:root {
  --bg: #fff8ef;
  --bg-soft: #fff3e4;
  --paper: rgba(255, 255, 255, 0.7);
  --card: rgba(255, 255, 255, 0.86);
  --ink: #443a3c;
  --muted: #74666c;
  --line: rgba(119, 88, 97, 0.12);
  --accent: #d57a58;
  --accent-deep: #b85b3a;
  --rose: #f5d1c6;
  --lilac: #dfd4f8;
  --sky: #dcefff;
  --mint: #d7f5e8;
  --shadow: 0 24px 60px rgba(90, 57, 54, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-width: 1180px;
  --transition: 220ms ease;
  --heading-font: "Hannotate SC", "HanziPen SC", "Baoli SC", "STXingkai", "Marker Felt", cursive;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(248, 204, 181, 0.65), transparent 32%),
    radial-gradient(circle at 80% 20%, rgba(221, 210, 247, 0.8), transparent 26%),
    linear-gradient(180deg, #fff9f2 0%, #fff4ea 48%, #fffaf6 100%);
}

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

.page-shell {
  position: relative;
  overflow: hidden;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: fixed;
  z-index: -1;
  border-radius: 999px;
  filter: blur(10px);
  opacity: 0.6;
}

.page-shell::before {
  top: 140px;
  left: -120px;
  width: 240px;
  height: 240px;
  background: rgba(255, 201, 172, 0.4);
}

.page-shell::after {
  right: -100px;
  bottom: 120px;
  width: 260px;
  height: 260px;
  background: rgba(210, 197, 255, 0.35);
}

.site-header,
main {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
}

.site-footer {
  padding: 18px 20px 26px;
  text-align: center;
  color: #6f666b;
  font-size: 14px;
  line-height: 1.8;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: #1548d3;
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 18px;
  padding: 16px 22px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 999px;
  background: rgba(255, 250, 245, 0.76);
  box-shadow: 0 12px 32px rgba(100, 71, 68, 0.08);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  font-family: var(--heading-font);
}

.brand-logo {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 10px 22px rgba(92, 68, 58, 0.16);
  flex: 0 0 auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
}

.site-nav a,
.header-action,
.primary-button,
.secondary-button {
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), color var(--transition);
}

.site-nav a:hover,
.secondary-button:hover {
  color: var(--ink);
}

.header-action,
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  color: #fff8f2;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  box-shadow: 0 14px 28px rgba(191, 102, 65, 0.24);
}

.header-action:hover,
.primary-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(191, 102, 65, 0.3);
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.65);
}

main {
  padding: 28px 0 56px;
}

section {
  margin-bottom: 26px;
}

.hero,
.feature,
.services,
.closing,
.download-section {
  position: relative;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 34px;
  align-items: center;
  min-height: 66vh;
  padding: 24px 0 8px;
}

.eyebrow,
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid rgba(213, 122, 88, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
  color: var(--accent-deep);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.hero h1,
.feature h2,
.section-heading h2,
.closing h2 {
  margin: 16px 0;
  line-height: 1.14;
  font-family: var(--heading-font);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.hero h1 {
  max-width: 10ch;
  font-size: clamp(44px, 7vw, 76px);
}

.hero-text,
.feature-copy p,
.closing p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
}

.hero-copy {
  max-width: 620px;
}

.hero-visual {
  position: relative;
  min-height: 420px;
}

.memory-panel {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-xl);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.panel-large {
  top: 40px;
  right: 20px;
  width: min(100%, 470px);
  padding: 32px;
}

.panel-large strong,
.glow-card strong,
.closing h2 {
  display: block;
}

.panel-large strong {
  margin-top: 18px;
  font-size: 34px;
  line-height: 1.28;
  font-family: var(--heading-font);
}

.panel-large p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.metric {
  font-size: 42px;
  font-weight: 800;
}

.floating-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(1px);
}

.orb-one {
  top: 0;
  left: 44px;
  width: 108px;
  height: 108px;
  background: radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.9), rgba(239, 184, 157, 0.72));
}

.orb-two {
  right: 54px;
  bottom: 10px;
  width: 136px;
  height: 136px;
  background: radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.92), rgba(214, 202, 252, 0.84));
}

.feature h2,
.section-heading h2,
.closing h2 {
  font-size: clamp(32px, 4vw, 52px);
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.benefit-card,
.mini-point,
.service-card,
.glow-card,
.closing-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.74);
}

.benefit-card {
  min-height: 130px;
  padding: 18px;
}

.benefit-icon,
.service-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(213, 122, 88, 0.12);
  color: var(--accent-deep);
  font-size: 13px;
  font-weight: 800;
}

.benefit-card h3,
.mini-point strong,
.service-card h3 {
  margin: 18px 0 0;
  font-size: 22px;
  line-height: 1.42;
  font-family: var(--heading-font);
}

.device-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 620px;
}

.phone-mockup {
  width: min(100%, 360px);
  padding: 14px;
  border-radius: 42px;
  background: linear-gradient(160deg, #443a3c 0%, #6a5256 100%);
  box-shadow: 0 28px 64px rgba(74, 53, 49, 0.28);
}

.phone-screen {
  display: grid;
  gap: 16px;
  min-height: 580px;
  padding: 20px;
  border-radius: 30px;
  background:
    radial-gradient(circle at top left, rgba(255, 216, 193, 0.72), transparent 30%),
    linear-gradient(180deg, #fff9f4 0%, #fff1e4 100%);
}

.screen-top,
.mini-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.screen-top {
  color: var(--muted);
  font-size: 14px;
}

.pet-card,
.timeline-card,
.mini-stats > div,
.glow-card {
  padding: 18px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 14px 30px rgba(117, 86, 83, 0.12);
}

.pet-card strong,
.timeline-card strong,
.mini-stats strong {
  display: block;
}

.pet-card p,
.timeline-card p,
.mini-stats span,
.glow-card span {
  margin: 8px 0 0;
  color: var(--muted);
}

.pet-avatar {
  display: inline-block;
  width: 72px;
  height: 72px;
  margin-bottom: 14px;
  border-radius: 24px;
  background:
    radial-gradient(circle at 50% 38%, #fff 0 18%, transparent 19%),
    radial-gradient(circle at 34% 34%, #ffcfac 0 52%, transparent 53%),
    linear-gradient(180deg, #ffc7a8 0%, #f7a979 100%);
}

.timeline-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.timeline-dot {
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  margin-top: 6px;
  border-radius: 999px;
  background: linear-gradient(135deg, #d57a58, #f0b494);
}

.mini-stats {
  gap: 16px;
}

.mini-stats > div {
  flex: 1;
}

.glow-card {
  position: absolute;
  right: 0;
  bottom: 38px;
  width: 220px;
  border-color: rgba(214, 200, 255, 0.4);
  background: linear-gradient(180deg, rgba(248, 243, 255, 0.92), rgba(255, 255, 255, 0.84));
}

.mini-visual {
  display: flex;
  justify-content: center;
  padding: 24px 0;
}

.wechat-card {
  width: min(100%, 390px);
  padding: 20px;
  border: 1px solid rgba(77, 200, 123, 0.18);
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(245, 255, 248, 0.88), rgba(255, 255, 255, 0.82));
  box-shadow: 0 24px 52px rgba(63, 110, 72, 0.12);
}

.wechat-header {
  display: flex;
  gap: 8px;
}

.wechat-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #8fd8a7;
}

.qr-placeholder {
  display: grid;
  place-items: center;
  margin: 26px 0;
  padding: 24px;
  border-radius: 24px;
  background: #ffffff;
}

.qr-grid {
  width: 220px;
  aspect-ratio: 1;
  border-radius: 20px;
  background:
    linear-gradient(90deg, #171717 12px, transparent 12px) 0 0 / 44px 44px,
    linear-gradient(#171717 12px, transparent 12px) 0 0 / 44px 44px,
    linear-gradient(90deg, transparent 32px, #171717 32px 36px, transparent 36px) 0 0 / 44px 44px,
    linear-gradient(transparent 32px, #171717 32px 36px, transparent 36px) 0 0 / 44px 44px,
    #f8f8f8;
}

.wechat-card strong {
  display: block;
  text-align: center;
  font-size: 20px;
}

.mini-points {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.mini-point {
  padding: 18px 20px;
}

.mini-point span,
.service-card p {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.75;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 20px;
}

.download-section {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: center;
  padding: 36px 42px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 40px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 250, 244, 0.94));
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.download-copy h2 {
  margin: 16px 0 14px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.2;
  font-family: var(--heading-font);
}

.download-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.qr-card {
  display: grid;
  justify-items: center;
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.76);
}

.qr-square {
  display: grid;
  place-items: center;
  width: min(100%, 240px);
  aspect-ratio: 1;
  border: 2px dashed rgba(213, 122, 88, 0.38);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255, 241, 230, 0.9), rgba(246, 240, 255, 0.95));
  color: var(--accent-deep);
  font-size: 24px;
  font-weight: 700;
}

.qr-image {
  width: 100%;
  height: 100%;
  border-radius: 20px;
  object-fit: contain;
}

.qr-card p {
  margin: 0;
  color: var(--muted);
  text-align: center;
}

.services {
  padding: 42px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 40px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 252, 248, 0.92));
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  min-height: 260px;
  padding: 24px;
  box-shadow: 0 18px 36px rgba(100, 72, 67, 0.08);
}

.service-card-peach {
  background: linear-gradient(180deg, rgba(255, 239, 227, 0.94), rgba(255, 255, 255, 0.84));
}

.service-card-lilac {
  background: linear-gradient(180deg, rgba(239, 234, 255, 0.94), rgba(255, 255, 255, 0.84));
}

.service-card-blush {
  background: linear-gradient(180deg, rgba(255, 233, 240, 0.94), rgba(255, 255, 255, 0.84));
}

.service-card-sky {
  background: linear-gradient(180deg, rgba(231, 244, 255, 0.94), rgba(255, 255, 255, 0.84));
}

.closing-card {
  padding: 54px;
  text-align: center;
  box-shadow: var(--shadow);
  background:
    radial-gradient(circle at top center, rgba(255, 223, 198, 0.5), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 249, 242, 0.94));
}

.closing-card h2 {
  margin-bottom: 18px;
}

.closing-card p {
  max-width: 760px;
  margin: 0 auto;
}

@media (max-width: 1080px) {
  .hero,
  .download-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 20px;
  }

  .hero h1 {
    max-width: 100%;
  }

  .hero-visual {
    min-height: 360px;
  }

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

@media (max-width: 780px) {
  .site-header {
    flex-wrap: wrap;
    justify-content: center;
    border-radius: 26px;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 16px;
    font-size: 14px;
  }

  main,
  .site-header {
    width: min(calc(100% - 24px), var(--max-width));
  }

  .services,
  .download-section,
  .closing-card {
    padding: 24px;
  }

  .benefit-grid,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .panel-large {
    position: relative;
    inset: auto;
    width: 100%;
  }

  .hero-visual {
    display: grid;
    gap: 16px;
    min-height: auto;
  }

  .phone-mockup {
    width: 100%;
  }

  .phone-screen {
    min-height: auto;
  }

  .qr-grid {
    width: min(100%, 220px);
  }
}