:root {
  --bg: #f5efe6;
  --bg-deep: #22160f;
  --surface: rgba(255, 248, 238, 0.75);
  --surface-strong: rgba(255, 248, 238, 0.94);
  --text: #1d120c;
  --text-soft: rgba(29, 18, 12, 0.72);
  --text-inverse: #fff7ef;
  --line: rgba(29, 18, 12, 0.12);
  --accent: #de6d35;
  --accent-soft: #f0b177;
  --shadow: 0 24px 80px rgba(31, 18, 10, 0.12);
  --font-display: 'Outfit', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', sans-serif;
  --header-height: 88px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at top left, rgba(244, 192, 127, 0.32), transparent 28%),
    radial-gradient(circle at 78% 18%, rgba(221, 118, 66, 0.18), transparent 24%),
    linear-gradient(180deg, #fbf4eb 0%, #f2e7db 44%, #f7f1ea 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-body {
  min-height: 100vh;
}

.site-header,
.legal-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-height);
  padding: 0 32px;
  backdrop-filter: blur(18px);
  background: rgba(251, 244, 235, 0.7);
  border-bottom: 1px solid rgba(29, 18, 12, 0.06);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font: 600 1rem/1 var(--font-display);
  color: var(--text-inverse);
  background: linear-gradient(135deg, #ef9c58 0%, #cf562f 100%);
  box-shadow: 0 14px 34px rgba(214, 109, 53, 0.24);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
  line-height: 1;
}

.brand-copy strong {
  font: 600 1rem/1 var(--font-display);
  letter-spacing: 0.06em;
}

.brand-copy span:last-child {
  font-size: 0.78rem;
  color: var(--text-soft);
}

.site-nav {
  display: inline-flex;
  gap: 28px;
  font-size: 0.92rem;
  color: var(--text-soft);
}

.site-nav a:hover,
.footer-links a:hover,
.compliance-links a:hover,
.legal-back:hover {
  color: var(--accent);
}

.header-cta,
.primary-link,
.secondary-link,
.legal-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 0.94rem;
  transition:
    transform 220ms ease,
    background-color 220ms ease,
    color 220ms ease,
    border-color 220ms ease;
}

.header-cta,
.primary-link {
  color: var(--text-inverse);
  background: #1d120c;
}

.secondary-link,
.legal-back {
  color: var(--text);
  border: 1px solid rgba(29, 18, 12, 0.14);
  background: rgba(255, 255, 255, 0.2);
}

.header-cta:hover,
.primary-link:hover,
.secondary-link:hover,
.legal-back:hover {
  transform: translateY(-2px);
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--header-height));
  padding: 12px 0 40px;
  overflow: clip;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 16% 36%, rgba(245, 210, 169, 0.72), transparent 20%),
    radial-gradient(circle at 84% 24%, rgba(227, 122, 66, 0.3), transparent 20%),
    radial-gradient(circle at 56% 78%, rgba(255, 255, 255, 0.58), transparent 24%);
  transform: translate3d(0, 0, 0);
  transition: transform 600ms ease-out;
}

.hero-grid,
.support-section,
.workflow-section,
.compliance-section,
.cta-section,
.site-footer,
.legal-main {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(420px, 0.82fr) minmax(0, 1.18fr);
  align-items: center;
  gap: 48px;
  min-height: calc(100svh - var(--header-height) - 52px);
}

.hero-copy {
  max-width: 460px;
}

.eyebrow {
  margin: 0 0 18px;
  font: 600 0.82rem/1 var(--font-display);
  letter-spacing: 0.26em;
  color: rgba(29, 18, 12, 0.56);
}

.hero h1,
.section-intro h2,
.workflow-copy h2,
.cta-shell h2,
.legal-article h1 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.04em;
}

.hero h1 {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: clamp(2.9rem, 5.8vw, 5.3rem);
  line-height: 0.92;
}

.hero h1 span {
  display: block;
}

.hero-kicker {
  margin: 20px 0 0;
  font: 500 clamp(1.1rem, 2vw, 1.45rem) / 1.45 var(--font-body);
  color: rgba(29, 18, 12, 0.8);
}

.hero-text,
.feature-content p,
.workflow-copy p,
.compliance-copy p,
.cta-shell p,
.legal-article p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.hero-text {
  max-width: 32rem;
  margin: 16px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.hero-stage {
  position: relative;
  width: min(620px, 100%);
  min-height: 640px;
}

.stage-glow {
  position: absolute;
  inset: 10% 18% 6%;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(250, 232, 208, 0.94) 0%, rgba(250, 232, 208, 0) 68%),
    radial-gradient(circle at 54% 42%, rgba(224, 115, 60, 0.26), transparent 52%);
  filter: blur(10px);
}

.pet-centerpiece {
  position: relative;
  z-index: 1;
  width: 360px;
  margin: 44px auto 0;
  padding: 32px 0 0;
}

.pet-centerpiece svg {
  display: block;
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
  filter: drop-shadow(0 26px 48px rgba(50, 26, 14, 0.18));
}

.hero-card {
  position: relative;
  z-index: 2;
}

.hero-card-photo {
  position: absolute;
}

.hero-card-data {
  position: absolute;
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  min-width: 132px;
  border-radius: 22px;
  background: var(--surface-strong);
  box-shadow: 0 18px 34px rgba(31, 18, 10, 0.08);
  backdrop-filter: blur(10px);
}

.pet-photo {
  position: relative;
  width: 150px;
  height: 210px;
  padding: 18px;
  border-radius: 30px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.pet-photo::before {
  content: '';
  position: absolute;
  inset: 0;
}

.pet-photo-cat::before {
  background:
    radial-gradient(circle at 58% 34%, rgba(255, 255, 255, 0.26), transparent 24%),
    linear-gradient(180deg, rgba(30, 16, 9, 0.08), rgba(30, 16, 9, 0.38)),
    linear-gradient(135deg, #d8b193 0%, #6a4432 100%);
}

.pet-photo-dog::before {
  background:
    radial-gradient(circle at 48% 30%, rgba(255, 255, 255, 0.22), transparent 22%),
    linear-gradient(180deg, rgba(30, 16, 9, 0.08), rgba(30, 16, 9, 0.35)),
    linear-gradient(135deg, #c99569 0%, #5b3b2b 100%);
}

.pet-photo-ginger::before {
  background:
    radial-gradient(circle at 52% 28%, rgba(255, 255, 255, 0.2), transparent 24%),
    linear-gradient(180deg, rgba(30, 16, 9, 0.08), rgba(30, 16, 9, 0.35)),
    linear-gradient(135deg, #dfac73 0%, #7b4d2f 100%);
}

.pet-tag,
.pet-name {
  position: relative;
  z-index: 1;
  display: block;
}

.pet-tag {
  font-size: 0.72rem;
  color: rgba(255, 247, 239, 0.72);
}

.pet-name {
  position: absolute;
  bottom: 18px;
  left: 18px;
  font: 600 1.1rem/1 var(--font-display);
  color: var(--text-inverse);
}

.hero-card-data span {
  font-size: 0.75rem;
  color: rgba(29, 18, 12, 0.52);
}

.hero-card-data strong {
  font-size: 0.95rem;
}

.hero-card-archive {
  top: 220px;
  left: 18px;
}

.hero-card-health {
  left: 38px;
  bottom: 48px;
}

.hero-card-family {
  top: 170px;
  right: 8px;
}

.hero-card-ai {
  right: 36px;
  bottom: 64px;
}

.hero-card-device {
  top: 84px;
  right: 126px;
}

.support-section,
.workflow-section,
.compliance-section,
.cta-section {
  padding: 120px 0;
}

.section-intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 42px;
}

.section-intro h2,
.workflow-copy h2,
.cta-shell h2 {
  max-width: 12ch;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 0.98;
}

.section-intro.narrow h2 {
  max-width: 14ch;
}

.feature-rows {
  border-top: 1px solid var(--line);
}

.feature-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  transition:
    transform 260ms ease,
    border-color 260ms ease;
}

.feature-row:hover {
  transform: translateX(10px);
  border-color: rgba(29, 18, 12, 0.24);
}

.feature-index {
  font: 600 0.96rem/1 var(--font-display);
  color: rgba(29, 18, 12, 0.34);
}

.feature-content h3 {
  margin: 0 0 10px;
  font: 600 1.6rem/1.1 var(--font-display);
}

.feature-content p,
.workflow-copy p,
.compliance-copy p,
.cta-shell p {
  margin: 0;
  max-width: 42rem;
}

.workflow-panel,
.cta-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 36px;
  padding: 38px;
  border-radius: 34px;
  background:
    radial-gradient(circle at top left, rgba(250, 217, 181, 0.84), transparent 28%),
    linear-gradient(180deg, rgba(255, 249, 241, 0.84), rgba(255, 245, 233, 0.92));
  box-shadow: var(--shadow);
}

.workflow-steps {
  display: grid;
  gap: 14px;
}

.workflow-step {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(29, 18, 12, 0.1);
}

.workflow-step span {
  font-size: 0.82rem;
  color: rgba(29, 18, 12, 0.48);
}

.workflow-step strong {
  font-size: 1rem;
  text-align: right;
}

.compliance-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  gap: 36px;
}

.compliance-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 10px;
}

.compliance-links a {
  font: 600 1.35rem/1.1 var(--font-display);
}

.cta-shell {
  grid-template-columns: 1fr;
}

.contact-lines {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.contact-lines div {
  padding-top: 18px;
  border-top: 1px solid rgba(29, 18, 12, 0.12);
}

.contact-lines span {
  display: block;
  margin-bottom: 10px;
  font-size: 0.8rem;
  color: rgba(29, 18, 12, 0.5);
}

.contact-lines strong {
  font: 500 1rem/1.6 var(--font-body);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 0 40px;
  font-size: 0.88rem;
  color: rgba(29, 18, 12, 0.64);
}

.site-footer strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--text);
}

.footer-beian {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.82rem;
  color: rgba(29, 18, 12, 0.56);
}

.footer-beian:hover {
  color: var(--accent);
}

.footer-links {
  display: inline-flex;
  gap: 22px;
}

.legal-body {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(244, 192, 127, 0.2), transparent 20%),
    linear-gradient(180deg, #fbf4eb 0%, #f5efe6 100%);
}

.legal-main {
  padding: 48px 0 96px;
}

.legal-article {
  max-width: 840px;
  padding: 44px;
  margin: 0 auto;
  border-radius: 32px;
  background: rgba(255, 251, 246, 0.82);
  box-shadow: 0 20px 60px rgba(32, 19, 11, 0.08);
}

.legal-meta {
  margin: 0 0 18px;
  font-size: 0.8rem;
  color: rgba(29, 18, 12, 0.5);
}

.legal-article h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 0.96;
  margin-bottom: 22px;
}

.legal-article h2 {
  margin: 30px 0 10px;
  font: 600 1.25rem/1.2 var(--font-display);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 650ms ease,
    transform 650ms ease;
}

[data-reveal='fade'] {
  transform: translateY(0) scale(0.98);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 980px) {
  .site-header,
  .legal-header {
    padding: 0 20px;
  }

  .site-nav,
  .header-cta {
    display: none;
  }

  .hero-grid,
  .workflow-panel,
  .compliance-grid,
  .contact-lines {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 28px;
    padding: 24px 0 0;
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-bottom: 70px;
  }

  .hero-stage {
    min-height: 520px;
  }

  .pet-photo {
    width: 110px;
    height: 160px;
    border-radius: 24px;
  }

  .feature-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  :root {
    --header-height: 76px;
  }

  .hero-grid,
  .support-section,
  .workflow-section,
  .compliance-section,
  .cta-section,
  .site-footer,
  .legal-main {
    width: min(100% - 28px, 1180px);
  }

  .hero h1 {
    font-size: clamp(2.5rem, 14vw, 4rem);
  }

  .hero-stage {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    min-height: auto;
  }

  .pet-centerpiece,
  .hero-card {
    position: relative;
    inset: auto;
    margin: 0;
  }

  .pet-centerpiece {
    order: 1;
    grid-column: 1 / -1;
    width: 100%;
    padding-top: 0;
  }

  .hero-card-photo,
  .hero-card-data {
    position: relative;
  }

  .pet-centerpiece svg {
    max-width: 260px;
  }

  .workflow-panel,
  .cta-shell,
  .legal-article {
    padding: 26px 20px;
    border-radius: 26px;
  }

  .section-intro h2,
  .workflow-copy h2,
  .cta-shell h2 {
    max-width: none;
    font-size: 2.15rem;
  }
}