

  .hero-stats,
  .task-board,
  .elf-grid,
  .blog-card-grid,
  .post-grid,
  .mini-metrics,
  .final-cta,
  .blog-toolbar {
    grid-template-columns: 1fr;
  }

  .daily-panel {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    width: calc(100vw - 32px);
    max-width: calc(100vw - 32px);
    margin-top: 22px;
    overflow: hidden;
  }

  .keyboard-demo {
    width: 280px;
    max-width: calc(100vw - 84px);
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .keyboard-demo span {
    min-width: 0;
  }

  .progress-card {
    width: 280px;
    max-width: calc(100vw - 84px);
  }

  .task-card {
    grid-template-columns: 72px 1fr;
  }

  .task-card img {
    width: 72px;
    height: 72px;
  }

  .course-stage {
    padding: 18px;
  }

  .feature-section > img,
  .report-layout > img {
    order: -1;
  }

  .post-card.featured {
    grid-column: auto;
  }

  .final-cta {
    text-align: center;
  }

  .final-cta img,
  .final-cta .button {
    justify-self: center;
  }

  .article-cta {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .article-cta img {
    margin: 0 auto;
  }

  .site-footer {
    width: calc(100% - 32px);
    flex-direction: column;
    gap: 8px;
    margin-top: 44px;
    padding: 20px 0 24px;
  }
}