:root {
  --ink: #15171d;
  --muted: #6d7280;
  --line: rgba(35, 38, 47, 0.12);
  --panel: rgba(255, 255, 255, 0.72);
  --accent: #14863f;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  font-family: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background:
    radial-gradient(circle at 18% 12%, rgba(203, 238, 255, 0.92), rgba(203, 238, 255, 0) 30%),
    radial-gradient(circle at 86% 84%, rgba(191, 242, 208, 0.72), rgba(191, 242, 208, 0) 34%),
    linear-gradient(135deg, #f8fbff 0%, #f2f6f7 46%, #eef4f0 100%);
}

a {
  color: inherit;
}

.site {
  min-height: calc(100svh - 56px);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  align-items: center;
  gap: 58px;
  min-height: calc(100svh - 56px);
  padding: clamp(42px, 7vw, 84px) clamp(24px, 8vw, 108px);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 28px;
  z-index: -1;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 42px;
  background: rgba(255, 255, 255, 0.42);
  box-shadow: 0 30px 90px rgba(33, 42, 54, 0.12);
}

.hero-content {
  max-width: 620px;
  animation: rise-in 520ms ease-out both;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand-icon {
  width: clamp(74px, 9vw, 112px);
  height: clamp(74px, 9vw, 112px);
  flex: 0 0 auto;
}

.brand-kicker {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 86px);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 520px;
  margin: 34px 0 0;
  color: #3c414b;
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 40px;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  background: #0f172a;
  color: #ffffff;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.18);
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.primary-link:hover {
  transform: translateY(-2px);
  background: #111827;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.22);
}

.access-note {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.product-visual {
  position: relative;
  min-height: 430px;
  border-radius: 36px;
  border: 1px solid rgba(255, 255, 255, 0.76);
  background: rgba(255, 255, 255, 0.46);
  box-shadow: 0 28px 70px rgba(30, 38, 50, 0.12);
  backdrop-filter: blur(18px);
  animation: float-in 660ms 120ms ease-out both;
}

.visual-bar {
  position: absolute;
  top: 34px;
  left: 36px;
  right: 36px;
  height: 52px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
}

.visual-list {
  position: absolute;
  top: 116px;
  left: 36px;
  right: 36px;
  display: grid;
  gap: 18px;
}

.visual-list span {
  height: 68px;
  border-radius: 22px;
  background:
    linear-gradient(90deg, rgba(52, 199, 89, 0.55) 0 7px, transparent 7px),
    rgba(255, 255, 255, 0.74);
}

.visual-focus {
  position: absolute;
  right: 34px;
  bottom: 34px;
  left: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  padding: 0 22px;
  border-radius: 20px;
  background: rgba(20, 134, 63, 0.9);
  color: #ffffff;
  font-size: 15px;
  font-weight: 800;
  box-shadow: 0 18px 36px rgba(20, 134, 63, 0.22);
}

.support {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

.support-item {
  min-height: 132px;
  padding: 28px clamp(20px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.54);
}

.support-item span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

.support-item p {
  max-width: 360px;
  margin: 12px 0 0;
  color: #313640;
  font-size: 17px;
  line-height: 1.65;
  font-weight: 700;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 56px;
  padding: 14px 20px;
  color: rgba(60, 64, 73, 0.76);
  font-size: 13px;
  background: rgba(255, 255, 255, 0.62);
}

.site-footer a {
  text-decoration: none;
}

.site-footer a:hover {
  color: #0f172a;
  text-decoration: underline;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float-in {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 820px) {
  .site {
    min-height: auto;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    min-height: auto;
    padding: 40px 18px 30px;
  }

  .hero::before {
    inset: 12px;
    border-radius: 28px;
  }

  .brand-lockup {
    gap: 14px;
  }

  .hero-copy {
    margin-top: 24px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    margin-top: 28px;
  }

  .product-visual {
    min-height: 320px;
    border-radius: 28px;
  }

  .visual-list span {
    height: 52px;
  }

  .support {
    grid-template-columns: 1fr;
  }

  .support-item {
    min-height: 0;
    padding: 22px;
  }

  .site-footer {
    flex-direction: column;
    gap: 6px;
  }
}