:root {
  color-scheme: light;
  --ink: #13222f;
  --muted: #5c6f7d;
  --paper: #ffffff;
  --cloud: #f5f9ff;
  --line: rgba(27, 67, 105, 0.14);
  --blue: #1375ff;
  --cyan: #08c8e8;
  --red: #f23f5f;
  --orange: #ff8a34;
  --green: #13b67c;
  --mint: #3fe2c0;
  --gold: #ffc84d;
  --violet: #7b5cff;
  --shadow: 0 24px 70px rgba(24, 58, 90, 0.14);
  --scroll-y: 0px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.62;
  background:
    radial-gradient(circle at 10% 10%, rgba(8, 200, 232, 0.16), transparent 26%),
    radial-gradient(circle at 86% 4%, rgba(255, 200, 77, 0.2), transparent 28%),
    linear-gradient(135deg, #fbfdff 0%, #eef7ff 48%, #fff7f7 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: 0.62;
  background-image:
    linear-gradient(120deg, transparent 0 30px, rgba(19, 117, 255, 0.08) 31px 32px, transparent 33px 96px),
    linear-gradient(60deg, transparent 0 34px, rgba(242, 63, 95, 0.07) 35px 36px, transparent 37px 110px);
  background-size: 260px 260px, 360px 360px;
}

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

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

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 clamp(18px, 5vw, 72px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 34px rgba(32, 70, 104, 0.08);
}

.site-header.light {
  background: rgba(255, 255, 255, 0.86);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  color: #fff;
  background:
    linear-gradient(135deg, var(--blue), var(--violet) 48%, var(--red)),
    #1d5eff;
  box-shadow: 0 12px 28px rgba(19, 117, 255, 0.26);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0;
}

.brand-name {
  display: grid;
  line-height: 1.05;
}

.brand-name strong {
  font-size: 15px;
  font-weight: 950;
  letter-spacing: 0;
}

.brand-name em {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
  color: rgba(19, 34, 47, 0.74);
  font-size: 14px;
  font-weight: 900;
}

.nav-links a {
  position: relative;
  padding: 10px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 5px;
  left: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--red), var(--green));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.hero {
  position: relative;
  min-height: 94svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 124px clamp(22px, 6vw, 86px) 96px;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -4;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: translate3d(0, calc(var(--scroll-y) * 0.12), 0) scale(1.05);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.88) 36%, rgba(255, 255, 255, 0.36) 72%, rgba(255, 255, 255, 0.08)),
    radial-gradient(circle at 18% 28%, rgba(255, 255, 255, 0.86), transparent 34%);
}

.hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 90px;
  z-index: -1;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.96));
}

.hero-body {
  width: min(720px, 100%);
  animation: liftIn 680ms ease both;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  color: #102235;
  font-size: clamp(58px, 10vw, 132px);
  line-height: 0.9;
  letter-spacing: 0;
}

.hero-lead {
  margin-top: 24px;
  color: #102235;
  font-size: clamp(27px, 4vw, 48px);
  font-weight: 950;
  line-height: 1.14;
}

.hero-copy {
  width: min(690px, 100%);
  margin-top: 18px;
  color: #405565;
  font-size: clamp(16px, 1.5vw, 21px);
  font-weight: 650;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 950;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--violet) 48%, var(--red));
  box-shadow: 0 18px 38px rgba(19, 117, 255, 0.26);
}

.button.ghost {
  color: #173249;
  border: 1px solid rgba(19, 117, 255, 0.24);
  background: rgba(255, 255, 255, 0.68);
}

.hero-ribbon {
  position: absolute;
  right: clamp(22px, 6vw, 86px);
  bottom: 42px;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  width: min(520px, calc(100% - 44px));
}

.hero-ribbon span {
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: #173249;
  box-shadow: 0 12px 30px rgba(24, 58, 90, 0.1);
  font-size: 13px;
  font-weight: 900;
  backdrop-filter: blur(14px);
}

.section {
  padding: 94px clamp(22px, 6vw, 86px);
}

.section-head {
  width: min(1180px, 100%);
  margin: 0 auto 38px;
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(320px, 0.76fr);
  gap: clamp(26px, 5vw, 72px);
  align-items: end;
}

.section-head.compact {
  display: block;
  max-width: 880px;
  text-align: center;
}

h2 {
  color: #12263a;
  font-size: clamp(31px, 4vw, 56px);
  line-height: 1.1;
}

h3 {
  color: #132840;
  font-size: 22px;
  line-height: 1.24;
}

.section-head > p,
.detail-main > p,
.tech-copy > p,
.closing-content > p {
  color: var(--muted);
  font-size: 18px;
}

.business-overview {
  background:
    radial-gradient(circle at 12% 22%, rgba(8, 200, 232, 0.14), transparent 24%),
    radial-gradient(circle at 84% 16%, rgba(242, 63, 95, 0.12), transparent 26%),
    #fff;
}

.business-grid {
  width: min(1220px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.business-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease;
}

.business-panel:hover {
  transform: translateY(-6px);
  box-shadow: 0 32px 80px rgba(24, 58, 90, 0.18);
}

.business-panel a {
  display: grid;
  min-height: 100%;
}

.business-panel img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.panel-company {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 999px;
  color: #fff;
  background: rgba(18, 38, 58, 0.48);
  font-size: 12px;
  font-weight: 900;
  backdrop-filter: blur(12px);
}

.panel-content {
  padding: 24px;
}

.panel-index {
  color: var(--panel);
  font-size: 13px;
  font-weight: 950;
}

.panel-content h3 {
  margin-top: 8px;
}

.panel-content p {
  margin-top: 10px;
  color: var(--muted);
}

.text-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--panel);
  font-weight: 950;
}

.tone-blue {
  --panel: var(--blue);
}

.tone-red {
  --panel: var(--red);
}

.tone-green {
  --panel: var(--green);
}

.tech-section {
  background:
    radial-gradient(circle at 20% 20%, rgba(19, 117, 255, 0.18), transparent 28%),
    radial-gradient(circle at 82% 74%, rgba(63, 226, 192, 0.18), transparent 30%),
    linear-gradient(135deg, #f6fbff 0%, #ffffff 44%, #f6fff9 100%);
}

.tech-shell {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(300px, 0.78fr) minmax(380px, 1fr);
  gap: clamp(34px, 6vw, 80px);
  align-items: center;
}

.tech-list {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}

.tech-list article {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.tech-list strong {
  color: #12263a;
  font-size: 18px;
}

.tech-list span {
  color: var(--muted);
}

.tech-visual {
  margin: 0;
}

.tech-visual img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
  transform: translate3d(0, calc((var(--scroll-y) - 1360px) * 0.025), 0);
}

.principles {
  background:
    linear-gradient(180deg, #ffffff, #f6f8ff),
    #fff;
}

.principle-grid {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.principle-item,
.feature-card,
.detail-side,
.workflow-step {
  border: 1px solid rgba(27, 67, 105, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 46px rgba(24, 58, 90, 0.1);
}

.principle-item {
  min-height: 210px;
  padding: 24px;
}

.principle-item span {
  color: var(--blue);
  font-size: 13px;
  font-weight: 950;
}

.principle-item h3,
.principle-item p {
  margin-top: 10px;
}

.principle-item p {
  color: var(--muted);
}

.closing-band {
  color: #fff;
  background:
    linear-gradient(135deg, rgba(19, 117, 255, 0.92), rgba(123, 92, 255, 0.88) 48%, rgba(242, 63, 95, 0.9)),
    #1d5eff;
}

.closing-content {
  width: min(920px, 100%);
  margin: 0 auto;
  text-align: center;
}

.closing-content .eyebrow,
.closing-content h2,
.closing-content p {
  color: #fff;
}

.closing-content p {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.78);
}

.sub-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(360px, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: 78svh;
  padding: 124px clamp(22px, 6vw, 86px) 70px;
  overflow: hidden;
}

.sub-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 10% 18%, rgba(255, 255, 255, 0.8), transparent 30%),
    linear-gradient(135deg, var(--sub-soft), #fff 58%, var(--sub-faint));
}

.sub-hero-copy {
  width: min(620px, 100%);
}

.sub-hero h1 {
  color: #102235;
  font-size: clamp(42px, 6vw, 82px);
  line-height: 1.02;
}

.sub-hero p:not(.eyebrow) {
  margin-top: 20px;
  color: #425969;
  font-size: clamp(17px, 1.5vw, 21px);
  font-weight: 650;
}

.sub-hero img {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.blue-hero {
  --sub-soft: #e8f4ff;
  --sub-faint: #effbff;
}

.red-hero {
  --sub-soft: #fff0f3;
  --sub-faint: #fff7eb;
}

.green-hero {
  --sub-soft: #ebfff7;
  --sub-faint: #f2fffb;
}

.product-detail {
  background: #fff;
}

.detail-layout {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(260px, 0.38fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: start;
}

.detail-main h2 {
  margin-bottom: 18px;
}

.detail-side {
  padding: 24px;
  border-top: 5px solid var(--accent);
}

.detail-side strong {
  display: block;
  color: var(--accent);
  font-size: 18px;
}

.detail-side span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
}

.page-info {
  --accent: var(--blue);
}

.page-media {
  --accent: var(--red);
}

.page-healthcare {
  --accent: var(--green);
}

.feature-section {
  background: #f8fbff;
}

.feature-grid {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

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

.feature-card {
  min-height: 210px;
  padding: 24px;
}

.feature-card h3 {
  color: var(--accent);
}

.feature-card p {
  margin-top: 12px;
  color: var(--muted);
}

.blue-soft {
  background: linear-gradient(135deg, #eef7ff, #ffffff);
}

.red-soft {
  background: linear-gradient(135deg, #fff1f4, #fff9f1);
}

.green-soft {
  background: linear-gradient(135deg, #edfff6, #ffffff);
}

.scenario-list {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.scenario-list span {
  padding: 12px 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 24%, white);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  color: #22394d;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(24, 58, 90, 0.08);
}

.workflow {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
}

.workflow-step {
  min-height: 176px;
  padding: 20px 16px;
}

.workflow-step strong {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--red), var(--orange));
  font-size: 22px;
}

.workflow-step span {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 560ms ease,
    transform 560ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}


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

@media (max-width: 1020px) {
  .business-grid,
  .feature-grid,
  .principle-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .tech-shell,
  .sub-hero,
  .detail-layout {
    grid-template-columns: 1fr;
  }

  .sub-hero {
    padding-top: 112px;
  }

  .section-head {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    height: 64px;
    padding: 0 16px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 12px;
  }

  .brand-name strong {
    font-size: 13px;
  }

  .brand-name em {
    font-size: 11px;
  }

  .nav-links {
    gap: 12px;
    overflow-x: auto;
    max-width: 58vw;
    scrollbar-width: none;
    font-size: 12px;
    white-space: nowrap;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .hero {
    min-height: 88svh;
    padding: 100px 18px 104px;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.88) 50%, rgba(255, 255, 255, 0.36)),
      radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.82), transparent 38%);
  }

  .hero h1 {
    font-size: clamp(45px, 14vw, 62px);
  }

  .hero-lead {
    font-size: 28px;
  }

  .hero-ribbon {
    right: 18px;
    bottom: 24px;
    justify-content: flex-start;
  }

  .hero-ribbon span {
    padding: 8px 11px;
    font-size: 12px;
  }

  .section {
    padding: 70px 18px;
  }

  .business-grid,
  .feature-grid,
  .principle-grid,
  .feature-grid.three {
    grid-template-columns: 1fr;
  }

  .business-panel img {
    aspect-ratio: 16 / 9;
  }

  .panel-content,
  .feature-card,
  .principle-item {
    padding: 20px;
  }

  .tech-list article {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .sub-hero {
    min-height: auto;
    padding: 96px 18px 48px;
  }

  .sub-hero h1 {
    font-size: 42px;
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .hero-bg,
  .tech-visual img {
    transform: none !important;
  }
}