* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Noto Sans SC", sans-serif;
  color: #0f172a;
  background: #ffffff;
  line-height: 1.8;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
code {
  font-family: "JetBrains Mono", Consolas, "SFMono-Regular", monospace;
  background: rgba(15, 23, 42, 0.06);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.95em;
  word-break: break-word;
}
.container {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: saturate(140%) blur(10px);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid transparent;
  transition: all 0.25s ease;
}
.nav.scrolled {
  border-bottom-color: rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}
.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: radial-gradient(120% 120% at 50% 0%, #818cf8 0%, #4f46e5 70%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 10px 40px -20px #4f46e5;
}
.logo-mark span {
  font-size: 18px;
  line-height: 1;
}
.logo-text {
  font-size: 18px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 22px);
}
.nav-links a {
  color: #475569;
  font-size: 14.5px;
  font-weight: 500;
  padding: 8px 2px;
  position: relative;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, #4f46e5, transparent);
  transform: scaleX(0);
  opacity: 0.8;
  transition: all 0.25s ease;
}
.nav-links a:hover,
.nav-links a.active {
  color: #0f172a;
}
.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}
@media (max-width: 1080px) {
  .nav-links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px 20px;
    gap: 4px;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.25s ease;
    box-shadow: 0 20px 60px -30px rgba(15, 23, 42, 0.4);
    max-height: calc(100vh - 72px);
    overflow-y: auto;
  }
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a {
    width: 100%;
    padding: 10px 6px;
    font-size: 15px;
  }
}
.nav-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-shrink: 0;
}
@media (max-width: 768px) {
  .nav-actions .btn-ghost {
    display: none;
  }
}
@media (max-width: 420px) {
  .nav-actions .btn {
    padding: 0 12px;
    font-size: 13.5px;
  }
}
.nav-toggle {
  display: none;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #ffffff;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #0f172a;
  font-size: 18px;
}
@media (max-width: 1080px) {
  .nav-toggle {
    display: flex;
  }
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14.5px;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  white-space: nowrap;
  cursor: pointer;
  font-family: inherit;
}
.btn i {
  font-size: 1.05em;
}
.btn:active {
  transform: scale(0.995);
}
.btn-lg {
  height: 48px;
  padding: 0 22px;
  font-size: 15px;
  border-radius: 14px;
}
.btn-primary {
  color: #fff;
  background: radial-gradient(120% 120% at 50% 0%, #818cf8 0%, #4f46e5 70%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 10px 40px -20px #4f46e5;
}
.btn-primary:hover {
  filter: brightness(1.03);
  transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 14px 50px -20px #4f46e5;
}
.btn-ghost {
  color: #0f172a;
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  background: #fff;
  transform: translateY(-1px);
}
.btn-white {
  color: #4f46e5;
  background: #fff;
}
.btn-white:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 50px -20px rgba(255, 255, 255, 0.6);
}
.hero {
  padding: clamp(96px, 12vw, 160px) 0 clamp(48px, 6vw, 88px);
  background: radial-gradient(1200px 800px at 50% 0%, rgba(99, 102, 241, 0.08) 0%, rgba(255, 255, 255, 0) 70%), radial-gradient(800px 600px at 80% 10%, rgba(14, 165, 233, 0.06) 0%, rgba(255, 255, 255, 0) 70%), linear-gradient(180deg, #ffffff 0%, #fbfbff 60%, #ffffff 100%);
  overflow: clip;
}
.hero-inner {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: center;
  gap: clamp(40px, 6vw, 80px);
}
@media (max-width: 992px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
}
.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(20px, 3vw, 28px);
}
@media (max-width: 992px) {
  .hero-content {
    align-items: center;
    text-align: center;
  }
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #4f46e5;
  background: rgba(79, 70, 229, 0.08);
  border: 1px solid rgba(79, 70, 229, 0.15);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}
.badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4f46e5;
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.15);
}
.hero-title {
  font-size: clamp(34px, 5.2vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.04em;
  font-weight: 800;
}
.gradient {
  background: linear-gradient(90deg, #4f46e5 0%, #818cf8 40%, #0ea5e9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-subtitle {
  color: #475569;
  font-size: clamp(15.5px, 2.2vw, 18px);
  max-width: 660px;
  line-height: 1.95;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
@media (max-width: 992px) {
  .hero-actions {
    justify-content: center;
  }
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
@media (max-width: 992px) {
  .hero-tags {
    justify-content: center;
  }
}
.tag {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12.5px;
  color: #475569;
  background: rgba(15, 23, 42, 0.04);
  border: 1px solid rgba(15, 23, 42, 0.08);
}
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}
.mockup {
  position: relative;
  width: min(100%, 580px);
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 20px;
  box-shadow: 0 40px 80px -30px rgba(79, 70, 229, 0.25);
  overflow: hidden;
  transform: perspective(1200px) rotateY(-5deg);
  transition: all 0.25s ease;
}
.mockup:hover {
  transform: perspective(1200px) rotateY(-3deg) translateY(-4px);
}
@media (max-width: 992px) {
  .mockup {
    transform: none;
  }
  .mockup:hover {
    transform: translateY(-2px);
  }
}
.mockup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 16px;
  background: linear-gradient(180deg, #ffffff 0%, #f8f9ff 100%);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot.red {
  background: #ff5f56;
}
.dot.yellow {
  background: #ffbd2e;
}
.dot.green {
  background: #27c93f;
}
.mockup-title {
  margin-left: 8px;
  font-size: 12px;
  color: #64748b;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mockup-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(14px, 2vw, 18px);
  background: radial-gradient(600px 400px at 50% 0%, rgba(99, 102, 241, 0.04) 0%, rgba(255, 255, 255, 0) 70%), #ffffff;
}
.pillars-preview {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pillar-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 12.5px;
  font-weight: 600;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8f9ff;
  color: #4f46e5;
}
.pillar-pill.handler {
  color: #0369a1;
  background: rgba(14, 165, 233, 0.08);
  border-color: rgba(14, 165, 233, 0.25);
}
.pillar-pill .pillar-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.hosts-preview {
  padding: 10px;
  border: 1px dashed rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
}
.hosts-label {
  font-size: 11.5px;
  font-weight: 600;
  color: #64748b;
  margin-bottom: 8px;
}
.hosts-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.host-chip {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  color: #0369a1;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.25);
}
.arch-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 10px;
  border: 1px dashed rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
}
.arch-layer {
  width: 100%;
  min-height: 32px;
  padding: 6px 10px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11.5px;
  font-weight: 600;
  text-align: center;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8f9ff;
}
.arch-layer.handler {
  color: #0369a1;
  background: rgba(14, 165, 233, 0.08);
  border-color: rgba(14, 165, 233, 0.25);
}
.arch-line {
  width: 1px;
  height: 8px;
  background: rgba(15, 23, 42, 0.18);
}
.glow {
  position: absolute;
  inset: -20% -10% -10% -10%;
  background: radial-gradient(600px 400px at 50% 20%, rgba(99, 102, 241, 0.18) 0%, rgba(99, 102, 241, 0) 70%);
  filter: blur(40px);
  pointer-events: none;
  z-index: -1;
}
.section {
  padding: clamp(64px, 8vw, 120px) 0;
}
.section-alt {
  background: #f5f7fa;
}
.section-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: clamp(12px, 2vw, 18px);
  margin-bottom: clamp(40px, 6vw, 64px);
}
.section-header h2 {
  font-size: clamp(28px, 4.6vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.04em;
  font-weight: 800;
}
.section-header p {
  color: #475569;
  max-width: 840px;
  font-size: clamp(15px, 2.2vw, 17.5px);
  line-height: 1.95;
}
.grid > *,
.pillars-grid > *,
.evolution-grid > *,
.compare > *,
.hosts-grid > *,
.attrs-grid > *,
.event-flow > *,
.steps > *,
.usecases > *,
.ecosystem-grid > *,
.arch-row > *,
.hero-inner > *,
.footer-inner > *,
.footer-links > * {
  min-width: 0;
}
.card,
.compare-item,
.evo-card,
.pillar-card,
.host-card,
.attr-item,
.flow-step,
.step,
.usecase,
.eco-card,
.arch-node,
.footer-col {
  overflow-wrap: break-word;
}
.grid {
  display: grid;
  gap: clamp(18px, 2.5vw, 24px);
}
.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}
.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 1080px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }
}
.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}
@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}
.card {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  box-shadow: 0 1px 2px -1px rgba(15, 23, 42, 0.08), 0 1px 3px -1px rgba(15, 23, 42, 0.1);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 2vw, 14px);
  padding: clamp(20px, 2.5vw, 28px);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.15);
  border-color: rgba(79, 70, 229, 0.15);
}
.card h3 {
  font-size: clamp(17px, 2vw, 20px);
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.card p {
  color: #475569;
  line-height: 1.95;
}
.card.highlight {
  border-color: rgba(79, 70, 229, 0.25);
  box-shadow: 0 20px 60px -30px rgba(79, 70, 229, 0.35);
}
.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: radial-gradient(120% 120% at 50% 0%, #818cf8 0%, #4f46e5 70%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 10px 40px -20px #4f46e5;
  flex-shrink: 0;
}
.card-icon i {
  font-size: 20px;
}
.card-icon.handler {
  background: radial-gradient(120% 120% at 50% 0%, #38bdf8 0%, #0ea5e9 70%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 10px 40px -20px #0ea5e9;
}
.feature-card {
  min-height: 230px;
}
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 3vw, 28px);
}
@media (max-width: 880px) {
  .pillars-grid {
    grid-template-columns: 1fr;
  }
}
.pillar-card {
  gap: clamp(16px, 2vw, 20px);
  padding: clamp(24px, 3vw, 32px);
}
.pillar-card.dto {
  background: radial-gradient(600px 400px at 50% 0%, rgba(99, 102, 241, 0.05) 0%, rgba(255, 255, 255, 0) 70%), #ffffff;
}
.pillar-card.handler {
  background: radial-gradient(600px 400px at 50% 0%, rgba(14, 165, 233, 0.05) 0%, rgba(255, 255, 255, 0) 70%), #ffffff;
  border-color: rgba(14, 165, 233, 0.25);
}
.pillar-header {
  display: flex;
  align-items: flex-start;
  gap: clamp(14px, 2vw, 16px);
}
.pillar-title {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.pillar-title h3 {
  font-size: clamp(20px, 2.4vw, 24px);
  letter-spacing: -0.02em;
}
.pillar-tag {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: #4f46e5;
  background: rgba(79, 70, 229, 0.1);
  border: 1px solid rgba(79, 70, 229, 0.25);
}
.pillar-tag.handler {
  color: #0369a1;
  background: rgba(14, 165, 233, 0.1);
  border-color: rgba(14, 165, 233, 0.3);
}
.pillar-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
  color: #475569;
}
.pillar-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.95;
}
.pillar-list li i {
  color: #22c55e;
  margin-top: 5px;
  flex-shrink: 0;
}
.evolution-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: clamp(16px, 3vw, 24px);
}
@media (max-width: 880px) {
  .evolution-grid {
    grid-template-columns: 1fr;
  }
}
.evo-card {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  box-shadow: 0 1px 2px -1px rgba(15, 23, 42, 0.08), 0 1px 3px -1px rgba(15, 23, 42, 0.1);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 2vw, 16px);
  padding: clamp(20px, 3vw, 28px);
}
.evo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.15);
  border-color: rgba(79, 70, 229, 0.15);
}
.evo-card h3 {
  font-size: clamp(18px, 2vw, 21px);
  letter-spacing: -0.02em;
}
.evo-card p {
  color: #475569;
  line-height: 1.95;
}
.evo-card.form {
  background: linear-gradient(180deg, #ffffff 0%, #f8f9ff 100%);
}
.evo-card.apeart {
  background: radial-gradient(600px 400px at 50% 0%, rgba(14, 165, 233, 0.06) 0%, rgba(255, 255, 255, 0) 70%), #ffffff;
  border-color: rgba(14, 165, 233, 0.3);
  box-shadow: 0 20px 60px -30px rgba(14, 165, 233, 0.35);
}
.evo-badge {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  color: #4f46e5;
  background: rgba(79, 70, 229, 0.1);
  border: 1px solid rgba(79, 70, 229, 0.25);
}
.evo-badge.apeart {
  color: #0369a1;
  background: rgba(14, 165, 233, 0.12);
  border-color: rgba(14, 165, 233, 0.35);
}
.evo-focus {
  margin-top: auto;
  font-size: 13.5px;
  color: #64748b;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.04);
  border: 1px solid rgba(15, 23, 42, 0.08);
}
.evo-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748b;
  font-size: 26px;
}
@media (max-width: 880px) {
  .evo-arrow {
    transform: rotate(90deg);
  }
}
.compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: clamp(16px, 3vw, 24px);
}
@media (max-width: 880px) {
  .compare {
    grid-template-columns: 1fr;
  }
}
.compare-item {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  box-shadow: 0 1px 2px -1px rgba(15, 23, 42, 0.08), 0 1px 3px -1px rgba(15, 23, 42, 0.1);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2vw, 18px);
  padding: clamp(20px, 3vw, 28px);
  background: #fff;
}
.compare-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.15);
  border-color: rgba(79, 70, 229, 0.15);
}
.compare-item h3 {
  font-size: clamp(18px, 2vw, 20px);
  letter-spacing: -0.02em;
}
.compare-item ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
  color: #475569;
}
.compare-item ul li {
  padding-left: 20px;
  position: relative;
  line-height: 1.95;
}
.compare-item ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.25);
}
.compare-item.highlight {
  border-color: rgba(79, 70, 229, 0.25);
  box-shadow: 0 20px 60px -30px rgba(79, 70, 229, 0.4);
  background: radial-gradient(600px 400px at 50% 0%, rgba(99, 102, 241, 0.06) 0%, rgba(255, 255, 255, 0) 70%), #ffffff;
}
.compare-item.highlight h3 {
  color: #4f46e5;
}
.compare-item.highlight li::before {
  background: #4f46e5;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}
.compare-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #4f46e5;
  font-size: 28px;
}
@media (max-width: 880px) {
  .compare-arrow {
    transform: rotate(90deg);
  }
}
.arch-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(32px, 5vw, 48px);
}
.arch-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(12px, 2vw, 16px);
  width: min(100%, 780px);
}
.arch-node {
  width: 100%;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  box-shadow: 0 1px 2px -1px rgba(15, 23, 42, 0.08), 0 1px 3px -1px rgba(15, 23, 42, 0.1);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: clamp(6px, 1.5vw, 8px);
  padding: clamp(18px, 2.5vw, 24px);
}
.arch-node:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.15);
  border-color: rgba(79, 70, 229, 0.15);
}
.arch-node.handler {
  background: radial-gradient(600px 400px at 50% 0%, rgba(14, 165, 233, 0.08) 0%, rgba(255, 255, 255, 0) 70%), #ffffff;
  border-color: rgba(14, 165, 233, 0.3);
}
.arch-title {
  font-weight: 700;
  font-size: clamp(16px, 2vw, 18px);
  letter-spacing: -0.02em;
}
.arch-desc {
  color: #0f172a;
  max-width: 620px;
  font-weight: 500;
}
.arch-sub {
  color: #475569;
  font-size: 14px;
}
.arch-arrow {
  color: #64748b;
  font-size: 24px;
}
.arch-note {
  margin-top: 4px;
  font-size: 13.5px;
  color: #64748b;
  text-align: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.04);
  border: 1px solid rgba(15, 23, 42, 0.08);
}
.arch-table {
  width: 100%;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 1px 2px -1px rgba(15, 23, 42, 0.08), 0 1px 3px -1px rgba(15, 23, 42, 0.1);
  background: #fff;
}
.arch-row {
  display: grid;
  grid-template-columns: 1.1fr repeat(3, 1.8fr);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}
.arch-row:last-child {
  border-bottom: none;
}
.arch-row.head {
  background: #f8f9ff;
  font-weight: 700;
  font-size: 13.5px;
  color: #64748b;
}
.arch-row > div {
  padding: clamp(10px, 2vw, 14px) clamp(12px, 2vw, 16px);
  border-right: 1px solid rgba(15, 23, 42, 0.08);
  line-height: 1.9;
}
.arch-row > div:last-child {
  border-right: none;
}
@media (max-width: 880px) {
  .arch-row {
    grid-template-columns: 1fr;
  }
  .arch-row > div {
    border-right: none;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  }
  .arch-row > div:last-child {
    border-bottom: none;
  }
  .arch-row.head {
    display: none;
  }
}
.hosts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.5vw, 22px);
}
@media (max-width: 992px) {
  .hosts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .hosts-grid {
    grid-template-columns: 1fr;
  }
}
.host-card {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  box-shadow: 0 1px 2px -1px rgba(15, 23, 42, 0.08), 0 1px 3px -1px rgba(15, 23, 42, 0.1);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: clamp(18px, 2.5vw, 24px);
  background: radial-gradient(500px 300px at 50% 0%, rgba(14, 165, 233, 0.05) 0%, rgba(255, 255, 255, 0) 70%), #ffffff;
}
.host-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.15);
  border-color: rgba(79, 70, 229, 0.15);
}
.host-card:hover {
  border-color: rgba(14, 165, 233, 0.3);
}
.host-icon {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: radial-gradient(120% 120% at 50% 0%, #38bdf8 0%, #0ea5e9 70%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 10px 40px -20px #0ea5e9;
}
.host-icon i {
  font-size: 19px;
}
.host-name {
  font-size: clamp(16px, 2vw, 18px);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-family: "JetBrains Mono", monospace;
  color: #0369a1;
}
.host-desc {
  color: #475569;
  font-size: 14.5px;
  line-height: 1.9;
}
.hosts-quote {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  max-width: 860px;
  margin: clamp(28px, 4vw, 40px) auto 0;
  padding: clamp(16px, 2.5vw, 22px) clamp(18px, 3vw, 26px);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 1px 2px -1px rgba(15, 23, 42, 0.08), 0 1px 3px -1px rgba(15, 23, 42, 0.1);
}
.hosts-quote i {
  font-size: 22px;
  color: #0ea5e9;
  opacity: 0.6;
  line-height: 1.4;
}
.hosts-quote p {
  color: #475569;
  font-size: clamp(14.5px, 2vw, 16.5px);
  line-height: 1.9;
}
.attr-toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(24px, 3.5vw, 34px);
  flex-wrap: wrap;
}
.attr-search {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 240px;
  max-width: 460px;
  height: 44px;
  padding: 0 12px;
  gap: 8px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 1px 2px -1px rgba(15, 23, 42, 0.08), 0 1px 3px -1px rgba(15, 23, 42, 0.1);
  transition: all 0.25s ease;
}
.attr-search:focus-within {
  border-color: rgba(79, 70, 229, 0.4);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.08);
}
.attr-search > i {
  color: #64748b;
  font-size: 15px;
  flex-shrink: 0;
}
.attr-search input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 14.5px;
  color: #0f172a;
}
.attr-search input::placeholder {
  color: #64748b;
}
.attr-clear {
  border: none;
  background: transparent;
  color: #64748b;
  cursor: pointer;
  font-size: 13px;
  padding: 4px;
  border-radius: 6px;
  display: none;
  transition: all 0.25s ease;
}
.attr-clear:hover {
  color: #0f172a;
  background: rgba(15, 23, 42, 0.06);
}
.attr-clear.show {
  display: inline-flex;
}
.attr-count {
  font-size: 13.5px;
  color: #64748b;
}
.attr-count span {
  font-weight: 700;
  color: #4f46e5;
}
.attr-group {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2vw, 18px);
  margin-bottom: clamp(26px, 3.5vw, 38px);
}
.attr-group[hidden] {
  display: none;
}
.attr-group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(16px, 2vw, 18px);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.attr-group-title i {
  color: #4f46e5;
}
.attrs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(10px, 1.8vw, 14px);
}
@media (max-width: 1080px) {
  .attrs-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 780px) {
  .attrs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .attrs-grid {
    grid-template-columns: 1fr;
  }
}
.attr-item {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  box-shadow: 0 1px 2px -1px rgba(15, 23, 42, 0.08), 0 1px 3px -1px rgba(15, 23, 42, 0.1);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: clamp(12px, 2vw, 15px);
}
.attr-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.15);
  border-color: rgba(79, 70, 229, 0.15);
}
.attr-item[hidden] {
  display: none;
}
.attr-name {
  font-weight: 700;
  font-family: "JetBrains Mono", monospace;
  font-size: 13.5px;
  letter-spacing: -0.01em;
  color: #4338ca;
}
.attr-desc {
  color: #475569;
  font-size: 13.8px;
  line-height: 1.85;
}
.attr-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: clamp(32px, 5vw, 56px) 0;
  color: #64748b;
}
.attr-empty[hidden] {
  display: none;
}
.attr-empty i {
  font-size: 28px;
  opacity: 0.5;
}
.attr-empty p {
  font-size: 15px;
}
.attr-more {
  text-align: center;
  color: #475569;
}
.attr-more a {
  color: #4f46e5;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.attr-more a:hover {
  text-decoration: underline;
}
.event-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: clamp(10px, 1.8vw, 14px);
  margin-top: clamp(28px, 4vw, 40px);
}
@media (max-width: 992px) {
  .event-flow {
    grid-template-columns: 1fr;
  }
}
.flow-step {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  box-shadow: 0 1px 2px -1px rgba(15, 23, 42, 0.08), 0 1px 3px -1px rgba(15, 23, 42, 0.1);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: clamp(18px, 2.5vw, 24px) clamp(14px, 2vw, 20px);
}
.flow-step:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.15);
  border-color: rgba(79, 70, 229, 0.15);
}
.flow-num {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  color: #fff;
  background: radial-gradient(120% 120% at 50% 0%, #818cf8 0%, #4f46e5 70%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 10px 40px -20px #4f46e5;
}
.flow-title {
  font-weight: 700;
  font-size: 15.5px;
  letter-spacing: -0.01em;
}
.flow-desc {
  color: #475569;
  font-size: 13.5px;
  line-height: 1.8;
}
.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748b;
  font-size: 20px;
}
@media (max-width: 992px) {
  .flow-arrow {
    transform: rotate(90deg);
  }
}
.code-block {
  margin-top: clamp(28px, 4vw, 40px);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 20px;
  box-shadow: 0 1px 2px -1px rgba(15, 23, 42, 0.08), 0 1px 3px -1px rgba(15, 23, 42, 0.1);
  overflow: hidden;
  background: #0f172a;
}
.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 16px;
  background: linear-gradient(180deg, #0f172a 0%, #0b1226 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.code-header .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.code-title {
  margin-left: 8px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.65);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.code-copy {
  margin-left: auto;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.72);
  width: 30px;
  height: 30px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 13px;
  flex-shrink: 0;
  transition: all 0.25s ease;
}
.code-copy:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}
.code-copy.copied {
  color: #4ade80;
  border-color: rgba(74, 222, 128, 0.4);
}
pre {
  margin: 0;
  padding: clamp(16px, 2.5vw, 24px);
  overflow: auto;
  max-height: 440px;
  background: radial-gradient(800px 600px at 50% 0%, rgba(99, 102, 241, 0.15) 0%, rgba(15, 23, 42, 0) 70%), #0f172a;
}
code.language-csharp {
  color: #e2e8f0;
  font-size: clamp(12.5px, 1.9vw, 14px);
  line-height: 1.9;
  white-space: pre;
  display: block;
  background: transparent;
  padding: 0;
}
.tool-card {
  gap: clamp(14px, 2vw, 18px);
  min-height: 220px;
}
.tool-header {
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 2vw, 12px);
}
.tool-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  list-style: none;
  color: #475569;
}
.tool-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.9;
}
.tool-list li i {
  color: #22c55e;
  margin-top: 5px;
  flex-shrink: 0;
}
.steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: clamp(12px, 2vw, 16px);
}
@media (max-width: 992px) {
  .steps {
    grid-template-columns: 1fr;
  }
}
.step {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  box-shadow: 0 1px 2px -1px rgba(15, 23, 42, 0.08), 0 1px 3px -1px rgba(15, 23, 42, 0.1);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: clamp(10px, 2vw, 14px);
  padding: clamp(20px, 2.5vw, 28px);
}
.step:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.15);
  border-color: rgba(79, 70, 229, 0.15);
}
.step h3 {
  font-size: clamp(16px, 2vw, 18px);
  letter-spacing: -0.02em;
}
.step p {
  color: #475569;
  line-height: 1.9;
}
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 17px;
  color: #fff;
  background: radial-gradient(120% 120% at 50% 0%, #818cf8 0%, #4f46e5 70%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 10px 40px -20px #4f46e5;
}
.step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748b;
  font-size: 26px;
}
@media (max-width: 992px) {
  .step-arrow {
    transform: rotate(90deg);
  }
}
.usecases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(18px, 3vw, 24px);
}
@media (max-width: 880px) {
  .usecases {
    grid-template-columns: 1fr;
  }
}
.usecase {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  box-shadow: 0 1px 2px -1px rgba(15, 23, 42, 0.08), 0 1px 3px -1px rgba(15, 23, 42, 0.1);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2vw, 18px);
  padding: clamp(20px, 3vw, 28px);
}
.usecase:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.15);
  border-color: rgba(79, 70, 229, 0.15);
}
.usecase h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(18px, 2vw, 20px);
}
.usecase h3 i {
  font-size: 22px;
}
.usecase ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
  color: #475569;
}
.usecase ul li {
  padding-left: 22px;
  position: relative;
  line-height: 1.95;
}
.usecase ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.25);
}
.usecase.fit h3 i {
  color: #22c55e;
}
.usecase.fit li::before {
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}
.usecase.notfit h3 i {
  color: #ef4444;
}
.usecase.notfit li::before {
  background: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(14px, 2.5vw, 18px);
}
@media (max-width: 880px) {
  .ecosystem-grid {
    grid-template-columns: 1fr;
  }
}
.eco-card {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  box-shadow: 0 1px 2px -1px rgba(15, 23, 42, 0.08), 0 1px 3px -1px rgba(15, 23, 42, 0.1);
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 18px);
  padding: clamp(16px, 2.5vw, 20px);
}
.eco-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.15);
  border-color: rgba(79, 70, 229, 0.15);
}
.eco-card:hover .eco-arrow {
  transform: translateX(4px);
}
.eco-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: radial-gradient(120% 120% at 50% 0%, #818cf8 0%, #4f46e5 70%);
  flex-shrink: 0;
}
.eco-icon i {
  font-size: 22px;
}
.eco-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.eco-content h3 {
  font-size: clamp(16px, 2vw, 18px);
  letter-spacing: -0.01em;
}
.eco-content p {
  color: #475569;
  line-height: 1.85;
}
.eco-arrow {
  margin-left: auto;
  color: #64748b;
  font-size: 20px;
  flex-shrink: 0;
  transition: all 0.25s ease;
}
.cta-section {
  padding-bottom: clamp(64px, 8vw, 96px);
}
.cta-inner {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  box-shadow: 0 1px 2px -1px rgba(15, 23, 42, 0.08), 0 1px 3px -1px rgba(15, 23, 42, 0.1);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: clamp(16px, 2.5vw, 22px);
  padding: clamp(28px, 5vw, 48px);
  background: radial-gradient(1200px 800px at 50% 0%, rgba(99, 102, 241, 0.12) 0%, rgba(255, 255, 255, 0) 70%), radial-gradient(800px 600px at 50% 100%, rgba(14, 165, 233, 0.08) 0%, rgba(255, 255, 255, 0) 70%), linear-gradient(180deg, #ffffff 0%, #f8f9ff 100%);
  border-color: rgba(79, 70, 229, 0.25);
  box-shadow: 0 40px 90px -40px rgba(79, 70, 229, 0.4);
}
.cta-inner:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.15);
  border-color: rgba(79, 70, 229, 0.15);
}
.cta-inner:hover {
  transform: none;
}
.cta-inner h2 {
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.04em;
  font-weight: 800;
}
.cta-inner p {
  color: #475569;
  max-width: 780px;
  font-size: clamp(15px, 2.2vw, 17.5px);
  line-height: 1.95;
}
.cta-note {
  font-size: 13.5px;
  color: #64748b;
}
.footer {
  background: #0b1226;
  color: rgba(255, 255, 255, 0.88);
  padding-top: clamp(48px, 6vw, 64px);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: clamp(32px, 6vw, 64px);
  padding-bottom: clamp(32px, 5vw, 48px);
}
@media (max-width: 880px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2vw, 18px);
}
.footer-brand .logo {
  justify-content: flex-start;
}
.footer-brand .logo-mark {
  background: radial-gradient(120% 120% at 50% 0%, #a5b4fc 0%, #818cf8 70%);
}
.footer-brand .logo-text {
  color: #fff;
}
.footer-desc {
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.95;
  max-width: 340px;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 3vw, 32px);
}
@media (max-width: 640px) {
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 2vw, 14px);
}
.footer-col h4 {
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
}
.footer-col a {
  color: rgba(255, 255, 255, 0.72);
  width: fit-content;
  transition: all 0.25s ease;
}
.footer-col a:hover {
  color: #fff;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 0;
}
.footer-bottom p {
  color: rgba(255, 255, 255, 0.56);
  font-size: 14px;
  text-align: center;
}
.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 17px;
  color: #0f172a;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: all 0.25s ease;
  z-index: 900;
}
.back-to-top.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover {
  transform: translateY(-2px);
}
.fade-up {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.fade-up.in {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 {
  transition-delay: 0.08s;
}
.delay-2 {
  transition-delay: 0.16s;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .fade-up,
  .mockup,
  .card,
  .btn,
  .host-card,
  .attr-item {
    transition: none;
    transform: none;
  }
  .fade-up {
    opacity: 1;
  }
}