/* Extracted from `网页版本2.html` for maintainability. */

body {
  font-family: 'Inter', sans-serif;
  background-color: #fafafa; /* Soft white for more premium look than pure white */
  color: #111111;
  -webkit-font-smoothing: antialiased;
}

.hero-shell {
  position: relative;
  isolation: isolate;
}

.hero-diagram {
  position: absolute;
  inset: 2.5rem -4rem auto;
  height: 24rem;
  pointer-events: none;
  opacity: 0.82;
  z-index: -1;
}

.hero-node,
.hero-link,
.hero-panel {
  position: absolute;
}

.hero-node {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.04);
}

.hero-node-1 { top: 3.6rem; left: 15%; }
.hero-node-2 { top: 7rem; left: 31%; background: rgba(196, 251, 242, 0.96); }
.hero-node-3 { top: 4.6rem; right: 30%; }
.hero-node-4 { top: 10rem; right: 17%; background: rgba(255, 243, 199, 0.98); }
.hero-node-5 { top: 13.5rem; left: 44%; }

.hero-link {
  height: 1px;
  background: linear-gradient(90deg, rgba(15, 23, 42, 0.04), rgba(15, 23, 42, 0.16), rgba(15, 23, 42, 0.04));
  transform-origin: left center;
}

.hero-link-1 { top: 4rem; left: 16%; width: 18%; transform: rotate(10deg); }
.hero-link-2 { top: 7.1rem; left: 32%; width: 30%; transform: rotate(-7deg); }
.hero-link-3 { top: 11.4rem; left: 45%; width: 24%; transform: rotate(-18deg); }

.hero-panel {
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.52);
  backdrop-filter: blur(10px);
}

.hero-panel-1 { top: 1.8rem; right: 10%; width: 11rem; height: 5.5rem; }
.hero-panel-2 { top: 9rem; left: 10%; width: 9.5rem; height: 4.8rem; }

.hero-keyword {
  display: inline-block;
  padding: 0 0.08em 0.04em;
  border-radius: 0.16em;
  background-repeat: no-repeat;
  background-size: 100% 0.42em;
  background-position: 0 88%;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.hero-keyword-ai {
  color: #0f172a;
  background-image: linear-gradient(180deg, transparent 0%, transparent 52%, rgba(45, 212, 191, 0.5) 52%, rgba(103, 232, 249, 0.56) 100%);
}

.hero-keyword-revolution {
  color: #0f172a;
  background-image: linear-gradient(180deg, transparent 0%, transparent 52%, rgba(251, 191, 36, 0.34) 52%, rgba(251, 191, 36, 0.34) 100%);
}

.notion-border {
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.btn-black {
  background-color: #000000;
  color: #ffffff;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-black:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.btn-outline {
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-outline:hover {
  background: #ffffff;
  border-color: #000000;
  transform: scale(1.02);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.hero-signals {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero-signal {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(10px);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #4b5563;
}

.hero-signal-dot {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #14b8a6, #fbbf24);
  box-shadow: 0 0 0 5px rgba(20, 184, 166, 0.08);
}

.section-padding {
  padding: 120px 24px;
}

.partners-strip {
  border: 1px solid rgba(15, 23, 42, 0.06);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(246, 247, 247, 0.76));
  border-radius: 2rem;
  padding: 1.25rem;
  box-shadow: 0 18px 60px rgba(15, 23, 42, 0.06);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.9rem;
}

.partner-logo {
  height: 3.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 1.2rem;
  border: 1px dashed rgba(15, 23, 42, 0.12);
  background: rgba(255, 255, 255, 0.65);
  color: rgba(15, 23, 42, 0.55);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.7rem;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.25s ease,
    background 0.25s ease,
    color 0.25s ease;
}

.partner-logo-img {
  max-width: 78%;
  max-height: 62%;
  object-fit: contain;
  opacity: 0.8;
  filter: grayscale(100%);
  transition: opacity 0.25s ease, filter 0.25s ease;
}

.partner-logo:hover {
  transform: translateY(-4px);
  border-color: rgba(20, 184, 166, 0.25);
  background: rgba(255, 255, 255, 0.9);
  color: rgba(15, 23, 42, 0.82);
}

.partner-logo:hover .partner-logo-img {
  opacity: 1;
  filter: grayscale(20%);
}

/* Note: responsive partners grid handled in main mobile block */

.lang-btn {
  position: relative;
}

.lang-btn.active {
  font-weight: 700;
  color: #000;
}

.lang-btn.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: #000;
}

.hidden-view {
  display: none;
}

/* Glassmorphism components */
.glass-nav {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

.glass-card {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.02);
}

.service-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(247, 248, 248, 0.82));
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: 0 10px 35px rgba(15, 23, 42, 0.04);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.35s ease,
    background 0.35s ease;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0));
  pointer-events: none;
  z-index: 0;
}

.service-card::after {
  content: '';
  position: absolute;
  inset: auto 1.5rem 0.9rem;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(20, 184, 166, 0.75), rgba(251, 191, 36, 0.68));
  opacity: 0;
  transform: scaleX(0.45);
  transform-origin: left center;
  transition: opacity 0.3s ease, transform 0.35s ease;
  z-index: 2;
}

.service-card:hover,
.service-card:focus-within {
  transform: translateY(-10px);
  border-color: rgba(20, 184, 166, 0.2);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(241, 247, 246, 0.96));
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.1);
}

.service-card:hover::after,
.service-card:focus-within::after {
  opacity: 1;
  transform: scaleX(1);
}

.service-card-index {
  position: absolute;
  top: 1.5rem;
  right: 1.75rem;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: rgba(15, 23, 42, 0.16);
  font-weight: 800;
  transition: color 0.3s ease, transform 0.3s ease;
}

.service-card:hover .service-card-index,
.service-card:focus-within .service-card-index {
  color: rgba(20, 184, 166, 0.6);
  transform: translateY(-2px);
}

.service-card-featured {
  border-color: rgba(20, 184, 166, 0.18);
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.06);
}

.service-card-featured::before {
  content: '';
  position: absolute;
  inset: auto -20% -10% auto;
  width: 13rem;
  height: 13rem;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.12), transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.service-card > * {
  position: relative;
  z-index: 1;
}

.engagement-card {
  position: relative;
  border: 1px solid rgba(15, 23, 42, 0.07);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 248, 248, 0.9));
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.35s ease,
    background 0.35s ease;
}

.engagement-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, rgba(20, 184, 166, 0.85), rgba(251, 191, 36, 0.78));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.engagement-card:hover,
.engagement-card:focus-within {
  transform: translateY(-10px);
  border-color: rgba(20, 184, 166, 0.22);
  background: linear-gradient(180deg, rgba(255, 255, 255, 1), rgba(242, 248, 247, 0.96));
  box-shadow: 0 26px 65px rgba(15, 23, 42, 0.11);
}

.engagement-card:hover::before,
.engagement-card:focus-within::before {
  opacity: 1;
}

.engagement-card-featured {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 247, 246, 0.92));
  border: 1px solid rgba(15, 23, 42, 0.08);
  color: #111111;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
}

.engagement-meta {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.engagement-level {
  display: inline-block;
  margin-bottom: 0.4rem;
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 800;
  color: rgba(15, 23, 42, 0.36);
}

.engagement-meta-dark {
  border-top-color: rgba(15, 23, 42, 0.08);
}

.engagement-meta-label {
  display: inline-block;
  margin-bottom: 0.45rem;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #9ca3af;
}

.engagement-meta-value {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #1f2937;
  transition: color 0.3s ease;
}

.engagement-meta-dark .engagement-meta-value {
  color: #1f2937;
}

.engagement-card-featured::after {
  content: '';
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 999px;
  border: 1px solid rgba(20, 184, 166, 0.16);
  background: radial-gradient(circle, rgba(20, 184, 166, 0.08), transparent 70%);
}

.engagement-card:hover .engagement-meta-value,
.engagement-card:focus-within .engagement-meta-value {
  color: #0f172a;
}

.case-card {
  display: block;
}

.case-result-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.7rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.82);
  color: #fff;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.team-card {
  padding: 2rem 1.25rem;
  border-radius: 2rem;
  border: 1px solid rgba(15, 23, 42, 0.05);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.44));
}

.footer-shell {
  position: relative;
  border-top: 1px solid transparent;
}

.footer-shell::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(92%, 74rem);
  height: 1px;
  background: linear-gradient(90deg, rgba(15, 23, 42, 0), rgba(15, 23, 42, 0.12), rgba(20, 184, 166, 0.18), rgba(15, 23, 42, 0.12), rgba(15, 23, 42, 0));
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-copy {
  line-height: 1.5;
}

.footer-meta {
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-link-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.team-focus {
  margin-bottom: 0.7rem;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #14b8a6;
}

.team-avatar-frame {
  width: 9.5rem;
  height: 9.5rem;
}

.team-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  transform: scale(1.04);
}

.team-avatar-julien {
  object-position: center 16%;
}

.team-avatar-bobby {
  object-position: center 14%;
}

.team-avatar-bigsong {
  object-position: center 17%;
}

@media (max-width: 768px) {
  .team-avatar-frame {
    width: 8.6rem;
    height: 8.6rem;
  }
}

/* Scroll Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 100ms;
}

.reveal-delay-2 {
  transition-delay: 200ms;
}

.reveal-delay-3 {
  transition-delay: 300ms;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 80px 20px;
  }

  .hero-diagram {
    inset: 1rem -1rem auto;
    height: 18rem;
  }

  .hero-panel-1 { right: 2%; width: 7rem; height: 4rem; }
  .hero-panel-2 { left: 2%; width: 6rem; height: 3.6rem; }

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

/* Clean fade for view transition */
@keyframes subtleFade {
  from {
    opacity: 0;
    transform: translateY(5px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade {
  animation: subtleFade 0.5s ease forwards;
}

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

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

  .animate-fade {
    animation: none;
  }

  .btn-black,
  .btn-outline {
    transition: none;
  }

  .btn-black:hover,
  .btn-outline:hover {
    transform: none;
  }
}