:root {
  --bg: #f7f0e9;
  --surface: rgba(255, 251, 247, 0.86);
  --surface-strong: #fff8f2;
  --surface-deep: #241f1c;
  --text: #211d1b;
  --muted: #72645c;
  --line: rgba(62, 46, 40, 0.12);
  --brand: #df8e73;
  --brand-deep: #cb7c63;
  --brand-soft: rgba(223, 142, 115, 0.14);
  --accent: #7e9382;
  --shadow: 0 22px 50px rgba(80, 49, 35, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: min(1180px, calc(100% - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(223, 142, 115, 0.28), transparent 28%),
    radial-gradient(circle at top right, rgba(126, 147, 130, 0.14), transparent 24%),
    linear-gradient(180deg, #fbf5ef 0%, #f5ede6 100%);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.3;
  content: "";
}

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

p,
h1,
h2,
h3,
ul {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

.page-shell {
  width: var(--container);
  margin: 0 auto;
  padding: 24px 0 40px;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 22px;
  margin-bottom: 28px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  background: rgba(255, 248, 242, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 30px rgba(83, 57, 43, 0.08);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-copy h1 {
  font-family: "STZhongsong", "Songti SC", "Noto Serif SC", serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-eyebrow {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.32em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-nav a {
  position: relative;
  transition: color 180ms ease;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -6px;
  left: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
  content: "";
}

.site-nav a:hover {
  color: var(--text);
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.hero-section,
.content-section,
.intro-strip,
.site-footer {
  position: relative;
  z-index: 1;
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  gap: 28px;
  align-items: stretch;
  margin-bottom: 24px;
}

.hero-copy,
.hero-panel,
.intro-strip,
.about-card,
.capability-card,
.scene-card,
.value-quote,
.value-list,
.site-footer {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 44px;
  border-radius: var(--radius-xl);
}

.section-kicker,
.card-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-deep);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-kicker::before,
.card-label::before {
  width: 22px;
  height: 1px;
  background: currentColor;
  content: "";
}

.hero-copy h2,
.section-heading h2 {
  font-family: "STZhongsong", "Songti SC", "Noto Serif SC", serif;
  line-height: 1.14;
}

.hero-copy h2 {
  max-width: 11ch;
  margin-top: 18px;
  font-size: clamp(2.8rem, 5.2vw, 5rem);
}

.hero-text {
  max-width: 600px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 168px;
  padding: 15px 22px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  box-shadow: 0 14px 30px rgba(203, 124, 99, 0.3);
}

.button-secondary {
  border: 1px solid rgba(203, 124, 99, 0.18);
  background: rgba(255, 248, 242, 0.92);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.hero-metrics li {
  padding: 18px;
  border: 1px solid rgba(203, 124, 99, 0.14);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.4);
}

.hero-metrics strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.hero-metrics span {
  color: var(--muted);
  font-size: 0.88rem;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  padding: 34px;
  border-radius: var(--radius-xl);
}

.panel-glow {
  position: absolute;
  inset: auto -18% -12% auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(223, 142, 115, 0.24), transparent 68%);
}

.hero-logo-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 22px;
  margin-bottom: 22px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.74), rgba(255, 244, 236, 0.92));
}

.hero-logo-copy p,
.hero-logo-copy span {
  color: var(--muted);
}

.hero-logo-copy h3 {
  margin: 8px 0 6px;
  font-size: 1.45rem;
}

.hero-surface-grid {
  display: grid;
  gap: 16px;
}

.hero-surface-grid article {
  position: relative;
  padding: 22px;
  border: 1px solid rgba(62, 46, 40, 0.08);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.44);
}

.hero-surface-grid span,
.card-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  margin-bottom: 18px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--brand-deep);
  background: var(--brand-soft);
  font-size: 0.82rem;
  font-weight: 700;
}

.hero-surface-grid h3,
.capability-card h3,
.scene-card h3,
.about-card-main h3 {
  margin-bottom: 10px;
  font-size: 1.25rem;
}

.hero-surface-grid p,
.capability-card p,
.scene-card p,
.about-card p,
.value-list span {
  color: var(--muted);
  line-height: 1.8;
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 28px;
  color: #fff;
  background: linear-gradient(180deg, #e5967d 0%, #da886d 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 20px 32px rgba(176, 104, 82, 0.24);
}

.brand-mark-main {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-weight: 800;
  line-height: 1;
}

.brand-mark-small {
  width: 48px;
  height: 48px;
  border-radius: 14px;
}

.brand-mark-small .brand-mark-main {
  font-size: 1.8rem;
}

.brand-mark-tiny {
  width: 42px;
  height: 42px;
  border-radius: 12px;
}

.brand-mark-tiny .brand-mark-main {
  font-size: 1.55rem;
}

.brand-mark-large {
  width: 144px;
  height: 144px;
  border-radius: 28px;
}

.brand-mark-large .brand-mark-main {
  font-size: 5rem;
}

.intro-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  padding: 24px 28px;
  margin-bottom: 24px;
  border-radius: var(--radius-lg);
}

.intro-strip p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.content-section {
  margin-bottom: 24px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
  padding: 0 4px;
}

.section-heading h2 {
  max-width: 16ch;
  font-size: clamp(2rem, 3vw, 3rem);
}

.about-grid,
.capability-grid,
.value-grid {
  display: grid;
  gap: 18px;
}

.about-grid {
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
}

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

.about-card,
.capability-card,
.scene-card,
.value-quote,
.value-list {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.about-card-main {
  background:
    linear-gradient(135deg, rgba(223, 142, 115, 0.18), rgba(255, 255, 255, 0.7)),
    var(--surface);
}

.about-card ul {
  margin-top: 18px;
}

.about-card li {
  position: relative;
  padding: 12px 0 12px 18px;
  border-bottom: 1px solid rgba(62, 46, 40, 0.08);
  color: var(--muted);
}

.about-card li::before {
  position: absolute;
  top: 20px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
  content: "";
}

.capability-card {
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.capability-card:hover,
.scene-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 44px rgba(80, 49, 35, 0.16);
}

.scene-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.95fr 0.95fr;
  gap: 18px;
}

.scene-card-highlight {
  background:
    linear-gradient(160deg, rgba(126, 147, 130, 0.1), rgba(255, 248, 242, 0.88)),
    var(--surface);
}

.value-grid {
  grid-template-columns: 0.88fr 1.12fr;
}

.value-quote {
  display: flex;
  align-items: center;
  min-height: 100%;
  background:
    linear-gradient(135deg, rgba(223, 142, 115, 0.18), rgba(255, 255, 255, 0.6)),
    var(--surface);
}

.value-quote p {
  font-family: "STZhongsong", "Songti SC", "Noto Serif SC", serif;
  font-size: clamp(1.55rem, 2.2vw, 2.2rem);
  line-height: 1.5;
}

.value-list {
  display: grid;
  gap: 18px;
}

.value-list div {
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(62, 46, 40, 0.08);
}

.value-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.value-list strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.product-grid,
.contact-grid {
  display: grid;
  gap: 18px;
}

.product-grid {
  grid-template-columns: 1.2fr repeat(3, minmax(0, 1fr));
}

.product-card,
.contact-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.product-card-featured,
.contact-card-cta {
  background:
    linear-gradient(135deg, rgba(223, 142, 115, 0.18), rgba(255, 255, 255, 0.72)),
    var(--surface);
}

.product-card h3,
.contact-card h3 {
  margin: 10px 0 12px;
  font-size: 1.28rem;
}

.product-card p,
.contact-card p,
.contact-card li {
  color: var(--muted);
  line-height: 1.8;
}

.product-card ul,
.contact-card ul {
  margin-top: 18px;
}

.product-card li,
.contact-card li {
  position: relative;
  padding: 12px 0 12px 18px;
  border-bottom: 1px solid rgba(62, 46, 40, 0.08);
}

.product-card li:last-child,
.contact-card li:last-child {
  border-bottom: 0;
}

.product-card li::before,
.contact-card li::before {
  position: absolute;
  top: 20px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
  content: "";
}

.contact-grid {
  grid-template-columns: 1.15fr 0.85fr;
}

.contact-card .button {
  margin-top: 22px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 30px;
  border-radius: var(--radius-xl);
  color: rgba(255, 250, 246, 0.84);
  background:
    radial-gradient(circle at top left, rgba(223, 142, 115, 0.18), transparent 28%),
    linear-gradient(180deg, #2f2926 0%, #1f1a17 100%);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-brand strong {
  display: block;
  margin-bottom: 6px;
}

.footer-brand p,
.footer-note {
  color: rgba(255, 250, 246, 0.62);
}

@media (max-width: 1080px) {
  .hero-section,
  .about-grid,
  .capability-grid,
  .product-grid,
  .scene-layout,
  .value-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy h2,
  .section-heading h2 {
    max-width: none;
  }

  .site-footer,
  .section-heading {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 820px) {
  :root {
    --container: min(100% - 24px, 1000px);
  }

  .site-header {
    position: static;
    flex-direction: column;
    align-items: start;
    border-radius: 28px;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 14px 18px;
  }

  .hero-copy,
  .hero-panel,
  .about-card,
  .capability-card,
  .scene-card,
  .value-quote,
  .value-list,
  .site-footer {
    padding: 24px;
  }

  .hero-logo-card {
    flex-direction: column;
    align-items: start;
  }

  .hero-metrics,
  .intro-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .page-shell {
    padding-top: 12px;
  }

  .brand {
    align-items: start;
  }

  .brand-copy h1 {
    line-height: 1.5;
  }

  .hero-copy h2 {
    font-size: 2.4rem;
  }

  .button {
    width: 100%;
  }

  .brand-mark-large {
    width: 112px;
    height: 112px;
    border-radius: 24px;
  }

  .brand-mark-large .brand-mark-main {
    font-size: 4rem;
  }
}
