:root {
  --modern-primary: var(--color-primary, #14B8A6);
  --modern-primary-dark: var(--color-secondary, #0D9488);
  --modern-bg-gradient: var(--gradient-main, linear-gradient(135deg, #0F2027 0%, #203A43 50%, #2C5364 100%));
  --modern-card-bg: rgba(255, 255, 255, 0.08);
  --modern-card-border: rgba(255, 255, 255, 0.10);
  --modern-glow: color-mix(in srgb, var(--modern-primary) 40%, transparent);
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--modern-bg-gradient);
  color: #fff;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  top: -40%;
  left: -40%;
  width: 180%;
  height: 180%;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse at 20% 40%, color-mix(in srgb, var(--modern-primary) 18%, transparent) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(124, 255, 203, 0.10) 0%, transparent 40%),
    radial-gradient(ellipse at 60% 80%, rgba(99, 102, 241, 0.10) 0%, transparent 55%);
  animation: modern-aurora-move 20s ease-in-out infinite;
}

.bg-overlay {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

@keyframes modern-aurora-move {
  0%,
  100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(-3%, -3%) rotate(1deg); }
  66% { transform: translate(3%, 3%) rotate(-1deg); }
}

.layui-container.modern-home {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  padding: 56px 20px 44px;
}

.modern-hero {
  text-align: center;
  margin-bottom: 28px;
}

.modern-logo-wrap {
  width: 88px;
  height: 88px;
  margin: 0 auto 18px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--modern-primary-dark) 0%, var(--modern-primary) 100%);
  box-shadow: 0 10px 36px var(--modern-glow);
}

.modern-logo-wrap::before {
  content: "";
  position: absolute;
  width: 130%;
  height: 130%;
  border-radius: 30px;
  background: radial-gradient(circle, var(--modern-glow) 0%, transparent 68%);
}

.modern-logo {
  position: relative;
  z-index: 1;
  width: 58px;
  height: 58px;
  object-fit: contain;
  border-radius: 10px;
}

.modern-title {
  margin: 0 0 6px;
  color: #fff;
  font-size: 26px;
  font-weight: 700;
}

.modern-subtitle {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  letter-spacing: 1px;
}

.modern-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 660px;
  margin: 0 auto 30px;
}

.modern-card {
  background: var(--modern-card-bg);
  backdrop-filter: blur(18px);
  border: 1px solid var(--modern-card-border);
  border-radius: 18px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 96px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.modern-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--modern-primary) 45%, transparent);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.2);
}

.modern-card-icon {
  width: 52px;
  height: 52px;
  min-width: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--modern-primary) 16%, transparent);
  transition: all 0.25s ease;
}

.modern-card-icon i {
  color: var(--modern-primary);
  font-size: 20px;
}

.modern-card:hover .modern-card-icon {
  background: linear-gradient(135deg, var(--modern-primary-dark) 0%, var(--modern-primary) 100%);
}

.modern-card:hover .modern-card-icon i {
  color: #fff;
}

.modern-card-text {
  flex: 1;
  min-width: 0;
}

.modern-card-text h3 {
  margin: 0 0 4px;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
}

.modern-card-text p {
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
  line-height: 1.35;
}

.modern-card-arrow {
  color: rgba(255, 255, 255, 0.35);
  transition: all 0.25s ease;
}

.modern-card:hover .modern-card-arrow {
  color: var(--modern-primary);
  transform: translateX(3px);
}

.modern-feature-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
}

.modern-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.75);
  font-size: 12px;
}

.modern-tag i {
  color: var(--modern-primary);
  font-size: 11px;
}

.modern-footer {
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
}

.legacy-hidden {
  display: none;
}

#legacy-stack {
  position: relative;
  z-index: 1;
  margin: 28px auto;
  max-width: 1080px;
}

#legacy-stack .legacy-fallback-tip {
  display: none;
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 12px;
  border-left: 3px solid var(--modern-primary);
  background: rgba(255, 255, 255, 0.88);
  color: #1f2937;
  gap: 8px;
  align-items: center;
}

#legacy-stack:not(.legacy-hidden) .legacy-fallback-tip {
  display: inline-flex;
}

#legacy-stack .legacy-fallback-tip i {
  color: var(--modern-primary-dark);
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(3, 7, 18, 0.52);
  z-index: 1000;
}

.modal__content {
  width: min(820px, 92vw);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid #e5e7eb;
}

.modal__title {
  font-weight: 600;
  color: #1f2937;
}

.modal__close {
  border: none;
  background: none;
  font-size: 20px;
  cursor: pointer;
  color: #6b7280;
}

.modal__body {
  padding: 22px;
  max-height: calc(100vh - 160px);
  overflow-y: auto;
}

.modal__body > * {
  width: 100%;
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 480px) {
  .layui-container.modern-home {
    padding: 40px 16px 30px;
  }

  .modern-logo-wrap {
    width: 72px;
    height: 72px;
    border-radius: 18px;
  }

  .modern-logo {
    width: 46px;
    height: 46px;
  }

  .modern-title {
    font-size: 22px;
  }

  .modern-subtitle {
    font-size: 12px;
  }

  .modern-cards {
    gap: 10px;
  }

  .modern-card {
    padding: 14px;
    min-height: 82px;
  }

  .modern-card-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
  }

  .modern-card-icon i {
    font-size: 16px;
  }

  .modern-card-text h3 {
    font-size: 13px;
  }

  .modern-card-text p {
    font-size: 10px;
  }

  .modern-feature-tags {
    gap: 6px;
    margin-bottom: 18px;
  }

  .modern-tag {
    font-size: 11px;
    padding: 6px 10px;
  }
}