:root {
  --ink: #1b2838;
  --ink-soft: #405066;
  --muted: #718092;
  --line: #e6eceb;
  --paper: #ffffff;
  --warm-paper: #fffdf9;
  --milk: #fbf6f2;
  --mist: #eef9f6;
  --blue: #69c4da;
  --blue-deep: #187fa3;
  --green: #9fcf78;
  --pink: #ee98b4;
  --peach: #f6c9a8;
  --lavender: #b8b2dd;
  --gold: #f2c85d;
  --shadow-soft: 0 24px 70px rgba(58, 95, 100, 0.12);
  --shadow-close: 0 10px 28px rgba(58, 95, 100, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 10%, rgba(238, 152, 180, 0.12), transparent 28%),
    radial-gradient(circle at 88% 6%, rgba(105, 196, 218, 0.16), transparent 30%),
    linear-gradient(180deg, #fffdf9, #f7fcfb 46%, #fffdf9);
  font-family:
    "Noto Sans SC",
    "Microsoft YaHei",
    "PingFang SC",
    Arial,
    sans-serif;
  line-height: 1.68;
}

img {
  display: block;
  max-width: 100%;
}

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

small {
  display: block;
  color: inherit;
  font-size: 0.78em;
  font-weight: 500;
  line-height: 1.36;
  opacity: 0.7;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(43px, 6.3vw, 78px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: 0;
}

h1 span,
h2 span {
  display: block;
  margin-top: 14px;
  color: #5c7890;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.42em;
  font-weight: 500;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(31px, 4vw, 52px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.32;
  letter-spacing: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 12px clamp(20px, 5vw, 76px);
  border-bottom: 1px solid rgba(230, 236, 235, 0.72);
  background: rgba(255, 253, 249, 0.82);
  backdrop-filter: blur(22px);
}

.brand {
  display: inline-flex;
  gap: 13px;
  align-items: center;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  filter: drop-shadow(0 8px 18px rgba(105, 196, 218, 0.18));
}

.brand strong {
  display: block;
  font-size: 18px;
  line-height: 1.2;
}

.brand small {
  color: var(--muted);
  font-size: 11px;
  opacity: 0.88;
}

.desktop-nav {
  display: flex;
  gap: 30px;
  align-items: center;
}

.desktop-nav a {
  display: grid;
  gap: 1px;
  padding: 8px 0;
  color: #43576a;
  font-size: 14px;
  font-weight: 800;
}

.desktop-nav small {
  font-size: 10px;
  font-weight: 600;
}

.desktop-nav a:hover {
  color: var(--blue-deep);
}

.nav-cta,
.primary-button,
.secondary-button {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 900;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.nav-cta small,
.primary-button small,
.secondary-button small {
  display: inline;
  font-size: 11px;
  opacity: 0.75;
}

.nav-cta,
.primary-button {
  color: #ffffff;
  background: linear-gradient(135deg, #1c88a8, #69c4da);
  box-shadow: 0 16px 32px rgba(24, 127, 163, 0.22);
}

.secondary-button {
  color: #22708e;
  border: 1px solid rgba(34, 112, 142, 0.18);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 12px 28px rgba(58, 95, 100, 0.08);
}

.nav-cta:hover,
.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-2px);
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100vh - 76px);
  align-items: center;
  overflow: hidden;
  padding: 92px clamp(20px, 6vw, 96px) 118px;
  background:
    radial-gradient(circle at 72% 22%, rgba(238, 152, 180, 0.16), transparent 26%),
    linear-gradient(115deg, #fffdf9 0%, #fff8f6 42%, #edf9fb 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 253, 249, 0.98) 0%, rgba(255, 253, 249, 0.86) 43%, rgba(255, 253, 249, 0.18) 100%),
    url("assets/jaundice-device-hand.jpg") right center / cover no-repeat;
  filter: saturate(0.92) contrast(0.98);
}

.hero::before {
  position: absolute;
  inset: auto -16% -34% 48%;
  height: 78%;
  content: "";
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.85) 0%, rgba(105, 196, 218, 0.14) 38%, transparent 68%);
  transform: rotate(-10deg);
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 9px;
  content: "";
  background: linear-gradient(90deg, var(--green), var(--blue), var(--pink), var(--gold));
}

.brand-ribbon {
  position: absolute;
  right: 7vw;
  bottom: 15vh;
  z-index: 1;
  width: min(36vw, 520px);
  height: min(36vw, 520px);
  pointer-events: none;
  opacity: 0.92;
}

.brand-ribbon span {
  position: absolute;
  border-radius: 999px;
  filter: blur(0.2px);
}

.brand-ribbon span:nth-child(1) {
  inset: 28% 8% 52% 5%;
  background: linear-gradient(90deg, rgba(159, 207, 120, 0.5), rgba(105, 196, 218, 0.18));
  transform: rotate(-9deg);
}

.brand-ribbon span:nth-child(2) {
  inset: 10% 44% 15% 42%;
  background: linear-gradient(180deg, rgba(105, 196, 218, 0.35), rgba(105, 196, 218, 0.08));
  transform: rotate(23deg);
}

.brand-ribbon span:nth-child(3) {
  inset: 16% 66% 24% 22%;
  background: linear-gradient(180deg, rgba(238, 152, 180, 0.3), rgba(246, 201, 168, 0.1));
  transform: rotate(-16deg);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.hero-signal {
  position: absolute;
  right: clamp(28px, 7vw, 110px);
  bottom: clamp(54px, 8vw, 120px);
  z-index: 3;
  display: grid;
  gap: 10px;
}

.hero-signal span {
  min-width: 210px;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 8px;
  color: #31576a;
  background: rgba(255, 255, 255, 0.58);
  box-shadow: 0 18px 38px rgba(58, 95, 100, 0.12);
  backdrop-filter: blur(18px);
  font-size: 13px;
  font-weight: 900;
}

.eyebrow {
  margin: 0 0 14px;
  color: #287f9a;
  font-size: 14px;
  font-weight: 900;
}

.hero-lead {
  max-width: 690px;
  margin-bottom: 34px;
  color: #4b5d72;
  font-size: 20px;
}

.hero-lead small,
.section-copy small,
.section-heading small,
.product-copy small,
.contact-copy small,
.consumer-tool small {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

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

.care-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  max-width: 700px;
  margin-top: 32px;
  color: #405d6a;
  font-size: 14px;
  font-weight: 800;
}

.care-line span {
  padding: 8px 12px;
  border: 1px solid rgba(34, 112, 142, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px);
}

.care-line i {
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, var(--blue), var(--pink));
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  padding: 22px clamp(20px, 6vw, 96px);
  background: linear-gradient(90deg, rgba(255, 248, 246, 0.96), rgba(239, 250, 247, 0.96));
}

.proof-strip div {
  min-height: 132px;
  padding: 28px clamp(18px, 3vw, 38px);
  border-right: 1px solid rgba(230, 236, 235, 0.86);
  background: rgba(255, 255, 255, 0.34);
}

.proof-strip div:last-child {
  border-right: 0;
}

.proof-strip strong {
  display: block;
  color: #187f9e;
  font-size: 40px;
  line-height: 1;
}

.proof-strip span {
  display: block;
  margin-top: 9px;
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 900;
}

.proof-strip small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

section {
  padding: 104px clamp(20px, 6vw, 96px);
}

.section-band {
  background:
    radial-gradient(circle at 12% 20%, rgba(159, 207, 120, 0.11), transparent 27%),
    linear-gradient(135deg, rgba(253, 255, 252, 0.96), rgba(255, 248, 246, 0.82));
}

.intro,
.product,
.trust,
.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 64px;
  align-items: start;
}

.section-copy p,
.section-heading p,
.product-copy p,
.contact-copy p,
.consumer-tool p {
  color: var(--muted);
  font-size: 18px;
}

.mission-grid,
.solution-grid,
.journey-grid,
.trust-list,
.credential-grid,
.case-grid,
.value-grid {
  display: grid;
  gap: 18px;
}

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

.mission-grid article,
.solution-card,
.journey-grid article,
.trust-list article,
.value-grid article {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(230, 236, 235, 0.86);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.66);
  box-shadow: var(--shadow-close);
  backdrop-filter: blur(12px);
}

.mission-grid article {
  padding: 28px;
}

.mission-grid .care-emblem {
  grid-column: 1 / -1;
  min-height: 220px;
  padding: 34px;
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(24, 127, 163, 0.82), rgba(105, 196, 218, 0.58)),
    radial-gradient(circle at 88% 18%, rgba(255, 255, 255, 0.36), transparent 34%);
}

.care-emblem span {
  color: #ffffff;
  font-size: 54px;
  line-height: 1;
}

.care-emblem p {
  color: rgba(255, 255, 255, 0.78);
}

.mission-grid span,
.tag {
  display: inline-flex;
  margin-bottom: 12px;
  color: #247f9a;
  font-size: 13px;
  font-weight: 900;
}

.mission-grid h3 {
  margin-bottom: 8px;
}

.mission-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.care-values {
  background:
    radial-gradient(circle at 82% 20%, rgba(238, 152, 180, 0.14), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 248, 246, 0.92));
}

.value-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.value-grid article {
  min-height: 242px;
  padding: 30px;
}

.value-grid article::after {
  position: absolute;
  right: -36px;
  bottom: -42px;
  width: 116px;
  height: 116px;
  border-radius: 50%;
  content: "";
  background: rgba(105, 196, 218, 0.1);
}

.value-grid article:nth-child(1)::after {
  background: rgba(159, 207, 120, 0.12);
}

.value-grid article:nth-child(2)::after {
  background: rgba(105, 196, 218, 0.12);
}

.value-grid article:nth-child(3)::after {
  background: rgba(184, 178, 221, 0.12);
}

.value-grid article:nth-child(4)::after {
  background: rgba(238, 152, 180, 0.12);
}

.value-grid span,
.journey-grid span {
  display: block;
  margin-bottom: 24px;
  color: #20829f;
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
}

.value-grid small,
.journey-grid small,
.solution-card small {
  margin-top: 4px;
  color: #417f92;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  opacity: 0.76;
}

.value-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

.section-heading {
  max-width: 930px;
  margin-bottom: 44px;
}

.solutions {
  background: linear-gradient(180deg, #fffdf9, #f8fcfb);
}

.solution-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.solution-card {
  min-height: 360px;
  padding: 34px;
}

.solution-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  content: "";
  background: linear-gradient(90deg, var(--green), var(--blue), var(--pink));
}

.solution-card p,
.solution-card li,
.journey-grid p,
.trust-list p {
  color: var(--muted);
}

.solution-card ul {
  display: grid;
  gap: 8px;
  margin: 22px 0 0;
  padding-left: 20px;
}

.product {
  align-items: center;
}

.product-visual {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(230, 236, 235, 0.88);
  border-radius: 8px;
  background:
    radial-gradient(circle at 48% 42%, rgba(105, 196, 218, 0.12), transparent 52%),
    #ffffff;
  box-shadow: var(--shadow-soft);
}

.product-visual::after {
  position: absolute;
  inset: auto 20px 20px auto;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 8px;
  color: #22506a;
  background: rgba(255, 255, 255, 0.62);
  content: "DWHD-01";
  font-weight: 900;
  backdrop-filter: blur(14px);
}

.product-visual img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(0.94);
}

.product-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 30px;
}

.product-points div {
  min-height: 146px;
  padding: 18px;
  border: 1px solid rgba(230, 236, 235, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.64);
}

.product-points strong {
  display: block;
  margin-bottom: 8px;
  color: #20829f;
  font-size: 20px;
}

.product-points span {
  color: var(--muted);
  font-size: 14px;
}

.product-points small {
  margin-top: 8px;
  color: var(--pink);
  font-size: 12px;
  font-weight: 900;
}

.journey {
  background:
    linear-gradient(90deg, rgba(255, 253, 249, 0.98), rgba(242, 250, 249, 0.98));
}

.journey-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.journey-grid article {
  min-height: 238px;
  padding: 30px;
}

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

.trust-list article {
  min-height: 190px;
  padding: 28px;
}

.credentials {
  background: linear-gradient(180deg, #fffdf9, #ffffff);
}

.credential-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.credential-card {
  overflow: hidden;
  border: 1px solid rgba(230, 236, 235, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-close);
}

.credential-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top center;
  background: #f8fafc;
  border-bottom: 1px solid var(--line);
  filter: saturate(0.82) contrast(0.97);
}

.credential-card div {
  min-height: 132px;
  padding: 18px;
}

.credential-card span {
  display: block;
  margin-bottom: 8px;
  color: #247f9a;
  font-size: 13px;
  font-weight: 900;
}

.credential-card h3 {
  margin-bottom: 0;
  font-size: 18px;
}

.customers {
  padding-top: 88px;
}

.customer-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
}

.customer-cloud span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid rgba(34, 112, 142, 0.14);
  border-radius: 8px;
  color: #40576a;
  background: rgba(255, 255, 255, 0.56);
  font-weight: 800;
}

.case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-grid article {
  overflow: hidden;
  border: 1px solid rgba(230, 236, 235, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-close);
}

.case-grid img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
  border-bottom: 1px solid var(--line);
  filter: saturate(0.86);
}

.case-grid h3 {
  margin: 22px 22px 8px;
}

.case-grid p {
  margin: 0 22px 24px;
  color: var(--muted);
}

.consumer-tool {
  display: flex;
  gap: 28px;
  align-items: center;
  justify-content: space-between;
  background:
    linear-gradient(90deg, rgba(47, 79, 94, 0.86), rgba(34, 135, 160, 0.78)),
    url("assets/jaundice-device-front.jpg") right center / contain no-repeat;
  color: #ffffff;
}

.consumer-tool div {
  max-width: 800px;
}

.consumer-tool .eyebrow,
.consumer-tool p,
.consumer-tool small,
.consumer-tool h2 span {
  color: rgba(255, 255, 255, 0.86);
}

.consumer-tool .primary-button {
  flex: 0 0 auto;
  color: #247f9a;
  background: #ffffff;
}

.contact {
  background:
    radial-gradient(circle at 85% 20%, rgba(105, 196, 218, 0.12), transparent 28%),
    #fffdf9;
}

.contact-panel {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  box-shadow: var(--shadow-soft);
}

.contact-panel div {
  padding: 28px;
  background: linear-gradient(135deg, #ffffff, #fffdf9);
}

.contact-panel span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.contact-panel a,
.contact-panel p {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
  font-weight: 900;
}

.contact-panel small {
  margin-top: 6px;
  color: #247f9a;
}

.medical-note {
  padding-top: 30px;
  padding-bottom: 30px;
  color: #68551a;
  background: #fff7d7;
}

.medical-note p {
  max-width: 1180px;
  margin: 0 auto;
  font-size: 15px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30px clamp(20px, 6vw, 96px);
  color: #ffffff;
  background: #1b2838;
}

.site-footer a {
  color: #c8edf5;
}

@media (max-width: 1100px) {
  .hero-signal,
  .brand-ribbon {
    display: none;
  }
}

@media (max-width: 980px) {
  .desktop-nav {
    display: none;
  }

  .hero {
    min-height: 760px;
  }

  .hero-bg {
    background:
      linear-gradient(180deg, rgba(255, 253, 249, 0.99) 0%, rgba(255, 253, 249, 0.88) 48%, rgba(255, 253, 249, 0.42) 100%),
      url("assets/jaundice-device-hand.jpg") center bottom / cover no-repeat;
  }

  .proof-strip,
  .solution-grid,
  .journey-grid,
  .product-points,
  .trust-list,
  .credential-grid,
  .value-grid,
  .mission-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mission-grid .care-emblem {
    grid-column: 1 / -1;
  }

  .intro,
  .product,
  .trust,
  .contact {
    grid-template-columns: 1fr;
  }

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

  .consumer-tool {
    display: grid;
    background:
      linear-gradient(180deg, rgba(47, 79, 94, 0.9), rgba(34, 135, 160, 0.84)),
      url("assets/jaundice-device-front.jpg") right bottom / 50% auto no-repeat;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 66px;
    padding: 10px 16px;
  }

  .brand img {
    width: 40px;
    height: 40px;
  }

  .brand small {
    display: none;
  }

  .nav-cta {
    min-height: 38px;
    padding: 0 12px;
    font-size: 14px;
  }

  .nav-cta small {
    display: none;
  }

  .hero {
    min-height: calc(100vh - 66px);
    padding: 62px 20px 92px;
  }

  h1 {
    font-size: 38px;
  }

  h1 span,
  h2 span {
    font-size: 0.5em;
  }

  h2 {
    font-size: 30px;
  }

  .hero-lead,
  .section-copy p,
  .section-heading p,
  .product-copy p,
  .contact-copy p,
  .consumer-tool p {
    font-size: 16px;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .care-line i {
    display: none;
  }

  section {
    padding: 70px 20px;
  }

  .proof-strip {
    padding: 0;
  }

  .proof-strip,
  .solution-grid,
  .journey-grid,
  .product-points,
  .trust-list,
  .credential-grid,
  .value-grid,
  .mission-grid {
    grid-template-columns: 1fr;
  }

  .proof-strip div {
    border-right: 0;
    border-bottom: 1px solid rgba(230, 236, 235, 0.86);
  }

  .customer-cloud span {
    width: 100%;
  }

  .product-visual img {
    aspect-ratio: 4 / 3;
  }

  .site-footer {
    display: grid;
    gap: 12px;
  }
}