:root {
  --bg: #f6f0e6;
  --bg-soft: rgba(255, 248, 238, 0.72);
  --ink: #171411;
  --muted: #5d544c;
  --line: rgba(23, 20, 17, 0.12);
  --panel: rgba(255, 252, 246, 0.68);
  --accent: #d24d28;
  --accent-deep: #8d2f1b;
  --accent-soft: rgba(210, 77, 40, 0.1);
  --gold: #c39c52;
  --shadow: 0 24px 80px rgba(62, 41, 20, 0.12);
  --radius-lg: 32px;
  --radius-md: 22px;
  --radius-sm: 16px;
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(210, 77, 40, 0.16), transparent 24%),
    radial-gradient(circle at 85% 12%, rgba(195, 156, 82, 0.18), transparent 18%),
    linear-gradient(180deg, #f6f0e6 0%, #efe6d8 100%);
  font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(23, 20, 17, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 20, 17, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.78), transparent 92%);
}

.page-shell {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
  padding-bottom: 44px;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 20px;
  padding: 16px 22px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  background: rgba(250, 245, 237, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 50px rgba(47, 29, 17, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(23, 20, 17, 0.15);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, #f08f62 100%);
  color: #fff9f2;
  font-family: "Cormorant Garamond", "STSong", serif;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-text strong {
  font-size: 0.98rem;
  font-weight: 800;
}

.brand-text em {
  color: var(--muted);
  font-size: 0.72rem;
  font-style: normal;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  position: relative;
  color: var(--muted);
  font-size: 0.95rem;
  text-decoration: none;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  transform: scaleX(0);
  transform-origin: center;
  background: var(--accent);
  transition: transform 180ms ease;
}

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

.section {
  padding: 56px 0;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 42px;
  align-items: center;
  min-height: calc(100vh - 140px);
  padding-top: 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-deep);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.footer-copy h2,
.about-panel h2 {
  margin: 0;
  font-family: "Cormorant Garamond", "Songti SC", serif;
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.hero h1 {
  max-width: 9.5em;
  font-size: clamp(3.4rem, 7vw, 6.6rem);
}

.hero-lead,
.section-heading,
.feature-card p,
.platform-card p,
.system-card p,
.toolkit-card p,
.process-step p,
.about-panel p,
.about-notes p,
.footer-copy p,
.footer-card p {
  color: var(--muted);
  line-height: 1.85;
}

.hero-lead {
  max-width: 42rem;
  margin: 24px 0 0;
  font-size: 1.04rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button-solid {
  background: linear-gradient(135deg, var(--ink) 0%, #473629 100%);
  box-shadow: 0 18px 34px rgba(23, 20, 17, 0.18);
  color: #fffaf3;
}

.button-outline {
  border-color: rgba(23, 20, 17, 0.16);
  background: rgba(255, 252, 246, 0.52);
  color: var(--ink);
}

.hero-panel {
  position: relative;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.44);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.75), rgba(255, 247, 238, 0.56)),
    linear-gradient(135deg, rgba(210, 77, 40, 0.05), rgba(195, 156, 82, 0.08));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-panel::before,
.hero-panel::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(8px);
}

.hero-panel::before {
  top: -70px;
  right: -20px;
  width: 180px;
  height: 180px;
  background: rgba(210, 77, 40, 0.16);
}

.hero-panel::after {
  bottom: -70px;
  left: -30px;
  width: 160px;
  height: 160px;
  background: rgba(195, 156, 82, 0.16);
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  position: relative;
  z-index: 1;
}

.signal-card {
  position: relative;
  padding: 18px;
  border: 1px solid rgba(23, 20, 17, 0.08);
  border-radius: var(--radius-md);
  background: var(--panel);
  backdrop-filter: blur(8px);
}

.signal-primary {
  margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(23, 20, 17, 0.96), rgba(71, 54, 41, 0.92));
  color: #fff7ee;
}

.signal-primary p,
.signal-primary .signal-label {
  color: rgba(255, 247, 238, 0.78);
}

.signal-label,
.metric p,
.system-card span,
.process-step span {
  display: inline-block;
  color: var(--accent-deep);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.signal-card strong,
.feature-card h3,
.platform-card h3,
.system-card h3,
.toolkit-card h3,
.process-step h3 {
  display: block;
  margin-top: 8px;
  font-size: 1.22rem;
}

.signal-card p,
.metric p,
.feature-card p,
.platform-card p,
.system-card p,
.toolkit-card p,
.process-step p,
.about-panel p,
.about-notes p,
.footer-copy p,
.footer-card p {
  margin-bottom: 0;
}

.accent-card {
  background: linear-gradient(135deg, rgba(210, 77, 40, 0.96), rgba(141, 47, 27, 0.96));
  color: #fff6f0;
}

.accent-card .signal-label,
.accent-card p {
  color: rgba(255, 246, 240, 0.76);
}

.hero-orbit {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-orbit span {
  position: absolute;
  border: 1px dashed rgba(23, 20, 17, 0.14);
  border-radius: 50%;
}

.hero-orbit span:nth-child(1) {
  top: 6%;
  right: 16%;
  width: 320px;
  height: 320px;
  animation: drift 14s linear infinite;
}

.hero-orbit span:nth-child(2) {
  bottom: 14%;
  left: -4%;
  width: 240px;
  height: 240px;
  animation: driftReverse 18s linear infinite;
}

.hero-orbit span:nth-child(3) {
  top: 20%;
  left: 35%;
  width: 88px;
  height: 88px;
  background: rgba(255, 255, 255, 0.22);
  border-style: solid;
}

.ticker {
  overflow: hidden;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.ticker-track {
  display: inline-flex;
  gap: 24px;
  min-width: max-content;
  animation: ticker 24s linear infinite;
}

.ticker-track span {
  position: relative;
  padding-right: 24px;
  color: var(--ink);
  font-size: 0.96rem;
  font-weight: 700;
}

.ticker-track span::after {
  content: "•";
  position: absolute;
  right: 6px;
  color: var(--accent);
}

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

.metric,
.feature-card,
.platform-card,
.system-card,
.toolkit-card,
.process-step,
.about-panel,
.about-notes,
.footer-card {
  border: 1px solid rgba(23, 20, 17, 0.08);
  background: rgba(255, 252, 247, 0.62);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.metric {
  padding: 26px;
  border-radius: var(--radius-md);
}

.metric-value {
  font-family: "Cormorant Garamond", "Songti SC", serif;
  font-size: clamp(3rem, 5vw, 4.6rem);
  font-weight: 700;
  line-height: 1;
}

.metric-unit {
  margin-left: 4px;
  color: var(--accent);
  font-size: 1.4rem;
  font-weight: 800;
}

.section-heading {
  display: flex;
  flex-direction: column;
  max-width: 52rem;
  margin-bottom: 28px;
}

.section-heading h2,
.footer-copy h2,
.about-panel h2 {
  font-size: clamp(2.5rem, 5vw, 4.4rem);
}

.business-layout {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  grid-column: span 4;
  padding: 26px;
  border-radius: var(--radius-md);
}

.feature-card-wide {
  grid-column: span 12;
  background:
    linear-gradient(135deg, rgba(210, 77, 40, 0.08), rgba(195, 156, 82, 0.12)),
    rgba(255, 252, 247, 0.74);
}

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

.platform-card,
.system-card,
.toolkit-card {
  min-height: 220px;
  padding: 26px;
  border-radius: var(--radius-md);
}

.platform-highlight,
.system-accent {
  background:
    linear-gradient(135deg, rgba(23, 20, 17, 0.92), rgba(71, 54, 41, 0.92)),
    rgba(255, 252, 247, 0.74);
  color: #fff7ee;
}

.platform-highlight p,
.system-accent p,
.system-accent span {
  color: rgba(255, 247, 238, 0.78);
}

.system-section {
  position: relative;
}

.system-section::before {
  content: "";
  position: absolute;
  inset: 16% 5% auto auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(210, 77, 40, 0.15), transparent 68%);
  filter: blur(10px);
}

.creative-tools-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.creative-tools-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 28px;
  align-items: start;
}

.creative-tools-layout .section-heading {
  position: sticky;
  top: 126px;
  margin-bottom: 0;
}

.creative-tools-layout .section-heading p:last-child {
  margin-top: 18px;
}

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

.toolkit-card span {
  display: inline-block;
  color: var(--accent-deep);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.toolkit-card-accent {
  background:
    linear-gradient(135deg, rgba(210, 77, 40, 0.92), rgba(141, 47, 27, 0.92)),
    rgba(255, 252, 247, 0.74);
  color: #fff7ee;
}

.toolkit-card-accent p,
.toolkit-card-accent span {
  color: rgba(255, 247, 238, 0.78);
}

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

.process-line::before {
  content: "";
  position: absolute;
  top: 32px;
  left: 8%;
  right: 8%;
  height: 1px;
  background:
    linear-gradient(90deg, rgba(23, 20, 17, 0.06), rgba(210, 77, 40, 0.34), rgba(23, 20, 17, 0.06));
}

.process-step {
  position: relative;
  padding: 72px 24px 24px;
  border-radius: var(--radius-md);
}

.process-step::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 24px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 8px rgba(210, 77, 40, 0.12);
}

.about-section {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
}

.about-panel,
.about-notes,
.footer-card {
  padding: 30px;
  border-radius: var(--radius-lg);
}

.about-notes {
  display: grid;
  align-content: center;
  gap: 18px;
  background:
    linear-gradient(135deg, rgba(195, 156, 82, 0.12), rgba(210, 77, 40, 0.08)),
    rgba(255, 252, 247, 0.74);
}

.about-notes strong,
.footer-card strong {
  display: inline-block;
  margin-bottom: 4px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: 18px;
  align-items: start;
  border-top: 1px solid var(--line);
}

.footer-copy {
  max-width: 42rem;
}

.footer-card {
  background:
    linear-gradient(135deg, rgba(23, 20, 17, 0.95), rgba(71, 54, 41, 0.9)),
    rgba(255, 252, 247, 0.74);
  color: #fff8f1;
}

.footer-card p {
  color: rgba(255, 248, 241, 0.82);
}

.footer-meta {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 10px;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-meta a {
  color: inherit;
  text-decoration: none;
}

.footer-meta a:hover,
.footer-meta a:focus-visible {
  color: var(--ink);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal-delay {
  transition-delay: 120ms;
}

.reveal-delay-2 {
  transition-delay: 220ms;
}

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

@keyframes drift {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes driftReverse {
  from {
    transform: rotate(360deg);
  }
  to {
    transform: rotate(0deg);
  }
}

@keyframes ticker {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 1080px) {
  .hero,
  .creative-tools-layout,
  .about-section,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .platform-grid,
  .system-board,
  .process-line {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .creative-tools-layout .section-heading {
    position: static;
  }

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

  .feature-card {
    grid-column: span 6;
  }

  .feature-card-wide {
    grid-column: span 12;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(calc(100% - 24px), var(--max-width));
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px;
    border-radius: 28px;
  }

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

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(2.8rem, 18vw, 4.3rem);
  }

  .signal-grid,
  .metrics,
  .platform-grid,
  .system-board,
  .toolkit-grid,
  .process-line {
    grid-template-columns: 1fr;
  }

  .business-layout {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .feature-card-wide {
    grid-column: auto;
  }

  .process-line::before {
    display: none;
  }

  .section,
  .site-footer {
    padding: 40px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}