:root {
  --bg: #f5f0e7;
  --bg-soft: rgba(255, 255, 255, 0.72);
  --surface: rgba(255, 255, 255, 0.86);
  --surface-strong: #fffdf8;
  --ink: #1e2733;
  --ink-soft: #556171;
  --line: rgba(30, 39, 51, 0.1);
  --accent: #1f6feb;
  --accent-strong: #0d4fb3;
  --shadow: 0 22px 52px rgba(24, 35, 46, 0.1);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --content-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(31, 111, 235, 0.18), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(240, 164, 75, 0.16), transparent 24%),
  --hero-blue: #4b6786;
  --hero-teal: #5d857d;
  --hero-gold: #b28a61;
    radial-gradient(circle at 80% 75%, rgba(31, 111, 235, 0.08), transparent 30%),
    linear-gradient(180deg, #faf7f0 0%, #f4efe6 100%);
}

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

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

code,
pre {
  font-family: "SFMono-Regular", "Menlo", "Monaco", monospace;
}

code {
  padding: 0.1em 0.38em;
  border-radius: 0.45em;
  background: rgba(31, 111, 235, 0.08);
  color: var(--accent-strong);
  font-size: 0.92em;
}

.page-shell {
  position: relative;
  overflow-x: hidden;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: fixed;
  width: 28rem;
  height: 28rem;
  border-radius: 999px;
  filter: blur(72px);
  pointer-events: none;
  opacity: 0.45;
}

.page-shell::before {
  top: -6rem;
  right: -8rem;
  background: rgba(31, 111, 235, 0.16);
}

.page-shell::after {
  bottom: -8rem;
  left: -8rem;
  background: rgba(240, 164, 75, 0.18);
}

.hero,
.section,
.site-footer {
  width: min(calc(100% - 40px), var(--content-width));
  margin: 0 auto;
}

.hero {
  padding: 18px 0 20px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 6px 0 18px;
}

.brand {
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  font-size: 1.34rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.topbar-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.topbar-links a:hover,
.contact-link:hover {
  color: var(--accent-strong);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
  gap: 22px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 18% 16%, rgba(93, 133, 125, 0.08), transparent 20%),
    radial-gradient(circle at 80% 12%, rgba(178, 138, 97, 0.1), transparent 22%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.76), rgba(246, 251, 248, 0.92) 46%, rgba(255, 249, 242, 0.92));
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--hero-teal);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-heading h2 {
  margin: 0;
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  line-height: 1.1;
}

.hero-title {
  display: inline-flex;
  flex-direction: column;
  gap: 0.08em;
  max-width: 12ch;
  font-size: clamp(1.95rem, 3.7vw, 3.25rem);
  font-family: "ZCOOL XiaoWei", "STKaiti", "Kaiti SC", serif;
  font-weight: 400;
  letter-spacing: 0.045em;
  line-height: 1.16;
  color: var(--hero-blue);
  text-wrap: balance;
}

.hero-title-line {
  display: block;
}

.hero-title-accent {
  position: relative;
  width: fit-content;
  padding-right: 0.12em;
  color: var(--hero-teal);
  transform: translateX(0.14em);
}

.hero-title-accent::after {
  content: "";
  position: absolute;
  left: 0.02em;
  right: -0.02em;
  bottom: 0.04em;
  height: 0.32em;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(93, 133, 125, 0.2), rgba(178, 138, 97, 0.18));
  z-index: -1;
}

.hero-text,
.section-heading p,
.feature-card p,
.config-card p,
.showcase-copy p,
.contact-copy p,
.panel-architecture li,
figcaption {
  color: var(--ink-soft);
  line-height: 1.75;
}

.hero-text {
  max-width: 34rem;
  margin: 16px 0 0;
  font-size: 0.99rem;
  color: #50606d;
}

.hero-slogan {
  margin: 10px 0 0;
  color: var(--accent-strong);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.hero-actions,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.94rem;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 16px 32px rgba(31, 111, 235, 0.22);
}

.button.secondary {
  border-color: rgba(31, 111, 235, 0.18);
  background: rgba(255, 255, 255, 0.78);
  color: var(--accent-strong);
}

.hero-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}

.panel-card,
.feature-card,
.config-card,
.showcase-card,
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 14px 36px rgba(24, 35, 46, 0.08);
}

.panel-card {
  padding: 20px;
}

.panel-title,
.config-label,
.contact-label,
.showcase-tag {
  margin: 0 0 8px;
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.panel-architecture ol {
  margin: 0;
  padding-left: 1.25rem;
}

.panel-architecture {
  margin-top: 18px;
}

.chip-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.chip-stack .chip-row {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
}

.chip-stack .chip-row span {
  padding: 6px 10px;
  border: 1px solid rgba(31, 111, 235, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.1;
  white-space: nowrap;
}

.chip-row span {
  padding: 8px 12px;
  border: 1px solid rgba(31, 111, 235, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.section {
  padding: 52px 0 0;
}

.section-alt {
  padding-top: 34px;
}

.section-heading {
  max-width: 56rem;
  margin-bottom: 22px;
}

.section-heading h2 {
  font-size: clamp(1.32rem, 2.5vw, 1.9rem);
}

.section-heading p {
  margin: 10px 0 0;
  font-size: 0.98rem;
}

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

.feature-card {
  padding: 20px;
}

.feature-card h3,
.config-card h3,
.showcase-copy h3,
.contact-copy h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
  line-height: 1.35;
}

pre {
  margin: 14px 0 0;
  padding: 16px;
  overflow-x: auto;
  border-radius: var(--radius-md);
  background: #17202b;
  color: #edf2f9;
  font-size: 0.88rem;
  line-height: 1.6;
}

.config-card {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 20px;
  margin-top: 8px;
  padding: 22px;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.showcase-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(252, 248, 241, 0.92));
}

.showcase-featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
}

.showcase-copy {
  padding: 20px 20px 10px;
}

.prompt-details {
  margin-top: 14px;
  border: 1px solid rgba(31, 111, 235, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.58);
}

.prompt-details summary {
  cursor: pointer;
  padding: 12px 14px;
  color: var(--accent-strong);
  font-size: 0.9rem;
  font-weight: 700;
  list-style: none;
}

.prompt-details summary::-webkit-details-marker {
  display: none;
}

.prompt-details summary::after {
  content: "+";
  float: right;
  font-size: 1rem;
}

.prompt-details[open] summary::after {
  content: "-";
}

.prompt-block {
  margin: 0;
  padding: 0 14px 14px;
  background: transparent;
  color: var(--ink);
  font-size: 0.82rem;
  line-height: 1.65;
  white-space: pre-wrap;
}

.showcase-featured .showcase-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px 22px;
}

.showcase-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.showcase-meta span {
  padding: 6px 10px;
  border: 1px solid rgba(31, 111, 235, 0.12);
  border-radius: 999px;
  background: rgba(31, 111, 235, 0.06);
  color: var(--accent-strong);
  font-size: 0.78rem;
  line-height: 1;
}

.showcase-card figure {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0 20px 20px;
}

.showcase-featured figure {
  padding: 18px 18px 18px 0;
}

.image-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  overflow: hidden;
  border: 1px solid rgba(30, 39, 51, 0.06);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(244, 240, 232, 0.8), rgba(255, 255, 255, 0.92));
}

.showcase-featured .image-link {
  min-height: 360px;
}

.showcase-card img {
  width: 100%;
  max-height: 320px;
  object-fit: contain;
}

.showcase-featured img {
  max-height: 430px;
}

figcaption {
  margin: 0;
  font-size: 0.88rem;
}

.contact-section {
  width: min(calc(100% - 40px), 860px);
  padding-bottom: 56px;
}

.section-heading.compact {
  max-width: 34rem;
}

.contact-card {
  display: grid;
  width: min(100%, 760px);
  margin: 0 auto;
  grid-template-columns: minmax(0, 1fr) 190px;
  gap: 18px;
  align-items: center;
  padding: 20px;
}

.contact-copy {
  max-width: 31rem;
}

.contact-link {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 1.08rem;
  font-weight: 700;
}

.qrcode-card {
  margin: 0;
  padding: 14px;
  text-align: center;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.96);
}

.qrcode-card img {
  width: 100%;
  aspect-ratio: 1;
}

.site-footer {
  margin-bottom: 28px;
  color: var(--ink-soft);
  font-size: 0.84rem;
  text-align: center;
}

@media (max-width: 1100px) {
  .hero-grid,
  .config-card,
  .contact-card,
  .showcase-featured {
    grid-template-columns: 1fr;
  }

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

  .showcase-featured figure {
    padding: 0 20px 20px;
  }
}

@media (max-width: 820px) {
  .showcase-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero,
  .section,
  .site-footer {
    width: min(calc(100% - 24px), var(--content-width));
  }

  .hero {
    padding-top: 18px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding-bottom: 16px;
  }

  .topbar-links {
    gap: 12px;
    justify-content: flex-start;
  }

  .chip-stack .chip-row {
    flex-wrap: wrap;
  }

  .hero-grid,
  .feature-card,
  .config-card,
  .showcase-copy,
  .showcase-card figure,
  .contact-card {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-grid {
    padding-top: 22px;
    padding-bottom: 22px;
  }

  .section {
    padding-top: 44px;
  }

  .hero-title {
    max-width: none;
    font-size: 1.78rem;
  }

  .hero-title-accent {
    transform: none;
  }

  .showcase-featured .showcase-copy {
    padding: 20px 18px 10px;
  }

  .showcase-featured figure {
    padding: 0 18px 18px;
  }

  .image-link {
    min-height: 200px;
  }

  .showcase-featured .image-link {
    min-height: 240px;
  }

  .contact-link {
    font-size: 1.08rem;
  }

  .site-footer {
    margin-bottom: 22px;
  }
}
}

html {
  scroll-behavior: smooth;
}

  min-height: 100%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(252, 248, 241, 0.92));
body {
  margin: 0;
.showcase-featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(31, 111, 235, 0.18), transparent 28%),
  padding: 20px 20px 10px;
}

.showcase-featured .showcase-copy {
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  justify-content: center;
    radial-gradient(circle at 80% 75%, rgba(31, 111, 235, 0.08), transparent 30%),
    linear-gradient(180deg, #faf7f0 0%, #f4efe6 100%);
}

img {
  display: block;

.showcase-featured figure {
  padding: 18px 18px 18px 0;
}

.showcase-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.showcase-meta span {
  padding: 6px 10px;
  border: 1px solid rgba(31, 111, 235, 0.12);
  border-radius: 999px;
  background: rgba(31, 111, 235, 0.06);
  color: var(--accent-strong);
  font-size: 0.78rem;
  line-height: 1;
  max-width: 100%;
}

  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(244, 240, 232, 0.8), rgba(255, 255, 255, 0.92));
  color: inherit;
  text-decoration: none;
}

  aspect-ratio: 16 / 10;

}

.showcase-card .image-link {
  min-height: 240px;
  border: 1px solid rgba(30, 39, 51, 0.06);
code {
  padding: 0.1em 0.38em;
.showcase-featured .image-link {
  min-height: 360px;
}

.showcase-featured img {
  aspect-ratio: auto;
  max-height: 430px;
  color: var(--accent-strong);
  font-size: 0.92em;
}

.page-shell {
  position: relative;
  overflow: hidden;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: fixed;
  inset: auto;
  width: 28rem;
  height: 28rem;
  border-radius: 999px;
  filter: blur(72px);
  pointer-events: none;
  opacity: 0.45;
}

.page-shell::before {
  top: -6rem;
  right: -8rem;
  background: rgba(31, 111, 235, 0.16);
}

.page-shell::after {
  bottom: -8rem;
  left: -8rem;
  background: rgba(240, 164, 75, 0.18);
}

.hero,
.section {
  width: min(calc(100% - 40px), var(--content-width));
  margin: 0 auto;
}

.hero {
  padding: 18px 0 18px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 6px 0 18px;
}

.brand {
  font-family: "Songti SC", "STSong", serif;
  font-size: 1.34rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.topbar-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.topbar-links a:hover,
.hero-links a:hover,
.contact-link:hover {
  color: var(--accent-strong);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 22px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.74), rgba(255, 250, 244, 0.9));
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-heading h2 {
  margin: 0;
  font-family: "Songti SC", "STSong", serif;
  line-height: 1.1;
}

.hero-title {
  max-width: 12ch;
  font-size: clamp(1.95rem, 3.7vw, 3.25rem);
}

.hero-text,
.section-heading p,
.feature-card p,
.step-card p,
.showcase-copy p,
.config-card p,
.contact-copy p,
figcaption,
li {
  color: var(--ink-soft);
  line-height: 1.75;
}

.hero-text {
  max-width: 34rem;
  margin: 16px 0 0;
  font-size: 0.99rem;
}

.hero-actions,
.hero-links,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 22px;
}

.hero-links {
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.94rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 16px 32px rgba(31, 111, 235, 0.22);
}

.button.secondary {
  border-color: rgba(31, 111, 235, 0.18);
  background: rgba(255, 255, 255, 0.78);
  color: var(--accent-strong);
}

.hero-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}

.panel-card,
.feature-card,
.step-card,
.config-card,
.deploy-card,
.showcase-card,
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 14px 36px rgba(24, 35, 46, 0.08);
}

.panel-card {
  padding: 20px;
}

.panel-title,
.config-label,
.contact-label,
.showcase-tag {
  margin: 0 0 8px;
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.panel-architecture ol {
  margin: 0;
  padding-left: 1.2rem;
}

.chip-row span {
  padding: 8px 12px;
  border: 1px solid rgba(31, 111, 235, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.section {
  padding: 52px 0 0;
}

.section-alt {
  padding-top: 34px;
}

.section-heading {
  max-width: 56rem;
  margin-bottom: 22px;
}

.section-heading h2 {
  font-size: clamp(1.32rem, 2.5vw, 1.9rem);
}

.section-heading p {
  margin: 10px 0 0;
  font-size: 0.98rem;
}

.feature-grid,
.steps-grid,
.showcase-grid {
  display: grid;
  gap: 18px;
}

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

.feature-card,
.step-card {
  padding: 20px;
}

.feature-card h3,
.step-card h3,
.showcase-copy h3,
.deploy-card h3,
.config-card h3,
.contact-copy h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
  line-height: 1.35;
}

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

.step-card {
  position: relative;
  overflow: hidden;
}

.step-card::after {
  content: "";
  position: absolute;
  right: -32px;
  top: -32px;
  width: 96px;
  height: 96px;
  border-radius: 999px;
  background: rgba(31, 111, 235, 0.08);
}

.step-index {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--accent-strong);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

pre {
  margin: 14px 0 0;
  padding: 16px;
  overflow-x: auto;
  border-radius: var(--radius-md);
  background: #17202b;
  color: #edf2f9;
  font-size: 0.88rem;
  line-height: 1.6;
}

.config-card {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 20px;
  margin-top: 8px;
  padding: 22px;
}

.deploy-card {
  margin-top: 18px;
  padding: 22px;
}

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

.showcase-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.showcase-wide {
  grid-column: span 2;
}

.showcase-copy {
  padding: 20px 20px 10px;
}

.showcase-card figure {
  margin: 0;
  padding: 0 20px 20px;
}

.image-link {
  display: block;
}

.showcase-card img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid rgba(30, 39, 51, 0.06);
  background: var(--surface-strong);
  max-height: 340px;
  object-fit: contain;
}

.showcase-wide img {
  max-height: 420px;
}

figcaption {
  margin-top: 8px;
  font-size: 0.9rem;
}

.contact-section {
  padding-bottom: 56px;
}

.section-heading.compact {
  max-width: 40rem;
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 20px;
  align-items: center;
  padding: 24px;
}

.contact-link {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 1.18rem;
  font-weight: 700;
}

.qrcode-card {
  margin: 0;
  padding: 18px;
  text-align: center;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.96);
}

.qrcode-card img {
  width: 100%;
  aspect-ratio: 1;
}

.site-footer {
  width: min(calc(100% - 40px), var(--content-width));
  margin: 0 auto 28px;
  color: var(--ink-soft);
  font-size: 0.84rem;
  text-align: center;
}

@media (max-width: 1100px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps-grid,
  .config-card,
  .contact-card,
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .showcase-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .showcase-featured {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .showcase-featured figure {
    padding: 0 20px 20px;
  }
}

@media (max-width: 640px) {
  .hero,
  .section {
    width: min(calc(100% - 24px), var(--content-width));
  }

  .hero {
    padding-top: 18px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar-links {
    gap: 12px;
    justify-content: flex-start;
  }

  .hero-grid,
  .feature-card,
  .step-card,
  .config-card,
  .deploy-card,
  .showcase-copy,
  .showcase-card figure,
  .contact-card {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-grid {
    padding-top: 24px;
    padding-bottom: 24px;
  }

  .section {
    padding-top: 44px;
  }

  .hero-title {
    max-width: none;
    font-size: 1.78rem;
  }

  .contact-link {
    font-size: 1.08rem;
  }

  .site-footer {
    width: min(calc(100% - 24px), var(--content-width));
    margin-bottom: 22px;
  }
}