:root {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #050508;
  color: rgba(255, 255, 255, 0.9);
  font-family: Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

body.showcase-body {
  overflow-x: hidden;
}

.showcase-shell {
  position: relative;
  min-height: 100vh;
  isolation: isolate;
  background:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px),
    radial-gradient(circle at 18% 12%, rgba(79,172,254,0.16), transparent 28%),
    radial-gradient(circle at 82% 18%, rgba(124,111,174,0.14), transparent 26%),
    radial-gradient(circle at 50% 88%, rgba(67,233,123,0.08), transparent 30%),
    linear-gradient(145deg, #050508 0%, #0b0b12 54%, #050508 100%);
  background-size: 48px 48px, 48px 48px, auto, auto, auto, auto;
}

.showcase-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    linear-gradient(90deg, transparent 0, rgba(255,255,255,0.04) 50%, transparent 100%),
    radial-gradient(ellipse at center, transparent 45%, rgba(0,0,0,0.48) 100%);
  opacity: 0.55;
}

.showcase-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 32px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: rgba(5, 5, 8, 0.78);
  backdrop-filter: blur(18px);
}

.showcase-brand {
  color: rgba(255,255,255,0.86);
  font-size: 14px;
  letter-spacing: 6px;
  text-decoration: none;
}

.showcase-nav {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}

.showcase-nav a,
.showcase-link {
  color: rgba(255,255,255,0.58);
  font-size: 12px;
  letter-spacing: 2px;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.showcase-nav a:hover,
.showcase-link:hover,
.showcase-nav a:focus-visible,
.showcase-link:focus-visible {
  color: #fff;
}

.showcase-page {
  width: min(1160px, calc(100% - 48px));
  margin: 0 auto;
  padding: 52px 0 80px;
}

.showcase-eyebrow {
  display: block;
  margin-bottom: 14px;
  color: rgba(255,255,255,0.42);
  font-size: 11px;
  letter-spacing: 5px;
  text-transform: uppercase;
}

.showcase-title {
  margin: 0;
  max-width: 860px;
  color: #fff;
  font-size: clamp(36px, 6vw, 76px);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: 0;
}

.showcase-copy {
  max-width: 680px;
  margin: 22px 0 0;
  color: rgba(255,255,255,0.62);
  font-size: 16px;
  line-height: 1.9;
}

.showcase-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.showcase-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 17px;
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: 10px;
  color: rgba(255,255,255,0.84);
  background: rgba(255,255,255,0.055);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.showcase-button:hover,
.showcase-button:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.showcase-button.primary {
  border-color: rgba(79,172,254,0.35);
  background: linear-gradient(135deg, rgba(79,172,254,0.22), rgba(124,111,174,0.14));
}

.showcase-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 32px;
  align-items: end;
  min-height: 330px;
  padding-bottom: 36px;
}

.showcase-stats {
  display: grid;
  gap: 10px;
}

.showcase-stat,
.showcase-panel,
.showcase-work-card,
.showcase-fact,
.showcase-node,
.showcase-principle {
  border: 1px solid rgba(255,255,255,0.08);
  background: linear-gradient(135deg, rgba(255,255,255,0.064), rgba(255,255,255,0.024));
  box-shadow: 0 24px 80px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255,255,255,0.08);
}

.showcase-stat {
  min-height: 82px;
  padding: 16px;
  border-radius: 14px;
}

.showcase-stat strong {
  display: block;
  color: #fff;
  font-size: 22px;
  font-weight: 400;
}

.showcase-stat span {
  color: rgba(255,255,255,0.5);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.showcase-work-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  gap: 22px;
  min-height: 290px;
  padding: 24px;
  border-radius: 16px;
  overflow: hidden;
}

.showcase-work-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background: linear-gradient(135deg, var(--work-accent), transparent 42%);
}

.showcase-work-main,
.showcase-preview {
  position: relative;
  z-index: 1;
}

.showcase-work-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 28px;
}

.showcase-index {
  color: rgba(255,255,255,0.34);
  font-size: 12px;
  letter-spacing: 3px;
}

.showcase-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  color: rgba(255,255,255,0.58);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.showcase-work-card h2,
.showcase-detail-title,
.showcase-section-title {
  margin: 0;
  color: #fff;
  font-weight: 300;
  letter-spacing: 0;
}

.showcase-work-card h2 {
  font-size: 28px;
}

.showcase-work-card p,
.showcase-fact p,
.showcase-principle p,
.showcase-node p,
.showcase-boundary li,
.showcase-step p {
  color: rgba(255,255,255,0.58);
  line-height: 1.75;
}

.showcase-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.showcase-tag {
  padding: 5px 8px;
  border-radius: 8px;
  color: rgba(255,255,255,0.62);
  background: rgba(255,255,255,0.055);
  font-size: 12px;
}

.showcase-preview {
  align-self: stretch;
  min-height: 188px;
  padding: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  background:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px),
    rgba(0,0,0,0.22);
  background-size: 22px 22px;
  overflow: hidden;
}

.showcase-preview-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  color: rgba(255,255,255,0.54);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.showcase-preview-line::after {
  content: "";
  flex: 0 0 48px;
  height: 4px;
  border-radius: 999px;
  background: var(--work-accent);
  opacity: 0.65;
}

.showcase-ribbon,
.showcase-footer-note,
.showcase-detail-hero,
.showcase-section {
  margin-top: 28px;
}

.showcase-ribbon {
  padding: 28px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.showcase-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
}

.showcase-flow span {
  flex: 1;
  padding: 12px 10px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  color: rgba(255,255,255,0.68);
  text-align: center;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: rgba(255,255,255,0.035);
}

.showcase-footer-note {
  color: rgba(255,255,255,0.38);
  font-size: 12px;
  line-height: 1.8;
}

.showcase-detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 34px;
  align-items: stretch;
  padding: 34px;
  border-radius: 18px;
}

.showcase-detail-title {
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1;
}

.showcase-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.showcase-fact,
.showcase-principle,
.showcase-node {
  padding: 18px;
  border-radius: 14px;
}

.showcase-fact span,
.showcase-step span {
  color: rgba(255,255,255,0.36);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.showcase-fact strong {
  display: block;
  margin-top: 10px;
  color: #fff;
  font-size: 16px;
  font-weight: 400;
}

.showcase-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.showcase-step {
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  background: rgba(255,255,255,0.032);
}

.showcase-boundary {
  margin: 16px 0 0;
  padding-left: 20px;
}

.showcase-related {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.showcase-related a {
  display: block;
  padding: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  color: rgba(255,255,255,0.72);
  background: rgba(255,255,255,0.03);
  text-decoration: none;
}

.showcase-related a:hover,
.showcase-related a:focus-visible {
  color: #fff;
  border-color: rgba(255,255,255,0.22);
}

.system-map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.system-center {
  grid-column: 1 / -1;
  padding: 22px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, rgba(79,172,254,0.14), rgba(124,111,174,0.12));
}

.system-principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.showcase-accent-cyan { --work-accent: #4facfe; }
.showcase-accent-green { --work-accent: #43e97b; }
.showcase-accent-rose { --work-accent: #fa709a; }
.showcase-accent-amber { --work-accent: #d8a24a; }

@media (max-width: 900px) {
  .showcase-intro,
  .showcase-detail-hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .works-grid,
  .showcase-facts,
  .showcase-steps,
  .showcase-related,
  .system-map,
  .system-principles {
    grid-template-columns: 1fr;
  }

  .showcase-work-card {
    grid-template-columns: 1fr;
  }

  .showcase-flow {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .showcase-topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }

  .showcase-page {
    width: min(100% - 28px, 1160px);
    padding: 32px 0 56px;
  }

  .showcase-title,
  .showcase-detail-title {
    font-size: 38px;
  }

  .showcase-detail-hero,
  .showcase-work-card {
    padding: 18px;
  }

  .showcase-actions {
    flex-direction: column;
  }

  .showcase-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-showcase-page] *,
  [data-showcase-page] *::before,
  [data-showcase-page] *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}